Moxa DA-681-I-DP-CE Manual de usuario descargar pdf (Pagina 22)

DA-681 Series Hardware User’s Manual Hardware Installation

Power Input Wiring Description

Read the following section for a detailed power input wiring description.

1 3 5 7 92

4 6 8 10

PWR1 PWR2

+/L /N

Terminal Number Description Note

1 PWR1 Line / DC +

PWR1 Line / DC + is connected to the

positive (+) terminal if the power source is

DC, or to the Line terminal if the power

source is AC.

2 PWR1 Neutral / DC –

PWR1 Neutral / DC – is connected to the

negative (–) terminal if the power source is

DC, or to the Neutral terminal if the power

source is AC.

3 PWR1 Surge Ground

PWR1 Surge Ground is connected to the

Chassis Ground via a jumper on the

terminal block. Surge Ground is used as

the ground conductor for all surge and

transient suppression circuitry. NOTE:

Surge Ground must be disconnected from

Chassis Ground during HIPOT (dielectric

strength) testing.

4 Chassis Ground

Chassis Ground is connected to the Safety

Ground terminal for AC inputs, or the

equipment ground bus for DC inputs.

Chassis ground connects to both power

supply surge grounds via a removable

jumper.

5 NC

No function

6 NC

No function

7 Chassis Ground

Chassis Ground is connected to the Safety

Ground terminal for AC inputs or the

equipment ground bus for DC inputs.

Chassis ground connects to both power

2-9

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