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3 . I n s t r u c t i o n S e t
M N050 03003E F or mo re infor ma tio n vi sit:
w w w. e a t o n . c o m
3-233
COM1
COM2
COM3
Function Description
Errors
- 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
1110(HE): 31250
bps
b4
b5
b6
b7
Baud rate
1111(HF): 921000
bps
(ELCM-PH/PA COM2
/ COM3 support)
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
6.
When RS instruction is applied for communication between ELC and peripheral devices on
COM2 RS-485, usually STX (Start of the text) and ETX (End of the text) have to be set into
communication format. In this case, b8~10 of D1120 should be set to 1, so that users can set
up STX/ETX as user-defined or system-defined by using M1126, M1130, and D1124~D1126.
For settings of M1126 and M1130, please refer to the following table.
Содержание ELC-PB
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