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3. Instruction Set
3-219
COM1 COM2 COM3 Function Description
- M1141 -
MODRD/MODWR/MODRW parameter error
(Exception Code exists in received data)
Exception Code is stored in D1130
- M1142 -
Data receiving error of VFD-
A
handy instructions
(FWD/REV/STOP/RDST/RSTEF)
- D1130 -
COM2 (RS-485) Error code returning from
Modbus communication
5. Communication protocol settings: D1036(COM1 RS-232) / D1120(COM2 RS-485) /
D1109(COM3 RS-485)
Content
b0 Data Length
0: 7 data bits 1: 8 data bits
00: None
01: Odd
b1
b2
Parity bit
11: Even
b3 Stop bits
0: 1 bit 1: 2bits
0001(H1):110 bps
0010(H2): 150 bps
0011(H3): 300 bps
0100(H4): 600 bps
0101(H5): 1200 bps
0110(H6): 2400 bps
0111(H7): 4800 bps
1000(H8): 9600 bps
1001(H9): 19200 bps
1010(HA): 38400 bps
1011(HB): 57600 bps
1100(HC): 115200 bps
1101(HD): 500000 bps (COM2 / COM3)
1110 (HE): 31250 bps (COM2 / COM3)
b4
b5
b6
b7
Baud rate
1111 (HF): 921000 bps (COM2 / COM3)
b8 (D1120) STX 0: None 1: D1124
b9 (D1120) ETX1 0: None 1: D1125
b10 (D1120) ETX2 0: None 1: D1126
b11~b15 N/A