Allen-Bradley 1763-BA – Logic Controller Backup Battery | MicroLogix 1100 Platform
Engineering Background
The Allen-Bradley 1763-BA is the OEM-specified lithium backup battery for the MicroLogix 1100 programmable logic controller family (Catalog Series A–D). Designed and validated by Rockwell Automation, this battery sustains volatile RAM data retention and real-time clock (RTC) accuracy during planned shutdowns, emergency power loss, and extended maintenance windows. In industrial environments where program integrity and timestamp accuracy are non-negotiable, the 1763-BA is the only factory-approved solution.
Product Positioning
Konmask.com sources the 1763-BA directly through verified Rockwell Automation distribution channels. Every unit shipped carries full traceability documentation, ensuring procurement engineers can satisfy incoming inspection, ISO 9001 audit trails, and OEM warranty compliance requirements without compromise.
Complete Technical Specifications
| Catalog Number | 1763-BA |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Compatible Platform | MicroLogix 1100 (1763-L16AWA, 1763-L16BBB, 1763-L16BWA, 1763-L16DWD) |
| Battery Chemistry | Lithium (Li-MnO₂) |
| Nominal Voltage | 3 V DC |
| Typical Service Life | 5 years (at 25 °C ambient, controller powered ≥ 8 h/day) |
| Data Retention (Power Off) | Up to 45 days at 25 °C |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Connector Type | Plug-in module, tool-free replacement |
| Certifications | UL Listed, CE Marked, RoHS Compliant |
| Country of Origin | USA |
| Replacement Interval | Every 5 years or upon LOW BATTERY indicator |
Proven Application Environments
- Discrete Manufacturing: Automotive assembly lines, stamping presses, and conveyor control panels where unplanned downtime triggers production loss penalties.
- Food & Beverage: Packaging and filling lines requiring FDA-compliant timestamp logs for batch traceability.
- Water & Wastewater Treatment: Remote pump stations and lift stations with infrequent maintenance visits — battery longevity is critical.
- Building Automation & HVAC: MicroLogix 1100 controllers managing scheduling logic where RTC accuracy directly affects energy efficiency.
- Oil & Gas Upstream: Wellhead control panels in Class I, Division 2 enclosures requiring certified, OEM-approved components.
- Pharmaceutical GMP Facilities: 21 CFR Part 11 environments where audit-trail timestamps must be continuously accurate.
Engineering Advantages
- Zero-Data-Loss Architecture: Hot-swap capable — program memory and RTC are preserved throughout the battery exchange procedure without controller power-down.
- OEM Validation: Tested to Rockwell Automation’s internal qualification standards; no compatibility risk associated with third-party alternatives.
- Predictable Replacement Cycle: 5-year rated life enables integration into preventive maintenance (PM) schedules, eliminating reactive replacement costs.
- Compact Form Factor: Plug-in module design requires no tools and takes under 60 seconds to replace, minimizing MTTR.
- Wide Temperature Tolerance: Rated for 0–60 °C operation, suitable for both climate-controlled panels and outdoor enclosures in temperate climates.
- Regulatory Compliance: UL, CE, and RoHS certifications satisfy import requirements for EU, North American, and most Asia-Pacific markets.
System Architecture & Signal Flow
The 1763-BA interfaces directly with the MicroLogix 1100 CPU module’s internal power management circuit. During normal operation, the controller’s internal DC bus trickle-charges the battery monitoring circuit. Upon detection of a primary power loss event (VDC drop below threshold), the battery automatically assumes responsibility for:
- SRAM Data Retention: Preserves the entire user program, data table values, and I/O force states.
- Real-Time Clock (RTC): Maintains date/time accuracy for scheduled instructions (STS) and time-stamped data logging.
- Fault Log Integrity: Retains the controller fault routine history for post-event diagnostics.
The LOW BATTERY bit (S:2/14) in the controller status file is set when battery voltage drops below the operational threshold, providing advance warning via RSLogix 500 / Studio 5000 Logix Designer monitoring or HMI alarming.
Sourcing & Quality Verification
- Authorized Distribution Chain: All 1763-BA units are sourced through Rockwell Automation’s verified distributor network — no gray-market or refurbished stock.
- Lot Traceability: Each shipment includes manufacturer lot codes and date codes for incoming inspection and IQC records.
- Packaging Integrity: Units arrive in original Rockwell Automation anti-static packaging with tamper-evident seals.
- Certificate of Conformance (CoC): Available upon request for regulated industries (pharmaceutical, aerospace, defense).
- Counterfeit Mitigation: Konmask.com performs visual and electrical verification on all battery stock prior to dispatch.
Procurement Process
- Confirm Compatibility: Verify your MicroLogix 1100 catalog number (1763-L16xxx series) against the compatibility table above.
- Request a Quote: Contact support@konmask.com for volume pricing, blanket PO arrangements, or expedited shipping options.
- Order Placement: Orders accepted via the Konmask.com storefront, email PO, or bank transfer (T/T) for international customers.
- Lead Time: In-stock units ship within 1–2 business days. Express DHL/FedEx international shipping available.
- Documentation Package: CoC, packing list, and commercial invoice provided with every shipment for customs clearance.
Technical FAQ
Q: Can I replace the 1763-BA while the MicroLogix 1100 is powered on?
A: Yes. Rockwell Automation supports hot-swap battery replacement on the MicroLogix 1100. The controller must remain powered during the swap to prevent data loss. Refer to Publication 1763-UM001 for the exact procedure.
Q: How do I know when the battery needs replacement?
A: Monitor status bit S:2/14 (Low Battery) in RSLogix 500. When set, the battery should be replaced within 30 days. The controller will also display a LOW BATTERY fault in the fault table.
Q: Is the 1763-BA compatible with MicroLogix 1000 or 1200?
A: No. The 1763-BA is exclusively designed for the MicroLogix 1100 platform. MicroLogix 1000 uses the 1762-BA and MicroLogix 1200/1500 use the 1747-BA series.
Q: What is the shelf life of an unused 1763-BA?
A: Rockwell Automation rates the shelf life at 5 years from the date of manufacture when stored at 25 °C in original packaging.
Q: Do you provide bulk/OEM pricing for MRO stocking programs?
A: Yes. Contact support@konmask.com with your annual volume requirements for a tiered pricing proposal.
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