TA521 1SAP180300R0001 ABB Adapter Cable

Configured for remanent memory retention and real-time clock buffering in ABB AC500 CPU architectures, the ABB TA521 1SAP180300R0001 (TA521 Adapter Cable) provides direct physical/electrical execution. The assembly houses an encapsulated lithium primary button cell (CR2450) that delivers continuous backup power directly to PM57x, PM58x, PM59x (excluding PM595), and PM56xx processors when the primary power supply is disconnected.

Hardware Specifications

Backplane Bus Communication Velocity & I/O Density Scaling

The TA521 adapter cable attaches to designated CPU memory retention headers without impairing backplane bus communication velocity or backplane signal integrity. By offloading timekeeping and memory persistence tasks to an encapsulated CR2450 power source, the module ensures immediate application startup without data loss. Compact dimensions preserve overall rack clearance and maintain optimal cabinet I/O density scaling across AC500 control topologies, while firmware flash compatibility and real-time clock settings remain fully intact through main power power-down cycles.

Frequently Asked Questions

Q: Which specific CPU models are compatible with the TA521 adapter cable?

A: The TA521 interfaces directly with AC500 V2 processors (PM57x, PM58x, PM59x) and AC500 V3 processors (PM56xx). It is explicitly not compatible with PM595 CPUs.

Q: What are the primary functions maintained by the encapsulated battery cell?

A: The encapsulated CR2450 lithium cell maintains the processor real-time clock (RTC) and preserves contents within the remanent memory during power outage states.

Q: What precautions should be taken regarding shipping and transport regulation for the TA521?

A: The TA521 contains a lithium metal primary cell and is classified under dangerous goods designation UN3090 (Class 9), requiring compliance with standard transport handling regulations for lithium metal batteries.

Field Installation Guidelines

Observe the following field installation steps during replacement or system configuration:

1. Power De-energization: Ensure the target AC500 CPU is safely powered down prior to accessing the battery connection slot.
2. Connector Alignment: Align the TA521 adapter cable connector with the dedicated battery interface header on the CPU front housing.
3. Insertion & Cable Routing: Insert the connector firmly into place until fully seated. Route the cable into the integrated retaining slot to avoid pinch points.
4. Static Discharge Safety: Handle the cable assembly using standard electrostatic discharge (ESD) precautions to prevent damage to sensitive CMOS memory components.