ABB TA521 1SAP180300R0001 Battery

The ABB TA521 1SAP180300R0001 is a high-quality lithium backup battery module designed for use with ABB’s AC500 PLC series and related automation components. This battery ensures reliable data retention in memory modules, real-time clocks, and system states during power outages or unexpected shutdowns. Engineered to meet industrial-grade standards, the TA521 battery provides long-term service in challenging automation environments.

Its robust design, long life span, and seamless compatibility with ABB’s automation platforms make it a critical component for industries requiring reliable backup power and data integrity, including manufacturing, utilities, energy, and infrastructure sectors.

Product Specifications

Product Applications

The ABB TA521 battery is purpose-built for supporting uninterrupted memory retention and time-keeping functionality in critical control systems. Key application areas include:

• AC500 PLC systems requiring SRAM retention

• Real-Time Clock (RTC) backup in programmable controllers

• Memory modules and CPU units in industrial automation

• Remote I/O stations needing consistent system state maintenance

• Control panels in energy, manufacturing, water treatment, and transport

Its use ensures that data is not lost during power outages or system restarts, preserving critical operations in complex automation infrastructures.

Product Advantages

• Reliable Data Retention: Keeps essential memory data and system time intact during power loss.

• Long Service Life: Up to 7 years of effective operation reduces maintenance frequency.

• Easy Integration: Designed for direct use with ABB AC500 PLC family with no configuration needed.

• Compact and Lightweight: Minimal space requirement within control cabinets or PLC modules.

• High Temperature Tolerance: Operates reliably in harsh environments, from -40°C to +85°C.

• Plug-and-Play Replacement: Simple connector allows for fast field replacement without specialized tools.

• Compliant and Safe: Meets international environmental and safety standards including CE and RoHS.

• Low Self-Discharge: Maintains charge for long durations during storage or standby.

FAQs

1. What is the main purpose of the TA521 battery?

   It provides backup power for memory and clock retention in ABB’s AC500 PLC systems.

2. Is the TA521 battery rechargeable?

   No, it is a primary lithium cell and is not designed for recharging.

3. How long does the battery last under normal conditions?

   Typically between 5 to 7 years, depending on usage and ambient temperature.

4. Can it be replaced in the field without powering down the PLC?

   Yes, hot-swapping is possible in most AC500 configurations, but consult your system manual.

5. Which ABB products is it compatible with?

   It is mainly used with AC500 CPU modules and memory expansion units.

6. What precautions should be taken when storing the battery?

   Store in a dry, cool place at temperatures between -55°C and +95°C.

7. Is the battery protected against incorrect polarity?

   Yes, it has a keyed connector to prevent reverse insertion.

8. Does ABB offer environmental disposal instructions?

   Yes, ABB complies with WEEE and RoHS directives and offers safe disposal guidelines.

9. Can I use third-party batteries instead of TA521?

   It’s strongly recommended to use genuine ABB TA521 batteries for optimal performance and safety.

10. What are the signs of a low or failing battery?

    Most AC500 CPUs will trigger a diagnostic warning or alarm when the battery voltage drops.