Connecting Low Dc Power - Siemens RUGGEDCOM RS900W Installation Manual

RUGGEDCOM RS900W
Installation Guide
Section 2.8.2

Connecting Low DC Power

RUGGEDCOM RS900W's equipped with 24 or 48 V power supply inputs feature reverse polarity protection and dual
power supply inputs allowing the device to accept redundant connections to a single DC power supply.
To connect a low DC power supply to the device, do the following:
NOTE
Torque all terminal connections to 0.6 N·m (5 lbf-in).
1. Connect the positive wire from the power source to the positive terminal on the terminal block.
Figure 7: Terminal Block Wiring - Single DC Power Supply Inputs
1. Positive Terminal 2. Negative Terminal 3. Surge Ground Terminal 4. Braided Ground Cable
2. Connect the negative wire from the power source to the negative terminal on the terminal block.
3. [Optional] If a redundant connection is required, repeat steps
power inputs.
Connecting Low DC Power
2
1 3
4
±
±
Step 1 and Step 2 to connect the secondary
Chapter 2
Installing the Device
13