PI/EX-NAM/RNO
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Signal isolator
2835053
Ex i binary input: NAMUR isolation amplifiers. For operating proximity sensors and switches in Ex areas. The binary signals are transmitted to a safe area. Relay output (N/O contact), line fault detection. Galvanic 3-way isolation.
Product details
| Order information: | The electronics module is plugged into a basic terminal block. |
| Product type | Signal conditioner |
| Application | Digital IN |
| No. of channels | 1 |
| Insulation voltage input/output/supply | 0.25 kVrms |
| Test voltage input/output | 1.5 kV AC |
| Supply | |
| Supply voltage range | 20 V DC ... 35 V DC |
| Max. current consumption | max. 40 mA |
| Power dissipation | max. 0.8 W (24 V) |
| Control | |
| Input name | Control current circuit |
| Description of the input | intrinsically safe |
| Available input sources | NAMUR proximity sensors |
| floating switch contacts | |
| Switch contacts with resistance circuit | |
| Non-load voltage | 8.2 V DC ±10 % |
| Switching threshold "0" signal current | < 1.2 mA (attenuated in acc. with EN 60947-5-6) |
| Switching threshold "1" signal, current | > 2.1 mA (non-attenuated in acc. with EN 60947-5-6) |
| Switching: Relay | |
| Contact switching type | N/O contact, reversal options, SPST |
| Limiting continuous current | 1 A (30 V DC) |
| 0.5 A (125 V AC) | |
| Min. switching current | 10 µA |
| Safety data | |
| Max. output voltage Uo | 10.5 V |
| Max. output current Io | 14 mA |
| Max. output power Po | 37 mW |
| EEX specification | [EEx ia] IIC, EX II (1)GD, BAS 97 ATEX 1251 |
| IIA: Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 19.2 µF |
| IIB: Max. external inductivity Lo / Max. external capacitance Co | 495 mH / 7.2 µF |
| IIC: Max. external inductivity Lo / Max. external capacitance Co | 165 mH / 2.4 µF |
| Status display | Green LED (supply voltage) |
| Yellow LED (status display) | |
| Red LED (line errors) |
| 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 | Polyamide PA non-reinforced |
| Ambient conditions | |
| Ambient temperature (operation) | -20 °C ... 60 °C (vertical assembly) |
| -20 °C ... 50 °C (horizontal assembly) | |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Permissible humidity (operation) | 5 % ... 95 % (relative humidity, non-condensing) |
| Electromagnetic compatibility | Conformance with EMC directive |
| Noise immunity | EN 61326:1998 |
| Noise emission | |
| Standards/regulations | EN 61326:1998 |
