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T200H/M and 200EH/EM Menu Trees (05147J DCN7141)
Signal Name
20
LOW_SPAN_VALVE
3
SPAN_VALVE
16
NO2_VALVE
7
VENT_VALVE
Rear board primary MUX analog inputs, MUX default I/O address 32A hex
PMT_SIGNAL
HVPS_VOLTAGE
PMT_TEMP
15
CO2_SENSOR
11
O2_SENSOR
SAMPLE_PRESSURE
RCELL_PRESSURE
REF_4096_MV
OZONE_FLOW
TEST_INPUT_11
4
SAMP_REST_TEMP
CONV_TEMP
TEST_INPUT_13
REF_GND
Rear board temperature MUX analog inputs, MUX default I/O address 326 hex
BOX_TEMP
RCELL_TEMP
IZS_TEMP
15
CO2_CELL_TEMP
11
O2_CELL_TEMP
TEMP_INPUT_5
4
REM_BOX_TEMP
TEMP_INPUT_6
10
MANIFOLD_TEMP
Rear board DAC MUX analog inputs, MUX default I/O address 327 hex
DAC_CHAN_1
DAC_CHAN_2
DAC_CHAN_3
DAC_CHAN_4
07270D DCN7141
Bit or Channel
Number
10
11
12
13–15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
1
2
3
4
5
6
7
0
1
2
3
APPENDIX A-4: M Signal I/O Definitions
Description
0 = let low span gas in
1 = let high span/sample gas in
0 = let span gas in
1 = let sample gas in
0 = let NO
gas into reaction cell
2
1 = let NO
/NO gas into reaction cell
X
0 = open vent valve
1 = close vent valve
Spare
PMT detector
HV power supply output
PMT temperature
CO
concentration sensor
2
Temperature MUX
Spare
O
concentration sensor
2
Sample pressure
Reaction cell pressure
4.096V reference from MAX6241
Ozone flow rate
Diagnostic test input
Sample restrictor temperature
Converter temperature
Diagnostic test input
DAC loopback MUX
Ground reference
Internal box temperature
Reaction cell temperature
IZS temperature
CO
sensor cell temperature
2
Spare
O
sensor cell temperature
2
Diagnostic temperature input
Remote box temperature
Diagnostic temperature input
Bypass or dilution manifold temperature
DAC channel 0 loopback
DAC channel 1 loopback
DAC channel 2 loopback
DAC channel 3 loopback
A-17
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