2.5.2 Connecting Low Dc Power - Siemens SIMATIC NET RUGGEDCOM RS930L Installation Manual

Installing the Device
2.5.2 Connecting Low DC Power
3.
4.
2.5.2 Connecting Low DC Power
RUGGEDCOM RS930L'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.
12
Braided Ground Cable
4
Figure 2.5 Terminal Block Wiring
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, 11/2022, C79000-G8976-1034-11
RUGGEDCOM RS930L