D2 Drive User Guide v1.8 D. Modbus Communication
HIWIN Mikrosystem Corp. 280
D.1. Modbus communication specification
The Modbus communication specification for D2-series drives is shown in the following table.
Table D-1
Asynchronous (half duplex)
2,400, 4,800, 9,600 (default), 14,400, 19,200, 38,400 bps
Even (default), odd, none
Note 1. The data length in the RTU communication protocol is 8 bits; while that in the ASCII
communication protocol is 7 bits.
Note 2. The stop bit for the odd parity and even parity is 1 bits; while that for the none parity is 2 bits.