Disassembling a Module with an Option Adapter

Overview

The three-tiered assembly is designed to fit together tightly so it can withstand shock and vibration in an operating environment.

This section contains two procedures:

Tools Required

Flat-head screwdriver.

Procedure 1

Follow the steps in the table below to remove the assembled option adapter and M1 processor adapter from the I/O base.

Step	Action
1	Make sure that the power is off by removing the terminal connectors from the I/O base.
2	Remove the assembled unit from its wall or DIN rail mounting surface.

NOTICE

RISK OF DETERIORATION OF CIRCUITRY IN BATTERY COMPARTMENT

Use care when you insert a screwdriver in the battery compartment so that you do not scratch any exposed elements.

Failure to follow these instructions can result in equipment damage.

Step	Action
3	Open the battery door and use a flat-head screwdriver to release snaps 1 and 2 as shown in the illustration below.
4	Once snaps 1 and 2 have been disengaged, use the screwdriver to release snaps 3 and 4 on the front of the assembly.
5	Gently lift the stirrup on the back of the option adapter with your fingers until it disengages from the bottom of the I/O base. Then lift the option adapter and M1 assembly from the I/O base.
6	Follow the directions in the next procedure to remove the option adapter from the Processor.

Procedure 2

Follow the steps in the table below to remove the option adapter from the M1 processor.

Step	Action
1	Use a screwdriver to push the clips on both sides of the adapter inward.
2	Lift off the adapter.