User's Manual

8 FIREFLY AMR System Reference Manual
Programming/Profiling Unit (PPU) Cable
A cable is used to connect the PPU to a ROADRUNNER for programming and
extraction of profile data.
Config Tester (CT)
The Config Tester (CT) is similar to
the PPU. It is a stand-alone device
for resetting the FIREFLY to
dormant and factory configurations.
Once coupled with the MIU and
activated, there are three lights to
display the status:
Yellow = Updating
Green = Successful
Red = Unsuccessful
FIREFLY Meter Interface Unit (MIU) – Water
The FIREFLY Meter Interface Unit
(MIU) tracks and transmits reading
data. Each MIU includes ProfilePlus
that tracks and stores over 1,700 of
the most recent readings. For
example, the MIU can be configured
to record 72+ days of hourly
consumption readings, enabling the
resolution of billing complaints.
The FIREFLY signal includes the
meter number, meter reading, battery
voltage, tamper flag, and a leak
indicator.
The FIREFLY MIU is powered with a 3.6-volt lithium chloride D-cell battery.
Material: Polycarbonate
Construction: Ultrasonic welding
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Datamatic, Ltd. 2000 - 2003