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Teledyne GFC-7000E - Trace CO2 Analyzer User Manual

Page 247

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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

236

SETUP VARIABLE

NUMERIC

UNITS

DEFAULT VALUE

VALUE RANGE

DESCRIPTION

BENCH_DERIV

2

0–100

Optical bench temperature

PID derivative coefficient.

WHEEL_CYCLE

Seconds 4,

2

4

0.5–30

Wheel

temperature

control

cycle period.

WHEEL_PROP

1/ºC 1

0–100

Wheel

temperature

PID

proportional coefficient.
Proportional band is the

reciprocal of this setting.

WHEEL_INTEG

— 0.135,

0.035

4

0–100

Wheel

temperature

PID

integral coefficient.

WHEEL_DERIV

— 2

0–100

Wheel

temperature

PID

derivative coefficient.

TPC_ENABLE

— ON

OFF,

ON

ON enables temperature/
pressure compensation; OFF

disables it.

CONC_LIN_ENABLE

— ON

OFF,

ON

ON enables concentration
linearization; OFF disables it.

SERIAL_NUMBER

— “00000000

0

Any character in
the allowed
character set. Up
to 100 characters

long.

Unique serial number for
instrument.

DISP_INTENSITY

— HIGH

0

HIGH,

MED,
LOW,
DIM

Front panel display intensity.

I2C_RESET_ENABLE

— ON

OFF,

ON

ON enables automatic reset
of the I

2

C bus in the event of

communication failures; OFF

disables automatic reset.

FACTORY_OPT

BitFlag 0,

4

9

0–65535

Factory option flags. Add
values to combine flags.
1 = enable dilution factor
2 = zero/span valves

installed
4 = conc. alarms routed to

relays
8 = enable linearity

adjustment factor
16 = display units in

concentration field
32 = enable software-

controlled maintenance mode
64

3, 5

= span valve installed

128 = enable switch-

controlled maintenance mode
2048 = enable Internet

option

7

4096 = use “old” style
numeric data entry menus

when editing conc. table