User's Guide

TDC-0909-003 100W and 100WP Datalogging ERT Module Installation Guide 3
Proprietary and Confidential
The 100W and 100WP ERT modules are high-power radio frequency automatic meter reading (AMR) devices
that attach to water registers to collect consumption usage and tamper data the ERT module then transmits to a
data collection device. The ERT module operates in both bubble-up mode and two-way mode.
The 100W and 100WP ERT modules ship in Factory Mode. The ERT modules acquire and transmit meter
register data. The ERT module transfers meter data immediately if the unit is initialized or programmed with a
handheld computer during installation (see Initializing, Connecting, and Programming the ERT Module on
page 7).
The 100W and 100WP ERT modules support protocols for a variety of meter manufacturer's registers. Refer
to the Water Meter Compatibility List (PUB-0063-002), for the list of supported meters and registers.
100W and 100WP ERT modules feature the following capabilities:
• Leak Detection and Reverse Flow Detection. 100W series ERT modules feature the same robust
features as Itron's 60 series ERT modules to provide Leak Detection and Reverse Flow Detection. For
more information about Leak Detection and Reverse Flow Detection, see the Itron white paper Detecting
Leaks and Reverse Flow with 60 Series Endpoints.
• Communication Error Indicators.
• Last Good Read (LGR Flag). The LGR flag indicates a communication error with the register.
• 100W encoder ERT module
If this flag is set for 24 consecutive hours, it initiates a cut cable flag in the extended tampers.
The Last Good Read Flag automatically clears after the ERT module receives a successful read
from the register.
• 100WP pulser ERT module
If the Last Good Read Flag is set two consecutive times, it initiates a Cut Cable Flag in the
extended tampers.
The Last Good Read Flag automatically clears after the ERT module receives a successful read
from the register.
Note Last Good Read Flag may be an indicator of a damaged register.
• Extended Tamper Flag (retrievable with two-way communication)
• Low Battery Warning. The 100W and 100WP ERT modules include a battery life estimator. The
estimator is based on the number of data packets sent at the various power levels and the age
(self-discharge) of the ERT module. The low battery warning allows the utility to easily identify
which ERT modules are nearing end-of-life in a mixed population and gives the opportunity to
schedule replacement.
The low battery warning is a single flag set when the battery has less than 10% remaining
capacity, typically 2 years life remaining Battery life is evaluated daily at midnight.
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About the 100W and 100WP Datalogging ERT Module