Siemens SIMATIC NET Installation Manual - Page 26

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2.6.2

Connecting Low DC Power

RUGGEDCOM RS900F'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).

RUGGEDCOM RS900F

Installation Manual, 04/2021, C79000-G8976-1350-07

Positive Terminal

Negative Terminal

Surge Ground Terminal

Braided Ground Cable

Figure 2.7

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.

Installing the Device

2.6.2 Connecting Low DC Power