Teledyne T801 Carbon Monoxide Alarm User Manual


 
Models T801, 801E Software Menus (Reference: 06843C DCN6418) Appendix A
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APPENDIX A-7: MODBUS
®
Register Map, Software Versions 1.0.3 (T-Series)/A.3 (E-Series)
MODBUS Register
Address
(dec., 0-based)
Description Units
MODBUS Floating Point Input Registers
(32-bit IEEE 754 format; read in high-word, low-word order; read-only)
0
4
O
2
slope for range 1
2
6
O
2
slope for range 2
4
4
O
2
offset for range 1 %
6
6
O
2
offset for range 2 %
8
4
O
2
concentration for range 1 during zero/span calibration, just
before computing new slope and offset
%
10
6
O
2
concentration for range 2 during zero/span calibration, just
before computing new slope and offset
%
12
4
O
2
concentration for range 1 %
14
6
O
2
concentration for range 2 %
16
4
O
2
sensor cell temperature
C
18
4
O
2
sensor cell temperature control duty cycle Fraction
20 Concentration stability %
22 Sample flow cc/m
24 Sample pressure “Hg
26 Internal box temperature
C
28 Ground reference (REF_GND) mV
30 4096 mV reference (REF_4096_MV) mV
100
1
CO
2
slope for range 1
102
5
CO
2
slope for range 2
104
1
CO
2
offset for range 1 %
106
5
CO
2
offset for range 2 %
108
1
CO
2
concentration for range 1 during zero/span calibration, just
before computing new slope and offset
%
110
5
CO
2
concentration for range 2 during zero/span calibration, just
before computing new slope and offset
%
112
1
CO
2
concentration for range 1 %
114
5
CO
2
concentration for range 2 %
116
1
CO
2
sensor cell temperature
C
118
1
CO
2
sensor cell temperature control duty cycle Fraction
07274B DCN6418