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APPENDIX A-2: Serial I/O Setup Variables Teledyne API - Models T703, T703U, 703E MENU TREES (05745E DCN6572)
A-12
Setup Variable Numeric
Units
Default
Value
Value
Range
Description
DARK_OFFSET mV 0 -1000–1000
Photometer dark offset for
measure and reference readings.
FILT_SIZE Samples 32 1–100 Moving average filter size.
FILT_ASIZE Samples 6 1–100
Moving average filter size in
adaptive mode.
FILT_DELTA PPB 20 1–1000
Absolute concentration
difference to trigger adaptive
filter.
FILT_PCT Percent 5 1–100
Percent concentration difference
to trigger adaptive filter.
FILT_DELAY Seconds 60 0–60
Delay before leaving adaptive
filter mode.
FILT_ADAPT — ON OFF, ON
ON enables adaptive filter; OFF
disables it.
PDELTA_GAIN
2
PPB/dIn-Hg 0 -200–200
Multiplied by difference between
measure and reference pressure
and added to concentration.
PDELTA_CAL_DUR
2
Minutes 5 0.1–20
Duration of pressure
compensation calibration
procedure.
O3_SLOPE_CONST — 1.0 0.1–10
Constant factor to keep visible
slope near 1.
O3_SLOPE — 1 0.850–1.150 O
3
photometer slope.
O3_OFFSET PPB 0 -1000–1000 O
3
photometer offset.
O3_BCAL_SET PPB 400 0.1–10000
Target O
3
concentration during
bench span calibration.
O3_PUMP_STARTUP — ON OFF, ON
O
3
pump startup enable. ON
enables startup procedure.
O3_PUMP_MIN_FLOW LPM 0.2 0–1
Minimum flow rate that indicates
O
3
pump is on.
O3_PUMP_TIMEOUT Seconds 30 1–180 O
3
pump startup timeout.
O3_PUMP_PULSE Seconds 0.5 0.1–10
O
3
pump power off pulse
duration.
PHOTO_CYCLE Seconds 10 0.5–30
Photometer lamp temperature
control cycle period.
PHOTO_PROP — 0.5 0–10
Photometer lamp temperature
PID proportional coefficient.
PHOTO_INTEG — 0.05 0–10
Photometer lamp temperature
PID integral coefficient.
PHOTO_DERIV — 0.2 0–10
Photometer lamp temperature
PID derivative coefficient.
PHOTO_FLOW_SLOPE — 1 0.001–100
Slope term to correct photometer
sample flow rate.
O3_DEF_DRIVE mV 800 0–5000
O
3
generator default drive
setting.
O3_GEN_MODE — BNCH CNST,
REF,
BNCH
O
3
generator control mode.
Enclose value in double quotes
(") when setting from the RS-232
interface.
07223C DCN6572