ABB AINT-14C Main Interface Board – ACS800 I/O & Fiber Communication – Tested

Product Overview

Original ABB AINT-14C main circuit interface board for ACS800 series drives. Functions as the I/O and communication bridge between the drive’s RDCU control unit and external PLC/DCS systems. Features 14-bit analog I/O, DDCS fiber optic channels, and Profibus DP interface. Essential for speed reference, torque limit, and status feedback signal processing.

Key Features

• Genuine ABB original – for ACS800 series drives (R7/R8/R9 frames)
• Main interface board – connects RDCU control to external I/O and networks
• 4 x Analog Inputs: 0–10V / ±10V / 0–20mA / 4–20mA, 14-bit
• 2 x Analog Outputs: 0–10V / 0–20mA
• 2 x DDCS fiber optic channels (10 MBd)
• Optional Profibus DP interface (DB9 connector)
• 24V DC supply, 2500V AC isolation
• Conformal coated board – moisture and dust protection
• 9/10 condition – original pulled, no repair

Specifications

Compatibility Note

• Compatible with ACS800 series drives (R7/R8/R9 frames)
• Plugs directly into RDCU drive control unit or connects via DDCS fiber
• Supports Profibus DP (DB9) when configured
• Requires manual configuration and parameter mapping in the drive
• Verify drive model and hardware version before ordering

Quality Assurance

• 9/10 condition – original pulled from working drive; fully functional with minimal signs of use
• Tested with no repair history
• Actual photos sent before shipping
• Test video available upon request
• ESD anti-static packaging