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3.2
System configuration example
1.
Programmable controller side:
Load the "RJ61BT11", "QJ61BT11N", "L26CPU-BT", "L26CPU-PBT" or "LJ61BT11" type CC-Link system master/local
module on the main or extension base unit having the programmable controller CPU used as the master station.
2.
Inverter side:
Mount the plug-in option (FR-A8NC) on the inverter.
3.
Connect the master station of the CC-Link programmable controller unit to the CC-Link communication connector of FR-
A8NC with the CC-Link dedicated cable.
Manual of the CC-Link master station
RJ61BT11 type
CC-Link System Master/Local Module
User's Manual ...SH-081270ENG
QJ61BT11N type
CC-Link System Master/Local Module
User's Manual ...SH-080394E
L26CPU-BT type/L26CPU-PBT type/LJ61BT11 type
CC-Link System Master/Local Module
User's Manual ...SH-080895ENG
NOTE
• When the CPU has automatic refresh function
When the END instruction is executed by the programmable controller CPU, the buffer memory is automatically refreshed to
enable communication with a remote device.
• When the CPU does not have automatic refresh function
Sequence ladder logic is configured to perform direct communication with the buffer memory of the master station and to
enable communication with a remote device.
Master
station
QJ61BT11N,
etc.
Terminating
resistor
Power
supply
CC-Link dedicated cable
Inverter
Inverter
Up to 42
units can be
connected
when only
inverters are
connected
Power
M
supply
Remote device station
WIRING
3
Terminating
resistor
M
29
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