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SERVOPRO CHROMA Gas Analyser
119
04400001A / Revision 7
11.4 Enable-Disable Calibration
Character
No
Character
ASCII Code
No (hex)
Character
No
Character
ASCII Code
No (hex)
Meaning
1
>
3Eh
1
>
3Eh
2
D
44h
2
D
44h
Command ID
3
0 or 1 (0 = disable / 1 = enable)
30h or 31h
3
1
31h
Success
4 (chksm)
t or u
74h or 75h
4 (chksm)
u
75h
5
<
3Ch
5
<
3Ch
1
>
3Eh
2
D
44h
3
0
30h
4 (chksm)
t
74h
5
<
3Ch
Failure
K4000
Request / Command
Response
Table 28 : RS-232 Enable-Disable Calibration
11.5 Respan
Character No
Character (meaning)
ASCII Code
No (hex)
Character No Character
ASCII Code
No (hex)
Meaning
1
>
3Eh
1
>
3Eh
2
E
45h
2
E
45h
command ID
3
Any number from 1 to 9 (number of the
31h to 39h
3
0 or 1
30h or 31h
0 = Failure, 1 = Success
calibration point if multi-point)
4
u or v
75h or 76h
Checksum
4 (Peak 1)
0 or 1 (0 = don't respan, 1 = respan)
30h or 31h
5
<
3Ch
5 (Peak 2)
0 or 1
30h or 31h
6 (Peak 3)
0 or 1
30h or 31h
7 (Peak 4)
0 or 1
30h or 31h
8 (Peak 5)
0 or 1
30h or 31h
9 (Peak 6)
0 or 1
30h or 31h
10 (Peak 7)
0 or 1
30h or 31h
11 (Peak 8)
0 or 1
30h or 31h
12 (Peak 9)
0 or 1
30h or 31h
13 (Peak 10)
0 or 1
30h or 31h
14 (Chksm)
X
15
<
3Ch
K4000
Request / Command
Response
Table 29 : RS-232 Respan
11.6 Change Configuration
Character
No
Character
ASCII Code
No (hex)
Character
No
Character
ASCII Code
No (hex)
Meaning
1
>
3Eh
1
>
3Eh
2
F
46h
2
F
46h
Command ID
3
1 or 9 (Configuration Number)
30h to 39h
3
1
31h
Success
4 (chksm)
Checksum
70h to 7Fh
4 (chksm)
w
77h
5
<
3Ch
5
<
3Ch
1
>
3Eh
2
F
46h
3
0
30h
4 (chksm)
v
76h
5
<
3Ch
Failure
K4000
Request / Command
Response
(It will take approximately 30
to 45 seconds for the
analyser PC to re-boot after
the success response )
Table 30 : RS-232 Change Configuration
When the analyser is configured for use with different background gases, the
configuration may be switched using a remote command via the RS-232.