Delta VFD-B Series, Руководство пользователя

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Chapter 5 Parameters
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VFD-B-P Series
Revision April 2009, SW V1.00 5-85
( 7.N.2)
( 7.E.1)
Start
bit
0 1 2 3 4 5 6
Stop
bit
10-bit character frame
( 7.O.1)
Odd
parity
Start
bit
0 1 2 3 4 5 6
Stop
bit
10-bit character frame
Even
parity
Start
bit
0 1 2 3 4 5 6
Stop
bit
7-bit character
10-bit character frame
Stop
bit
7-bit character
7-bit character
For RTU mode:
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
3. Communication Protocol
3.1 Communication Data Frame:
ASCII mode:
STX Start character ‘:’ (3AH)
Address Hi
Address Lo
Communication address:
8-bit address consists of 2 ASCII codes
Function Hi
Function Lo
Command code:
8-bit command consists of 2 ASCII codes