Teledyne 9110E - Nitrogen Oxides Analyzer User Manual
Page 262
APPENDIX A
Model 9110E Instruction Manual
248
044100120 Rev B
Signal Name
Bit or Channel
Number
Description
ST_SPAN_CAL
4
0 = in span calibration
1 = not in span
ST_DIAG_MODE
5
0 = in diagnostic mode
1 = not in diagnostic mode
6-7
Spare
B status outputs, U27, J1018, pins 1-8 = bits 0-7, default I/O address 324 hex
0-7
Spare
Front panel I
2
C keyboard, default I
2
C address 4E hex
MAINT_MODE
5 (input)
0 = maintenance mode
1 = normal mode
LANG2_SELECT
6 (input)
0 = select second language
1 = select first language (English)
SAMPLE_LED
8 (output)
0 = sample LED on
1 = off
CAL_LED
9 (output)
0 = cal. LED on
1 = off
FAULT_LED
10 (output)
0 = fault LED on
1 = off
AUDIBLE_BEEPER
14 (output)
0 = beeper on (for diagnostic testing only)
1 = off
Relay board digital output (PCF8575), default I
2
C address 44 hex
RELAY_WATCHDOG 0
Alternate
between
0 and 1 at least every 5 seconds
to keep relay board active
RCELL_HEATER
1
0 = reaction cell heater on
1 = off
CONV_HEATER
2
0 = converter heater on
1 = off
MANIFOLD_HEATER
2
3
0 = bypass or dilution manifold heater on
1 = off
IZS_HEATER
4
0 = IZS heater on
1 = off
5
Spare
SPAN_VALVE
6
0 = let span gas in
1 = let zero gas in
CAL_VALVE
7
0 = let cal. gas in
1 = let sample gas in
AUTO_ZERO_VALVE
8
0 = let zero air in
1 = let sample gas in
NOX_VALVE
9
0 = let NO
X
gas into reaction cell
1 = let NO gas into reaction cell
10-15
Spare
Rear board primary MUX analog inputs, MUX default I/O address 32A hex
PMT_SIGNAL 0
PMT
detector
HVPS_VOLTAGE
1
HV power supply output
PMT_TEMP 2
PMT
temperature
3
Spare