Operation: CP1SD/T/L Version
32
CENTRON® Polyphase Meter Technical Reference Guide
Callout
Description
7
Optical Port
8
Infrared Test LED
9
Nameplate
Demand Reset Button
The demand reset button is located at the 6 o’clock position on the meter face. The demand
reset mechanism is used to initiate a demand reset. The demand reset cover mechanism can
be physically locked with a meter seal, or disabled by the meter programming software.
Infrared Test LED
One infrared (IR) LED is located at the 3 o’clock position of the meter nameplate. The LED
can be configured to pulse based on any of the following energy quantities:
Wh delivered, received
Varh delivered, received, Q1, Q4
VAh delivered, received (arithmetic or vectorial)
Liquid Crystal Display (LCD)
The CENTRON Polyphase meter features a versatile ANSI C12.10-compliant, 104-segment
liquid crystal display (LCD). The LCD with all segments lit is shown in the figure below.
There are several static indicators available on the LCD as described in the table below the
figure.
Figure 21: CENTRON Polyphase Meter LCD
Static Indicators
Indicator
Description
Load Emulator (-> for positive, <- for negative)
888 888888
Nine digits (7 segments each) for display of
alphanumeric information
