ABB Advant Controller Modules 07AI91 GJR5251600R0202

Technical Dossier

Product Details And Specifications

ABB Advant Controller Series Technical Notes

The ABB Advant Controller (AC) series — encompassing the AC 31, AC 70, AC 80, AC 110, AC 160, and AC 410/450/460 product lines — represents one of the most widely deployed distributed control system (DCS) platforms in global heavy industry. Installed across petrochemical complexes, nuclear power stations, offshore oil platforms, pulp and paper mills, and large-scale water treatment facilities, the Advant Controller architecture was engineered for deterministic real-time control with high-availability redundancy. Its modular backplane design, standardized S100 and S800 I/O bus interfaces, and long-term firmware stability made it the reference platform for process automation from the late 1980s through the 2010s. Many facilities continue to operate Advant Controller hardware as the primary control layer, making lifecycle parts sourcing a critical operational requirement.

The Evolution of Advant Controller Architecture

The Advant Controller platform was introduced by ABB (then ASEA Brown Boveri) in the late 1980s as a successor to the MASTER series controllers. The architecture evolved through three distinct generations. The first generation (AC 31 / AC 70) targeted compact machine-level control with proprietary CS31 bus communication, offering basic analog and digital I/O in a DIN-rail form factor. The second generation (AC 110 / AC 160) introduced the Advant Fieldbus 100 (AF 100) protocol and expanded the I/O module range to include HART-capable analog inputs, redundant CPU configurations, and high-speed counter modules. The third generation (AC 410 / AC 450 / AC 460) integrated Ethernet-based MMS (Manufacturing Message Specification) communication, enabling direct SCADA connectivity and OPC server interfaces. Compatibility between generations is limited: S100 I/O modules are not electrically interchangeable with S800 I/O modules without adapter hardware. Firmware versions are tightly coupled to CPU hardware revisions, and cross-generation substitution requires engineering validation. As of 2026, the entire Advant Controller product line has reached end-of-life (EOL) status under ABB's product lifecycle policy, with no new hardware manufactured. Extended lifecycle support is available exclusively through authorized third-party spare parts suppliers.

Advant Controller Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced modules within the ABB Advant Controller ecosystem. Each entry reflects the module's primary functional classification and application role.

Analog Input Modules (AI)

• 07AI91 / GJR5251600R0202: 8-channel analog input module, 4–20 mA / 0–10 V, S100 bus, HART-passive compatible.
• 07AI61 / GJR5251100R0101: 8-channel analog input, ±10 V / 0–20 mA, non-HART, S100 bus, standard resolution.
• 07AI91F / GJR5251600R0262: Functional safety variant of 07AI91, SIL 2 rated, used in ESD loop monitoring.
• DIAI01 / 3BSE005276R1: S800 I/O analog input module, 8-channel, 4–20 mA with HART, used in AC 800M migration projects.

Analog Output Modules (AO)

• 07AO01 / GJR5251700R0101: 4-channel analog output, 4–20 mA, S100 bus, loop-powered.
• 07AO91 / GJR5251700R0202: 8-channel analog output, 4–20 mA, HART-passive, S100 bus.
• DIAO01 / 3BSE005278R1: S800 I/O analog output, 8-channel, 4–20 mA with HART.

Digital Input Modules (DI)

• 07DI92 / GJR5251300R0101: 32-channel digital input, 24 VDC, S100 bus, high-density rack mount.
• 07DI91 / GJR5251300R0202: 16-channel digital input, 24 VDC, S100 bus, standard density.
• DIDI01 / 3BSE005274R1: S800 I/O digital input, 32-channel, 24 VDC, used in AC 800M migration.

Digital Output Modules (DO)

• 07DO91 / GJR5251400R0101: 16-channel digital output, 24 VDC / 0.5 A, S100 bus, relay-free solid-state.
• 07DO92 / GJR5251400R0202: 32-channel digital output, 24 VDC, S100 bus, high-density.
• DIDO01 / 3BSE005275R1: S800 I/O digital output, 32-channel, 24 VDC, transistor output.

CPU / Controller Modules

• 07KT98 / GJR5253100R0278: AC 31 CPU module, CS31 bus master, 256 KB RAM, onboard serial port.
• 07KT97 / GJR5253100R0268: AC 31 CPU, predecessor to 07KT98, 128 KB RAM, limited I/O expansion.
• DSQC639 / 3HAC025097-001: AC 800M main computer unit, used in AC 450/460 controller cabinets.

Communication & Fieldbus Modules

• 07CS91 / GJR5251900R0101: CS31 bus coupler module, connects S100 I/O racks to AC 31 CPU over CS31 serial bus.
• 07DP91 / GJR5252000R0101: PROFIBUS-DP master/slave module, S100 bus, used for third-party device integration.
• CIPAX01 / 3BSE018105R1: AF 100 fieldbus coupler, connects S800 I/O stations to AC 110/160 controllers.

Power Supply Modules

• 07PS91 / GJR5252100R0101: S100 rack power supply, 24 VDC input, 5 VDC / 3 A backplane output.
• DSDO01 / 3BSE005277R1: S800 I/O power distribution module, 24 VDC, used in field I/O cabinets.