Chapter 4 Parameters|
4-72 Revision July 2008, EG03, SW V1.06
Character ‘0’ ‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’ ‘7’
ASCII Code 30H 31H 32H 33H 34H 35H 36H 37H
Character ‘8’ ‘9’ ‘A’ ‘B’ ‘C’ ‘D’ ‘E’ ‘F’
ASCII Code 38H 39H 41H 42H 43H 44H 45H 46H
RTU mode:
Each 8-bit is the combination of two 4-bit hexadecimal characters. For example, 64 Hex.
2. Data format
2.1 10-bit character frame (for 7-bit):
(7, N, 2: 9-04=0, 9-05=0)
0123456
Start
bit
Stop
bit
Stop
bit
7-bit character
10-bit character frame
(7, E, 1: 9-04=0, 9-05=04)
0123456
Start
bit
Even
parity
Stop
bit
7-bit character
10-bit character frame
(7, O, 1: 9-04=0, 9-05=05)
0123456
Start
bit
Odd
parity
Stop
bit
7-bit character
10-bit character frame
2.2 11-bit character frame (for 8-bit):
(8, N, 2: 9-04=1 or 2, 9-05=00)
01234567
Start
bit
Stop
bit
Stop
bit
8-bit character
11-bit character frame
