Mitsubishi AL2-14MR-A Quick Start Up Guide

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2.2 24V DC Power Supply, Inputs and Outputs
When wiring DC supplies the “positive” cable should be connected to the "+" terminal and the
negative cable should be connected to the “-” terminal. Do NOT connect the “positive” wire to
the “-” terminal. A 24V DC Alpha may be wired to use sourcing inputs or sinking inputs.
2.2.1 Wiring Sourcing DC Input Terminals
Follow this diagram for 24V DC “source” inputs (the positive terminal is common). Take
special care to wire a link from the negative terminal (-) to the A terminal. This link lets the
Alpha know that the inputs will be sourcing.
2.2.2 Wiring Sinking DC Input Terminals
Follow this diagram for 24V DC “sink” inputs (the negative terminal is common). Take special
care to wire a link from the positive terminal (+) to the B terminal.
Q u i c k S t a r t G u i d e
Mitsubishi Alpha / Alpha2
Programmable Controller

Mitsubishi AL2-14MR-A Specifications

General

Brand	Mitsubishi
Model	AL2-14MR-A
Category	Controller
Language	English