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Model 360E Instruction Manual APPENDIX A-4: Signal I/O Definitions for 300E Series Analyzers, Revision G.4
SIGNAL NAME
BIT OR CHANNEL
NUMBER
DESCRIPTION
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 6 O
2
sensor cell temperature
7 Spare
Rear board DAC MUX analog inputs
DAC_CHAN_0 0 DAC channel 0 loopback
DAC_CHAN_1 1 DAC channel 1 loopback
DAC_CHAN_2 2 DAC channel 2 loopback
DAC_CHAN_3 3 DAC channel 3 loopback
Rear board analog outputs
CONC_OUT_1 0 Concentration output #1
CONC_OUT_2 1 Concentration output #2
TEST_OUTPUT 2 Test measurement output
CONC_OUT_3
7
3 Concentration output #3 (CO
2
)
1
Hessen protocol.
2
M300EH.
3
M300ES.
4
M320E.
5
O
2
option.
6
Sample pressure or differential pressure flow measurement option.
7
M306E.
8
Factory option enables concentration alarms on relay outputs.
9
M360E.
10
GFC7000E.
05233 Rev G.4 A-27