ABB 105296 Series Modules – 105296 R0001 E5LA

Technical Dossier

Product Details And Specifications

ABB 105296 Series Technical Notes

The ABB 105296 series comprises power supply modules engineered for deployment within ABB's Advant Controller (AC 450 / MOD 300) distributed control system architecture. These units have accumulated significant installed base across global heavy industry sectors including petrochemical refineries, nuclear auxiliary systems, offshore platforms, and continuous-process chemical plants. The 105296 platform delivers regulated DC bus power to backplane-mounted I/O and controller modules, operating within the strict electrical isolation and EMC requirements demanded by IEC 61511 and IEC 61010 compliant installations. Field longevity of 15–25 years is common in brownfield sites, making spare part availability a critical operational concern for plant maintenance engineers.

The Evolution of 105296 Architecture

The 105296 power supply lineage originates from ABB's Advant OCS platform introduced in the mid-1980s, designed to provide stable, isolated DC power rails to the AC 450 controller rack. Early revisions (R0001, R0002) established the core topology: linear regulation with transformer isolation, single-output 24 VDC or dual-rail configurations. Subsequent hardware revisions introduced improved thermal management, wider input voltage tolerance (85–264 VAC universal input on later variants), and enhanced short-circuit protection circuitry.

As ABB transitioned its DCS portfolio toward the System 800xA platform through the 2000s, the 105296 series entered a maintenance-only lifecycle phase. No direct form-fit-function replacement exists within the current ABB catalog; plant operators must either source original spare units or commission third-party refurbishment. Compatibility with the original Advant backplane connector (DIN 41612 Type C, 96-pin) is non-negotiable — substitution with non-original modules risks bus contention and controller faults.

105296 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the ABB 105296 power supply and associated Advant AC 450 module range. Each entry reflects a distinct hardware revision or functional variant confirmed within ABB's Advant documentation and field service records.

Quality Control for the 105296 Range

Each 105296 unit processed by DriveKNMS undergoes a structured test protocol specific to backplane-mounted power supply modules:

• Input voltage sweep test: 85 VAC to 264 VAC, verifying regulation stability across full input range.
• Output load test: 0% to 100% rated load, measuring output voltage deviation and ripple (target: <50 mV p-p).
• Thermal soak: 4-hour burn-in at 50°C ambient, monitoring for capacitor ESR drift and thermal shutdown events.
• Backplane connector inspection: DIN 41612 pin integrity check, contact resistance measurement (<10 mΩ per pin).
• Isolation test: 500 VDC hipot between input, output, and chassis ground per IEC 61010-1.
• Revision verification: Hardware revision label cross-referenced against ABB service bulletin database to confirm no open field modification notices.