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SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 32 DO, AC 120V/230V, 1A, DOUBLE WIDTH HOUSING, 2 X 20 PIN |
| Supply voltage |
| Load voltage L1 |
| ● Rated value (AC) |
120 V; 120/230 V AC |
| ● permissible range, lower limit (AC) |
79 V |
| ● permissible range, upper limit (AC) |
264 V |
| Input current |
| from load voltage L1 (without load), max. |
10 mA |
| from backplane bus 5 V DC, max. |
190 mA |
| Power losses |
| Power loss, typ. |
25 W |
| Digital outputs |
| Number of digital outputs |
32 |
| Switching capacity of the outputs |
| ● Lamp load, max. |
50 W |
| Output voltage |
| ● for signal "1", min. |
L1 (-0.8 V) |
| Output current |
| ● for signal "1" rated value |
1 A |
| ● for signal "1" permissible range for 0 to 40 °C, max. |
1 A |
| ● for signal "1" minimum load current |
10 mA |
| ● for signal "1" permissible surge current, max. |
10 A; per group (for 2 AC cycles) |
| ● for signal "0" residual current, max. |
2 mA |
| Switching frequency |
| ● with resistive load, max. |
10 Hz |
| ● with inductive load, max. |
0.5 Hz |
| ● on lamp load, max. |
1 Hz |
| Aggregate current of outputs (per group) |
| horizontal installation |
| — up to 40 °C, max. |
4 A |
| — up to 60 °C, max. |
3 A |
| vertical installation |
| — up to 40 °C, max. |
4 A |
| 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 |
Yes |
| 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 |
4000 VDC |
| Connection method |
| required front connector |
20-pin |
| Dimensions |
| Width |
80 mm |
| Height |
125 mm |
| Depth |
117 mm |
| Weights |
| Weight, approx. |
500 g |
| last modified: |
25.09.2014 |
