Teledyne T803 Models T803, 803E Appendix A Menu Trees (Referen ce: 06763C DCN6418) Appendix A , Error! Unknown document property name.Error! Unknown document property name. A-29

Models T803, 803E Appendix A Menu Trees (Referen ce: 06763C DCN6418) Appendix A
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APPENDIX A-7: MODBUS® Register M ap, 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 O2 concentration for range 1 duri ng zero/span calibration, just
before computing new slope and offset %
10 6 O2 concentration for range 2 duri ng 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 CO2 slope for range 1 —
102 5 CO2 slope for range 2 —
104 1 CO2 offset for range 1 %
106 5 CO2 offset for range 2 %
108 1 CO2 concentration for range 1 during zero/span calibration, just
before computing new slope and offset %
110 5 CO2 concentration for range 2 during zero/span calibration, just
before computing new slope and offset %
112 1 CO2 concentration for range 1 %
114 5 CO2 concentration for range 2 %
116 1 CO2 sensor cell temperature C
118 1 CO2 sensor cell temperature control duty cycle Fraction
07276B DCN6418