PI-EX-RTD-I
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Signal converter
2835066
Ex i resistance thermometer input: Converts signals of Pt 100 resistance thermometers installed in the Ex zone and transfers a 4 mA ... 20 mA signal to a load in the safe zone. Freely programmable. Galvanic 3-way isolation.
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Product details
| Order information: | The electronics module is plugged into a basic terminal block. |
| Product type | Temperature transmitter |
| Application | Temperature |
| No. of channels | 1 |
| Maximum transmission error | < 0.1 % (of end value 20 mA, at 0 Ω ... 400 Ω input range, 20°C) |
| Electrical isolation Input/output | |
| Electrical isolation | 250 V |
| Electrical isolation Input/power supply | |
| Electrical isolation | 250 V |
| Electrical isolation Output/supply | |
| Test voltage | 1.5 kV AC (50 Hz, 60 s) |
| Supply | |
| Supply voltage range | 20 V DC ... 35 V DC |
| Max. current consumption | 64 mA (24 V DC / 20 mA) |
| Power dissipation | 1.5 W (24 V DC / 20 mA) |
| Measurement | |
| Description of the input | intrinsically safe |
| Configurable/programmable | Freely programmable, configured |
| Sensor types (RTD) that can be used | 2 or 3-conductor Pt 100 sensors as well as resistance-type sensors |
| Temperature measuring range | -200 °C ... 850 °C (Range depending on the sensor type) |
| : | -200 °C ... 850 °C |
| Connection technology | 2-, 3-conductor |
| Linear resistance measuring range | 0 Ω ... 400 Ω (Minimum measuring range 10 Ω) |
| Measuring accuracy | ±80 mΩ |
| Signal | |
| Output description | Current output |
| Current output signal | 4 mA ... 20 mA |
| Load/output load current output | ≤ 600 Ω |
| Behavior in the event of a sensor error | upscale, downscale or off, LED flashes |
| Measuring accuracy | ±11 μA |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 14 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Safety data | |
| Max. output voltage Uo | 6.6 V |
| Max. output current Io | 27 mA |
| Max. output power Po | 50 mW |
| Safety-related maximum voltage Um | 250 V AC |
| IIB: Max. external inductivity Lo / Max. external capacitance Co | 178.4 mH / 500 µF |
| IIC: Max. external inductivity Lo / Max. external capacitance Co | 48.7 mH / 22 µF |
| Status display | Green LED, for power supply, flashes in the case of sensor defect |
| Dimensional drawing |
|
| Width | 12.4 mm |
| Height | 145 mm |
| Depth | 147 mm |
| Color | green (RAL 6021) |
| Flammability rating according to UL 94 | V0 |
| Housing material | PBT and polyamide PA non-reinforced |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -20 °C ... 55 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| CE | |
| Certificate | CE-compliant |
| ATEX | |
| Identification | II (1) GD [EEx ia] IIC |
| UL, USA/Canada | |
| Identification | cULus |
