Moxa DA-681-I-DP-LX [20/52] Da 681 series embedded computer hardware installation

Moxa DA-681-I-DP-LX [20/52] Da 681 series embedded computer hardware installation
DA-681 Series Embedded Computer Hardware Installation
2-8
Power Input Wiring Description
Read the following section for a detailed power input wiring description.
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 supply surge grounds via a
removable jumper.
8 PWR2 Surge Ground PWR2 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.
9 PWR2 Line/ DC + PWR2 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.

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