AMA Instruments The GC 5000 BTX, Operating Manual, Page: 147 / 152

Operating Manual GC 5000 BTX; Version 5 – 11/2010 145
Field no. Start byte Data format Field description
19 41 b Serial number
20 42 b Monitoring instrument ID
instrument 4 (optional)
21 43
±
nnnn
±
ee
Measured value
22 51 b Operating status
23 52 b Error status
24 53 b Serial number
25 54 b Monitoring instrument ID
instrument 5 (optional)
26 55
±
nnnn
±
ee
Measured value
27 63 b Operating status
28 64 b Error status
29 65 b Serial number
30 66 b Monitoring instrument ID
instrument 6 (optional)
31 67
± nnnn ± ee
Measured value
32 75 b Operating status
33 76 b Error status
34 77 b Serial number
35 78 b Monitoring instrument ID
instrument 7 (optional)
36 79
±
nnnn
±
ee
Measured value
37 87 b Operating status
38 88 b Error status
39 89 b Serial number
40 90 b Monitoring instrument ID
instrument 8 (optional)
41 91
±
nnnn
±
ee
Measured value
42 99 b Operating status
43 100 b Error status
44 101 b Serial number
45 102 <ETX> End of text
46 103 <BCC1> Upper nibble
47 104 <BCC2> Lower nibble
From 21 or more monitoring instruments there are two length bytes:
Field no. Start byte Data format Field description
1 1 <STX> Start of text
2 2 bb Length bytes (Upper byte, lower
byte)
3 4 AD Telegram identification
4 6 b Number of monitoring
instruments to transmit data
5 7 b Monitoring instrument ID
instrument 1
6 8
±
nnnn
±
ee
Measured value
7 16 b Operating status
8 17 b Error status
9 18 b Serial number
…