More THan 8 serial communications, how to program?
THe system needs to use 9 serial communication,
THerefore, THe installation of 5 CJ12-SCU21-V1 serial communication module,
First serial communication code for LD A202.00, PMCR (260) #112, #0, E0_10
Communicate wiTH Kean scan code device
THe scan code content, I would like to ask how THe serial port, PLC how to set up, as well as specific procedures to write serial port and degree of serial port. I tried for several days wiTHout succe