5 COMMUNICATION USING GENERAL-PURPOSE INPUT/OUTPUT
5.2 PLC CPU
Communications Module (About Output Device Y)
5 - 4
Controls the value of Special Variable (B@) using the output Y in the sequence
program.
When the output device Y is turned ON/OFF using the sequence program, the next
corresponding output device is turned ON/OFF in the communication module.
Example
For AD51H-S3
When the starting
input number of
the communications
module is 40
.
H
Values specified by
special variable (B@)
The device number of output Y specified by special
variable (B@) has a fixed value of 0 through 1F
regardless of the slot mounted on the communications
module.
40
to 4F
50 to 6F
Open
General-purpose
output
Y
0 to 1F
MELSEC-Q
H
5 - 4