Description
The Protection Processing Module (PPM) serves as the
computational engine for the Orbit 60 monitoring system. It
extracts all machinery measurements for the protection
system and performs alarm determinations. The PPM
analyzes signals from transducers, generates measurements
and statuses and publishes them to other modules for data
collection and external communication. Each PPM occupies a
single slot within the system.
Each PPM provides computational capacity for a large
number of sensors and can support typical monitored
machine trains. The PPM capacity is a function of the type of
processing required on each input. If the system requires
more processing than a single PPM can provide, additional
PPMs can be added to the system for complex monitoring
deployments. For protection systems, redundant PPMs are
recommended.
The Orbit Studio Configuration Software provides a System
Utilization Calculator to evaluate the remaining capacity of
the PPMs in your system. If a PPM processing capacity
reaches 90%, a warning indicator is displayed in Orbit Studio
software, and it is recommended to add another PPM or two
PPMs if the system is redundant.
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