Teledyne T101 Operation Manual page 321

Teledyne API T/E-Series Models 101, 102, and 108 Software Documentation (PN05492D DCN6485)
Signal Name
ST_TEMP_ALARM
ST_HVPS_ALARM
MAINT_MODE
LANG2_SELECT
SAMPLE_LED
CAL_LED
FAULT_LED
AUDIBLE_BEEPER
Relay board digital output (PCF8575), default I
RELAY_WATCHDOG
RCELL_HEATER
1
CONV_HEATER
IZS_HEATER
CAL_VALVE
SPAN_VALVE
3
TRS_VALVE
H2S_VALVE,
TRS_VALVE
2
TS_VALVE
07266B DCN6485
Bit or Channel
Number
4
5
6–7
2
Front panel I C keyboard, default I
5 (input)
6 (input)
8 (output)
9 (output)
10 (output)
14 (output)
0
1
2
3
4
5
6
7
8
9
Description
1 = all pressures OK
0 = any temperature alarm
1 = all temperatures OK
0 = HVPS alarm
1 = HVPS OK
Spare
2
C address 4E hex
0 = maintenance mode
1 = normal mode
0 = select second language
1 = select first language (English)
0 = sample LED on
1 = off
0 = cal. LED on
1 = off
0 = fault LED on
1 = off
0 = beeper on (for diagnostic testing only)
1 = off
2
C address 44 hex
Alternate between 0 and 1 at least every 5 seconds
to keep relay board active
0 = reaction cell heater on
1 = off
0 = converter cell heater on
1 = off
Spare
0 = IZS heater on
1 = off
Spare
0 = let cal. gas in
1 = let sample gas in
0 = let span gas in
1 = let zero gas in
0 = switch to TRS gas position
1 = primary gas position (SO2)
0 = switch to secondary gas position (H2S/TRS)
1 = primary gas position (SO2)
0 = primary gas position (SO2)
1 = switch to secondary gas position (TS)
2
A-27