Chapter 2 About the OpenWay Riva Water
Module
OpenWay Riva Water modules are high-power radio frequency transmitting modules that
attach to water registers or meters to collect consumption usage, event, and alarm data.
The OpenWay Riva Water module is an IPv6-compliant endpoint designated to
communicate over the ItronOpenWay Riva multi-purpose IoT solution: OpenWay Riva
Network or the legacy ChoiceConnect Mobile platform. The OpenWay Riva Water module
transmits in Mobile Mode offering Mobile Handheld, Hard-to-Read Mobile, High-Power
Mobile, or OpenWay Riva Network Mode.
The OpenWay Riva Water modules ship from the factory in Factory Mode, which prevents
unwanted radio transmissions during transit. After installation and programming, the pit
modules acquire and transmit meter or register data in accordance with the selected pit
module parameter settings. The OpenWay Riva Water modules support protocols for a
variety of meter manufacturer's registers. Refer to the Water Meter and Telemetry Module
Compatibility List (PUB-0063-002) for the list of supported meters and registers.
OpenWay Riva water modules feature the following capabilities:
• Datalogging. In OpenWay Riva Network Mode, the OpenWay Riva Water module
provides 3,840 buckets of interval data configurable from 1 minute to 1 hour (for example,
160 days of hourly data or 40 days of 15 minute data).
Note: Interval data functionality is dependent on the module's firmware version. For more
information, see OpenWay Riva Water module firmware functionality on page 8.
In Mobile Mode, the module provides 960 buckets of hourly interval data and can be set
to transmit in Mobile and Handheld Mode, Mobile High Power Mode, or Hard to Read
Mode.
◦ Mobile High Power Mode. The module transmits a high-powered RF message every
60 seconds. Output power in this mode is 250 milliwatts or +24dbm. In Mobile High
Power Mode, the expected battery life is 20 years.
◦ Mobile and Handheld Mode. The module transmits a medium-powered RF message
every 15 seconds. Output power in this mode is 10 milliwatts or +10dBm. In Mobile
and Handheld Mode, the expected battery life is 20 years.
◦ (Optional) Hard to Read Mode. The module transmits a high-powered RF message
every 30 seconds. Output power in this mode is 250 milliwatts or +24dBm. In Hard to
Read Mode, the expected battery life decreases to 15 years in this mode. The hard to
read mobile mode should only be used for exceptionally hard-to-read applications
(such as meters installed in sub-basements).
• Leak Detection and Reverse Flow Detection. OpenWay Riva water modules feature
robust algorithms that provide leak and reverse flow detection.
• (Optional) OpenWay Riva Leak Sensor (OLS)
OpenWay Riva Water Pit Module Installation Guide TDC-1743-004 4
Proprietary and Confidential
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