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Checks and Preparation
2.10 Mounting and Removing the Input Terminal Unit
This section describes how to mount and remove the input terminal unit.
CAUTION
Make sure that the power supply has been turned off before mounting or removing the input terminal unit.
Mounting the Input Terminal Unit
(1) Remove the cover from the input terminal mounting area.
(2) As shown in the figure below, insert the input terminal unit in the GL450. At this time, be sure
to check that the terminal unit is locked onto the connector.
Removing the Input Terminal Unit
(1) Remove the cover from the input terminal mounting area.
(2) Press down on the lock button while pulling the input terminal unit towards you. At this time,
grip the input terminal unit firmly while removing it.
(3) Replace the cover for the input terminal mounting area.
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