+ Remote I/O
communications
When communications is started, the data in the read/write tables is auto
matically written or read. To write data to the digital controller from the
master, set the controller to the remote mode." Data cannot be written
in the local mode." When the data assignment parameters are trans
mitted at their defaults, the write and read areas are configured as below;
Output
area
Master
Input
area
Write Area
Assignment
Write Data
No.
1
Set point
2
Alarm value 1
3
Alarm value 2
4
Operation instruction
Read Area
Assignment
Read Data
No.
1
PV monitor
2
Manipulated variable (heat)
3
Status A
6–3