Siemens SIMATIC NET RUGGEDCOM RS900 Installation Manual

Installing the Device
2.6.2Connecting Low DC Power
±
±
±
±
1 3 1
2 2
4
1
Positive Terminal
2
Negative Terminal
3
Surge Ground Terminal
4
Braided Ground Cable
Figure2.7 Terminal Block Wiring – Dual DC Power Supply Inputs
3. Connect the negative wire from the power source to the negative/neutral (-/N)
terminal on the terminal block.
4. Connect the ground wire from the power source to the chassis groun terminal
on the terminal block.
2.6.2 Connecting Low DC Power
RUGGEDCOM RS900'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. Secure the power terminal block to the device.
RUGGEDCOM RS900
Installation Manual, 04/2022, C79000-G8976-1024-14
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Siemens SIMATIC NET RUGGEDCOM RS900 Specifications

General

Brand	Siemens
Model	SIMATIC NET RUGGEDCOM RS900
Category	Switch
Language	English