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7 PROGRAMMING FOR EXECUTING THE MASTER FUNCTION
I/O communication function
1st slave node: Node No.1
2nd slave node: Node No.2
3rd slave node: Node No.4
4th slave node: Node No.3
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(b)
Writing intelligent function module parameters (Refer to Section 6.3.3.)
Write parameters of the intelligent function modules (auto refresh settings)
to the CPU module.
Perform this operation from the screen for selecting a target intelligent
function module.
(3)
Program example
Setting parameters for master function (See Section 7.3.)
Error handling program for node No.1
Input data processing program for node No.1
Error handling program for node No.2
Output data processing program
for node No.2
Error handling program for node No.4
Input data processing program for node No.4
Output data processing program
for node No.4
Error handling program for node No.3
Input data processing program for node No.3
POINT
To ensure consistency of transmit/receive data of multiple words, take a measure
such as providing a handshake area at the end of transmit/receive data to check
the data transfer.
For the program example, refer to Section 7.1 (4).
MELSEC-Q
Sets I/O Communication
Request to ON.
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Troubleshooting
