The 07KT98 (GJR5253100R0260) is the central processing unit (CPU) for the ABB Advant Controller 31 (AC31) system. Specifically engineered for the Advant OCS (Open Control System) platform, this basic unit serves as the primary logic engine for small-to-mid-scale industrial automation. It integrates a high-speed real-time processor, non-volatile program memory, and specialized communication interfaces within a robust, compact enclosure designed for DIN-rail or panel mounting.
As a dedicated processing node, the 07KT98 (GJR5253100R0260) does not feature onboard I/O terminals, which maximizes its processing efficiency and minimizes heat generation. Instead, it coordinates system-wide operations by interfacing with remote I/O modules via ABB’s proprietary OCS fieldbus and CS31 system bus. This architecture allows the 07KT98 (GJR5253100R0260) to be deployed as a centralized controller in space-constrained cabinets, while inputs and outputs are distributed closer to the field devices in thermal power plants, water treatment skids, or manufacturing lines.
The 07KT98 is characterized by the following industrial technical parameters:
Manufacturer: ABB
Model Number: 07KT98
Order Number: GJR5253100R0260
Series: Advant Controller 31 (AC31)
Product Type: Basic Processing Unit (CPU)
System Compatibility: Advant OCS / CS31 Fieldbus
Memory Architecture: Integrated Flash EPROM for programs; RAM with battery backup for data
Communication Interfaces: Dual RS-485 ports (Proprietary OCS and CS31 protocols)
Diagnostic Display: Front-panel status LEDs for CPU health, Bus activity, and Fault detection
Power Supply: 24 VDC (-15% / +20%)
Current Consumption: 0.3A at 24 VDC
Operating Temperature: 0 °C to +55 °C (32 °F to 131 °F)
Storage Temperature: -40 °C to +70 °C (-40 °F to 158 °F)
Protection Rating: IP20
Dimensions: 254 mm (W) × 152 mm (H) × 102 mm (D)
Weight: 0.5 kg (1.1 lbs)
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