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122 HRB1684301-01
Chapter 14—Maintenance and upgrades PowerLogic™ PM5500 series user manual
If the problem is not fixed after troubleshooting, contact Technical Support for help.
Make sure you have your meter’s firmware version, model and serial number
information available.
Meter memory
The meter uses its non-volatile memory (NVRAM) to retain all data and metering
configuration values. Under the operating temperature range specified for the meter,
the NVRAM has an anticipated life of 45 years or longer. The meter stores its data logs
in a memory chip, which has a life expectancy of up to 20 years under the operating
temperature range specified for the meter.
Clock battery
The internal battery in the meter keeps its clock running and helps maintain the time
even when the meter is powered down.
The life expectancy of the internal battery is estimated to be over 10 years at 25°C
under typical operating conditions.
Firmware version, model and serial number
You can view the meter’s firmware version, model and serial number from the display
panel or through the meter webpages:
• Using the display panel: Navigate to Maint > Diag > Info. See “Maintenance” on
page 66 for details.
• Using the meter webpages: Navigate to Diagnostics > Meter. See “Diagnostics” on
page 59 for details.
Firmware upgrade
To see if there are firmware upgrades available for your meter, search your meter at
www.schneider-electric.com.
NOTE: For MID compliance, the PM5561 meter’s firmware upgrade functionality is
permanently disabled.
Reasons for upgrading your meter’s firmware include the following:
• Improve meter performance (e.g., optimize processing speed)
• Enhance existing meter features and functions
• Add new functionality to the meter
• Achieve compliance to stricter industry standards
The meter contains firmware that can be upgraded using the following methods:
Meter firmware and upgrade method
Firmware type Upgrade method Description
OS DLF3000
The OS (operating system) firmware contains code that
controls the meter’s features.
Language DLF3000
The language file contains translation strings to set the
meter’s display to the selected language.