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1. PREPARATORY PROCEDURES FOR MONITORING
1.3 Option Devices for the Respective Connection
When using a MELSECNET/H communication unit, CC-Link IE Controller Network
communication unit, CC-Link IE Field Network communication unit, or CC-Link communication
unit (GT15-J61BT13)
Install a MELSECNET/H communication unit, CC-Link IE Controller Network communication unit, CC-Link IE Field
Network communication unit, or CC-Link communication unit in the 1st stage of an extension interface.
If a bus connection unit is installed in the 2nd stage or above, the unit cannot be used.
Example: When installing a MELSECNET/H communication unit and a serial communication unit
When using a serial communication unit
A serial communication unit can be installed in any position (1st to 3rd stage) of the extension interface.
When using the sound output unit or external I/O unit
The sound output unit or external I/O unit can be installed in any position (1st to 3rd stage) of the extension interface.
Example: When installing a sound output unit
Serial communication unit
MELSECNET/H
communication unit
MELSECNET/H
communication unit
Serial communication unit
Serial
communication
unit
Serial
communication
unit
Sound output
unit
Communication
unit
Sound output
unit
Communication
unit
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