Moxa СРАВНИТЬ [13/56] Wiring the power inputs

Moxa СРАВНИТЬ [13/56] Wiring the power inputs
DA-820 Series Hardware Installation
2-3
Wiring the Power Inputs
Refer to the following diagrams and table for a detailed description of the power input wiring. The terminal
numbers referred to in the table are shown in the leftmost diagram below.
Terminal Number Description Note
1 PWR1 Line
PWR1 Line (+)
is connected to the Line terminal for the AC
power source.
2 PWR1 Neutral
PWR1 Neutral (–) is connected to the Neutral terminal for
the AC power source.
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. 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. 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
PWR2 Line (+) is connected
to the Line terminal for the AC
power source.
10 PWR2 Neutral
PWR2 Neutral (-) is connected to the Neutral terminal for
the AC power source.
For AC Power Input
1. PWR1 Line should be connected to AC (Line).
2. PWR1 Neutral should be connected to AC (Neutral).

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