Power Supply
11
11.1 Power supply PS 24 VDC
Article number
6ES7138-7EA01-0AA0
Properties
WARNING
Death or serious injury may occur if the following precautions are not taken
There must be a wait of at least 2 minutes after unlocking the power supply in potentially
explosive atmospheres. Then the power supply of the ET 200iSP can be safely disconnected.
• The PS DC24V supplies the ET 200iSP galvanically isolated with the required output voltages:
– Power bus
– Interface module supply
– Backplane bus
• The PS DC24V takes over the safety-related limitation of the output voltages.
• Properties of the PS DC24V depending on the product version:
Properties Product version of the PS 24 V DC
up to 4 5, 6 7 or high‐
er
Pluggable on TM-PS-A (6ES7193-7DA10-0AA0) or TM-PS-B
(6ES7193-7DB10-0AA0)
X X X
Pluggable on TM-PS-A (6ES7193-7DA20-0AA0) or TM-PS-B
(6ES7193-7DB20-0AA0)
X
Mixed operation in case of redundancy: PS DC24V/PS AC120/230V X X
Note
Surge arrester
As of product version 3 of power supply PS DC24V, the overvoltage suppressor for the DC 24V
supply at the power supply is no longer mandatory. See consecutive number from gure (1) in
section Application example for protection of ET 200iSP from overvoltages (Page 449).
ET 200iSP
Operating Instructions, 11/2022, A5E00247483-AK 269
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