Modbus Communication
‑34‑
by 10. According to the communication configuration, the D component address of
the bus voltage is D300. Convert D300 to a floating‑point number and then divide
this value by 10.
The following figure shows the configuration and the program.
4. Read the output voltage.
Convert the output voltage address U003 to 7003 based on the conversion rule. The
read value is the actual output voltage. According to the communication
configuration, you only need to move the value of D302 to another D component
(or not).
The following figure shows the configuration and the program.
5. Read the output current.
Convert the output current address U004 to 7004 based on the conversion rule. The
actual output current is the read output current divided by 100.
The following figure shows the configuration and the program.
6. Read the AC drive state.
Read 3000H to directly obtain the current state of the AC drive (1: Running in
forward direction; 2: Running in reverse direction; 3: Stopped).
The following figure shows the configuration and the program.
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