Operation: C1SR Version
6-2 CENTRON Meter Technical Reference Guide
Figure 6.1 C1SR
Physical Description
The C1SR personality module is constructed of a flame retardant printed circuit
board material which supports the discrete, surface-mounted, and integrated
circuit components. A microstrip etched on the circuit board serves as the RF
antenna. The C1SR personality module easily snaps into the meter module
mounting bracket. This module is then electronically attached to the metrology
board via a board to board connector. The following information is sent to the
personality module from the base metrology board:
• Line voltage
• Reference voltage
• Energy flow direction
• Energy pulse data
• Line frequency
The C1SR contains contacts on the module board, located at the 12 o'clock
position behind the LCD, for resetting the energy register and tamper counters.
This can be accomplished with the ZRO-C2A Resetter.
The C1SR uses a unique module identification number, provided by Itron. This ID
number is contained in each message transmission and is used by the handheld
and billing system to determine meter identity and location. This ID number, which
is contained on a bar-coded label, is placed on the LCD housing directly above the
LCD display.
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