4
2
Controller
CTDS/MCTDS5
(Master)
External device
PC/AMS/PLC
(Slave)
Cyclic communication
Controller write to external device
REQ0(send/sec.)
CMD0(send/sec.)
Controller respond time
Barcode input to controller
REQ1
Controller feedback time
CMD0
Data write in to controller
DATA0(check column 6 if it’s new data)
CMD0
Controller feedback time