• ABB RDCU-02C ASXR7220
  • ABB RDCU-02C ASXR7220
  • ABB RDCU-02C ASXR7220
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ABB RDCU-02C ASXR7220 Drive Control Unit

ABB RDCU-02C ASXR7220 Drive Control Unit

Description

The ABB RDCU-02C (Product ID: 64607901) is a high-performance drive control unit designed for the ACS800 series of low-voltage AC drives. Serving as the central control board, this unit manages...

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Availability: In stock

SKU: RDCU-02C ASXR7220
Vendor: ABB
Category: Drive Control Unit
Related Series:

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Description

The ABB RDCU-02C (Product ID: 64607901) is a high-performance drive control unit designed for the ACS800 series of low-voltage AC drives. Serving as the central control board, this unit manages motor control, I/O connectivity, and system diagnostics. It is supplied as a coated spare part for maintenance and replacement in industrial automation systems.

Features

  • Central control board for ABB ACS800 series drives
  • Integrated fiber optic TX/RX for reliable PPCS communication (10 MBd)
  • Versatile I/O: 3 analog inputs, 2 programmable analog outputs, 7 digital inputs, and 3 relay outputs
  • Supports precise speed and torque regulation
  • Robust, detachable terminal blocks for ease of maintenance
  • Auxiliary +24 V DC output for external devices

Applications

  • Power & Energy: Wind converters and hydro plant control systems
  • Petrochemical & Chemicals: Process control for oil, gas, and chemical plants
  • Water & Wastewater: Pumping and distribution management
  • HVAC: Industrial ventilation and large-scale cooling systems
  • Heavy Industry: Motor load control for mining and cement manufacturing

Technical Specifications

Product Model RDCU-02C ASXR7220
Product ID 64607901
Voltage (Reference) +10 V DC
Analog Inputs 3 (1x Voltage, 2x Current)
Digital Inputs 7 (24 V DC, 1 ms filtering)
Relay Outputs 3 (Changeover, 2 A at 24 V DC / 115-230 V AC)
Power Consumption 250 mA (typical) / 1200 mA (max with options)
Isolation Test 500 V AC, 1 min
Operating Temperature 25 degC (reference for accuracy)
Weight 0.55 kg

Installation Guidelines

  • Mounting: The unit is designed for installation on a 35 x 7.5 mm DIN mounting rail.
  • Grounding: Secure the base plate to the rail using two screws. These screws are critical for functional grounding; ensure contact surfaces are clean and free of oxidation or grease.
  • Clearance: Maintain adequate space around the ventilation holes to allow free airflow. Avoid mounting directly above heat-generating components.
  • EMI Protection: Maintain a minimum separation of 500 mm from high-EMI sources such as motor cabling, brake choppers, or contactors to prevent signal interference.
  • Safety: Always power down the drive system before inserting or removing the control unit or any option modules.

FAQ

What is the ABB RDCU-02C?

The ABB RDCU-02C is a drive control unit that serves as the primary control board for ABB ACS800 series frequency converters, managing motor control, communication, and I/O tasks.

Which drive models are compatible with the RDCU-02C?

It is primarily designed for the ACS800 drive family, including the ACS800-04 and ACS800-04M series.

How is the unit powered?

Power is supplied via connector X34 at 24 V DC. It can also be powered by the inverter's internal power supply board, provided the total current draw does not exceed 1 A.