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Operation: C1SR Version
30 CENTRON® Meter Technical Reference Guide
Icons are illuminated on the display when the meter is programmed with a non-standard
algorithm. The LCD will display DET for detented energy. Icons for delivered (DEL) and
received (REC) are not used. There is no additional indicator for the standard undetented
configuration (i.e., where reverse energy is accumulated in the forward register).
Factory programmable multipliers are available for CL20 (x20, x40, and x80) applications.
This allows the meter to display and transmit via RF primary readings. Meters are labeled
accordingly when factory programmed.
The display will scroll between the billing register and the segment check mode based on
the factory programming option.
Option Description
1 7 second billing register display, 1 second blank, 7 second segment
check display (7/7)
2 7 second billing register display, 1 second blank, 1 second segment
check display (7/1)
3 Only the billing register is displayed (7/0)
C1SR Electronic Detent
The C1SR module displays energy in increments of whole values of kWh. Standard
operation for this module is to accumulate both forward and reverse energy flow in the
positive direction. However, the C1SR personality module is available with an electronic
detent that will cause the meter to ignore reverse energy flow. Therefore, if the meter is
inverted, the registers will accumulate in the forward direction only, thus providing uni-
directional operation. At the time of order, the C1SR module can be selected to have a
detent register.
When the meter is undetented, both forward and reverse energy will be accumulated.
Therefore, the electronic load indicator will flash at a rate equal to the energy consumption,
regardless of the direction of the energy flow.
When the electronic detent is enabled, only forward energy flow will be accumulated.
Net Metering
The C1SR module is available with the option of net metering capability. When the net
option is enabled, received energy is subtracted from delivered energy. The net energy value
is then displayed on the register.
Net metering is not available with the IDM option.