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RDCU-12C

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The ABB RDCU-12C Drive Control Unit is a rugged, DIN rail-mountable control core with versatile connectivity options and strict installation requirements, ideal for enabling reliable operation and communication in industrial variable frequency drive systems.
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Technical specifications for RDCU-12C

  • Manufacturer:
    ABB
  • Part Number:
    RDCU-12C
  • Product Family:
    ABB Drives
  • Mounting:
    Onto 35 × 7.5 mm DIN mounting rail
  • Housing materials:
    Zinc-plated steel (base); ABS/PC (cover)
  • X20 (Constant voltage output):
    2-pole detachable screw terminal block
  • X21 (Analogue I/O):
    Four 3-pole detachable screw-type terminal blocks
  • X22 (Digital inputs):
    One 3-pole and two 4-pole detachable screw-type terminal blocks
  • X23 (24 VDC output):
    2-pole detachable screw-type terminal block
  • X25-X27 (Relay outputs):
    Three 3-pole detachable screw-type terminal blocks
  • X31 (Slot 1), X32 (Slot 2):
    38-pin header (female), pitch 2 mm
  • X33 (DDCS):
    20-pin header (female), pitch 2.54 mm
  • X34 (24 VDC power input):
    3-pole detachable screw-type terminal block
  • X39 (Control panel):
    12-pin header (male), pitch 2.54 mm
  • V57, V68 (PPCS link):
    Fibre optic transmitter/receiver (10 MBd)
  • Weight:
    0.58 kg
  • Estimated shipping dimensions:
    12.6x4x28.1cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The ABB RDCU-12C Drive Control Unit is a high-performance, industrial-grade core component engineered for precise control and seamless integration of variable frequency drive (VFD) systems.  Designed with flexibility in mind, it supports both vertical and horizontal installation on a standard 35 × 7.5 mm DIN rail, making it adaptable to diverse cabinet layout requirements.  Its rugged housing combines a zinc-plated steel base for structural durability and an ABS/PC cover for reliable protection against industrial environmental factors, while the design prioritizes unobstructed airflow through ventilation holes to ensure stable thermal performance.

Equipped with a comprehensive array of terminals and interfaces, the RDCU-12C caters to extensive connectivity needs for industrial applications.  It features dedicated terminal blocks for constant voltage output (X20), analogue I/O (X21), digital inputs (X22), 24 VDC power input and output (X34, X23), and relay outputs (X25-X27), all utilizing detachable screw-type designs for easy wiring and maintenance.  Additionally, it includes female headers for expansion slots (X31, X32) and DDCS communication (X33), a male header for control panel connection (X39), and fibre optic transmitter/receiver ports (V57, V68) for 10 MBd PPCS link communication, enabling high-speed, secure data transfer in demanding industrial settings.
Alternative Names
RDCU-I2C RDCU12C RDCUI2C
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How many relay output terminal blocks does the RDCU-12C have?
Three 3-pole detachable screw-type terminal blocks (X25-X27).
What is the maximum long-term tensile load for the RDCU-12C’s fibre optic cables?
1 N.
How should I ground the I/O cable shields of the RDCU-12C?
Ground to the cubicle chassis as close to the unit as possible.
What is the minimum short-term bend radius of the RDCU-12C’s fibre optic cables?
25 mm (1 inch).
What is the communication speed of the RDCU-12C’s PPCS link?
10 MBd (via fibre optic transmitter/receiver).

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