I have a problem in my modbus network, I am trying to make an rs485 connection with an external device from my v1040 plc. but the output bit is always active and because of that I have no communication with my external equipment. can you help me with any help?
Unable to communicate by Modbus RTU
in Vision & Samba PLC + HMI Controllers & VisiLogic Software
Posted
Hi
I have a problem in my modbus network, I am trying to make an rs485 connection with an external device from my v1040 plc. but the output bit is always active and because of that I have no communication with my external equipment. can you help me with any help?