Siemens SIMATIC NETRUGGEDCOM RS900W Installation Manual page 27

Installing the Device
2.7.2 Connecting Low DC Power
2.
3.
18
Connect the positive wire from the power source to the positive terminal on the
terminal block.
2
1 3
Positive Terminal
1
Negative Terminal
2
Surge Ground Terminal
3
Braided Ground Cable
4
Figure 2.8 Terminal Block Wiring – Single DC Power Supply Inputs
Connect the negative wire from the power source to the negative terminal on
the terminal block.
4
±
±
Installation Manual, 04/2021, C79000-G8976-1028-13
RUGGEDCOM RS900W