User guide

3: INSTALLATION AND WIRING

« FC4A MICROSMART USER’S MANUAL » 3-5

Removing the Terminal Blocks

This section describes the procedures for removing the terminal blocks from slim type CPU modules FC4A-D20RK1 and

FC4A-D20RS1.

1. Before removing the terminal blocks, disconnect all

wires from the terminal blocks.

Remove the shorter terminal block on the left ﬁrst,

then remove the longer one on the right.

2. When removing the longer terminal block, hold the

center of the terminal block, and pull it out straight.

3. Do not pull one end of the longer terminal block,

otherwise the terminal block may be damaged.

Caution

• Turn off the power to the MicroSmart before installing or removing the terminal blocks to pre-

vent electrical shocks.

• Use the correct procedures to remove the terminal blocks, otherwise the terminal blocks may be

damaged.

First, remove the

shorter terminal

block.

Next, remove the

longer terminal

block.

FC4A-D20RK1 and FC4A-D20RS1