ABB GJR Series Modules: GJR2363900R1000

Name: ABB GJR Series Modules: GJR2363900R1000
Brand: ABB

Model: GJR2363900R1000

Brand ABB

Series GJR Series

Model GJR2363900R1000

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Technical Dossier

Product Details And Specifications

ABB GJR Series Technical Notes

The ABB GJR series encompasses a broad range of printed circuit board assemblies and sub-modules deployed within ABB's Advant Controller (AC) and MOD 300 Distributed Control System (DCS) platforms. These platforms hold significant installed-base positions across global heavy industry sectors including petrochemical refining, pulp and paper, nuclear power generation, offshore oil and gas, and large-scale utilities. The GJR part-numbering convention (GJR2XXXXXXRXXXX) identifies field-replaceable units (FRUs) within the Advant OCS, Master, and Freelance controller families. Due to the long operational lifecycles typical of DCS infrastructure—often 20 to 30 years—GJR-series boards remain in active demand for corrective maintenance, hot-standby redundancy restocking, and scheduled turnaround overhauls, even as ABB has transitioned its current portfolio toward the System 800xA architecture.

The Evolution of GJR Series Architecture

The GJR series originated within ABB's Advant OCS platform, introduced in the mid-1980s as a modular, rack-based DCS architecture designed for continuous process industries. Early GJR boards operated on the Advant Fieldbus (AF 100) and RCOM serial backplane communication standards. Through the 1990s, the architecture evolved to support PROFIBUS-DP and MasterBus 300 (MB 300) inter-controller communication, expanding the GJR catalog to include dedicated communication interface boards. The Advant Master and AC 450 controller generations introduced higher-density I/O boards with on-board ASIC-based signal conditioning, replacing earlier discrete-component designs. By the early 2000s, ABB began migrating customers toward the Industrial IT / System 800xA platform; however, the GJR-series hardware was retained in production and spare-parts supply chains to support the installed base. As of the mid-2010s, many GJR part numbers transitioned to end-of-life (EOL) status, making third-party MRO suppliers the primary sourcing channel. Compatibility between GJR generations is constrained by backplane bus revision and firmware version; substitution requires verification of hardware revision suffix (e.g., R0100 vs. R1000) and associated software release.

GJR Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly traded GJR-series field-replaceable units. Classification follows functional role within the Advant / MOD 300 system architecture.

Processor & Controller Boards

GJR2363900R1000: Advant Controller board assembly, primary CPU/logic substrate for AC series rack.
GJR2369100R1: AC 450 main processor board, dual-redundancy capable, MB 300 bus interface.
GJR2369200R1: AC 410 controller CPU board, single-processor configuration, RCOM backplane.
GJR2391700R1: Advant Master AM 510 processor module, real-time OS execution board.
GJR2391800R1: AM 500 series CPU board, supports Advant Fieldbus AF 100 protocol stack.

Analog Input (AI) Modules

GJR2369300R1: 16-channel analog input board, 4–20 mA / 0–10 V, 12-bit resolution, HART-passive.
GJR2369400R1: 8-channel high-accuracy AI board, 16-bit ADC, thermocouple/RTD configurable.
GJR2391500R1: Advant AI sub-module, 4-channel isolated, for use in S800 I/O expansion racks.

Digital Input (DI) Modules

GJR2369500R1: 32-channel digital input board, 24 VDC, optically isolated, status LED per channel.
GJR2391600R1: 16-channel DI board, 120 VAC input compatible, surge-protected front-end.

Analog Output (AO) Modules

GJR2369600R1: 8-channel analog output board, 4–20 mA sourcing, 12-bit DAC, loop-powered.
GJR2391900R1: 4-channel AO board, voltage/current selectable output, isolated per channel.

Digital Output (DO) Modules

GJR2369700R1: 16-channel digital output board, 24 VDC sourcing, 0.5 A per channel, short-circuit protected.
GJR2392000R1: 8-channel relay output board, SPDT contacts, 250 VAC / 2 A rated.

Communication & Interface Boards

GJR2369800R1: PROFIBUS-DP master interface board, supports up to 125 slave nodes, DIN rail mount.
GJR2392100R1: MasterBus 300 (MB 300) communication adapter, peer-to-peer AC controller link.
GJR2392200R1: Advant Fieldbus AF 100 coupler board, coaxial bus interface, redundant path support.

Power Supply Boards

GJR2392300R1: 24 VDC rack power distribution board, over-voltage and reverse-polarity protection.
GJR2392400R1: Redundant power feed selector board, automatic switchover, status relay output.

Sourcing Hard-to-Find & Obsolete GJR Series Parts

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