- Battery support for retained read/write-memory contents
- Front status indication with QUITT./CHECK service control
- Plug-in rack construction with rear multipin connection
ABB VV11 supports the retained-memory arrangement used by compatible H&B Contronic control hardware when the normal rack supply is interrupted.
Its front indication and service control provide maintenance access while the battery, monitoring electronics and rack interface remain combined in one plug-in assembly.
A replacement should be approved against the complete reference, PCB marking and installed connector arrangement, followed by verification of the retained data and affected control functions.
Availability, condition, price, and shipping time for ABB VV11 are confirmed during quotation.
ABB VV11 Read/Write Memory Battery Module Product Family and Support Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Preserve the installed application before module removal
- Record the current retained-data and startup condition
- Secure affected control functions during maintenance
- Match chemistry, terminals, polarity and mounting arrangement
- Inspect the holder and PCB for leakage or corrosion
- Avoid stressing the battery leads and rear connector
- Confirm the expected front-panel status response
- Verify retained information after the restart sequence
- Test associated alarms, interlocks and control functions
- Battery-backed retention of read/write memory in H&B Contronic racks
- Like-for-like restoration of a documented VV11 hardware position
- Maintenance of legacy process-control memory assemblies