- General Electric Computer Monitor User Manual

70055MP Revision D February 3, 2000
Appendix C: Glossary of Terms
A
Amperes.
Alarm
Operating condition occurring when data point value exceeds
the alarm parameter set point.
Averaging Interval
Configurable time period, up to 60 minutes, when the monitor
automatically takes incoming data levels and transfers them
into memory.
Calibration Parameters
Calibration setpoints for voltage, current, temperature,
combustible gas, and tap position.
Clear Memory
Action removes the monitored input data from the monitor non-
volatile memory.
COM
Serial communication port on a personal computer.
Combustible Gas
Fault gas in the dielectric oil.
CPU
Central Processing Unit.
CT
Current transducer.
Download
Command that transfers data stored in memory from the monitor
to a personal computer.
Gland Plate
Assembly with pre-punched holes, used for routing cables and
conduits into the monitor.
Event
Tap change time period.
I/O
Input/Output.
LTC
Load Tap Changer installed on the transformer.
mA
Milliamperes.
Profile Data Recording
Mode
Method in which data is stored and updated in the monitor
memory.
Relay Parameters
Parameters for transformer control relay and cam signals.
Remote Site
Transformer location – substation.
Rms
Root mean square of a number.
RTD
Resistance temperature detector.
Settable Parameters
Alarm level parameters for sensor inputs.
Tap Position
LTC tap location.
Upload
Command that transfers alarm parameters and site description
information to the monitor.
VAC
Volts alternating current.
VDC
Volts direct current.