User's Manual

42 TWACS
®
- ORION
®
for CENTRON
®
Meter User Guide
Glossary
CMT
See Commercial Metering Transponder.
Customer Information System (CIS)
A computer database that utilities use to keep track of their customer information
(name, address, phone, meter serial number). Often includes bill printing
functionality.
Commercial Metering Transponder (CMT)
An electronic assembly integrated into a commercial application electric meter to add
TWACS communications capability to the meter.
Daylight Saving Time (DST)
Daylight Saving Time is the practice of turning the clock ahead in the Spring and back
again in the Fall.
delay
The number of minutes after the interval has occurred before the SCE attempts to send
a time sync command to the RCE.
demand
The rate at which power is delivered over a specified period of time; the rate of
consumption. Demand is expressed in kilowatts.
demand interval
The specified interval of time on which a demand measurement is based. Intervals are
commonly specified as 15, 30, and 60 minutes.
demand meter
A metering device that indicates or records demand, maximum demand, or both.
detection point
Identifies the specific conductor on which the inbound signal is detected. This point is
identified as either A phase, B phase, C phase, or neutral.
dial encoder
A device that encodes or converts the position of metering dials (normally used in
water meters) into an electrical signal for subsequent processing and transmission.
DST
See Daylight Saving Time