7.3.2 How to Replace Input/Output Modules
This section explains how to install an I/O module in a safety control unit or safety node unit
(hereafter referred to as a node), and how to remove the module from a node. I/O modules
can be removed and installed without turning of
f the power supply of the node.
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Removing from and Installing on Base Units
I/O module
Mounting screw
Base unit
Figure 7.3.2-1 Removing I/O Modules
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Removal Procedure
1.
Remove the cables for external wiring and terminal block.
2. Remove the fixing screws in one place at the upper part and one place at the lower part
of the I/O module.
3. Pull the I/O module forward and remove it from the base unit.
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Installation Procedure
1. Install the I/O module following the steps of the "Removal Procedure" in the reverse or-
der.
2. The tightening torque of the fixing screws should be approximately 0.5 N•m.
3. Install the cables for external wiring and terminal block.
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Procedures for Removing and Installing Terminal Blocks
Remove the connector cover part of the external connection cable (if connecting via a MIL
connector) or the terminal block (if connecting via a pressure clamp terminal block) before re-
placing the I/O module.
<7.3 Replacing Input/Output Modules > 7-23
IM 32Q06C10-31E 4th Edition : Jan.30,2015-00
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