Interconnection; 24 V Power Supply For The Electronics - Siemens SINAMICS S120 System Manual

Configuration

3.4 Interconnection

3.4 Interconnection
3.4.1

24 V power supply for the electronics

Note
Only use power supplies that provide SELV (Safety Extra Low Voltage) or PELV (Protective
Extra Low Voltage) output voltages for all connections and terminals of the electronics
modules.
The 24 V power supply for the electronics is required for the following components:
● Internal electronics
● Supplying DRIVE-CLiQ encoders
● Supplying SSI and TTL encoders
NOTICE
Device damage due to overvoltage
For overvoltages exceeding 35 V (even briefly) there is the risk that the internal overvoltage
protection will respond, the internal fuse ruptures – and therefore the module becomes
defective.
• Make sure that you take into account the specified voltage limits.
Characteristic values
Voltage
Current consump-
tion
50
with 2 TTL encoders
with 2 SSI encoders
with 2 DQ encoders
24 V DC (20.4 V to 28.8 V) (24 V -15 %+20 %)
max. 0.5 A
max. 0.9 A
max. 1.1 A
System Manual, 04/2015, 6SL3097-4BA00-0BP1
Hydraulic Drive