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SIMATIC S7-400, DIGITAL OUTPUT MODULE, SM 422, ISOLATED, 16 DO, 20 - 125V DC, 1.5A WITH DIAGNOSTICS 8 POINT PER COMMON |
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Supply voltage |
Load voltage L+ |
Rated values |
20 V DC to 125 V DC |
permissible range, lower limit (DC) |
20 V |
permissible range, upper limit (DC) |
138 V |
Load voltage L1 |
Rated value (AC) |
20 V; 20 V DC to 138 V DC |
Input current |
from load voltage L+ (without load), max. |
2 mA |
from backplane bus 5 V DC, max. |
700 mA |
Power losses |
Power loss, max. |
10 W |
Digital outputs |
Number of digital outputs |
16 |
Limitation of inductive shutdown voltage to |
-30 V |
Switching capacity of the outputs |
Lamp load, max. |
8 W |
Output voltage |
for signal "1", min. |
L+ (-1 V) |
Output current |
for signal "1" rated value |
1.5 A |
for signal "1" permissible range for 0 to 60 °C, min. |
5 mA |
for signal "1" permissible range for 0 to 60 °C, max. |
1.5 A |
for signal "0" residual current, max. |
0.5 mA |
Switching frequency |
with resistive load, max. |
10 Hz |
with inductive load, max. |
0.1 Hz |
Aggregate current of outputs (per group) |
all mounting positions |
up to 60 °C, max. |
8 A; 14 A with fan assembly |
Cable length |
Cable length, shielded, max. |
1000 m |
Cable length unshielded, max. |
600 m |
Interrupts/diagnostics/status information |
Alarms |
Diagnostic alarm |
Yes; Parameterizable |
Diagnostic messages |
Diagnostics |
Yes; internal/ external fault |
Galvanic isolation |
Galvanic isolation digital outputs |
between the channels, in groups of |
8 |
between the channels and the backplane bus |
Yes |
Isolation |
Isolation checked with |
1500 V AC |
Dimensions |
Width |
25 mm |
Height |
290 mm |
Depth |
210 mm |
Weights |
Weight, approx. |
800 g |
Status |
Jun 16, 2014 |