Name: ABB GJR5250500R0902 07KT92 CPU – Procontic CS31 Central Processing Unit 24VDC - MASSIVE
SKU: ABB GJR5250500R0902 07KT92

ABB GJR5250500R0902 07KT92 CPU – Procontic CS31 Central Processing Unit 24VDC

Brand ABB

Model ABB GJR5250500R0902 07KT92

The ABB 07KT92 GJR5250500R0902 is a central processing unit designed for the ABB Procontic CS31 programmable logic controller platform, serving as the core computational module for industrial automation and process control applications. As the central intelligence of a CS31 station, the ABB 07KT92 GJR5250500R0902 executes user programs, manages local and distributed I/O, and coordinates communication across the CS31 system bus. The module belongs to ABB’s AC31 basic unit family, a control platform widely deployed in legacy automation systems where reliable, deterministic logic execution remains essential.

The ABB 07KT92 GJR5250500R0902 integrates a comprehensive set of I/O resources directly on the CPU, including 12 digital inputs, 8 digital transistor outputs, 4 analog inputs, and 2 analog outputs with 12-bit resolution . This integrated architecture eliminates the need for separate I/O modules in compact applications, reducing cabinet footprint and wiring complexity. The module also incorporates two high-speed counters capable of 50 kHz operation, enabling simple motion control and encoder-based measurement tasks without additional hardware .

Powered by a 16-bit microprocessor with 14 KB of FLASH EPROM program memory, the ABB 07KT92 GJR5250500R0902 supports both stand-alone control configurations and CS31 bus-master or slave operation within distributed systems . Its dual RS-232/RS-485 serial interfaces and CS31 system bus connection provide flexible integration options for programming, peripheral communication, and network expansion. As a discontinued but actively supported component, the ABB 07KT92 GJR5250500R0902 remains a critical spare part for facilities maintaining existing Procontic CS31 and Advant OCS installations.

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Description

Technical Specifications

Parameter Name	Parameter Value
Product Model	ABB 07KT92 GJR5250500R0902
Manufacturer	ABB
Product Type	Central Processing Unit (CPU) / Basic Unit
Product Series	Procontic CS31 / AC31
Processor	16-bit microprocessor
Program Memory	14 KB FLASH EPROM
Digital Inputs	12 points, 24V DC, isolated
Digital Outputs	8 points, 24V DC, 0.5A transistor outputs
Analog Inputs	4 channels, 12-bit resolution
Analog Outputs	2 channels, 12-bit resolution, ±10V
High-Speed Counters	2 channels, up to 50 kHz, 16-bit
Communication Interfaces	COM1, COM2 (RS-232), CS31 system bus (RS-485)
Power Supply	24V DC
Power Consumption	Less than 10W
Operating Temperature	-20°C to +60°C
Protection Rating	IP20
Mounting	DIN rail or four M4 screws, vertical orientation
Dimensions	25.4 cm × 10.2 cm × 15.2 cm
Weight	0.7 kg
Programming Software	ABB Procontic 907 PC 331
Battery Option	07 LE 90 lithium-battery module
Country of Origin	Sweden

Main Features and Advantages

The ABB 07KT92 GJR5250500R0902 distinguishes itself through a highly integrated architecture that consolidates processing, digital I/O, analog I/O, and communication resources into a single compact module. This design approach delivers significant advantages for system integrators and panel builders seeking to minimize hardware count, enclosure size, and wiring complexity.

Integrated analog capability for closed-loop control: Unlike entry-level CPUs in the CS31 family, the ABB 07KT92 GJR5250500R0902 includes 4 analog input and 2 analog output channels directly on the base unit . This integrated analog functionality enables the module to handle temperature control loops, pressure regulation, and flow measurement applications without requiring separate analog expansion modules. The built-in PID algorithm support further enhances the ABB 07KT92 GJR5250500R0902’s suitability for continuous process control tasks.

Dual high-speed counters for motion and measurement: Two 16-bit high-speed counter inputs operating at up to 50 kHz provide the ABB 07KT92 GJR5250500R0902 with capabilities beyond standard PLC logic processing . These counters enable the module to interface directly with incremental encoders, flow meters, and other pulse-output sensors, supporting applications such as conveyor speed monitoring, material batching, and simple positioning control.

Flexible communication and programming interfaces: The ABB 07KT92 GJR5250500R0902 is equipped with COM1 and COM2 serial interfaces, supporting both programming operations and ASCII peripheral communication . The CS31 system bus interface allows the module to function as a bus master for distributed I/O networks or as a slave processor within larger control architectures, providing deployment flexibility across different system topologies.

Comprehensive diagnostic indicators: Front-panel LEDs on the ABB 07KT92 provide immediate visual status for digital input and output states, CPU RUN and fault conditions, and CS31 bus activity . These diagnostics enable field technicians to rapidly identify wiring issues, module faults, and network communication problems without requiring specialized test equipment.