PI-EX-NAM/RNO-NE
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Signal isolator
2835341
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 | Isolating switch amplifier |
| Application | Digital IN |
| No. of channels | 1 |
| Electrical isolation | 3-way isolation |
| Electrical isolation between input and output | yes |
| Line monitoring | NE 21 |
| Maximum power dissipation for nominal condition | 0.8 W (24 V DC) |
| Electrical isolation Input/output | |
| Electrical isolation | 375 V (Peak value as per EN 50020 / EN 60079-11) |
| Electrical isolation Input/power supply | |
| Electrical isolation | 375 V (Peak value as per EN 50020 / EN 60079-11) |
| Electrical isolation Output/supply | |
| Test voltage | 1.5 kV AC (50 Hz, 60 s) |
| Supply | |
| Supply voltage range | 20 V DC ... 30 V DC |
| Max. current consumption | max. 40 mA |
| Power consumption | max. 0.8 W (24 V) |
| Signal: NAMUR | |
| Description of the input | intrinsically safe |
| Number of inputs | 1 |
| Available input sources | NAMUR proximity sensors (IEC/EN 60947-5-6) |
| floating switch contacts | |
| Switch contacts with resistance circuit | |
| Switching threshold "0" signal current | < 1.2 mA (blocking) |
| Switching threshold "1" signal, current | > 2.1 mA (conductive) |
| Line fault detection | < 0.05 mA (Line break) |
| 100 Ω ... 360 Ω (Short circuit) | |
| can be enabled/disabled via switch | |
| Open-circuit voltage | 8.2 V DC ±10 % |
| Switching: Relay | |
| Configurable/programmable | Can be inverted via slide switch |
| Contact switching type | N/O contact |
| Contact material | AgSnO, hard gold-plated |
| Limiting continuous current | 1 A (30 V DC) |
| 0.5 A (125 V AC) | |
| Min. switching current | 1 mA |
| Signal | |
| Number of outputs | 1 |
| Switching behavior | Can be inverted via slide switch |
| Switching frequency | max. 14 Hz (Load-dependent) |
| Connection method | Screw connection |
| Safety data | |
| Max. output voltage Uo | 10.6 V |
| Max. output current Io | 33 mA |
| Max. output power Po | 86 mW |
| Safety-related maximum voltage Um | 250 V AC |
| IIA: Max. external inductivity Lo / Max. external capacitance Co | 230 mH / 72 µF |
| IIB: Max. external inductivity Lo / Max. external capacitance Co | 110 mH / 16.2 µF |
| IIC: Max. external inductivity Lo / Max. external capacitance Co | 30 mH / 2.3 µF |
| Status display | Green LED (supply voltage) |
| Yellow LED (status display) | |
| Red LED (line errors) |
| Dimensional drawing |
|
| Width | 12.4 mm |
| Height | 79 mm |
| Depth | 118.4 mm |
| Color | green (RAL 6021) |
| Flammability rating according to UL 94 | V0 |
| Housing material | PBT and polyamide PA non-reinforced |
| Safety data: IEC 61508 - Low demand | |
| Safety Integrity Level (SIL) | 2 |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | max. -20 °C ... 60 °C (see data sheet) |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| CE | |
| Certificate | CE-compliant |
| ATEX | |
| Identification | II (1) G [Ex ia Ga] IIC |
| II (1) D [Ex ia Da] IIIC | |
| II 3 G Ex nA nC IIC T4 Gc | |
| Certificate | PxCIF07ATEX2835341X |
| UL, USA/Canada | |
| Identification | applied for |
| Safety Integrity Level (SIL, IEC 61508) | |
| Identification | 2 |
| EAC Ex | |
| Identification | [Ex ia Ga] IIC |
| Certificate | RU C-DE.AB72.B.00097/19 |
| Electrical isolation | 3-way isolation |
| Standards | |
| Standards/regulations | NAMUR recommendation NE 21 |
