ABB 07KR31 central processing unit

Description

Detailed Technical Specifications
Parameter | Value
Model | ABB 07KR31
Brand | ABB
Type | Advant Controller 31 Central Processing Unit
Power Supply | 24 V DC nominal (typical Advant configurations)
Operating Temperature | Industrial range (precise value per variant)
Mounting | DIN rail or cabinet mounting as applicable
Dimensions | Compact control unit footprint (variant-dependent)
Weight | Light to moderate (variant-dependent)
Interfaces | CS31 system bus, local I/O interfaces, optional serial/Ethernet interfaces
Certifications | CE, UL, RoHS (region-dependent)
Programming/Runtime | Advant software environment compatibility
Cooling | Passive or active cooling depending on enclosure
Environmental Rating | IP-rated options per configuration
Memory/Processing | CPU speed and memory sizing vary by revision (consult datasheet)
Warranty | Typical 12–36 months depending on region and program

Product Introduction & Positioning
What this product is and how it fits into systems
The ABB 07KR31 is a CS31-based central processing unit within ABB’s Advant Controller 31 family. It functions as the brain of decentralized automation, coordinating local I/O, process logic, and communications with higher-level supervisory systems. As part of a modular control architecture, it connects to adjacent I/O modules, protection devices, and communication interfaces to form a complete automation loop. The unit is designed to integrate with ABB engineering tools, allowing straightforward configuration, monitoring, and diagnostics within ABB’s Advant software environment. For engineers and integrators, the value lies in its predictable, ABB-aligned performance, compact footprint suitable for tight enclosures, and the ability to scale control capabilities through compatible basic and expansion units. In practice, the 07KR31 is a reliable cornerstone for projects seeking cohesive control, lifecycle-managed upgrades, and dependable ABB-supported maintenance.

Key Technical Features & Functional Benefits
What makes the product strong
The ABB 07KR31 emphasizes reliable, deterministic control execution suitable for complex sequences and safety interlocks. Its architecture supports a broad range of digital and analog I/O configurations, enabling flexible mapping of sensors and actuators to control routines. The module is built for industrial environments, with considerations for EMI resilience, rugged mounting, and serviceability within standard cabinets. Integration with ABB’s Advant development tools and diagnostics simplifies commissioning and ongoing maintenance, while standardized interfaces promote compatibility with nearby controllers, field devices, and supervisor systems. The unit’s expandability, combined with ABB’s certified software ecosystem, helps engineers optimize control strategies and respond quickly to process changes. Overall, the ABB 07KR31 delivers dependable performance, modular versatility, and ecosystem alignment that technicians rely on for steady plant operation.