Moxa PT-508-2MTRJ-48 [9/15] Attention

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Wiring the Power Input (110/220 VDC/VAC model)

The PT-508 unit (110/220 VDC/VAC model) has one set of power input—

Pin 1(Neutral) and Pin5(Line). To insert the terminal block connector

prongs into the terminal block receptor on this PT-508 unit properly.

Please take the following steps to wire the power input. Top and front

views of one of the terminal block connectors are also shown below.

Take the following steps to wire the power input:

STEP 1: Insert the Neutral/Line AC or Negative/Positive DC wires into the

terminals (Terminal 1 for Neutral/Negative and Terminal 5 for

Line/Positive) of the terminal block connector.

STEP 2: To keep the AC or DC wires from pulling loose, use a small

flat-blade screwdriver to tighten the wire-clamp screws on the front of the

terminal block connector.

STEP 3: Insert the plastic terminal block connector prongs into the

terminal block receptor, which is located on the PT’s bottom panel.

NOTE: The PT-508 unit (110/220 VDC/VAC model) has the reverse

protection mechanism for 110/220 VDC input.

ATTENTION

Before connecting the PT to the DC power inputs, make sure the

DC power source voltage is stable.

Wiring the Digital Inputs

The PT-508 unit has one set of digital input, DI 1. The DI consists of two

contacts from the 4-pin terminal block connector on the PT’s bottom

panel. The remaining contacts are used for the PT’s Relay 1. Top and front

views of one of the terminal block connectors are shown below.

Take the following steps to wire the digital input:

STEP 1: Insert the negative (ground)/positive DI wires into the ┴/I1

terminals.

STEP 2: To keep the DI wires from pulling loose, use a small flat-blade

screwdriver to tighten the wire-clamp screws on the front of the terminal

block connector.

STEP 3: Insert the plastic terminal block connector prongs into the

terminal block receptor, which is located on the PT-508’s bottom panel.