Mitsubishi Electric QJ71DN91 User Manual page 32

3 SPECIFICATIONS
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(b) When starting I/O communication automatically at power-up
Set "Start" in Automatic Communication Start Setting (address: 0631
• When power is turned ON, Module Ready (X0F) is set to ON and
parameters are checked.
• If the parameter check is completed successfully, I/O communication with
each slave node is started and I/O Communicating (X01) is set to ON.
• If the parameter check has failed, the ERR. LED lights up and Error Set
Signal for Master Function (X03) is set to ON. At this time, I/O
Communicating (X01) is not set to ON.
For details of Error Set Signal for Master Function (X03), refer to Section
(4).
• Setting I/O Communication Request (Y11) to ON and then OFF stops I.O
communication with each slave node, causing I/O Communicating
(X01)to turn OFF.
When parameter check completed successfully
Module Ready (X0F)
I/O Communicating (X01)
When parameter check failed
Module Ready (X0F)
I/O Communicating (X01)
Error Set Signal for
Master Function (X03)
Parameter
check
OFF
Parameter
check
MELSEC-Q
).
H
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