Teledyne 6400EH - Sulfur Dioxide Analyzer User Manual
Page 87

UV Fluorescence SO2 Analyzer
Appendix A
Teledyne
Analytical
Instruments
75
SIGNAL NAME
BIT OR CHANNEL
NUMBER
DESCRIPTION
SPAN VALVE
7
0 = let span gas in
1 = let zero gas in
LOW_SPAN_VALVE 8
0 = let low span gas in
1 = let sample gas in
ZERO VALVE
9
0 = let zero gas in
1 = let sample gas in
DARKSHUTTER 10
0 = close dark shutter
1 = open
11–15
Spare
Rear board primary MUX analog inputs
PMT_SIGNAL 0
PMT
detector
HVPS_VOLTAGE
1
HV power supply output
PMT_TEMP 2
PMT
temperature
UVLAMP_SIGNAL
3
UV lamp intensity
4
Temperature
MUX
5–6
Spare
SAMPLE_PRESSURE 7
Sample
pressure
TEST_INPUT_8
8
Diagnostic test input
REF_4096_MV
9
4.096V reference from MAX6241
SAMPLE_FLOW 10
Sample flow rate
VACUUM_PRESSURE 10
Vacuum
pressure
TEST_INPUT_11
11
Diagnostic test input
12–13
Spare (thermocouple input?)
14
DAC
MUX
REF_GND 15
Ground
reference
Rear board temperature MUX analog inputs
BOX_TEMP
0
Internal box temperature
RCELL_TEMP
1
Reaction cell temperature
IZS_TEMP 2
IZS
temperature
3
Spare
TEMP_INPUT_4
4
Diagnostic temperature input
TEMP_INPUT_5
5
Diagnostic temperature input