Data Format
ASCII Mode: 10-bit character frame (For 7-bit character):
9-02 = 0 (7 data bits, no parity, 2 stop bits)
9.02 = 01 (7 data bits, even parity, 1 stop bit)
9-02 = 2 (7 data bits, odd parity, 1 stop bit)
RTU Mode: 11-bit character frame (For 8-bit character):
9-02 = 3 (8 data bits, no parity, 2 stop bit)
9-02 = 4 (8 data bits, even parity, 1 stop bit)
GS1 Series AC Drive User Manual
5–17
Chapter 5: GS1 MODBUS Communications