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Revenue
Revenue metering overview
A revenue meter provides, over a defined range of operating conditions,
measurements that are within international and national defined standards and
industry-accepted accuracy limits.
It also provides protection against unauthorized alteration of these measured
quantities. National and utility-based standards regulate protection against
unauthorized alteration of measured quantities.
Revenue metering components
To meet government regulations and utility security requirements, the meter
incorporates three types of security systems:
•
traditional anti-tamper mechanical seals on the meter (refer to the installation
sheet shipped with your meter)
•
password entry to reset meter values, for example, Master reset
•
hardware locking mechanism that prevents modification of revenue quantities
after they are locked
Revenue firmware security features
Your revenue meter has additional firmware security features:
•
You can only upgrade to revenue-qualified firmware and frameworks.
•
Your firmware upgrades are recorded in your meter’s event log. An additional
firmware upgrade log is stored on your meter. Contact Technical Support for
information on upgrade log retrieval.
•
When revenue-locked, you cannot perform resets, configure some revenue-
specific parameters or upgrade your meter.
Protected features and settings
Your revenue meter has features and settings that cannot be changed while
revenue-locked.
In order to prevent changes to revenue-related features, settings and meter data,
you can apply revenue-locking after all revenue-metering setup is complete.. For a
complete listing of revenue-locked features and settings, download the ION
Device Template Reference, available from www.usa.siemens.com/pds
Revenue locking
Revenue locking may be required to help meet government regulations and utility
security requirements.
Revenue locking your meter helps:
•
prevent changes to revenue-related features, settings and meter data
•
prevent tampering with your meter’s voltage and current connections
•
ensure the validity of revenue data
Download the ION Device Template Reference, available from
www.usa.siemens.com/pds to view a complete listing of revenue-locked features,
settings and meter data.
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