Products Description
The ABB RDCU-12C (version ASXR7360) is a compact control unit specifically designed for the ACS800 series of frequency converters. It serves as the drive's "nerve center." It integrates core functions such as command reception, status monitoring, and parameter calculation. While accepting external operating commands and sensor signals, it also outputs precise control signals to adjust the drive's operating status. It is a key component for motor speed regulation, equipment protection, and system integration.
This control unit features a modular design, boasting a compact design yet robust performance. It supports RS-485 communication protocol, enabling seamless integration with higher-level systems such as PLCs and DCSs. While its enclosure is IP20-rated, its internal circuitry is resistant to electromagnetic interference, ensuring stable signal transmission even in the complex electromagnetic environments of industrial sites, ensuring the continued reliable operation of ACS800 frequency converters on equipment such as fans, pumps, and compressors.
Product Specifications
Manufacturer: ABB
Product Numbers: RDCU-12C VERSION: ASXR7360
Product Type: Control Unit
Country of Origin: Sweden
Operating Voltage:AC 230 V
Power Consumption:Up to 1.5 A
Communication Protocol:Modbus TCP/IP
Input/Output Channels:8 Digital Inputs, 4 Digital Outputs
Operating Temperature Range:-25°C to +55°C
Power Consumption:150 mA at 24 V
Connectivity:8-pin terminal strip
Certifications:UL listed
Function Characteristic

- Precise Command Execution: Supports two digital inputs for receiving external commands such as start/stop and speed control, and eight relay outputs for operating status feedback. This fast command response allows precise control of the inverter's output frequency and motor speed, meeting the equipment's precise operating requirements.
- Stable Communication: The RS-485 communication interface enables data exchange with host systems (such as PLCs and DCSs), enabling real-time upload of inverter current, voltage, fault codes, and other information. It can also receive remote control commands, enabling centralized control of the automation system.
- Wide Operating Temperature Range: With an operating temperature range of -25°C to +55°C, the control unit can adapt to the temperature and humidity environments of most industrial workshops. Whether operating in cold northern factories or sweltering southern temperatures, it ensures stable operation without freezing or freezing due to ambient temperature fluctuations.
- Low-Power, Energy-Saving Design: With power loss of ≤1.2W, it consumes extremely low energy during continuous operation. Combined with the ACS800 inverter's energy-saving control logic, this further reduces energy consumption across the entire drive system, meeting industrial energy conservation requirements.
Our Service
100% Genuine Products – We guarantee that all products we provide are original and sourced directly from the manufacturer, ensuring authenticity and reliability.
Quality Assurance – Every product undergoes strict quality checks before shipment, giving you peace of mind with every purchase.
Competitive Pricing – We offer fair and competitive prices, helping you get the best value without compromising on quality.
Fast Local Delivery – With our well-stocked warehouse, we ensure quick and efficient delivery to our service areas, so you can get the products you need without unnecessary delays.
One-Year Warranty – All products come with a one-year warranty, providing protection and confidence in your investment.
Prompt Response – Our team replies to all inquiries within 12 hour, ensuring you receive timely assistance and support.
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