The element allows to get data from MODBUS RTU device and to write data to MODBUS RTU device.
Requests for management:
addvirtual - add a virtual sensor. Extra options are:
...
<modbusrtu mb_raw_req="1F 04 00 00 00 02" mb_raw_ans="1F 04 04 43 63 55 19" mb_value="227.332413" /> |
Information about the writing test looks like:
<error type="no error" /> |
If an error occurs, example:
<modbusrtu mb_raw_req="20 04 00 00 00 02" mb_raw_ans="answer error" mb_value="value error"/> |
If no error occurs, the writing test looks like:
| <error type="no error" /> |
If Modbus is disabled or not supported:
...