14 | XSE RI ES G5 | 210602 6MNAA
XSeries
G5
System feature
or component
Backward compatibility/retained
features
With lithium battery
Without Lithium battery, clock keeps
operating for up to 24-48 hours after power
is removed and without lithium battery
Backup with lithium battery activated with
onboard switch
Solid state persistent storage backup (by
super capacitor)
Updated to a Linux-based operating system
(OS)
Upgradable
Seamless support for all Totalflow
applications
Backward-compatible protocol transactions
for all supported measurement
applications, trending applications, and
alarm logs, etc.
Register-based transaction
Support for XFC
G4
and XRC
G4
configuration
files.
The XSeries
G5
embedded software is modularized and flexible. The software includes a complete suite
of applications, each of which can be activated and configured to meet specific functionality
requirements or disabled to reduce allocation of system resources. XSeries
G5
devices ship with default
standard applications required for basic system operation and local communication. Additional
applications can be enabled at the factory, per request, or activated later by the customer.
While both the XFC
G5
and XRC
G5
support the same suite of embedded Totalflow applications, they are
designed for different field scenarios and implementation scope. The type and number of applications
enabled in each device type will vary depending on the site scenario. The following sections describe
device-specific functionality and typical use.
IMPORTANT NOTE: This manual does not provide an exhaustive list and description of all the
applications available. For detailed application description see PCCU online help topics. Each
application has context-sensitive help for each of its related configuration/monitoring screens.
Data retention (may be limited by file space on the device) values are set to:
40 days of hourly log period data records
50 days of daily data records
200 event registers
1.2.1 Operating system
The XSeries
G5
devices use a thread priority preemptive real-time operating system (OS) (Linux-
based). This design prioritizes real-time functionality (measurement and control applications) before
executing non-real-time functionality (post measurement data processing and file system access).
The OS file system is composed of a RAM file system and an eMMC data journaling file system. The
applications access the RAM file system, which provides increased performance. The RAM file system
is backed up into the eMMC file system for the following triggers:
One time per minute on the fourth second of each minute
Before all warm restarts (triggered from PCCU32 Station Setup, terminal mode, PCCU32
device loader, or reset button)
A large capacitor provides power for 2.5 seconds to the system in the event of a power loss. This
allows the software to safely shutdown the eMMC file system. The system data not backed up by the
one-minute periodic update will be lost.
1.2.2 XFC
G5
functionality
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