Data Format; For Ascii Mode; For Rtu Mode - Delta VFD-B User Manual

Chapter 5 Parameters|VFD-B Series
Character
ASCII code
RTU mode:
Each 8-bit data is the combination of two 4-bit hexadecimal characters. For example, 64
Hex.

2. Data Format

For ASCII mode:

( 7.N.2)
Start
bit
( 7.E.1)
Start
bit
( 7.O.1)
Start
bit

For RTU mode:

( 8.N.2 )
Start
bit
( 8.E.1 )
Start
bit
( 8.O.1 )
Start
bit
3. Communication Protocol
5-84
'8' '9'
38H 39H
0 1 2 3
7-bit character
10-bit character frame
0 3
1 2
7-bit character
10-bit character frame
0 1 2
7-bit character
10-bit character frame
0 1 2 3
8-bit character
11-bit character frame
0 1 2 3
8-bit character
11-bit character frame
0 1 2 3
8-bit character
11-bit character frame
'A' 'B' 'C'
41H 42H 43H
4 5 6
4 5 6
3 4 5 6
4 5 6
4 5 6
4 5 6
Revision July 2008, BE16, SW V4.08 & V5.00
'D' 'E'
44H 45H
Stop
Stop
bit
bit
Even
Stop
parity
bit
Odd
Stop
parity
bit
Stop Stop
7
bit bit
Even
Stop
7
parity
bit
Odd
Stop
7
parity
bit
'F'
46H