12. CC-Link CONNECTION (INTELLIGENT DEVICE STATION)
12.4 PLC Side Setting
12 - 37
CC-Link CONNECTION (INTELLIGENT DEVICE STATION)
12
(d) Example of sequence program (FROM/TO instruction)
When changing the sequence program
After writing the sequence program to the PLC CPU, operate the PLC CPU ether turning OFF and then ON or resetting.
Data link
startup
normal
completion
(buffer memory)
Data link
startup
abnormal
completion
(buffer
memory)
Turn on only during 1 scan after RUN
Module
ready
Module error
Module
ready
Module error
Number of connected
modules (1 module)
Number of retry (3 times)
Number of automatic
return stations (1 station)
Reserved station
specification
(No specification)
Refresh instruction
Data link startup request
(buffer memory address)
Error code reading
(SW0068)
Error invalid station
specification
(No specification)
Station data (Intelligent
device station, exclusive
station 1, station No. 1)
Operation specification in
the case of CPU failure
(Stop)
* Parameter setting
* Refresh instruction
* Data link with buffer memory parameters
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