Teledyne GFC-7000E - Trace CO2 Analyzer User Manual
Page 247

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
