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Teledyne GFC-7000E - Trace CO2 Analyzer User Manual

Page 246

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Model GFC7000E Instruction Manual

APPENDIX A-2: Setup Variables For Serial I/O, Revision

E.0APPENDIX A-3: Warnings and Test Functions, Revision E.0

045840110 Rev B.3

235

SETUP VARIABLE

NUMERIC

UNITS

DEFAULT VALUE

VALUE RANGE

DESCRIPTION

TEST_CHAN_ID

— NONE

0

NONE,

CO MEASURE,
CO REFERENCE,
VACUUM

PRESSURE,
SAMPLE

PRESSURE,
SAMPLE FLOW,
SAMPLE TEMP,
BENCH TEMP,
WHEEL TEMP,
CHASSIS TEMP,
PHT DRIVE

Diagnostic analog output ID.

REMOTE_CAL_MODE

— LOW

0

LOW,

HIGH

Range to calibrate during
contact closure or Hessen

calibration.

PASS_ENABLE

— OFF

ON,

OFF

ON enables passwords; OFF
disables them.

STABIL_GAS

— CO

0

CO,

CO2

Selects gas for stability

measurement.

STABIL_FREQ

Seconds 10

1–300 Stability

measurement

sampling frequency.

STABIL_SAMPLES

Samples

25

2–40

Number of samples in
concentration stability

reading.

PHOTO_TEMP_SET

mV 2000

Warnings: 500–3000

0–5000 Photometer

temperature

warning limits. Set point is

not used.

SAMP_PRESS_SET

In-Hg 29.92

Warnings: 15–35

0–100

Sample pressure warning
limits. Set point is not used.

PURGE_PRESS_SET

PSIG 7.5

Warnings: 2.5–12.5

0–100

Purge pressure warning

limits. Set point is not used.

SAMP_FLOW_SET

cc/m 750,

800

3, 8

, 3000

4

,

2000

13

Warnings:

500–1000, 500–

1200

3,8

,

1000–5000

4

,

400–1000

8,9

,

1500–2500

13

0–5000

Sample flow warning limits.
Set point is not used.

SAMP_FLOW_SLOPE

1

0.001–100

Slope term to correct sample
flow rate.

VAC_SAMP_RATIO

— 0.53,

0.61

13

0.1–2

Maximum vacuum pressure /
sample pressure ratio for

valid sample flow calculation.

SAMP_TEMP_SET

ºC 30

Warnings: 10.1–100

0–100

Sample temperature warning

limits. Set point is not used.

BOX_SET

ºC 30

Warnings: 5–48

0–100 Internal

box

temperature

warning limits. Set point is

not used.

BENCH_CYCLE

Seconds

2

0.5–30

Optical bench temperature
control cycle period.

BENCH_PROP

1/ºC

5

0–100

Optical bench temperature
PID proportional coefficient.
Proportional band is the

reciprocal of this setting.

BENCH_INTEG

0.5

0–100

Optical bench temperature
PID integral coefficient.