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9.2 Create a sample program for MELSECNET(ΙΙ) or MELSECNET/B link refresh using A/QnA -> Q conversion support tool
Step 4: Link refresh device setting
Set link refresh devices for the CPU module side.
(a) Set MELSECNET(ΙΙ) local station's special link relay and link special registers as the link refresh devices
on the CPU module side.
Device numbers are fixed when the device name is SM or SD.
For other device names, device numbers can be specified.
Link refresh is not performed if the "Device name" column is blank.
(b) Set link devices to be refreshed on the CPU module side.
When the start number is set, the following points are automatically occupied.
B/W: 1024 points (for MELSECNET mode)
4096 points (for MELSECNET ΙΙ composite mode)
X/Y: 2048 points
Note that the actual link refresh points are the ones set for "Network range assignment" in the master
station (M) network parameter.
(c) Create a link refresh sample program using the settings in "Step 3" and "Step 4".
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(c)
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(b)
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