Replacing The Lithium Battery; Replacing The Xrc G4 Battery Pack - ABB XSeriesG4 User Manual

Replacing the lithium battery

This section presents the procedures for replacing the onboard lithium battery which maintains the SRAM memory. Replacing
the lithium battery should only be done while the flow computer is fully powered by the battery pack or charging system. SRAM
memory stores historical flow data.
Step-by-step instructions
NOTICE – Property damage. Loss of power to the unit will perform a COLD start when lithium battery is
removed. All data and configuration files will be destroyed.
Collect data from the unit.
Back up configuration files following the instructions listed in section 4.2, Backing up configuration files.
Gain access to the Main Processor Board by unlatching the enclosure door (see Figure 68: XRC
component/cable locations and Figure 69: XRC
Remove the lithium battery cover from the battery bracket by inserting the flat blade of a small screwdriver between the
cover and the side of the bracket. This should free the cover from the bracket allowing access to the battery.
Grasp the battery on each side and pull from the bracket. Note the positive end of the battery is at the bottom end of the
bracket.
Insert a new lithium battery into the bracket with the positive end of the battery down.
Replace the battery cover.
Replacing the XRC
This section presents the procedures for removal and installation of the XRC
G4
the XRC door. The battery pack is located behind the front-mounted keeper plate (model 6490 only).
NOTICE – Property damage. When removing the battery pack, do not remove the lithium battery from the main
electronic board (XRC
engine card will also result in a COLD boot (loss of data stored in RAM).
Step-by-step instructions
Make sure the J1 (Figure 70) memory backup jumper covers the top two pins to enable the memory backup.
Description
Battery Charger 115 Vac/12 Vdc
Battery Charger 230 Vac/12 Vdc
Power Supply Converter 120 Vac/Vdc
Power Supply Converter 240 Vac/Vdc
Battery Charger 115 Vac/12 Vdc
Battery Charger 230 Vac/12 Vdc
Communication Mounting Bracket
G4
6890 component/cable locations).
G4
battery pack
G4
board). This prevents any data stored in board RAM, from being lost. Removing the CPU
Spare Part Number
2011720-007
2011720-008
2018200-004
2018200-005
2100269-001
2100269-002
2015260-005
G4
battery pack. To access the battery pack, open
74
G4
6490