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Model 200EH/EM (Ref: 05147F) APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0
A-9
Setup Variable
Numeric
Units
Default Value Value Range Description
SG_FILT_SIZE
Samples 60 1–500
Moving average filter size in single-
gas measure modes.
FILT_ADAPT
— ON ON, OFF
ON enables adaptive filter; OFF
disables it.
FILT_OMIT_DELTA
PPM 10
1
, 0.8
2
5–100
1
,
0.1–100
2
Absolute change in concentration to
omit readings.
FILT_OMIT_PCT
% 10 1–100
Percent change in concentration to
omit readings.
FILT_SHORT_DELT
PPM 5
1
, 0.5
2
5–100
1
,
0.1–100
2
Absolute change in concentration to
shorten filter.
FILT_SHORT_PCT
% 5
1
, 7
2
1–100
Percent change in concentration to
shorten filter.
FILT_ASIZE
Samples 2
1
, 3
2
1–500
Moving average filter size in adaptive
mode.
SG_FILT_ASIZE
Samples 10 1–500
Moving average filter size in adaptive
mode, in single-gas measure modes.
FILT_DELAY
Seconds
60
1
,80
2
0–200
Delay before leaving adaptive filter
mode.
SG_FILT_DELAY
Seconds 60 0–200
Delay before leaving adaptive filter
mode in single-gas measure modes.
O2_FILT_ADAPT
4
— ON ON, OFF
ON enables O
2
adaptive filter; OFF
disables it.
O2_FILT_SIZE
4
Samples 60 1–500
O
2
moving average filter size in
normal mode.
O2_FILT_ASIZE
4
Samples 10 1–500
O
2
moving average filter size in
adaptive mode.
O2_FILT_DELTA
4
% 2 0.1–100
Absolute change in O
2
concentration
to shorten filter.
O2_FILT_PCT
4
% 2 0.1–100
Relative change in O
2
concentration
to shorten filter.
O2_FILT_DELAY
4
Seconds 20 0–300
Delay before leaving O
2
adaptive
filter mode.
NOX_DWELL
Seconds 4.2
1
, 3.5
2
0.1–30
Dwell time after switching valve to
NO
X
position.
SG_NOX_DWELL
Seconds 1 0.1–30
Dwell time after switching valve to
NO
X
position in single-gas measure
modes.
NOX_SAMPLE
Samples 2 1–30
Number of samples to take in NO
X
mode.
SG_NOX_SAMPLE
Samples 2 1–30
Number of samples to take in NO
X
mode in single-gas measure modes.
NO_DWELL
Seconds 4.2
1
, 3.0
2
0.1–30
Dwell time after switching valve to
NO position.
SG_NO_DWELL
Seconds 1 0.1–30
Dwell time after switching valve to
NO position in single-gas measure
modes.
NO_SAMPLE
Samples 2 1–30
Number of samples to take in NO
mode.
SG_NO_SAMPLE
Samples 2 1–30
Number of samples to take in NO
mode in single-gas measure modes.
USER_UNITS
— PPM PPM, MGM
Concentration units for user
interface. Enclose value in double
quotes (") when setting from the RS-
232 interface.
04521C (DCN5731)