6 EXCHANGING DATA WITH AN EXTERNAL DEVICE
1) Program for setting transmission data
6 - 21
MELSEC-A
Change to bank 1
Dummy area
Set station No., request
code
Set transmission buffer
write data size
Quantity (Fixed)
Access code, attribute
(Fixed)
Set R2 transmission area
address
Set No. of write points
Set transmission data
size
Set transmission data
(A(41
), B(42
))
H
H
Set transmission data
(C(43
), D(44
))
H
H
Set transmission data
(E(45
), F(46
))
H
H
Store control data
+ transmission data
Change to bank 0
Set intelligent device
station access request
Reset intelligent device
station access request
Complete transmission
data setting