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connect to modbus device failed #103

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Realexplorer opened this issue Apr 23, 2023 · 0 comments
Open

connect to modbus device failed #103

Realexplorer opened this issue Apr 23, 2023 · 0 comments

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@Realexplorer
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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
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@Realexplorer