Connecting Low Dc Power - Siemens SIMATIC NET RUGGEDCOM RS900L Installation Manual

Installing the Device
2.6.2 Connecting Low DC Power
3.
4.
2.6.2

Connecting Low DC Power

RUGGEDCOM RS900L'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.
16
2 2
1 3 1
Positive Terminal
1
Negative Terminal
2
Surge Ground Terminal
3
Braided Ground Cable
4
Figure 2.6 Terminal Block Wiring – Dual DC Power Supply Inputs
Connect the negative wire from the power source to the negative/neutral (-/N)
terminal on the terminal block.
Connect the ground wire from the power source to the chassis groun terminal
on the terminal block.
Secure the power terminal block to the device.
4
± ±
± ±
Installation Manual, 04/2021, C79000-G8976-1027-09
RUGGEDCOM RS900L