How to connect PM571 PLC to HMI CP620 using modbus rs485
Hi, i want to connect PLC PM571 using com1 to HMI CP620 using rs485.
pllease tell me about connection cable and how to configure in PLC and HMI software.
Thanks,
Voted best answer
Here i attached the RS485 pin details of HMI cp620.
verify that +,- pin in your PLC side.
Answers
Here i attached PM571 plc COM1,COM2 details.
make a pin connection as per this pin details
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