Power Supply
10
10.1
Power supply PS 24 VDC
Order number
6ES7138-7EA01-0AA0
Properties
WARNING
Death or severe personal injury could result 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. The power supply of the ET 200iSP can be then be safely removed.
● PS 24 V DC supplies the ET 200iSP with necessary output voltages electrically isolated:
– Power bus
– Interface module supply
– Backplane bus
● PS 24 V DC handles the safety-related limitation of the output voltages.
● Properties of the PS 24 V DC depending on product version:
Properties
Product version of the PS 24 V DC
up to 4
5, 6
7 or higher
Pluggable to TM-PS-A or TM-PS-B
X
X
X
Pluggable to TM-PS-A UC or TM-PS-B UC
X
Mixed mode in the case of redundancy PS 24 V DC/ PS 120/230
V AC
X
X
Note
Surge arrester
For product version 3 and higher of the 24 V DC Power Supply PS, the surge arrester is no
longer mandatory for the 24 V DC supply at the Power Supply PS. See sequential number in
the figure (1) in section Application example for protection of ET 200iSP from overvoltages
ET 200iSP
Operating Instructions, 11/2017, A5E00247483-07
221