Overview
The Allen-Bradley 1756-BA1 ControlLogix/FlexLogix battery assembly provides essential backup power for Logix-series processors. This lithium battery module maintains critical controller memory retention during power interruptions and system shutdowns, ensuring no loss of program data or accumulated statistics.
Key Features
- Lithium cylindrical SE cell design with 3V rated output
- 1800 mAh nominal capacity at 1 mA discharge rate
- Compatible with ControlLogix 1756-L55, 1756-L61, 1756-L62, 1756-L63 and FlexLogix 1794-L33/L34 controllers
- Compact, lightweight form factor (approximately 17 grams)
- Wide operating temperature range -40°C to +60°C
- Maximum continuous current rating: 8 mA
Technical Specifications
- Lithium battery cell (Sanyo CR17335 SE type)
- High energy density with proven industrial reliability
- Nominal capacity: 1.8 Ah at 1 mA cutoff voltage 2V
- Designed to maintain controller RAM and non-volatile memory
Typical Applications
The 1756-BA1 is essential for any ControlLogix or FlexLogix automation system where memory integrity during power events is critical. Common applications include:
- Food and beverage processing plants
- Packaging machinery with recipe retention requirements
- Automotive assembly lines
- Pharmaceutical manufacturing systems
- Continuous process control systems requiring uninterrupted data logging
Compatibility & Replacements
Direct replacement for original Allen-Bradley 1756-BA1 units. Compatible with all ControlLogix 1756-L-series processors (Series A) and FlexLogix 1794 controllers requiring backup battery support. This is the standard OEM battery assembly; no firmware updates or controller reconfiguration required for installation. Verify your specific controller model before ordering to confirm compatibility.
