Siemens simatic hmi op27 Equipment Manual page 192

Contact assembly for temperature
monitoring
Switching power
Direct key module (DKM)
Voltage supply for outputs, load voltage supply and internal logic circuitry
Voltage supply
S
rated value
S
permissible range
S
value at t < 0.5 sec
Power consumption of logic circuitry
Short-circuit protection upon polarity rever-
sal of load voltage
1)
Outputs
No. of outputs
Output voltage
S
with signal "0"
S
with signal "1"
Output current
S
with signal "0"
S
with signal "1"
Switch rate at
S
resistive load
S
inductive load
S
lamp load
Short-circuit current
Note:
With inductive loads, an external free-wheeling diode must be used directly on the load.
1)
Outputs are isolated by means of optocouplers.
OP27, OP37 Equipment Manual
Release 05/99
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OP27
– 24 V DC, 0.3 A
(no inductive load)
OP27
+ 24 V DC
+18.0 to +30.0 V
35 V
50 mA
4
8 per module
Max. 2 V (idling)
Min. (voltage supply –3 V)
Max. 1 mA
Max. 300 mA per output
Max. 100 Hz
Max. 0.5 Hz
Max. 8 Hz
Max. 500 mA per output
Technical Data
OP37
OP37
A-3