APPENDIX A-7: MODBUS Register Map
T200H/M and 200EH/EM Menu Trees (05147J DCN7141)
A-26
MODBUS
Register Address
(decimal,
0-based)
Description
10
Units
64
Sample pressure
“Hg
66
Internal box temperature
°
C
68
High voltage power supply output
Volts
70
Ground reference (REF_GND)
mV
72
4096 mV reference (REF_4096_MV)
mV
74
Diagnostic test input (TEST_INPUT_13)
mV
76
Diagnostic temperature input (TEMP_INPUT_6)
°C
78
IZS temperature
°
C
80
9
Sample restrictor temperature
°
C
82
9
Remote box temperature
°
C
80
Diagnostic test input (TEST_INPUT_11)
mV
82
Diagnostic temperature input (TEMP_INPUT_5)
°C
84
1
Raw PMT detector reading for NO
X
mV
86
1
Raw PMT detector reading for NO
mV
100
3
NO
X
slope for range #3
—
102
3
NO slope for range #3
mV
104
3
NO
X
offset for range #3
mV
106
3
NO offset for range #3
mV
108
3
NO
X
concentration for range #3 during zero/span calibration, just
before computing new slope and offset
PPB
110
3
NO concentration for range #3 during zero/span calibration, just
before computing new slope and offset
PPB
112
3
NO
2
concentration for range #3 during zero/span calibration, just
before computing new slope and offset
PPB
114
3
NO
X
concentration for range #3
PPB
116
3
NO concentration for range #3
PPB
118
3
NO
2
concentration for range #3
PPB
120
3
Converter efficiency factor for range #3
—
130
12
External analog input 1 value
Volts
132
12
External analog input 1 slope
eng unit /V
134
12
External analog input 1 offset
eng unit
136
12
External analog input 2 value
Volts
138
12
External analog input 2 slope
eng unit /V
140
12
External analog input 2 offset
eng unit
142
12
External analog input 3 value
Volts
144
12
External analog input 3 slope
eng unit /V
146
12
External analog input 3 offset
eng unit
148
12
External analog input 4 value
Volts
150
12
External analog input 4 slope
eng unit /V
152
12
External analog input 4 offset
eng unit
154
12
External analog input 5 value
Volts
07270D DCN7141