PUSR USR-DR13 Series - Modbus RTU;TCP Conversion

USR-DR13X User Manual
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Parameter Item
Description
Default value
Modbus Enabled
Whether to enable the Modbus gateway function
Modbus TCP/RTU: Enable Modbus RTU/TCP protocol conversion.
Modbus Poll: Enable Modbus polling function.
Close
Modbus Reporting
JSON: In Modbus poll mode, USR-DR13X will convert the Modbus RTU data
returned by the serial port device into JSON format and reports it to the network
device.
Penetrate: In Modbus poll mode, USR-DR13X will report Modbus RTU data to
the network device in original format.
This parameter is not valid in Modbus RTU/TCP mode.
JSON
Poll Timeout
After enabling the Modbus poll function, if the USR-DR13X does not receive a
response from the serial device within the specified time, it will send the next
Modbus query command.
Range: 50~65535ms
200ms
Poll Interval
After enabling the Modbus poll function, USR-DR13X will will send Modbus
query commands according to the set time interval.
Range: 1~65525ms
10ms
Abnormal Response
Open: Send abnormal response to network end
Close: Not send abnormal response to network end
Open
5.2. Modbus RTU/TCP conversion
The USR-DR13X series support Modbus protocol conversion.