Direct Key Module And Control Panel Interface - Siemens 6AV3991-1AJ02-0AB0 Equipment Manual

A.1

Direct Key Module and Control Panel Interface

Direct key module (DKM)
Voltage supply for outputs, load voltage supply and internal logic circuitry
Voltage supply
rated value
permissible range
value at t < 0.5 sec
Power consumption of logic circuitry
Short-circuit protection upon polarity rever-
sal of load voltage
3)
Outputs
No. of outputs
Output voltage
with signal "0"
with signal "1"
Output current
with signal "0"
with signal "1"
Switch rate at
resistive load
inductive load
lamp load
Short-circuit current
Note:
With inductive loads, an external free-wheeling diode must be used directly on the load.
3)
Outputs are isolated by means of optocouplers.
TP27, TP37 Equipment Manual
Release 01/00
Technical Data
+ 24 V DC
+18.0 to +30.0 V
35 V
50 mA
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
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