ABB SS832 3BSC610068R1 Power Voting Unit

Technical Dossier

Product Details And Specifications

ABB SS832 Series Technical Notes

The Evolution of SS832 Architecture

The SS832 module belongs to ABB's Advant family, a DCS platform introduced in the late 1980s and progressively developed through the 1990s and early 2000s. The Advant Controller series — encompassing AC 400, AC 450, and AC 800M — established a modular, bus-based architecture that allowed incremental hardware upgrades without full system replacement. The SS832 Power Voting Unit was introduced to address redundancy requirements in multi-controller configurations, where power source selection and fault arbitration needed to be handled at the hardware level rather than through software logic alone.

As ABB transitioned its installed base toward the System 800xA platform (introduced circa 2004), the SS832 and its associated Advant modules entered a maintenance and lifecycle phase. The 800xA platform introduced Ethernet-based communication and modern FOUNDATION Fieldbus and PROFIBUS integration, but the underlying Advant hardware — including the SS832 — remained in service at thousands of sites due to the high cost and operational risk of full DCS migrations. ABB formally extended lifecycle support for Advant hardware through its Long-Term Support (LTS) program, but hardware availability from OEM channels has progressively declined. Third-party specialist suppliers now represent the primary sourcing channel for SS832 units and associated modules.

Compatibility considerations: The SS832 3BSC610068R1 is physically and electrically compatible with Advant Controller backplanes using the S800 I/O bus standard. It is not directly interchangeable with modules from the AC 800M or S900 remote I/O families without backplane and firmware validation.

SS832 Full Catalog & Functionalities (SKU List)

The following catalog covers verified ABB Advant / MOD 300 / S800 series modules commonly associated with SS832-class deployments. SKUs are organized by functional category.

Power & Voting Units

• SS832 / 3BSC610068R1: Power Voting Unit; redundancy arbitration for dual-power Advant controller backplanes.
• SS822 / 3BSC610042R1: Power Supply Module; 24 VDC regulated output for S800 I/O stations.
• SS823 / 3BSC610043R1: Redundant Power Supply Unit; hot-swap capable for continuous process environments.
• SS824 / 3BSC610044R1: Power Distribution Module; distributes backplane power across extended I/O racks.

CPU & Controller Modules

• PM864A / 3BSE018161R1: AC 800M Controller CPU; primary processing unit for 800xA-integrated Advant systems.
• PM865A / 3BSE031151R1: AC 800M High-Performance CPU; extended memory and faster scan cycle for complex control strategies.
• PM856AK01 / 3BSE066490R1: AC 800M CPU with redundancy support; used in high-availability controller pairs.
• PM803F / 3BDH000530R0001: AC 800F Safety Controller CPU; IEC 61508 SIL 3 certified for safety-critical loops.

Digital Input (DI) Modules

• DI810 / 3BSE008508R1: 24 VDC Digital Input Module; 16-channel, S800 I/O bus compatible.
• DI811 / 3BSE008552R1: 120 VAC Digital Input Module; 16-channel for high-voltage field signal interfaces.
• DI820 / 3BSE008544R1: 24 VDC Digital Input Module; 32-channel high-density configuration.
• DI821 / 3BSE008566R1: 120 VAC Digital Input Module; 32-channel for large-scale discrete I/O applications.

Digital Output (DO) Modules

• DO810 / 3BSE008510R1: 24 VDC Digital Output Module; 16-channel, relay-isolated outputs.
• DO820 / 3BSE008546R1: 24 VDC Digital Output Module; 32-channel for high-density actuator control.

Analog Input (AI) Modules

• AI810 / 3BSE008516R1: Analog Input Module; 8-channel, 4–20 mA / 0–10 V, HART-transparent.
• AI820 / 3BSE008544R1: Analog Input Module; 16-channel for multi-loop process variable acquisition.
• AI830A / 3BSE040662R1: RTD/Thermocouple Input Module; 8-channel temperature measurement for furnace and reactor applications.

Communication & Fieldbus Adapters

• CI854A / 3BSE030220R1: PROFIBUS DP Master Adapter; connects S800 I/O to PROFIBUS DP networks.
• CI855 / 3BSE018106R1: Ethernet Adapter Module; integrates S800 I/O stations into 800xA Ethernet-based control networks.
• CI856 / 3BSE026055R1: FOUNDATION Fieldbus HSE Linking Device; bridges H1 fieldbus segments to high-speed Ethernet.

Quality Control for the SS832 Range

The SS832 Power Voting Unit contains precision voltage arbitration circuitry and backplane bus interface logic that requires systematic validation before deployment in live process environments. DriveKNMS applies the following test protocol to all SS832 units prior to dispatch: