G-2 2000-OSM, F1
GLOSSARY (continued)
Digital I/O Digital Input/Output PCB; enables the use of additional stream valves and/or
alarm sensors
DIP switch PCB switch that is used to set values through hardware instead of software
drift the variances from the baseline or the norm; generally associated with
uncontrolled or unwanted changes in pressure or temperature
EIA Electronic Instrument Association
elution time the amount of time from the start of analysis that it takes for a peak to be fully
detected
EMC electromagnetic compatibility
EMI
electromagnetic interference
Engineering Data see Data Package
Package
EPC Electronic Pressure Control
EPROM Erasable, Programmable, Read Only Memory; program software that can be
erased and reprogrammed a limited number of times
E2PROM Electrically Erasable Programmable Read Only Memory; used for the safe
storage of tables (sometimes written E
2
PROM or EEPROM)
FID Flame Ionization Detector
field highlighted area on display screen where data entry and modification are
allowed; data entry is ended (terminated) by filling the field with characters or by
pressing ENTER or any soft key or cursor key
forced gating technique of chromatographic data collection in which the controller collects the
detector signal during a specified period of time
Gate On/Off the time-coded function command which turns on and off the collection of data
from the detector
GC Gas Chromatograph
GCC Gas Chromatographic Controller
Help key front panel control key used to access information pertaining to the current
screen display content
highway address numbers from one to 32 that uniquely identify remote GCCs
HL
High Limits, entered into a component table; when a component's measured and
calculated value exceeds the HL value, an alarm is generated
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