Delta VFD-E Series, User Manual

Page: 193 / 435

Chapter 4 Parameters 
4-138
Start
bit
0 1 2 3 4 5 6
Stop
bit Stop
bit
8-bit character
11-bit character frame
( 8.N.2 )
Start
bit
0 1 2 3 4
5
6
Even
parity
Stop
bit
11-bit character frame
( 8.E.1 )
Start
bit
0 1 2 3 4 5 6
Stop
bit
11-bit character frame
( 8.O.1 )
Odd
parity
7
7
7
8-bit character
8-bit character
Start
bit
0 1 2 3 4 5 6
Stop
bit
8-bit character
10-bit character frame
( 8.N.1 )
Start
bit
0 1 2 3 4 5 6
Even
parity
Stop
bit
12-bit character frame
( 8.E.2 )
Start
bit
0 1 2 3 4 5 6
Stop
bit
12-bit character frame
( 8.O.2 )
Odd
parity
7
7
7
8-bit character
8-bit character
Stop
bit
Stop
bit
 3. Communication Protocol
3.1 Communication Data Frame:
ASCII mode:
STX Start character ‘:’ (3AH)
Address Hi Communication address:
8-bit address consists of 2 ASCII codes
Address Lo
Function Hi Command code:
8-bit command consists of 2 ASCII codes
Function Lo
DATA (n-1)
to
DATA 0
Contents of data:
Nx8-bit data consist of 2n ASCII codes
n<=20, maximum of 40 ASCII codes