Siemens SIMATIC NET RUGGEDCOM RS920W Equipment Manual page 25

Installing the Device
2.5.2 Connecting Low DC Power
2.
3.
4.
16
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 2.7 Terminal Block Wiring – Single DC Power Supply Inputs
Connect the negative wire from the power source to the negative terminal on
the terminal block.
[Optional] If a redundant connection is required, repeat step 2 (Page 16) and
step 3 (Page 16) to connect the secondary power inputs.
4
±
±
Equipment Manual, 11/2023, C79000-G8976-1033-12
RUGGEDCOM RS920W