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Emerson 395620-03-1 Field Replacement Manual page 4

Coin cell battery

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FB2100/FB2200 Flow Computer Coin Cell Battery Field Replacement Guide
D301855X012
November 2020
WARNING
EXPLOSION HAZARD - Do not disconnect equipment unless power has been removed or the area
is known to be non-hazardous.
WARNING
EXPLOSION HAZARD – Do not replace batteries unless power has been switched off or the area is
known to be non-hazardous. Change batteries only in an area known to be non-hazardous.
Note
Use these cell batteries only in devices where the servicing of the cell circuit and replacement of the
lithium cells is done by a trained technician.
Important
If this equipment is used in a manner not specified by the manufacturer, the protection provided by
equipment may be impaired.
Removing/Replacing the SRAM Backup Battery
UL Listed Coin Cell Battery Field Installed Accessory Kit for Use in Class I, Division 2, Groups A, B, C,
and D
A lithium coin cell battery provides backup power for the SRAM and the real-time clock. The SRAM
backup battery can last for up to 10,000 hours of cumulative operation, and only runs if the main
power system fails. You do not need to power down the unit to replace the SRAM backup battery.
Important
Replacement SRAM backup batteries must be either the Rayovac
Panasonic
WARNING
EXPLOSION HAZARD - Batteries must only be changed in an area known to be non-hazardous. See
notices at the front of this document.
1.
2.
2
Flow Computer Coin Cell Battery Field Installed Accessory Kit Part No. 395620-03-1 for Use
with UL Listed Class I, Division 2, Groups A, B, C, & D Model Series FB2100 and FB2200
Model BR2330.
®
Open the enclosure.
Loosen the two captive fastening screws on the cover of the black CPU enclosure (which has
the HMI module attached to it) and place the cover aside.
Model BR2335 or the
®

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