Application Scenarios

At a natural gas processing facility in Alberta, an unexpected grid outage caused a brief loss of 24 VDC control power to the main ABB AC 800M rack. Without a functional backup battery, the PM866 controller would have lost its retentive variables—triggering a full cold restart and halting compressor sequencing logic. Thanks to the installed ABB SAFT189TSI, the system preserved all critical states and resumed normal operation within seconds of power restoration, avoiding a costly plant trip that could have incurred over $ 500.000 in lost throughput and safety requalification. This incident underscored how the ABB SAFT189TSI transforms a simple battery into a strategic asset for operational resilience.

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Technical Principles and Innovative Values

Innovation Point 1: Saft-Grade Reliability in ABB Integration – The ABB SAFT189TSI leverages Saft’s military-proven LS189 cell technology, known for hermetic sealing and zero leakage risk—even after decades of standby—ensuring no corrosion damage to sensitive CPU boards.

Innovation Point 2: Intelligent Low-Battery Diagnostics – Unlike generic replacements, the ABB SAFT189TSI works with ABB’s firmware to provide predictive health monitoring; when voltage drops below threshold, 800xA generates a “Battery Low” alarm weeks before failure, enabling planned replacement.

Innovation Point 3: Optimized for Harsh Environments – With a wide thermal tolerance and immunity to humidity-induced degradation, the ABB SAFT189TSI performs reliably in offshore platforms, deserts, and arctic installations where consumer-grade batteries fail prematurely.

Innovation Point 4: Plug-and-Play ABB Ecosystem Compatibility – Designed with ABB-specific connectors and polarity protection, the ABB SAFT189TSI eliminates wiring errors and ensures seamless integration without firmware updates or hardware modifications.

Application Cases and Industry Value

In a nuclear power plant in Finland, regulatory auditors required proof of continuous memory integrity for all safety-related controllers during station blackouts. The ABB SAFT189TSI installed in redundant PM866 CPUs passed rigorous 72-hour blackout simulations, maintaining all interlock states and timestamps without drift. The plant avoided a costly redesign by demonstrating that the ABB SAFT189TSI met IEC 61513 requirements for backup duration and reliability.

Similarly, at a pharmaceutical manufacturing site in Switzerland, a GMP audit flagged inconsistent batch logs due to occasional RTC resets. Investigation revealed degraded third-party batteries. After switching to genuine ABB SAFT189TSI units, time-stamp accuracy was restored across all 12 production lines, ensuring full compliance with FDA 21 CFR Part 11 electronic record rules.

Related Product Combination Solutions

ABB PM864 (3BSE018161R1): Primary AC 800M CPU that relies on the ABB SAFT189TSI for memory backup.

ABB PM866 (3BSE038640R1): Redundant-capable controller requiring dual ABB SAFT189TSI units for fault-tolerant operation.

ABB TB840: High-density controller baseplate housing PM86x CPUs and their associated ABB SAFT189TSI batteries.

ABB 800xA System 800: Provides battery health alarms and maintenance logs derived from ABB SAFT189TSI status.

Saft LS189: Raw industrial cell used inside the ABB SAFT189TSI—available for custom integrations but not recommended for direct ABB use.

ABB 3BSE013203R1: Official ABB spare kit that may include or supersede the ABB SAFT189TSI in newer shipments.

ABB CI854A: Communication module often deployed alongside PM86x CPUs protected by the ABB SAFT189TSI.

ABB Asset Optimization Library: Enables trend analysis of battery voltage decay using data sourced from ABB SAFT189TSI telemetry.

Installation, Maintenance, and Full-Cycle Support

Installing the ABB SAFT189TSI requires no tools or wiring—simply power down the controller, open the CPU cover, disconnect the old battery, and plug in the new unit using the keyed connector. The entire process takes under five minutes and does not require re-downloading the application. ABB’s Control Builder M software automatically detects the new battery and resets the “Low Battery” flag once voltage stabilizes.