Table of Contents
Advertisement
4 FUNCTIONS
4 - 3
(b)
When starting I/O communication automatically at power-up
Set "Start" in Automatic Communication Start Setting (address: 0631
Module Ready (X0F)
I/O Communication
Request (Y11)
I/O Communicating
(X01)
Error Set Signal for
Master Function (X03)
Error Information for
Master Function (01B1
)
H
Parameters for Master
Function (01D4
to 03CF
)
H
H
Master Function Receive
Data (0700
to 07FF
)
H
H
Master Function Transmit
Data (0900
to 09FF
)
H
H
1)
Save the following parameters to the flash ROM in advance.
• Parameters for Master Function (address: 01D4
• Auto Communication Start Setting (address: 0631
2)
When the power is turned ON, parameters saved in the flash ROM is
loaded into the buffer memory automatically.
Module Ready (X0F) is set to ON, and the parameters are checked.
3)
When the parameter check is succeeded, I/O communication with
each slave node is started and I/O Communicating (X01) is set to ON.
• The status of input from each slave node is stored in Master
Function Receive Data (address: 0700
• The ON/OFF information to each slave node is set in Master
Function Transmit Data (address: 0900
4)
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.
Check the error code in Error Information for Master Function
(address: 01B1
5)
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.
2)
1)
), and take corrective actions.
H
MELSEC-Q
3)
4)
MOV/FROM
instruction
Parameter
check
MOV/FROM
instruction
MOV/TO
instruction
to 03CF
H
)
H
to 07FF
).
H
H
to 09FF
).
H
H
).
H
5)
)
H
4 - 3
Advertisement
Table of Contents
Troubleshooting
