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The 1756-BA1 is a lithium battery module designed for ControlLogix and FlexLogix programmable automation controllers.
Its primary function is to maintain volatile memory, real-time clock data, and controller retention information during power loss or shutdown conditions.
This battery module is widely used in industrial automation systems where uninterrupted memory retention is critical for production continuity and system reliability.
The module is compact, lightweight, and designed for long-term industrial use. It is commonly installed in ControlLogix controller systems operating in manufacturing, process automation, energy management, and infrastructure control applications.
The 1756-BA1 is especially important in applications where controller programs, historical process data, or timing information must remain intact during unexpected power interruptions.
| Item | Details |
|---|---|
| Brand | Industrial automation control platform |
| Product Model | 1756-BA1 |
| Product Type | Lithium Battery Module |
| Product Family | ControlLogix 1756 Series |
| Series | ControlLogix / FlexLogix Accessories |
| Function | Memory backup and data retention |
| Installation Type | Controller battery connection |
The ControlLogix platform is a modular PLC system designed for scalable and high-performance industrial automation.
Within this architecture, battery modules such as the 1756-BA1 provide memory retention support for controllers that rely on battery-backed RAM.
The battery is connected directly to compatible processors and helps preserve user programs, controller states, and critical operational data during power outages.
It is widely used in legacy and mature ControlLogix controller systems where stable long-term memory backup is required.
| Parameter | Specification |
|---|---|
| Model | 1756-BA1 |
| Product Type | Lithium Battery Assembly |
| Battery Chemistry | Lithium |
| Nominal Voltage | 3V DC |
| Nominal Capacity | 1800 mAh |
| Battery Type | Cylindrical SE Type Cell |
| Compatible Controllers | 1756-L55, 1756-L61, 1756-L62, 1756-L63, 1794-L33 |
| Memory Retention Function | Yes |
| Real-Time Clock Backup | Supported |
| Connector Type | Lead wire connector |
| Installation Method | Internal controller connection |
| Operating Temperature | -40°C to 60°C |
| Storage Temperature | Recommended around 30°C |
| Humidity Range | Industrial non-condensing environment |
| Enclosure Type | Open battery assembly |
| Power Dissipation | Approx. 4.5 W |
| Mounting Orientation | Horizontal |
| Dimensions | Approx. 5.1 × 2.4 × 2.0 cm |
| Weight (kg) | Approx. 0.017 kg |
Maintains controller memory and critical operational data during power interruptions.
Designed for extended industrial usage with stable lithium battery chemistry.
Small structure allows easy installation inside industrial control systems.
Provides consistent 3V DC output for dependable memory retention.
Operates reliably in demanding industrial environments with large temperature fluctuations.
Used to preserve ControlLogix controller programs and runtime data.
Installed in production automation systems where process continuity is essential.
Used in chemical, food processing, and water treatment automation systems.
Supports controller memory retention in power generation and utility infrastructure.
Applied in automated machinery requiring secure controller data backup.
| Advantage | Description |
|---|---|
| Stable Lithium Chemistry | Reliable long-term performance |
| Compact Structure | Easy installation in control systems |
| Memory Protection | Preserves critical controller data |
| Industrial Durability | Suitable for harsh environments |
| Low Maintenance | Long replacement intervals |
| Wide Compatibility | Supports multiple controllers |
| Reliable Voltage Output | Stable backup performance |
| Lightweight Design | Minimal installation burden |
| Model | Product Type | Main Function | Compatible Systems | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1756-BA1 | Lithium Battery | Controller memory backup | ControlLogix | 5.1 × 2.4 × 2.0 cm | 0.017 kg |
| 1756-BA2 | Battery Assembly | Extended backup support | ControlLogix | 5.5 × 2.5 × 2.2 cm | 0.020 kg |
| 1756-BATM | Battery Module | Memory retention | ControlLogix | 6 × 3 × 2 cm | 0.025 kg |
| 1756-BATA | Battery Assembly | Backup power accessory | ControlLogix | 5 × 2 × 2 cm | 0.018 kg |
| 1747-BA | PLC Battery | SLC memory backup | SLC systems | 5 × 2 × 2 cm | 0.015 kg |
| Model | Product Category | Main Features | Application Area | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1756-L71 | CPU Controller | High-speed processing | Industrial automation | 20 × 15 × 10 cm | 0.90 kg |
| 1756-L73 | CPU Controller | Advanced ControlLogix CPU | Distributed systems | 20 × 15 × 10 cm | 0.95 kg |
| 1756-EN2TR | Ethernet Module | Dual-port EtherNet/IP | Industrial networking | 14 × 11 × 8 cm | 0.45 kg |
| 1756-IF8 | Analog Input Module | 8-channel analog input | Process automation | 15 × 12 × 5 cm | 0.35 kg |
| 1756-OB16E | Digital Output Module | 16-point DC output | Machine control | 15 × 12 × 5 cm | 0.40 kg |
The 1756-BA1 battery module plays a critical role in maintaining controller reliability and operational continuity.
By preserving controller memory during power outages, it helps prevent program loss, configuration errors, and production downtime.
It is an essential support component in ControlLogix systems that use battery-backed memory retention technology.
The battery is connected directly to compatible controllers through an internal connector interface.
Replacement procedures are simple and can usually be completed during scheduled maintenance intervals.
To maximize service life, the battery should be stored and operated within recommended temperature ranges.
Regular inspection and replacement schedules help maintain reliable controller memory retention.
The 1756-BA1 is designed for long-term industrial operation under demanding environmental conditions.
Its lithium chemistry provides stable voltage output and dependable performance across a wide temperature range.
The module is widely used in industrial control systems where data integrity and controller reliability are critical.
The Allen Bradley 1756-BA1 is a lithium battery module designed for ControlLogix and FlexLogix controllers.
It provides reliable memory retention, real-time clock backup, and protection against data loss during power interruptions.
Its compact design, stable performance, and industrial durability make it an important accessory in industrial automation systems.