 |
SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED 16DO, RELAY CONTACTS, 1 X 20 PIN |
| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
120 V |
| Load voltage L1 |
| ● Rated value (AC) |
230 V |
| Input current |
| from backplane bus 5 V DC, max. |
100 mA |
| Power losses |
| Power loss, typ. |
4.5 W |
| Digital outputs |
| Number of digital outputs |
16; Relays |
| Switching capacity of the outputs |
| ● Lamp load, max. |
50 W; 230 V AC |
| Output current |
| ● for signal "1" rated value |
2 A |
| ● for signal "1" minimum load current |
10 mA |
| Switching frequency |
| ● with resistive load, max. |
1 Hz |
| ● with inductive load, max. |
0.5 Hz |
| ● on lamp load, max. |
1 Hz |
| ● mechanical, max. |
10 Hz |
| Aggregate current of outputs (per group) |
| horizontal installation |
| — up to 60 °C, max. |
8 A |
| vertical installation |
| — up to 40 °C, max. |
8 A |
| Relay outputs |
| ● Rated input voltage of relay coil L+ (DC) |
24 V |
| ● Number of operating cycles, max. |
100 000; 50000 (24 V DC, at 2 A); 700000 (120 V AC, at 2 A); 100000 (230 V AC, at 2 A) |
| Switching capacity of contacts |
| — with inductive load, max. |
2 A; 2 A (230 V AC), 2 A (24 V DC) |
| — with resistive load, max. |
2 A; 2 A (230 V AC), 2 A (24 V DC) |
| Cable length |
| ● Cable length, shielded, max. |
1 000 m |
| ● Cable length unshielded, max. |
600 m |
| Interrupts/diagnostics/status information |
| Alarms |
| ● Diagnostic alarm |
No |
| Diagnostic messages |
| ● Diagnostics |
No |
| ● Wire break |
No |
| ● Short circuit |
No |
| ● Fuse blown |
No |
| ● Missing load voltage |
No |
| Diagnostics indication LED |
| ● Rated load voltage PWR (green) |
No |
| ● Fuse OK FSG (green) |
No |
| Galvanic isolation |
| Galvanic isolation digital outputs |
| ● between the channels, in groups of |
8 |
| ● between the channels and the backplane bus |
Yes; Optocoupler |
| Isolation |
| Isolation checked with |
1500 V AC |
| Connection method |
| required front connector |
20-pin |
| Dimensions |
| Width |
40 mm |
| Height |
125 mm |
| Depth |
120 mm |
| Weights |
| Weight, approx. |
250 g |
| last modified: |
13.10.2014 |
