GD200A series VFD Communication protocol
-134-
The RTU request command is:
T1-T2-T3-T4 (transmission time of 3.5 bytes)
High bit of sub-function code
Low bit of sub-function code
T1-T2-T3-T4 (transmission time of 3.5 bytes)
The RTU response command is:
T1-T2-T3-T4 (transmission time of 3.5 bytes)
High bit of sub-function code
Low bit of sub-function code
T1-T2-T3-T4 (transmission time of 3.5 bytes)
9.4.1.4 Command code: 10H, continuous writing
Command code 10H means that if the master writes data to the VFD, the data number depends on
the "data number" in the command code. The max. continuous reading number is 16.
For example, write 5000(1388H) to 0004H of the VFD whose slave address is 02H and 50(0032H)
to 0005H, the frame structure is as below:
The RTU request command is:
T1-T2-T3-T4 (transmission time of 3.5 bytes)
To Next Page
Loading...
Need help?
General