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SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 8 DO (RELAY OUTPUTS), 40 PIN, 24V DC, 5A OR 230V AC, 5A |
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| Supply voltage |
| Load voltage L+ |
| permissible range, lower limit (DC) |
24 V |
| permissible range, upper limit (DC) |
120 V |
| Load voltage L1 |
| permissible range, lower limit (AC) |
24 V |
| permissible range, upper limit (AC) |
230 V |
| Input current |
| from load voltage L+ (without load), max. |
125 mA |
| from load voltage L1 (without load), max. |
125 mA |
| from backplane bus 5 V DC, max. |
40 mA |
| Power losses |
| Power loss, typ. |
4.2 W |
| Digital outputs |
| Number of digital outputs |
8; Relays |
| Switching frequency |
| with resistive load, max. |
2 Hz |
| with inductive load, max. |
0.5 Hz |
| on lamp load, max. |
2 Hz |
| mechanical, max. |
10 Hz |
| Aggregate current of outputs (per group) |
| horizontal installation |
| up to 60 °C, max. |
5 A |
| Relay outputs |
| Number of operating cycles, max. |
300000; 300000 (24 V DC, at 2 A); 200000 (120 V AC, at 3 A); 100000 (230 V AC, at 3 A) |
| Switching capacity of contacts |
| with inductive load, max. |
3 A; 3 A (230 V DC); 2 A (24 V AC) |
| with resistive load, max. |
8 A; 8 A (230 V DC); 5 A (24 V AC) |
| Cable length |
| Cable length, shielded, max. |
1000 m |
| Cable length unshielded, max. |
600 m |
| Galvanic isolation |
| Galvanic isolation digital outputs |
| between the channels, in groups of |
1 |
| between the channels and the backplane bus |
Yes; Optocoupler |
| Isolation |
| Isolation checked with |
2000 V AC |
| Connection method |
| required front connector |
40-pin |
| Dimensions |
| Width |
40 mm |
| Height |
125 mm |
| Depth |
120 mm |
| Weights |
| Weight, approx. |
320 g |
| Status |
May 10, 2014 |
