Teledyne T200 Operation Manual page 363

Teledyne API - T200, T204 and 200E Series (05295F DCN6900)
Signal Name
Relay board digital output (PCF8575), default I
RELAY_WATCHDOG
RCELL_HEATER
CONV_HEATER
10
MANIFOLD_HEATER
IZS_HEATER
15
CO2_CELL_HEATER
11
O2_CELL_HEATER
SPAN_VALVE
3
ZERO_VALVE
CAL_VALVE
AUTO_ZERO_VALVE
NOX_VALVE
4
NO2_CONVERTER
20
LOW_SPAN_VALVE
3
SPAN_VALVE
16
NO2_VALVE
7
VENT_VALVE
06858E DCN7057
Bit or Channel Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13–15
Appendix A3: Warnings and Test Measurements, Software Version K.3
Description
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 heater on
1 = off
0 = bypass or dilution manifold heater
on
1 = off
0 = IZS heater on
1 = off
0 = CO sensor cell heater on
2
1 = off
0 = O sensor cell heater on
2
1 = off
0 = let span gas in
1 = let zero gas in
0 = let zero gas in
1 = let sample gas in
0 = let cal. gas in
1 = let sample gas in
0 = let zero air in
1 = let sample gas in
0 = let NO gas into reaction cell
X
1 = let NO gas into reaction cell
0 = turn on NO converter (measure
2
NO )
x
1 = turn off NO converter (measure
2
NO)
0 = let low span gas in
1 = let high span/sample gas in
0 = let span gas in
1 = let sample gas in
0 = let NO gas into reaction cell
2
1 = let NO /NO gas into reaction cell
X
0 = open vent valve
1 = close vent valve
Spare
A-19