Brand:Allen Bradley PLC Item No.:1747-BA Product Origin:USA Product Dimensions:25 × 14 × 6 mm Product Weight:0.1 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen Bradley 1747-BA Lithium Battery is a critical backup power component used in SLC 500 PLC systems to preserve volatile memory during power interruptions. It ensures that ladder logic programs, configuration parameters, and runtime data remain intact when the system is powered down. Compact and reliable, it is widely used in industrial automation environments where data integrity and continuous operation are essential.
Technical Specifications
Item
Specification
Model
1747-BA
Type
Lithium Backup Battery
System
SLC 500 PLC
Function
Memory retention backup power
Voltage
3 V DC
Battery Type
Non-rechargeable lithium
Installation
PLC processor battery compartment
Dimensions
25 × 14 × 6 mm
Weight
Approx. 0.1 kg
Application
Industrial automation systems
Operating Environment
Industrial control systems
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Applications
• SLC 500 PLC memory backup systems
Provides backup power to retain program memory and configuration data during power loss.
• Industrial automation control systems
Ensures critical controller data is preserved in SLC 500 processors.
• Manufacturing and production lines
Prevents loss of operational logic and system parameters during shutdowns or outages.
• Water and wastewater treatment PLC systems
Maintains control program integrity for pumps, valves, and monitoring processes.
• Energy and utility automation infrastructure
Supports uninterrupted data retention for distributed control applications.
• Legacy industrial control installations
Used as a standard replaceable backup battery in installed SLC 500 systems.
Key Advantages
• Reliable lithium-based backup power
Ensures stable memory retention during power interruptions.
• Long service life design
Provides extended operational lifespan under typical industrial conditions.
• Compact and lightweight construction
Easily integrates into PLC processor battery compartments.
• Stable voltage output
Maintains consistent backup power for RAM retention circuits.
• Easy field replacement
Designed for quick replacement without system modification.
• Proven compatibility with SLC 500 systems
Specifically engineered for Allen-Bradley SLC processor platforms.
Technical FAQs
Q1: What is the main function of this battery?
It provides backup power to retain PLC memory when main power is lost.
Q2: What voltage does it use?
It is a 3V lithium battery.
Q3: What happens if the battery fails?
The PLC may lose stored program and data when power is removed.
Q4: How long does it typically last?
Typically around 1–2 years depending on operating conditions and usage.
Q5: Can the battery be replaced while the system is running?
Yes, in many SLC 500 configurations it can be replaced with minimal disruption.
Q6: Is it rechargeable?
No, it is a primary (non-rechargeable) lithium battery.
Q7: Does the PLC alert low battery conditions?
Yes, the processor indicates low battery status via diagnostics LEDs.
Q8: Is it specific to SLC 500 systems?
Yes, it is designed specifically for Allen-Bradley SLC 500 platforms.
Q9: Can third-party replacements be used?
Yes, compatible replacements exist, but specifications must match closely.
Q10: What industries commonly use it?
Manufacturing, utilities, energy, and industrial automation sectors.
