Skip to content

What are you looking for?


You may also like

ABB CMIB-11C ACS800 Rectifier Unit Control BoardABB CMIB-11C ACS800 Rectifier Unit Control BoardABB CMIB-11C ACS800 Rectifier Unit Control Board
ABB CMIB-11C ACS800 Rectifier Unit Control Board
ABB CMIB-11C ACS800 Rectifier Unit Control Board
ABB CMIB-11C ACS800 Rectifier Unit Control Board

ABB CMIB-11C ACS800 Rectifier Unit Control Board


Only 10 left - Selling fast

PRODUCT SKU : CMIB-11C 3AUA0000041488

PRODUCT TYPE : Control Boards

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The ABB CMIB-11C 3AUA0000041488, also cataloged as the CMIB-11C Main Control Interface Board, operates as a dedicated hardware component for gate firing control and optical bus execution within ABB ACS800 drive platforms.

Hardware Specifications

Parameter Specification
Model CMIB-11C 3AUA0000041488
Brand ABB
Origin United States (US) / Finland (FI)
Weight 0.8 kg
Dimensions Standard ACS800 Frame Specification
Operating Temp -10 to +55 deg C (Standard Industrial Range)
Power Consumption Internal Drive Control Bus Driven
Module Designation Main Control Interface Board (MC Interface Board)
System Compatibility ACS800 Series Rectifier Units / Drives

Firmware Flash Compatibility & Deterministic Control Execution

The control interface board establishes direct internal communication with the main processing unit to process real-time rectifier firing sequences. Integrated logic transceivers maintain firmware flash compatibility, preventing execution jitter or clock desynchronization across the backplane communication channel. The hardware layout maintains continuous scan rates and noise immunity, enabling reliable switching commands to power semiconductor modules under high electrical transient loads.

Frequently Asked Questions

Q: How is primary control logic power routed to the CMIB-11C board?

A: The board receives operational low-voltage power directly from the internal drive backplane bus connections, requiring no external auxiliary power supply wiring.

Q: What precautions should be taken when replacing a CMIB-11C interface board?

A: Ensure complete electrical isolation of the drive system and allow internal DC bus capacitors to discharge fully prior to board removal or installation to prevent electrostatic discharge damage.

Field Installation Guidelines

  • Verify that all AC line power and auxiliary feeds to the ACS800 drive unit are disconnected before touching or installing internal electronics.
  • Handle the circuit board by its outer edges while wearing a grounded electrostatic discharge (ESD) wrist strap to prevent static damage to sensitive surface-mount components.
  • Align board retention standoffs precisely and tighten mounting screws to the specified torque setting to ensure grounding continuity to the chassis.
  • Ensure all optical fiber cables and ribbon wire harnesses are seated squarely into their respective board headers without applying excessive tension.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Redundant Automation Systems: Core Architecture, Business Value, and Technical Advantages

Redundant Automation Systems: Core Architecture, Business Value, and Technical Advantages

Unplanned downtime poses a major financial threat to process manufacturing. To prevent costly interruptions, engineers deploy redundant PLC and DCS architectures that ensure continuous operation when hardware fails. This technical guide explores redundancy principles, critical system nodes, and real-world scenarios.

Read more
Preventing Emergency Stop Spurious Trips in Industrial Control Systems

Preventing Emergency Stop Spurious Trips in Industrial Control Systems

Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.

Read more
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies

Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies

Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.

Read more