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Flexible Delivery Options
| Supply voltage | SM422, 16DO, AC120/230V, 2A | SM422, 16DO, DC24V, 2A, | SIMATIC S7-400, SM 422 | SIMATIC S7-400, DIG.OUTPUT MOD. | SIMATIC S7-400, DIG.OUTPUT MOD. |
| Load voltage L+ | |||||
|
● Rated value (DC)
|
60 V | 24 V | 24 V | 24 V | |
|
● permissible range, lower limit (DC)
|
1 V | 20.4 V | 20.4 V | 20.4 V | |
|
● permissible range, upper limit (DC)
|
60 V | 28.8 V | 28.8 V | 28.8 V | |
| Load voltage L1 | |||||
|
● Rated value (AC)
|
230 V; 120/230 V AC | 230 V | |||
|
● permissible range, lower limit (AC)
|
79 V | 2 V | |||
|
● permissible range, upper limit (AC)
|
264 V | 264 V | |||
|
● permissible frequency range, lower limit
|
47 Hz | ||||
|
● permissible frequency range, upper limit
|
63 Hz | ||||
| Input current | |||||
| from load voltage L+ (without load), max. | 1.5 mA | 30 mA | 30 mA | 120 mA | |
| from backplane bus 5 V DC, max. | 400 mA | 1 A | 160 mA | 200 mA | 200 mA |
| Power loss | |||||
| Power loss, typ. | 16 W | 4.5 W | 5 W | 4 W | 8 W |
| Digital outputs | |||||
| Number of digital outputs | 16 | 16; Relays | 16 | 32 | 32 |
| Short-circuit protection | Yes; Fuse 8 A, 250 V; per group | No | Yes; Clocked electronically | Yes; Clocked electronically | Yes; Clocked electronically |
|
● Response threshold, typ.
|
2.8 to 6 A | 0.7 to 1.5 A | 0.75 to 1.5 A | ||
|
● required current for fuse shutdown, min.
|
100 A | ||||
|
● Response time, max.
|
100 ms | ||||
| Limitation of inductive shutdown voltage to | -30 V | -27 V | L+ (-45 V) | ||
| Controlling a digital input | Yes; possible | Yes; possible | Yes; possible | Yes; possible | Yes; possible |
| Size of motor starters according to NEMA, max. | Size 5 according to NEMA | Size 5 according to NEMA | |||
| Spare fuses | Fuse 8 A, 250 V, quick response | ||||
| Zero-crossing switch | No | ||||
| Switching capacity of the outputs | |||||
|
● on lamp load, max.
|
50 W | 60 W | 10 W | 5 W | 5 W |
| Load resistance range | |||||
|
● lower limit
|
24 Ω | 48 Ω | 48 Ω | ||
|
● upper limit
|
4 kΩ | 4 kΩ | 4 kΩ | ||
| Output voltage | |||||
|
● for signal “1”, min.
|
L1 (-18.1 V) | L+ (-0.5 V) | L+ (-0.3 V) | L+ (-0.8 V) | |
|
● for signal “1” (at max. current), min.
|
L1 (-1.3 Vrms) | ||||
|
● for signal “1” (at min. current), min.
|
L1 (-18.1 Vrms) | ||||
| Output current | |||||
|
● for signal “1” rated value
|
2 A | 5 A | 2 A | 0.5 A | 0.5 A |
|
● for signal “1” permissible range, min.
|
10 mA | 5 mA | 5 mA | 5 mA | |
|
● for signal “1” permissible range, max.
|
2 A | 2.4 A | 0.6 A | 600 A | |
|
● for signal “1” permissible surge current, max.
|
50 A; per cycle | ||||
|
● for signal “0” residual current, max.
|
2.6 mA | 0.5 mA | 0.3 mA | 0.5 mA | |
| Output delay with resistive load | |||||
|
● “0” to “1”, max.
|
1 ms | 1 ms | 1 ms | ||
|
● “1” to “0”, max.
|
1 AC cycle | 1 ms | 1 ms | ||
| Parallel switching of two outputs | |||||
|
● for uprating
|
No; Not possible | No; Not possible | Yes; possible (only outputs of the same group) | Yes; possible (only outputs of the same group) | |
|
● for redundant control of a load
|
Yes; Possible (only outputs with the same load voltage) | Yes; Possible (only outputs with the same load voltage) | Yes; possible (only outputs of the same group) | Yes; possible (only outputs of the same group) | Yes; possible (only outputs of the same group) |
| Switching frequency | |||||
|
● with resistive load, max.
|
10 Hz | 10 Hz | 100 Hz | 100 Hz | 100 Hz |
|
● with inductive load, max.
|
0.5 Hz | 0.1 Hz | 0.5 Hz | 2 Hz | |
|
● with inductive load (acc. to IEC 60947-5-1, DC13), max.
|
0.2 Hz; 0.2 Hz at 1 A; 0.1 Hz at 2 A | 2 Hz; 2 Hz at 0.3 A; 0.5 Hz at 0.5 A | 2 Hz | ||
|
● with inductive load (acc. to IEC 60947-5-1, AC15), max.
|
0.5 Hz | ||||
|
● With inductive load (to IEC 60947-5-1, DC13/AC15), max.
|
1 Hz | ||||
|
● on lamp load, max.
|
1 Hz | 1 Hz | 10 Hz | 10 Hz | 2 Hz |
|
● mechanical, max.
|
20 Hz |
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