Allen‑Bradley 1747-BA SLC 500 PLC Backup Battery

The Allen‑Bradley 1747-BA is an official lithium backup battery designed exclusively for SLC 500 series PLC controllers. It maintains memory storage of user programs, data files and system parameters when the main power supply of the PLC is interrupted.

This battery provides long service life under normal ambient conditions and supports reliable data retention. It is widely used as consumable spare parts for routine maintenance of Rockwell SLC500 automation control systems in various factories.

Main Specifications

• Brand: Allen‑Bradley (Rockwell Automation)
• Model: 1747-BA
• Product Type: PLC Lithium Backup Battery
• Compatible System: SLC 500 Series PLC Controllers
• Battery Chemistry: Lithium primary cell
• Rated Voltage: 3.0V DC
• Function: Retain program and data memory during power loss
• Standard plug-in connector matching SLC 500 CPU slot
• Operating Temperature Range: 0°C ~ +60°C
• Easy plug-and-play replacement without complicated wiring

Core Functions

• Supply standby power to PLC internal memory after main power failure
• Protect user control programs, register data and system configuration information
• Avoid data loss that causes production shutdown after unexpected power cut
• Plug-in design for quick disassembly and replacement during periodic maintenance
• Stable voltage output ensures reliable long-term memory protection
• Remind maintenance personnel to ｒｅｐｌａｃｅ battery through PLC system alarm
• Support offline equipment debugging and power-off storage of control logic
• Original matching accessory with stable compatibility for SLC 500 CPUs
• Compact size for convenient storage and spare parts inventory management
• Meet continuous production requirements of long-running industrial automation equipment

Application Scenarios

• Automotive workshop SLC 500 production line control systems
• Food processing factory continuous automation equipment
• Water treatment plant distributed PLC control racks
• Packaging machinery and printing equipment control units
• Material conveying and logistics automatic control systems
• Chemical factory auxiliary equipment monitoring PLC stations
• Metallurgical factory small-scale process control equipment
• Building HVAC and energy management automation cabinets
• Routine maintenance and spare parts replacement of SLC500 PLC systems
• Rockwell automation consumable spare parts inventory and on-site service projects