Temperature-Relay TR210
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Article number:
T224071
Manufacturer:
ZIEHL
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The TR210 is used as
- General temperature protection of machines and installations
- Temperature control unit, also for cooling applications
- Difference temperature controller unit for air-conditioning technology
Overview of functions
- 2 Sensor inputs
- Pt 100, Pt 1000, KTY 83 or KTY 84 in 2- or 3-wire configuration
- Thermocouples Type B, E, J, K, L, N, R, S, T
- Input signal DC 0-10 V; DC 0/4-20 mA
- 0.1 °C resolution between –199.9...999.9 °C
- 2 Relay outputs (each 1 change-over contact)
- 1 Analogue output DC 0-10 V or 0/4-20 mA for parameterizing (not potentially separated from the inputs)
- Universal power supply AC/DC 24-240 V
- Several selectable programs
- Storage and indication of the measured MIN- und MAX-values
- pluggable terminals
- Accessory: Front mounting kit type ER4
- Alternative: Temperature relay Type TR640IP
| Product group: | Temperature Measurement |
|---|---|
| Input/ Measured parameter: | Measuring input other temperature sensors, Digital input |
| Design: | Mount in switchgear cabinet, Mount in circuit breaker box |
| Approval: | UL/CSA, EU / UKCA-Declaration of Conformity, UKCA |
| Extras: | 2 sensor inputs, 3 or more sensor inputs, Reclosing lock |
| Applications: | Control for trace heating |
Technical specifications
CAD Data
Certificates
FAQ / Product videos
Accessories
Front Mounting Kit Type ER
Version:
ER4, Housing V4, 4 TE
You found a device in that meets your requirements and you want to install it in a control panel or in the door of a control cabinet?With the installation frame of the ER series, this is possible for all ZIEHL devices in housings V4, V6 and V8 (width 70/105/140 mm).Enclosed by a high-quality frame made of anodized aluminum, all displays can be read outside the control cabinet. Switches, buttons and joystick can be operated.
Cross Selling
Universal-Instrument Type MINIPAN 352P
The Universal-Instrument MINIPAN 352P is a versatile
instrument for industrial applications. It is particularly characterized by its
limit value and control functions, which are realized by two programmable
switching points. These allow it to be used as a limit relay or as a 2- or
3-point controller. The innovative EasyLimit function considerably
simplifies the setting of limit values and at the same time protects other
parameters from unintentional changes.
The device has a wide range of measurement inputs, including
AC measurements with true RMS measurement, which makes it particularly
suitable for precise AC measurements. Both AC and DC current and voltage,
resistances and temperatures can be measured with various sensors. The 4-digit
LED display with 14 mm high digits is freely scalable from -1999 to +9999,
allowing the measured values to be displayed individually.
In addition, the MINIPAN 352P offers an optional analog
output (4-20 mA), which makes it suitable for use as a measuring transducer.
The universal supply voltage of AC/DC 24-240 V increases flexibility in use.
With its compact design and simple programming via three buttons, the device is
ideal for a wide range of measurement tasks in industry.
Application: MINIPAN352P are often installed in heating,
ventilation and air conditioning systems, where they provide a simple and
effective way of keeping temperatures within a certain range.
Level Relay Type NS43V
The NS level monitor is an electronic device for monitoring levels of conductive liquids. The monitoring of the levels is effected vis electrodes, which are dipped or set free according to liquid level. All conductive liquids can be monitored, preferrably, however, water, also of different degree of hardness.To adapt the relay to the conductivity of the liquid and to the capacitance of (long) cables, the switching limit can be adjusted app. 5 kO ... 250 kO. Thus it also is possible to tell between the liquid and foam over the liquid.FunctionThe NS unit protects aggregates and plants against dry running, overflow, leakage damages and unnecessary loss of liquids. It controls and monitors levels of liquids in waste-water, pools, fish farms and whereever a certain level should be maintained or dosed.Depending on the application and the set program, it controls the level between 2 or 3 electrodes by means of opening or closing dose or drain of a container. The top and the lowest electrode protect from overflow or running dry.An electrolytic corrosion of the electrodes as well as detonating gas production is excluded due to a AC current measuring path.The universal supply voltage AC/DC 24-240 V allows to connect the relay to any common mains.The isolation between electronics (= electrodes) and supply voltage avoids malfunctions caused by potential spreading, also at DC-supplys.Monitoring of up to 4 levels4 relays with change-over contacts (co)Sensitivity adjustable 5...250 kOSwitching delay of relays adjustable 0...10 sSwitching-delay of alarms (on/off) adjustable 0...10 sBasic programs (selectable with DIP-switches) for various applicationsUniversal supply voltage AC/DC 24-240 VTerminals pluggableHousing for DIN-rail or wall-mount,mounting height 55 mm, 70 m m wideAccessory: Installation Frame ER6 for panel mount
Pt 100-Temperature Relay Type TR400
The Pt 100 thermostat TR400 is a temperature controller and monitors up to 4 Pt 100 sensors at the same time. 4 switching points and 4 relays permit almost any combination of switching action. It also can select the highest temperature of a group of2, 3 or 4 sensors. The temperatures of two sensors or groups of sensors can be issued to 2 analog outputs i.e. for remote displays or further evaluation. Programming is very variable and simple.Due to the fact that 4 type Pt 100 sensors can be connected, the unit is especially suitable for temperature monitoring wherever up to 4 different measuring points must be monitored simultaneously:motors and generators with simultaneous monitoring of bearings and coolant.transformers with additional monitoring of the core temperature also.power machines and plantsOverview of functionsMeasuring and monitoring range -199 ... +800 °C4 sensor inputs with 2- or 3-wire connection4 relay outputs K1 to K4 with change-over contactSensor Error Relay K7 monitors sensor break or sensor short circuit as well as aninterruption of the power-supply.2 analog outputs, 0/4...20 mA und 0/2...10 V, with individual scaling.Universal power supply AC/DC 24-240 VTerminal for USB-Stick for up- and downloads of sets of parameters and for firmware- updatesAccessory: Installation frame ER8 for panel mountAlternative: Temperature Relay Type TR660IP
Control for suction plants Type STW84V
The basic function of the device is to detect whether a current is flowing in the supply line of one of several woodworking machines. If a current flow is detected, the device opens a valve on the machine's suction channel. At the same time, the extraction system is switched on. When a machine is switched off, the device closes the associated valve with a delay. If the last machine is switched off, the extraction system also stops after a delay.The current relay STW84V monitors up to 8 alternating current sets on current flow yes/no. The inputs can analyse signals of current transformers type STWA1(H) or of potential-free contacts.For controlling of great dedusting plants several relays can be combined.ApplicationsControlling of dedusting plants in the timber and plastic processing industry according to the technical rules for dangerous materials TRGS 553. The central suction is switched on, as soon as any machine is put into operation. According slide-valves in the suction ducts of the individual machines are opened. In addition, cleaning of a filter (vibration) and a cellular wheel/discharge can be controlled, an external cleaning (with pressurized air) can be started or exceeding of max. volume flow can be reported. The analog output 0...10 V can control a frequency-converter at the motor of the ventilator and thus optimize performance and save energy.Monitoring of 8 machines (STWA1(H) or contact)input for "open all slide-valves"8 relays (with change-over contacts) for slide-valves1 relay for control ventilator1 relay for filter-cleaning1 relay for control of cellular wheel/discharge or report exceeding max. volume-flowanalog output for control of frequency-converter and combination of more STW84Vterminals pluggableuniversal supply voltage AC/DC 24-270 V
Temperature-Relay TR210
The TR210 is used asGeneral temperature protection of machines and installationsTemperature control unit, also for cooling applicationsDifference temperature controller unit for air-conditioning technologyOverview of functions2 Sensor inputsPt 100, Pt 1000, KTY 83 or KTY 84 in 2- or 3-wire configurationThermocouples Type B, E, J, K, L, N, R, S, TInput signal DC 0-10 V; DC 0/4-20 mA0.1 °C resolution between –199.9...999.9 °C2 Relay outputs (each 1 change-over contact)1 Analogue output DC 0-10 V or 0/4-20 mA for parameterizing (not potentially separated from the inputs)Universal power supply AC/DC 24-240 VSeveral selectable programsStorage and indication of the measured MIN- und MAX-valuespluggable terminalsAccessory: Front mounting kit type ER4Alternative: Temperature relay Type TR640IP
Level Relay Type NS20
Level-Relays NS 20 for conductive liquids can be used as monitors for 1 Level and for controlling a level between 2 electrodes.3 elektrodes for MIN/MAXcontrol2 elektrodes (E2 open) as level monitorSensitivity adjustable 5 kO…250 kOLED for state of relayFunction of relay reversible (picks up or releases at top electrode)Switching-delay adjustable 0,1…10 sHousing 35 mm wide, mounting height 55 mmUniversal supply-voltage AC/DC 24-240 VApplication level monitorProtection from running dry or overflow, monitoring of pumps for leaks, detection of leaks.Application Min/MaxControlling a level between minimum (elektrode E2) and maximum (E3). As long as E3 is dry, a magnetic valve is opened (or a pump is running) and liquid is influenting. As soon as maximum (E3) is reached, the NS 20 closes the valve. When the level falls below E2, the cycle starts new. In reverse also discharging of a container can be controlled.Overview of functions example filling with 2 electrodesThe detection of the level is made with a DC-free measuring of resistance between all electrodes The common electrode in E 1. A magnetic valve that is switched with relay-contacts 15-18 opens and lets liquid in until the upper electrode E3 is in contact with the liquid. Then the relay releases (15-18 open) and the valve closes. The relay remains released as long as electrode E 2 is in contact with the liquid. When the level falls below E2, the relay picks up (LED Relay on, 15-18 close) and the procedure starts new with opening the valve. Thus thelevel of the liquid is kept between E 1 and E 2.For monitoring one level only or in applications to protect from running dry or overflow or leak detection, only electrodes E1 and E3 are connected.
Temperature-Relay Type TR122D(A)
Switching-Relays Typs TR 122 D(A) monitor the input-signal for 2 limits. The TR 122 DA transduces the measured temperature/resistance to a proportional DC-current. Applications of the TR 122 D(A) are:Monitoring of temperatures with pre-alarm and alarm in machines and plantsControlling of temperatures e.g. for heated sample gas lines or refrigerating plantsTransducer for Pt 100 (RTD) and resistance (TR 122 DA only)Overview of Functions1 input sensor, Pt 100 (RTD) or resistanceMeasuring ranges -199...850°C / 0...850 Resolution 0,1 °C / within the ranges -19,9...99,9 °C / 0-99,9 2 relay outputs (each 1 change-over contact)1 analog output 0/4-20 mA scaleable (TR 122 DA only, not potentially separated from the inputs)Universal power supply AC/DC 24-240 VStorage and display of the measured MIN- and MAX-values
Pt100-Temperature-Sensors Type TF101ZG2
Temperature sensors of the TF101 series are resistance thermometers (RTD sensors) and contain a platinum measuring resistor in accordance with EN 60751 / IEC 60751. It has a high long-term stability and the measurement is accurate over a long period of time with temperature sensors of this type series. The close tolerance of the measuring resistors makes it possible to replace the sensors without having to recalibrate the connected measuring or switching devices while retaining the measuring cable length.Platinum resistance temperature sensor built into steel tube V4A, 1/2 inch, suitable for installation in pipes. Thermal response time T0,9 in the air 255 s, in water 45 s. Connection flat plug 2,8 mm, Gasket IP55, clamping diameter 8-12 mm, cable connecthead max. 100 °CSuitable for transmission in 2- or 3-wire technique.Weight 120 g(Dimensions see Dimension illustrations)
Level Relay Type NS43
The level monitor NS43 regulates the level of liquid in a container between 2 electrodes. In the normal operation the level of the liquid is situated between the electrodes E2 and E3. The relay K2 tightens, if the level E3 is achieved and drops, if E2 is fallen below. Over the output contacts (1 change-over switch) a pump or a valve can be controlled depending upon case of application and so the level be regulated.If the level continues to rise in an incident and if the electrode achieves E4, then a message takes place via relay K3 (drops). In the reverse case (level under E1) the relay K1 drops and protects e.g. a pump against running dry. LEDS signal, which electrodes are moistened.Level monitoring of leading liquidsMIN/MAX level regulationprotection from overflowprotection from running drysensitivity adjustable 5...250 kOLED for level display / alarmApplicationIn the galvanotechnics and everywhere, where the level of a leading liquid must be held on a certain level and at the same time a monitoring on overflow and/or no-load operation is necessary.
Electronic Current-Transformer Type STWA1SEH
The STWA1SEH is used where current flow has to be detected, e.g. to report exceeding of a limit, to switch off a machine or just report the current flow. The STWA1SEH has an integrated electronics with transistor-output. The limit is adjustable 2 - 10 A with a potentiometer. A LED displays the state.adjustable switching point 2-10 Abuilt-in LED displays state of the outputisolated transistor-output max. DC 40 V / 40 mAoutput van be directly connected to a digital input of a PLCintegrated diode for reverse voltage protectionelectrival connection via screwless pluggable terminals2-wire, no supply voltage requiredDIN-rail-mount or with screwsplug-in current transformer (Ø 11 mm)max. overload 100 A continuously, 300 A max. 10 s.
Pt 100-Temperature relays Type TR1200IP
Temperature-relays TR1200IP measure the temperature of up to 12 sensors within 199...+850 °C and provide the data at an ethernet interface for external evaluation. With its universal power-supply AC/DC 24-240 V it can be connected to all common supply-voltages. Actual measured values and stored min- and max-values can be displayed in a normal browser.At the ethernet interface the following protocols are available:Modbus TCPZIEHL RTDIEC61850 (GOOSE) ATTENTION: for part-no. T224078 onlyThe TR1200IP itself does not monitor temperatures for limits. For direct monitoring of temperatures our devices with alarms and output relays are recommended.It is used where temperatures of many sensors Pt100 shall be measured and transmitted via ethernet.Applications are e.g. monitoring of:Motors and generators (windings, bearings, coolant, ambient temperature)Transformers (windings, core, ambient temperature)Maschines, plants and equipmentSensors and displays:12 inputs for sensors Pt 100 (RTD)Connection in 2- or 3-wireunneeded inputs can be switched offMonitoring of sensors for short-circuit an interrupt3-digit-display for temperatureLEDs for assigning the measured value, error, state of relay and interfaceInterface:10 MBit/s Ethernetsupports IEC 61850 GOOSEProtocol ZIEHL-standard RTD or Modbus TCPProtocol details see www.ziehl.de - operating manuals
Electronic Current-Transducer Type STWA1FH
The STWA1FH provides a frequency output with 0.5...20 Hz which corresponds to a current flow of AC 0 - 20 A through the transformer. Multiple loops of the conductor through the transformer reduce the current range correspondingly (e.g. with fourfold looping-through 0 - 5 A correspond to 0.5...20 Hz).For the monitoring of high currents, the STWA1FH is simply looped in the secondary circuit of a large current transformer. Consequently, the frequency output is proportional to the primary current of the transformer, e.g. 0 - 100 A for a transformer with 100/5 A (cable four times through the STWA1F).The offset of 0.5 Hz at the beginning of the transducing range is for technical reasons. During evaluation, it can be taken into account.Application: The STWA1FH enables moderately priced detection of the value of an AC-current with a DIGITAL INPUT of a PLC. Costly analogue inputs are no longer necessary.The STWA1FH is particularly suitable to evaluate the current in electric motors in machines of i.e. saws. The feed can be regulated dependent from the load of the motor of the saw. Overview of Functionscurrent-proportional frequency output 0.5 - 20 Hz = AC 0 - 20 Aoutput isolated, max DC 30 V/30 mAoutput frequency limited to 30 Hzoutput can be connected to the digital input of a PLCincorporated reverse voltage protection diodeelectrical connection via screwless pluggable terminalssupply voltage DC 10...30 VDIN-rail-mount or with screwsplug-in current transformer (Ø 11 mm)option: currents up to 60 A, other frequencies
Filling level probe Type NS6123-6
Economy-priced probe with integrated measuring transducer for measuring filling level e.g. in tanks, cisterns or waters. Connection to ZIEHL-Web-Relay TR800WEB for monitoring and logging of filling levels. Alarms by emails when levels are reached, e.g. before tank is empty. Monitoring and display of levels with Digital Panelmeters MINIPAN 352 or other devices with input 4-20 mA. The probe for relative pressure is submersible. It is placed at the bottom of the tank and determines the level by measuring the hydrostatic pressure. The result is transmitted via signal 4-20 mA (2 wire). The cable (PUR) includes a pressure compensation capillary that compensates fluctioation of atmospheric pressure.Applications:Gasoil, diesel, used oilengine oil and lube oil (fresh)Rainwater in cisterns, basins and water levels in general
Pt 100-Temperature relay Type TR600 RS485/ analog
The Pt 100 thermostat TR600 is a temperature controller and monitors up to six Pt 100 sensors at the same time. Six switching points and six relays permit almost any combination of switching action. It also can select the highest temperature of a group of three or six sensors. The temperatures of two sensors or groups of sensors can be issued to 2 analog outputs i.e. for remote displays or further evaluation. Programming is very variable and simple.Due to the fact that 6 type Pt 100 sensors can be connected, the unit is especially suitable for temperature monitoring wherever up to 6 different measuring points must be monitored simultaneously:motors and generators with simultaneous monitoring of bearings and coolant.transformers with additional monitoring of the core temperature also.power machines and plantsApprovalUL E377414 Process Control Equipment, Electrical - ComponentOverview of functionsMeasuring and monitoring range -199 ... +800 °C6 sensor inputs with 2- or 3-wire connection7 relay outputs with change-over contactAlarm 1 … 6 relay K1 (11/12/14) ... K6 (61/62/64)Sensor Error Relay K7 (71/72/74) monitors sensor break or sensor short circuit.2 analog outputs, 0/4...20 mA and 0/2...10 V, with individual scaling.Universal power supply. 2 ranges AC/DC 24-60V or AC/DC 90-240 VUniversal power supply AC/DC 24-240 VTerminal for USB-Stick for up- and downloads of sets of parameters and for firmware-updatesAccessory: Installation frame ER8 for panel mountAlternative: Temperature Relay Type TR660IP
Current-Relay type STW20V
The current relay STW20V monitors the current in up to 3 lines with current transformers STWA 1 (AND circuit). If there is a current in all 3 monitored lines, the relay (2 change-over contacts) picks up. If there is no current in at least one of the lines, the relay releases.The relay works in closed circuit current. When voltage is applied to the STW, the relay signals an alarm until the it has picked up. This can be avoided if the device is constantly alive and monitoring is started by closing a contact at the Enable input. With a bridge at the Enable input, monitoring is automatically started when voltage is applied.3 inputs (transformer STWA1)3 x current-sensor S1 (powersupply required)AND-evaluationoutput relay 2 COswitching point app. AC 1 AEnable-inputstorage of alarms or Auto-ResetLEDs power on and alarm housing V4 for mounting on DIN-rail or wall-mountApplicationsIdentifies power failure with 1- or 3-phase electrical consumers, e.g. with monitoring of heating elements or heating installations where a constant heating has to be guaranteed.A further application is the identification of phase failure, monitoring of fuses, or triggering of operating hours counters.
Tip
Control for extraction systems via bus Type STW164IP
The basic function of the device is to detect whether a current is flowing in the supply line of one of several woodworking machines. If a current flow is detected, the device opens a valve on the machine's suction channel. At the same time, the extraction system is switched on. When a machine is switched off, the device closes the associated valve with a delay. If the last machine is switched off, the extraction system also stops after a delay.Control for extraction systems with connection slide valve via bus, control of up to 32 sliders via bus lineApplication:The STW164IP serves as a central control unit. It detects the operating status of the machines by measuring their current consumption in the supply lines (current transformer STWA1(H) ) or via potential-free contacts. It switches on the central extraction system and opens the shutters on the ducts to the individual machines. 8-fold shutter modules are used to control the shutters. These can be mounted next to the STW164IP or distributed throughout the system. The latter reduces the amount of wiring required.Additional shutters can be opened to optimize the air flow. They can be assigned to different lines and prioritized. It is also possible to control cleaning and discharge.Parameterization is conveniently carried out via the network (Ethernet). If the control system is connected to the Internet, it can also be parameterized remotely.Recording the operating hours of the machines and the switching frequency of the valves provides valuable services for preventive maintenance. This means that components can be replaced during a service call before they age and fail.Accessory: Front Mounting Kit type ER8 for mounting in control panels or doors
Electronic Current-Transformer Type STWA1SH
The STWA1SH is used where current flow has to be detected, with the exact value of the current either known from the power consumption of the connected consumer or does not matter for the evaluation.The STWA1SH has an integrated electronics with transistor-output. isolated transistor-output max. DC 40 V / 40 mAoutput van be directly connected to a digital input of a PLCintegrated diode for reverse voltage protectionelectrical connection via screwless pluggable terminals2- wire, no supply voltage requiredDIN-rail-mount or with screwsplug-in current transformer (Ø 11 mm)max. overload 100 A continuously, 300 A max. 10 s
Temperature Relay Type TR660IP
Temperature Relays TR660IP monitor up to 6 sensors for up to 7 limits. Different sensors can be connected at the same time, e.g. Pt 100 (RTD) and PTC thermistors. Typical applications are monitoring of motors, generators or transformers. An other application is the use as a two or more step controller with additional monitoring of over- or undertemperature or monitoring of differences in temperatures of 2 sensors.Preset programs allow easy setting e.g. monitoring of transformers with/without monitoring of temperature of core or with/without controlling a ventilator.If the evaluation "2 out of x" is activated with several connected sensors, an alarm is only triggered when the limit value is exceeded in 2 sensors. This prevents false alarms due to a fault in one sensor. Operation can be made at the device or with a standard browser via Ethernet.6 inputs for sensors Pt 100, Pt 1000 and PTC, mixed sensors possible7 alarms / relay outputsalarm 2 of x = alarm only when limit is exceeded in min. 2 sensorsmonitoring of difference of temperaturesmonitoring of rate of change of temperaturelogging of temperatures and historypreset programs for protection of motors, transformers and moreinterface ethernet TCP/IP, values available via modbus TCPprogramming with browser via TCP/IP or with joystick at devicecoloured LED display for clear display of temperatures and states of alarmsuniversal power supply AC/DC 24-270 VAccessory: Installation frame ER8 for panel mountTR660IP RS485: interface RS485 (modbus RTU)TR660IP analog: 4 analog outputs 2x 0/4 - 20 mA and 2x 0/2 - 10 V, isolated from sensor inputs, individually programmable.
Electronic Current-Transducer Type STWA2AH
The STWA2 AH is a current-transducer for AC currents 0...20/100 A. With the STWA 2 AH the value of a current can be evaluated very economically and space-saving. The output-signal 4...20 mA can be evaluated or displayed with components with analog inputs, e.g. PLCs or ZIEHL digital displays type MINIPAN ®.Overview of Functionscurrent-proportional analog output DC 4...20 mA according to AC-measuring rangemeasuring range (20/100 A) can be changed with bridgeinsulated analog outputsupply DC 9-30 V (via 4-20 mA-loop)electrical connection via screwless pluggable terminalsDIN-rail-mount or with screwsplug-in current transformer (Ø 11 mm)
Universal-Relay Type TR800Web
Discontinued model - remaining stock available: Please contact our sales department: +49 791 504-103, sales@ziehl.deNEW: Universal Relay Type UR840IPView the numerous improvements and new functions, including:A revised web interface for more user-friendly operationVirtual sensors for linking measured values (difference, MIN/MAX)Two analogue outputs 0/2-10 V / 0/4-20 mA, parameterizable (optionally instead of RS485Expandable with our URB40Modbus TCP via RJ45 (network connection) The TR800Web can be connected to the internet or an intranet and operated via TCP/IP from a normal PC with a suitable browser. No special software and no special instruction is necessary. The Universal-Relay TR800Web monitors and logs signals from up to 8 inputs. Up to 8 limits (one per input) can be programmed for each of the 4 output-relays. Thus e.g. alarm 1 can be activated when the temperature at a sensor (e.g. Pt100) at input 1 exceeds a limit or when the signal of a transmitter for pressure (e.g. 4-20 mA) at input 5 falls below a limit. It can also send an email when a limit is exceeded and/or when the signals falls short of the limit again. A day/night switchover allows to vary limits depending on daytime. In addition the device has an interface RS485 with the protocols Modbus and ZIEHL-standard.Accessory: Installation frame ER8 for panel mountApplicationsThe TR800Web is used where one or more of the following features a required:measuring of up to 8 analog signals and transmit the data via TCP/IPreading of measured values and teleservice via internet/intranetsignalling of alarms via email when limits are exceededmonitoring of filling level (water, gasoil) with ZIEHL filling level probe NS6123-6logging of measured values and remote inquiry e.g. for monitoring temperatures at engines and in plants
Tip
Temperature Relay Type TR640IP
Temperature Relays TR640IP monitor up to 6 sensors for up to 4 limits. Different sensors can be connected at the same time, e.g. Pt 100 (RTD) and PTC thermistors. Typical applications are monitoring of motors, generators or transformers. An other application is the use as a two or more step controller with additional monitoring of over- or undertemperature or monitoring of differences in temperatures of 2 sensors.Preset programs allow easy setting e.g. monitoring of transformers with/without monitoring of temperature of core or with/without controlling a ventilator.If evaluation "2 out of x" is activated with several connected sensors, an alarm is only triggered when the limit value is exceeded in 2 sensors. This prevents false alarms due to a fault in one sensor. Operation can be made at the device or with a standard browser via Ethernet.6 inputs for sensors Pt 100, Pt 1000 and PTC, mixed sensors possible4 alarms / relay outputsalarm 2 of x = alarm only when limit is exceeded in min. 2 sensorsmonitoring of difference of temperaturesmonitoring of rate of change of temperaturelogging of temperatures and historypreset programs for protection of motors, transformers and moreinterface ethernet TCP/IP, values available via modbus TCPprogramming with browser via TCP/IP or with joystick at devicecoloured LED display for clear display of temperatures and states of alarmsuniversal power supply AC/DC 24-270 VAccessory: Installation frame ER6 for panel mount
Temperature-Relay Type TR250
The Pt100 thermostat TR250 monitors up to 3 sensors Pt100 (RTD), Pt1000, KTY83 KTY84 or thermistors (PTC) at the same time. Different types of sensors, e.g. Pt 100 and PTC can be monitored simultaneously.The unit is especially suitable for monitoring motors, generators and transformers.An other application is the use as a 2- or 3-step-controller with additional monitoring of over- or under-temperature. monitoring of differences in temperatures of 2 sensors or temperature controller for heat pumps. FunctionMeasuring an dmonitoring range -199...+850 °CResolution 0.1 °C for measuring range –19.9...99.9 selectable3 relay-outputs K1 to K3 with change-over-contactsUniversal power-supply AC/DC 24-240 VEasy settingStoring of values of MIN- and MAX temperatureAlarm counter for 3x99 alarms with display of sensor and elapsed timeCode-lock against manipulation of settingsReplacement for Elbag/Joppich TS-023 Sensor inputs: Pt 100 (RTD) or Pt 1000, 2- or 3-wire-connection, KTY83, KTY84Thermistors (PTC) each 1...6 in seriesMonitoring of short-circuit and breakDisplays:3 digit 7 segment display for temperature and programming3 LEDs for sensors, for alarms/relaysdisplay °C or °F selectable, resolution 0.1 °CSwitching functions:3 relayswarmest/coldest sensor switches relay3 LEDs for alarm/relayprogrammable for every relay:hysteresisautoreset or electronic reclosing lockdelay time for switching and switching backoperating- or closed current-modecyclic check of functionmonitoring of difference in temperature6 preset programs:Motor /generator 3x Pt 100transformer with 3x Pt 100transformer with 2x PTC and 1x Pt 100transformer with 2x PTC / 3x PTC3 x 1 alarm per sensorAccessory: Front mounting kit type ER4Alternative: Temperature relay Type TR640IP
Passendes Zubehör
Pt100-Temperature-Sensors Type TF101R
TF101 temperature sensors use EN 60751/IEC 60751 platinum resistance temperature detectors (RTD). For precise temperature measurement the Platinum Resistance Thermometer offers the best overall advantages in repeatability and stability over a long period. High accuracy allows replacement of a sensor without any need for re-adjust of the connected measuring devices or thermostats. TF101 temperature sensors are available in different designs.Sensor for measuring ambient temperatures inside or outside. Protection class IP 54. Cabling can be connected in 2- or 3- wire technique.
Compact current transformer CTM7
The compact current transformer is especially suitable for use in tight space conditions. With its primary 64 A it matches perfectly the 63 A with which domestic connections are usually fused.The secondary 1 A are connected to EFR. The inputs of the EFR are preset for primary currents 60 A, changing is simple. A clip for mounting on DIN-rail is included. The transformers can be clicked together for saving space. For EFR three current transformers are required.
Current Transformer Type STWA1
The STWA1 current transformer is made to match the STW current monitor. One current transformer is required for each line being monitored. The STWA1 consists of a climate-proven sealed-in coil with toroidal tape core. The connection cables are permanently fixed to the transformer and are 1 m in length. The level of the current to be monitored is limited to 100 A continously, 300 A for max. 10s.In case of current of more than approx. 5 A, an LED can be triggered directly via the STWA 1 current transformer. Thus it's easy for users to visually monitor the current conduction in a line. The LED is protected by an anti-parallel diode or by its connection in series. A protective resistor is necessary depending on the LED used or the level of current being monitored.Weight: approx. 43 g
Electrode Type NE2
The electrode NE2 with its ½" thread can directly be screwed into the wall of a tank. The two electrodes (stainless steel V4A) are flush cast in a plastic housing (Polypropylen, PP) with cast resin. The electrode can be used in a temperature-range -5…+60 °C and is pressure-resistant up to 6 bar. The ingrained cable with 2 strands, each 0,25 mm2, is 2000 mm long, Ø 4 mm. For one level only one NE2 is sufficient. For use with a level-monitor for more levels, normally one NE2 per level is required.
MS-Tester
Normal PTC-resistor relays can be tested by simply disconnecting the sensor. PTC-resistor relays with monitoring of sensor short-circuit and break need more sophisticated test-equipment.With help of the ZIEHL MS-Tester also these relays can be easily tested for correct function. The included cable is designed for the connection of relays type MSF 220 V(U). Also any other PTC-resistor relay can be connected to the MS-Tester.Testdisconnect the PTC-resistor relayconnect the MS-Tester (T/0, T/1 and/or T/3) to the sensor inputsswitch on the relayincrease the resistance with the potentiometer (turn slowly) until the appropriate Alarm switchesreduce the resistance until the relay switches back (or a LED signals, that it is ready to switch back)if necessary, the values of the switching points can be measured at the terminals T/0, T/1, T/2 after disconnecting the relay. Typical values are 3000 O ... 4000 O for tripping and >1500 O for switching back.test break with push-button (only at relays with monitoring of sensor/line-break)test short circuit with push-button (only at relays with monitoring of sensor/lineshort-circuit)ATTENTION: At relay MSF 220 V(U), break or short-circuit in any sensor will result in an error message = ALARM 1. The LED "sensor" lights and the LED of the appropriate alarm blinks.HINT: cold PTCs have a resistance of 20...250 O, typical 50...120 O per sensor.
Temperature-Relay TR210
The TR210 is used asGeneral temperature protection of machines and installationsTemperature control unit, also for cooling applicationsDifference temperature controller unit for air-conditioning technologyOverview of functions2 Sensor inputsPt 100, Pt 1000, KTY 83 or KTY 84 in 2- or 3-wire configurationThermocouples Type B, E, J, K, L, N, R, S, TInput signal DC 0-10 V; DC 0/4-20 mA0.1 °C resolution between –199.9...999.9 °C2 Relay outputs (each 1 change-over contact)1 Analogue output DC 0-10 V or 0/4-20 mA for parameterizing (not potentially separated from the inputs)Universal power supply AC/DC 24-240 VSeveral selectable programsStorage and indication of the measured MIN- und MAX-valuespluggable terminalsAccessory: Front mounting kit type ER4Alternative: Temperature relay Type TR640IP
Front Mounting Kit Type ER
You found a device in that meets your requirements and you want to install it in a control panel or in the door of a control cabinet?With the installation frame of the ER series, this is possible for all ZIEHL devices in housings V4, V6 and V8 (width 70/105/140 mm).Enclosed by a high-quality frame made of anodized aluminum, all displays can be read outside the control cabinet. Switches, buttons and joystick can be operated.
Electronic Current-Transducer Type STWA1AH
The STWA1AH is a current-transducer for AC currents 0...15 A. With the STWA1AH the value of a current can be evaluated very economically and space-saving.The output-signal 0...20 mA can be evaluated or displayed with components with analog inputs, e.g. PLCs or ZIEHL TR 210, STW 1000 V2 or MINIPAN®.For currents 0...20 A and 0....100 A, please choose our Electronic Current-Transducer Type STWA2AHcurrent-proportional analog output DC 0...20 mA = AC 0...15 A (insulated)electrical connection via screw less pluggable terminalsno supply voltage requiredDIN-rail-mount or with screwsplug-in current transformer (Ø 11 mm)max. overload 100 A continuously, 300 A max. 10 s
Pt100-Temperature-Sensors Type TF101ZG2
Temperature sensors of the TF101 series are resistance thermometers (RTD sensors) and contain a platinum measuring resistor in accordance with EN 60751 / IEC 60751. It has a high long-term stability and the measurement is accurate over a long period of time with temperature sensors of this type series. The close tolerance of the measuring resistors makes it possible to replace the sensors without having to recalibrate the connected measuring or switching devices while retaining the measuring cable length.Platinum resistance temperature sensor built into steel tube V4A, 1/2 inch, suitable for installation in pipes. Thermal response time T0,9 in the air 255 s, in water 45 s. Connection flat plug 2,8 mm, Gasket IP55, clamping diameter 8-12 mm, cable connecthead max. 100 °CSuitable for transmission in 2- or 3-wire technique.Weight 120 g(Dimensions see Dimension illustrations)
Current-Transformer Type STWA1H
The STWA1H current transformer is made to match the current-relays for recognition of AC-current and for controls for deducting plants type STW. Above app. 2 A the built-in LED lights and indicates a current. A current-relay type STW or a LED can be connected to the terminals.The STWA1H has been designed for mounting in a switchgear cabinet. The housing can be fixed on a DIN-rail or with 2 screws. The maximum diameter of the monitored line is 11 mm. The current is only limited by the diameter that can be lead through the transformer. The electrical connection is made via screwless pluggable terminals.connection to current-relays type STWindication with LED from app. 2 Aindication of shortest current-pulsesBuilt-in resistor to protect LEDno supply-voltage requiredelectrical connection via screwless pluggable terminalsplug-in current transformer (Ø 11 mm)
Electrode Type NE1
The NS level monitor is an electronical device for monitoring Liquid levels. They can be used as limit monitor or minimal-maximal control. The monitoring of liquid levels is effected via electrodes.ApplicationThe NS units protect aggregates and plants against dry running, overflow, leakage damages and unnecessary lost of liquids. Characteristical applications are swimming pools, groundwater endangered buildings, oilfilled under-water-pumps as well as whereever a certain level should be maintained resp. dosed.FunctionThe level capture is effected through resistance measurement via an AC voltage measuring path, operating completely DC voltage-free. Hereby, the resistance between two (resp. three) electrodes is measured. When the level increases, the electrodes are bridged and an integrated relay switches.The level monitor operates as conductivity measuring device and guarantees a perfect level capture at a resistance of up to 250 kO, measured between the electrodes. ZIEHL level monitors are also available with adjustable time delay in order to avoid a too high relay switching frequency in case of a moving water surface. As electrodes any conductors, that jut into the tank down to the required level, can be used. At metal tanks the wall of the tank can be used as basic electrode.Electrode NE1Insulated screw-in electrodes for mounting in walls of tanks. The electrodes are made of stainless steel (V2A), the insulation material is Teflon.
Pt 100-Temperature relays Type TR111V
Temperature-Relays TR111V can be used as limit-switches or 2-point controllers with high repeat accuracy. 3 measuring-ranges, adjustable hysteresis and switching delay and the choice between operating- and closed-current principle of the relay make it a very universal device. Application: Protection from over-temperature in processes, plants and machines. Monitoring of temperatures in bearings. Controlling of temperatures in processes and plants.Overview of FunctionsMeasuring input 1x Pt 100 (RTD)/ 3-wireMeasuring ranges selectable:– -10...+40/ 0...100/ 0...200 °C– 0...100/ 0...200/ 200...300/ 300...400 °C1 limit adjustable 0...100 %switching delay adjustable 0,1...10 sOutput-relay 1 changeover-contact (co)Operating- or closed-current-mode selectable with bridgeSwitching off at sensor-shortcircuit or breakLEDs for display state of relayHousing for mounting in switchgear cabinets or fuseboxes, 35 mm wideMounting heigt 55 mmUniversal supply-voltage AC/DC 24-240 V
Pt100-Temperature-Sensors Type TF101G3
TF101 temperature sensors use EN 60751/IEC 60751 platinum resistance temperature detectors (RTD). For precise temperature measurement the Platinum Resistance Thermometer offers the best overall advantages in repeatability and stability over a long period. High accuracy allows replacement of a sensor without any need for re-adjust of the connected measuring devices or thermostats. TF101 temperature sensors are available in different designs.Platinum resistance temperature sensor on ceramic substrate built into a M6 brass threaded bush, especially suitable for being screwed into metal, e.g. for monitoring temperature of heat sinks or heating plates. Please note that there will be a measuring error due to the design, as the sensor can loose heat via the connection strand. Cable length: 2000 mmWeight: 21 g.(Dimensions see Dimension illustrations)
Temperature-Relay Type TR122D(A)
Switching-Relays Typs TR 122 D(A) monitor the input-signal for 2 limits. The TR 122 DA transduces the measured temperature/resistance to a proportional DC-current. Applications of the TR 122 D(A) are:Monitoring of temperatures with pre-alarm and alarm in machines and plantsControlling of temperatures e.g. for heated sample gas lines or refrigerating plantsTransducer for Pt 100 (RTD) and resistance (TR 122 DA only)Overview of Functions1 input sensor, Pt 100 (RTD) or resistanceMeasuring ranges -199...850°C / 0...850 Resolution 0,1 °C / within the ranges -19,9...99,9 °C / 0-99,9 2 relay outputs (each 1 change-over contact)1 analog output 0/4-20 mA scaleable (TR 122 DA only, not potentially separated from the inputs)Universal power supply AC/DC 24-240 VStorage and display of the measured MIN- and MAX-values
Current-Sensor Type S1
Recording of welding currents (mounting at ground wire) for controlling dedusting plants in combination with ZIEHL-controls type STW. Recording the state of a consumer of electricity (on or off or defective).In general the current-sensor S1 is used where the current-flow is to be detected, with the exact value of the current either known from the power consumption of the connected consumer or does not matter for the evaluation.For evaluation of measuring data in more than 1 cable, these outputs of several current-sensors can be connected in parallel (OR-evaluation).switching point app. 5 A (option: adjustable 5-30 A)monitoring of AC and DC currentsLED for current flowmounting without disconnection of cable possible2 transistor-outputs, switching + and -, direct connection to a PLC possibleconnection to current-relays ZIEHL type STWrobust, sealed executionoverload capacity: unlimited
Filling level probe Type NS6123-6
Economy-priced probe with integrated measuring transducer for measuring filling level e.g. in tanks, cisterns or waters. Connection to ZIEHL-Web-Relay TR800WEB for monitoring and logging of filling levels. Alarms by emails when levels are reached, e.g. before tank is empty. Monitoring and display of levels with Digital Panelmeters MINIPAN 352 or other devices with input 4-20 mA. The probe for relative pressure is submersible. It is placed at the bottom of the tank and determines the level by measuring the hydrostatic pressure. The result is transmitted via signal 4-20 mA (2 wire). The cable (PUR) includes a pressure compensation capillary that compensates fluctioation of atmospheric pressure.Applications:Gasoil, diesel, used oilengine oil and lube oil (fresh)Rainwater in cisterns, basins and water levels in general
Trafoschutzrelais Trafosafe Type TS1000
The Trafosafe TS1000 is applied at transformers with forced cooling. It monitors the temperature of the transformer with 3 sensor-circuits (PTC-thermistors), controls the forced cooling depending on the load of the transformer, reports exceeding of alarm-temperature and switches off the transformer (trip) when increasing of the temperature continues.Up to 6 fans can be controlled and monitored directly with the TS1000. Contactors and motor protection switches are not necessary any more.At Pt 100-monitored transformers the TS1000 can be used to control only the fans. Temperature-Monitoring1 PTC-circuit for controlling the cooling (1T1/1T2) = input for starting fan when using as fan-control only2 x 1 PTC-circuit for alarm 1 (2T1/2T2) and alarm 2/trip (3T1/3T2), monitored for short-circuit and interruptionAlarm1 (K2) in closed-circuit current mode = monitoring of functionAlarm 2/trip (K3) in open-circuit current mode = no signal/tripping when switching on the deviceTest-/Reset-button for testing the functionFan-Control and Monitoring of fandirect connection of up to 6 fans 0.07...4.0 Aautomatic exceeding of the on-time of the fans at high load of the transformerMonitoring of failure fan (over-/undercurrent)Self-calibration of the monitored values of the currents to the fansSwitching-point for current-failure adjustable ± 5-40%automatic test of fans 1-30 days, disconnectableRelay for reporting fan-failureClear displays with LEDsGeneralUniversal Power Supply AC/DC 24-240 Vcompact housing for cabinet-mount, 140 mm wide, mounting heigt 55 mmAttachment on 35 mm standard rail or with 3 screws M4
Universal-Relay Type TR800Web
Discontinued model - remaining stock available: Please contact our sales department: +49 791 504-103, sales@ziehl.deNEW: Universal Relay Type UR840IPView the numerous improvements and new functions, including:A revised web interface for more user-friendly operationVirtual sensors for linking measured values (difference, MIN/MAX)Two analogue outputs 0/2-10 V / 0/4-20 mA, parameterizable (optionally instead of RS485Expandable with our URB40Modbus TCP via RJ45 (network connection) The TR800Web can be connected to the internet or an intranet and operated via TCP/IP from a normal PC with a suitable browser. No special software and no special instruction is necessary. The Universal-Relay TR800Web monitors and logs signals from up to 8 inputs. Up to 8 limits (one per input) can be programmed for each of the 4 output-relays. Thus e.g. alarm 1 can be activated when the temperature at a sensor (e.g. Pt100) at input 1 exceeds a limit or when the signal of a transmitter for pressure (e.g. 4-20 mA) at input 5 falls below a limit. It can also send an email when a limit is exceeded and/or when the signals falls short of the limit again. A day/night switchover allows to vary limits depending on daytime. In addition the device has an interface RS485 with the protocols Modbus and ZIEHL-standard.Accessory: Installation frame ER8 for panel mountApplicationsThe TR800Web is used where one or more of the following features a required:measuring of up to 8 analog signals and transmit the data via TCP/IPreading of measured values and teleservice via internet/intranetsignalling of alarms via email when limits are exceededmonitoring of filling level (water, gasoil) with ZIEHL filling level probe NS6123-6logging of measured values and remote inquiry e.g. for monitoring temperatures at engines and in plants
Transformer Protection Temperature Relay Type TR440
Temperature relay to protect transformers against excess temperature and to control a fan.The temperatures in the windings are monitored with three Pt 100 sensors. The core temperature can be monitored with a fourth sensor.The 4 alarms/output relays are used to control the fan, to signal an advance warning and to switch-off the transformer. Various programs facilitate using the alarm ideally for each application. Depending on the program, e.g. an extra relay is available for the fault message or for triggering due to exceeding the maximum core temperature.Other usesAlternatively, with the fourth sensor the temperature of the room the transformer is located in can be monitored and, with the alarm, the room ventilation can be controlled. The device can also be used for other tasks for temperature monitoringe.g., for motors.Overview of the functions4 Sensor inputs Pt 100 (RTD), 2 or 3-wire connectionLarge monitoring range -199…+850°C / -199...+999°F4 Alarms / Relays3-digit digital display (resolution 1°C / 1°F)4 LEDs sensor4 LEDs relay4 LEDs alarm1 LED errorControl voltage AC/DC 24-240 VClear displays and simple programmingMin and max sensor values can be savedCode lock against unintended / unauthorised changes to the settingsOptional RS 485 interface with Modbus RTU protocolEasySimulation for simple sensor value simulation
Temperature-Relay Type TR250
The Pt100 thermostat TR250 monitors up to 3 sensors Pt100 (RTD), Pt1000, KTY83 KTY84 or thermistors (PTC) at the same time. Different types of sensors, e.g. Pt 100 and PTC can be monitored simultaneously.The unit is especially suitable for monitoring motors, generators and transformers.An other application is the use as a 2- or 3-step-controller with additional monitoring of over- or under-temperature. monitoring of differences in temperatures of 2 sensors or temperature controller for heat pumps. FunctionMeasuring an dmonitoring range -199...+850 °CResolution 0.1 °C for measuring range –19.9...99.9 selectable3 relay-outputs K1 to K3 with change-over-contactsUniversal power-supply AC/DC 24-240 VEasy settingStoring of values of MIN- and MAX temperatureAlarm counter for 3x99 alarms with display of sensor and elapsed timeCode-lock against manipulation of settingsReplacement for Elbag/Joppich TS-023 Sensor inputs: Pt 100 (RTD) or Pt 1000, 2- or 3-wire-connection, KTY83, KTY84Thermistors (PTC) each 1...6 in seriesMonitoring of short-circuit and breakDisplays:3 digit 7 segment display for temperature and programming3 LEDs for sensors, for alarms/relaysdisplay °C or °F selectable, resolution 0.1 °CSwitching functions:3 relayswarmest/coldest sensor switches relay3 LEDs for alarm/relayprogrammable for every relay:hysteresisautoreset or electronic reclosing lockdelay time for switching and switching backoperating- or closed current-modecyclic check of functionmonitoring of difference in temperature6 preset programs:Motor /generator 3x Pt 100transformer with 3x Pt 100transformer with 2x PTC and 1x Pt 100transformer with 2x PTC / 3x PTC3 x 1 alarm per sensorAccessory: Front mounting kit type ER4Alternative: Temperature relay Type TR640IP
Pt 100-Temperature relay Type TR600 RS485/ analog
The Pt 100 thermostat TR600 is a temperature controller and monitors up to six Pt 100 sensors at the same time. Six switching points and six relays permit almost any combination of switching action. It also can select the highest temperature of a group of three or six sensors. The temperatures of two sensors or groups of sensors can be issued to 2 analog outputs i.e. for remote displays or further evaluation. Programming is very variable and simple.Due to the fact that 6 type Pt 100 sensors can be connected, the unit is especially suitable for temperature monitoring wherever up to 6 different measuring points must be monitored simultaneously:motors and generators with simultaneous monitoring of bearings and coolant.transformers with additional monitoring of the core temperature also.power machines and plantsApprovalUL E377414 Process Control Equipment, Electrical - ComponentOverview of functionsMeasuring and monitoring range -199 ... +800 °C6 sensor inputs with 2- or 3-wire connection7 relay outputs with change-over contactAlarm 1 … 6 relay K1 (11/12/14) ... K6 (61/62/64)Sensor Error Relay K7 (71/72/74) monitors sensor break or sensor short circuit.2 analog outputs, 0/4...20 mA and 0/2...10 V, with individual scaling.Universal power supply. 2 ranges AC/DC 24-60V or AC/DC 90-240 VUniversal power supply AC/DC 24-240 VTerminal for USB-Stick for up- and downloads of sets of parameters and for firmware-updatesAccessory: Installation frame ER8 for panel mountAlternative: Temperature Relay Type TR660IP
Pt 100-Temperature Relay Type TR400
The Pt 100 thermostat TR400 is a temperature controller and monitors up to 4 Pt 100 sensors at the same time. 4 switching points and 4 relays permit almost any combination of switching action. It also can select the highest temperature of a group of2, 3 or 4 sensors. The temperatures of two sensors or groups of sensors can be issued to 2 analog outputs i.e. for remote displays or further evaluation. Programming is very variable and simple.Due to the fact that 4 type Pt 100 sensors can be connected, the unit is especially suitable for temperature monitoring wherever up to 4 different measuring points must be monitored simultaneously:motors and generators with simultaneous monitoring of bearings and coolant.transformers with additional monitoring of the core temperature also.power machines and plantsOverview of functionsMeasuring and monitoring range -199 ... +800 °C4 sensor inputs with 2- or 3-wire connection4 relay outputs K1 to K4 with change-over contactSensor Error Relay K7 monitors sensor break or sensor short circuit as well as aninterruption of the power-supply.2 analog outputs, 0/4...20 mA und 0/2...10 V, with individual scaling.Universal power supply AC/DC 24-240 VTerminal for USB-Stick for up- and downloads of sets of parameters and for firmware- updatesAccessory: Installation frame ER8 for panel mountAlternative: Temperature Relay Type TR660IP
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Temperature Relay Type TR640IP
Temperature Relays TR640IP monitor up to 6 sensors for up to 4 limits. Different sensors can be connected at the same time, e.g. Pt 100 (RTD) and PTC thermistors. Typical applications are monitoring of motors, generators or transformers. An other application is the use as a two or more step controller with additional monitoring of over- or undertemperature or monitoring of differences in temperatures of 2 sensors.Preset programs allow easy setting e.g. monitoring of transformers with/without monitoring of temperature of core or with/without controlling a ventilator.If evaluation "2 out of x" is activated with several connected sensors, an alarm is only triggered when the limit value is exceeded in 2 sensors. This prevents false alarms due to a fault in one sensor. Operation can be made at the device or with a standard browser via Ethernet.6 inputs for sensors Pt 100, Pt 1000 and PTC, mixed sensors possible4 alarms / relay outputsalarm 2 of x = alarm only when limit is exceeded in min. 2 sensorsmonitoring of difference of temperaturesmonitoring of rate of change of temperaturelogging of temperatures and historypreset programs for protection of motors, transformers and moreinterface ethernet TCP/IP, values available via modbus TCPprogramming with browser via TCP/IP or with joystick at devicecoloured LED display for clear display of temperatures and states of alarmsuniversal power supply AC/DC 24-270 VAccessory: Installation frame ER6 for panel mount
