hi all,
mapper connects to modbus devices in modbus-TCP mode,can connect to a device,But the HoldRegister data type read failed.
The questions are as follows:
"read tcp ip:port->device IP:502 i/o timeout",ping device ip address is OK,the ip address of the telnet device and port 502 are normal.The error location is twindata.go line 127
hi all, mapper connects to modbus devices in modbus-TCP mode,can connect to a device,But the HoldRegister data type read failed. The questions are as follows: "read tcp ip:port->device IP:502 i/o timeout",ping device ip address is OK,the ip address of the telnet device and port 502 are normal.The error location is twindata.go line 127