CAI 700M - Instruction Command

700M HFID 6-2-15
152
Instruction Command
Byte
Character
Explanation
1
st
Byte
STX
ASCII Code 02
2
nd
Byte
Don’t Care
Any ASCII code
3
rd
Byte
Function Code 1
AK instruction, e.g. ASTF
4
th
Byte
Function Code 2
AK instruction, e.g. ASTF
5
th
Byte
Function Code 3
AK instruction, e.g. ASTF
6
th
Byte
Function Code 4
AK instruction, e.g. ASTF
7
th
Byte
Blank
8
th
Byte
K
9
th
Byte
0
10
th
Byte
Blank
D
AK instruction parameters; lengths variable
A
AK instruction parameters; lengths variable
T
AK instruction parameters; lengths variable
A
AK instruction parameters; lengths variable
nth Byte
ETX
ASCII Code 03
Example:
<STX> 02H Example: ASTZ K0
Don’t Care Any byte (default 20H)
Function Code Code 4 bytes long (e.g. ASTZ)
Space 20H 20H
Channel N° Always “K0” for the analyzer
Space 20H (only if followed by data, otherwise <ETX>)
Data Data bytes (depending on the command)
<ETX> 03H