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4.5 Replace MELSECNET/MINI(-S3) with CC-Link
4.5.2 Replace MELSECNET/MINI(-S3) with CC-Link (using wiring conversion adapter)
Solution and Benefit
By selecting modules with equivalent specifications, existing external wiring can be utilized when
replacing MELSECNET/MINI(-S3) systems with CC-Link.
The following is an example of replacing a MELSECNET/MINI(-S3) system with CC-Link using a wiring
conversion adapter.
● Instructions
(1) Remove the terminal blocks from existing MELSECNET/MINI(-S3) I/O modules, install them in the wiring
conversion adapters, and then mount them on the selected CC-Link remote I/O modules.
(2) Change the MELSECNET/MINI communication cables with CC-Link dedicated cables, and rewire
the power cables.
(1) System configuration example
Current configuration
A1S35B
After replacement
*1
A1S35B
CC-Link dedicated cable
*1: Terminating resistor
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MELSECNET/MINI
(Twisted pair cable)
Replace
Replace the link
module
AJ65BTB1-16D
(16 points)
A6ADP-1MC16D
Terminal block
AJ35TB1-16D
AJ35TB2-16D
(16 points)
(16 points)
Terminal block
Terminal block
To power
supply,
To I/O
AJ65BTB2-16D
(16 points)
A6ADP-2MC16D
Terminal block
To power
supply,
To I/O
102
AJ35TB1-16T
(16 points)
Terminal block
To power
To power
supply,
supply,
To I/O
To I/O
CC-Link I/O module
Wiring conversion
adapter
Existing
MELSECNET/MINI
terminal block
AJ65BTB1-16T
(16 points)
A6ADP-1MC16T
Terminal block
To power
To power
supply,
supply,
To I/O
To I/O
*1
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