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Teledyne API - T300/T300M and M300E/EM PN 04906H (DCN5840) APPENDIX A-4: Signal I/O Definitions
A-29
Signal Name Bit or Channel
Number
Description
Rear board primary MUX analog inputs
SAMPLE_PRESSURE 0 Sample pressure
VACUUM_PRESSURE
6
1 Vacuum pressure
PURGE_PRESSURE
9, 10
1 Purge pressure
CO_MEASURE 2 Detector measure reading
CO_REFERENCE 3 Detector reference reading
4 Temperature MUX
SAMPLE_FLOW 5 Sample flow
PHOTO_TEMP 6 Photometer detector temperature
TEST_INPUT_7 7 Diagnostic test input
TEST_INPUT_8 8 Diagnostic test input
REF_4096_MV 9 4.096V reference from MAX6241
O2_SENSOR
5
10 O
2
concentration sensor
11 Spare
CO2_SENSOR
7
12 CO
2
concentration sensor
13 Spare
14 DAC loopback MUX
REF_GND 15 Ground reference
Rear board temperature MUX analog inputs
BOX_TEMP 0 Internal box temperature
SAMPLE_TEMP 1 Sample temperature
BENCH_TEMP 2 Optical bench temperature
WHEEL_TEMP 3 Wheel temperature
TEMP_INPUT_4 4 Diagnostic temperature input
TEMP_INPUT_5 5 Diagnostic temperature input
O2_CELL_TEMP
5
6 O
2
sensor cell temperature
BOX2_TEMP
3
OVEN_TEMP
19,23
6 Internal box temperature #2 / oven temperature
7 Spare
Rear board DAC MUX analog inputs
DAC_CHAN_1 0 DAC channel 0 loopback
DAC_CHAN_2 1 DAC channel 1 loopback
DAC_CHAN_3 2 DAC channel 2 loopback
DAC_CHAN_4 3 DAC channel 3 loopback
06864B DCN6314