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SIMATIC S7-1200, DIGITAL OUTPUT SM 1222, 8 DO, RELAY 2A |
|
| Supply voltage |
| permissible range, lower limit (DC) |
5 V |
| permissible range, upper limit (DC) |
30 V |
| Input current |
| from backplane bus 5 V DC, max. |
120 mA |
| Digital inputs |
| from load voltage L (without load), max. |
11 mA/relay coil |
| Power loss |
| Power loss, typ. |
4.5 W |
| Digital inputs |
| Number of digital inputs |
0 |
| Digital outputs |
| Number of digital outputs |
8 |
| in groups of |
2 |
| Short-circuit protection |
No; to be provided externally |
| Switching capacity of the outputs |
| with resistive load, max. |
2 A |
| on lamp load, max. |
30 W with DC, 200 W with AC |
| Output voltage |
| Rated value (AC) |
5 V AC to 250 V AC |
| Rated value (DC) |
5 V DC to 30 V DC |
| Output current |
| for signal "1" permissible range, max. |
2 A |
| Output delay with resistive load |
| "0" to "1", max. |
10 ms |
| "1" to "0", max. |
10 ms |
| Total current of the outputs (per group) |
| horizontal installation |
| up to 50 °C, max. |
10 A; Current per mass |
| Relay outputs |
| Number of relay outputs |
8 |
| Rated supply voltage of relay coil L (DC) |
24 V |
| Number of operating cycles, max. |
mechanically 10 million, at rated load voltage 100,000 |
| Switching capacity of contacts |
| with inductive load, max. |
2 A |
| on lamp load, max. |
30 W with DC, 200 W with AC |
| with resistive load, max. |
2 A |
| Cable length |
| Cable length, shielded, max. |
500 m |
| Cable length unshielded, max. |
150 m |
| Interrupts/diagnostics/status information |
| Alarms |
| Alarms |
Yes |
| Diagnostic alarm |
Yes |
| Diagnostic messages |
| Diagnostic functions |
Yes |
| Diagnostics indication LED |
| for status of the outputs |
Yes |
| for maintenance |
Yes |
| Status indicator digital output (green) |
Yes |
| Galvanic isolation |
| Galvanic isolation digital outputs |
| between the channels |
Relays |
| between the channels, in groups of |
2 |
| between the channels and the backplane bus |
1500 V AC for 1 minute |
| Permissible potential difference |
| between different circuits |
750 V AC for 1 minute |
| Degree and class of protection |
| IP20 |
Yes |
| Standards, approvals, certificates |
| CE mark |
Yes |
| RCM (former C-TICK) |
Yes |
| FM approval |
Yes |
| Climatic and mechanical conditions for storage and transport |
| Climatic conditions for storage and transport |
| Free fall |
| Drop height, max. (in packaging) |
0.3 m; five times, in dispatch package |
| Temperature |
| permissible temperature range |
-40 °C to 70 °C |
| Air pressure acc. to IEC 60068-2-13 |
| permissible air pressure |
1080 to 660 hPa |
| Relative humidity |
| permissible range (without condensation) at 25 °C |
95 % |
| Mechanical and climatic conditions during operation |
| Climatic conditions in operation |
| Temperature |
| permissible temperature range |
0 °C to 55 °C horizontal installation, 0 °C to 45 °C vertical installation |
| permissible temperature change |
5°C to 55°C, 3°C / minute |
| Connection method |
| required front connector |
Yes |
| Mechanics/material |
| Type of housing (front) |
|
| Plastic |
Yes |
| Dimensions |
| Width |
45 mm |
| Height |
100 mm |
| Depth |
75 mm |
| Weights |
| Weight, approx. |
190 g |
| Status |
Aug 25, 2014 |
