| Signal type |
Digital Input |
| Functional safety related parameters |
| Safety Integrity Level (SIL) |
SIL 2 |
| Supply |
| Connection |
Power Rail or terminals 14+, 15- |
| Rated voltage |
20 ... 30 V DC |
| Ripple |
≤ 10 % |
| Rated current |
≤ 50 mA |
| Power dissipation |
1 W |
| Power consumption |
< 1.3 W |
| Input |
| Connection side |
field side |
| Connection |
terminals 1+, 2+, 3-; 4+, 5+, 6- |
| Rated values |
acc. to EN 60947-5-6 (NAMUR) |
| Open circuit voltage/short-circuit current |
approx. 8 V DC / approx. 8 mA |
| Switching point/switching hysteresis |
1.2 ... 2.1 mA / approx. 0.2 mA |
| Line fault detection |
breakage I ≤ 0.1 mA , short-circuit I > 6 mA |
| Pulse/Pause ratio |
min. 20 ms / min. 20 ms |
| Output |
| Connection side |
control side |
| Connection |
output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12 |
| Output I, II, III, IV |
channel 1, 2; relay |
| Contact loading |
50 V AC/1 A/cos φ > 0.7; 40 V DC/1 A resistive load |
| Minimum switch current |
1 mA / 24 V DC |
| Energized/De-energized delay |
approx. 20 ms / approx. 20 ms |
| Mechanical life |
108 switching cycles |
| Collective error message |
Power Rail |
| Transfer characteristics |
| Switching frequency |
≤ 10 Hz |