| Product type | Safety device |
| Safety Integrity Level (SIL) | 2 (1channel wiring) |
| Protection class | III |
| Overvoltage category | II |
| Response time | Max. 22 ms ... 24 ms |
| Restart time | min. 5 s (Boot time) |
| Nominal operating mode | 100% operating factor |
| Rated surge voltage/insulation | See section âInsulation coordinationâ |
| Designation | A1/A2 |
| Rated control circuit supply voltage US | 24 V DC 20 % / +20 % (external fuse, typically 4 A) |
| Inrush current | max. 750 mA (Ît £ 1 s) |
| Filter time | 250 ms ±2 ms (Test pulse rate > 500 ms) |
| Protective circuit | Suppressor diode |
| Description of the input | nonsafetyrelated (configurable) |
| Number of inputs | 4 |
| Input voltage range "0" signal | 0 V DC ... 5 V DC |
| Input voltage range "1" signal | 11 V DC ... 28.8 V DC |
| Input current range "0" signal | < 1 mA |
| Cable length | max. 100 m (per output) |
| Max. permissible overall conductor resistance | 1.2 kΩ (Input and reset circuit at US) |
| Current consumption | typ. 10 mA (typ. with US) |
| Output description | PNP, IEC 611312 type 0.5 |
| Number of outputs | 4 |
| Short-circuit protection | Yes (selflimitation at 1.1 A) |
| Leakage current | max. 100 µA |
| Ohmic load | min. 180 Ω (Observe limiting continuous current) |
| Max. capacitive load | max. 470 nF |
| Max. inductive load | max. 2.4 mH |
| Limiting continuous current | 100 mA (per channel) |
| Nominal output voltage | 24 V DC (Supply via A1) |
| Nominal output voltage range | 18 V DC ... 27.6 V DC (US 1.2 V) |
| Switching frequency | max. 1/4 x tCycle [Hz] |
| Output voltage when switched off | max. 0.1 V |
| Test pulses | ⤠220 µs (Test pulse duration) |
| Discharging circuit | Yes, internal |
| Output voltage range | 18.2 V DC ... 27.8 V DC (US 1 V) |
| Voltage | 24 V DC (via A1) |
| Maximum inrush current | 1.1 A (Ît = 3 s at Us) |
| pluggable | yes |
| Connection method | Screw connection |
| 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 ... 12 |
| Stripping length | 7 mm |
| Status display | 1 x LED (green), 1 x LED (orange) |
| Operating voltage display | 1 x LED (green) |
| Error indication | 2 x LED (red) |
| Width | 45.2 mm |
| Height | 112.58 mm |
| Depth | 113.6 mm |
| Color (Housing) | yellow (RAL 1018) |
| Housing material | Polyamide PA nonreinforced |
| Performance level (PL) | e (2channel wiring) |
| Safety Integrity Level (SIL).1 | 3 (2channel wiring) |
| Degree of protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient temperature (operation) | 20 °C ... 55 °C (observe derating) |
| Ambient temperature (storage/transport) | 40 °C ... 85 °C |
| Maximum altitude | ⤠2000 m (Above sea level) |
| Max. permissible humidity (storage/transport) | 95 % (noncondensing) |
| Max. permissible relative humidity (operation) | 95 % (noncondensing) |
| Shock | 10g for Ît = 16 ms (continuous shock, 1000 shocks in each space direction) |
| Vibration (operation) | 10 Hz ... 150 Hz, 2g |
| Identification | CEcompliant |
| Mounting type | DIN rail mounting |
| Assembly note | Observe derating |
| Mounting position | vertical or horizontal |
| Screw thread | M3 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Pollution degree | 2 |
