Siemens SIMATIC NET Manual de instalación - Página 21

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Installing the Device

2.4.2 Connecting DC Power

2.4.2

Connecting DC Power

To connect a high or low DC power supply to the device, do the following:

Electrical hazard – risk of damage to equipment

Before testing the dielectric strength (HIPOT) in the field, remove the braided

ground cable connected to the surge ground terminal and chassis ground. This cable

connects transient suppression circuitry to chassis ground and must be removed to

avoid damage to transient suppression circuitry during testing.

NOTICE

Connect the positive wire from the power source to the positive/live (+/L)

terminal on the terminal block.

Positive/Live (+/L) Terminal

Negative/Neutral (-/N) Terminal

Surge Ground Terminal

Braided Ground Cable

Figure 2.5

Terminal Block Wiring

Connect the negative wire from the power source to the negative/neutral (-/N)

terminal on the terminal block.

Using a braided wire or other appropriate grounding wire, connect the surge

ground terminal to the chassis ground connection. The surge ground terminal

is used as the ground conductor for all surge and transient suppression circuitry

internal to the unit.

Connect the ground terminal on the power source to the chassis ground

terminal on the device.

Installation Manual, 04/2021, C79000-G8976-1008-10

RUGGEDCOM RMC30