Universally configurable temperature limit value switch with N/O relay output for the connection of 2, 3, and 4-conductor resistance thermometers and thermocouples. Configurable via DIP switch or software, screw connection technology
Universally configurable temperature limit value switch with relay output and plug-in connection technology for switching temperature limit values. 2, 3, 4-conductor RTD and TC sensors can be processed on the input side. A relay with N/O contact is available on the output side. It is then possible to switch loads up to 250 V AC/DC and max. 6 A. You can configure the device using one of the free software solutions available or your smartphone. Default settings can also be made directly on the device by simply using the DIP switches (see configuration table). The temperature limit value switch supports fault monitoring and NFC communication.
| Switching point accuracy | < 0.1 % |
| Step response (0–99%) | 300 ms |
| 570 ms | |
| 380 ms | |
| 300 ms | |
| 570 ms | |
| Maximum temperature coefficient | 0.01 %/K |
| Electrical isolation Input/output/power supply | |
| Rated insulation voltage | 300 Vrms |
| Test voltage | 3 kV AC (50 Hz, 60 s) |
| Insulation | Reinforced insulation according to IEC/EN 61010-1 |
| Supply | |
| Nominal supply voltage | 24 V DC |
| Supply voltage range | 9.6 V DC ... 30 V DC (The DIN rail connector (ME 6,2 TBUS-2 1,5/5-ST-3,81 GN, item no. 2869728) can be used to bridge the supply voltage. It can be snapped onto a 35 mm DIN rail in accordance with EN 60715) |
| Typical current consumption | 44 mA (12 V DC) |
| 22 mA (24 V DC) | |
| Power consumption | 570 mW |
| Signal | |
| Number of inputs | 1 |
| Measurement | |
| Number of inputs | 1 |
| Configurable/programmable | Yes |
| Sensor types (RTD) that can be used | Pt, Ni, Cu sensors |
| Sensor types that can be used (TC) | B, E, J, K, N, R, S, T, L, U, A-1, A-2, A-3, M, L |
| Available input sources | Resistance thermometers |
| Thermocouples | |
| Temperature measuring range | -250 °C ... 2500 °C (RTD) |
| Temperature measuring range | ≥ 20 K (RTD) |
| Sensor type: | 500 °C ... 1820 °C |
| -230 °C ... 1000 °C | |
| -210 °C ... 1200 °C | |
| -250 °C ... 1372 °C | |
| -200 °C ... 1300 °C | |
| -50 °C ... 1768 °C | |
| -50 °C ... 1768 °C | |
| -200 °C ... 400 °C | |
| -200 °C ... 900 °C | |
| -200 °C ... 600 °C | |
| 0 °C ... 2500 °C | |
| 0 °C ... 1800 °C | |
| 0 °C ... 1800 °C | |
| -200 °C ... 100 °C | |
| -200 °C ... 800 °C | |
| Sensor input current | 200 µA (RTD) |
| Max. permissible overall conductor resistance | ≤ 25 Ω (Per line, RTD in 3- or 4-conductor technology) |
| ≤ 50 Ω (adjustable, RTD in 2-conductor technology) | |
| Linear resistance measuring range | 0 Ω ... 4000 Ω (RTD) |
| Linear mV signal range | -500 mV ... 500 mV (RTD) |
| Connection technology | 2-, 3-, 4-conductor |
| Switching: Relay | |
| Number of outputs | 1 |
| Contact switching type | 1 N/O contact |
| Contact material | AgSnO2, hard gold-plated |
| Maximum switching voltage | 250 V AC |
| 30 V DC | |
| 240 V AC (UL) | |
| Limiting continuous current | 6 A AC |
| 4 A DC | |
| Min. switching current | 100 mA (12 V DC) |
| Max. switching current | 6 A AC (250 V AC) |
| 4 A DC (30 V DC) | |
| Mechanical service life | 2x 107 cycles |
| Setting range of the response delay | 0 s ... 10 s (can be set freely via software) |
| Internal hysteresis | can be set freely via software |
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