Technical Specifications and Hardware Overview
The ABB 1SBP260014R1001 central unit, also known as the 07KR51, serves as the core processing component within the ABB Advant Controller 31 (AC31) series. This basic unit integrates digital inputs and relay outputs, providing a compact solution for distributed automation systems . It operates on a 230V AC power supply and features 8 digital inputs at 24V DC alongside 6 relay outputs for versatile control applications . The unit’s dimensions measure approximately 85 mm x 140 mm x 120 mm (W x H x D), and it weighs around 0.55 kg to 0.7 kg . It supports DIN rail or panel mounting for flexible installation .
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | 1SBP260014R1001 / 07KR51 |
| Product Family | Advant Controller 31 (AC31) |
| Product Type | Central Unit / Basic Unit |
| Power Supply | 230V AC |
| Digital Inputs | 8 × 24V DC |
| Relay Outputs | 6 channels |
| I/O Capacity | Up to 1000 digital I/O points |
| Programming Software | AC31GRAPH, 907AC1131 |
| Real-Time Clock | Integrated |
| Dimensions (W x H x D) | 85 x 140 x 120 mm |
| Weight | 0.55 – 0.7 kg |
| Mounting | DIN rail or panel mount |
| Protection Rating | IP20 |
| Operating Temperature | -10°C to +55°C |
| Country of Origin | Switzerland |
| Product Status | Active |
Functional Capabilities and Programming
The 1SBP260014R1001 actively executes control algorithms with deterministic scan cycles, ensuring predictable response times for time-critical manufacturing processes . It supports real-time operations, and programming can be performed via AC31GRAPH or 907AC1131 software environments . The unit integrates a real-time clock for time-stamped data logging and alarm events . It supports IEC 61131-3 compliant programming languages, including ladder logic and function block diagrams . LED indicators on the front panel provide visual feedback on the controller’s operational status . The unit’s modular design allows for straightforward system expansion with additional I/O modules .
Application Scenarios and System Integration
This central unit suits industrial automation applications requiring dependable process management and real-time control capabilities . It integrates seamlessly with remote I/O modules and operator interfaces, enabling scalable architectures from standalone machines to plant-wide control systems . The ABB 07KR51 proves effective in manufacturing, utilities, and process automation . Its robust design and IP20 protection make it suitable for control cabinet installations in demanding environments. For system integrators, this unit offers a practical solution for both new projects and upgrades to existing Advant AC31-based systems.
MeloAuto-Trusted PLC & DCS Parts Supplier


