Description
ABB RMIO-11C Control I/O Board for ACS800 Drive, 3AUA0000035408
Product Overview
ABB RMIO-11C, part number 3AUA0000035408, is the main motor control I/O board for ABB ACS800 series inverters and the core component of RDCU control unit. It handles vector control calculation, signal acquisition and logic processing for the drive. It comes with analog and digital terminals and communicates with inverter modules via fiber optics. It is an essential spare part for ACS800 drive maintenance.

Key Features
- Designed for ABB ACS800 drives to execute speed and torque closed-loop control
- Built-in AI, AO, DI and relay RO channels for field signal wiring
- Fiber optic communication for strong isolation and reliable transmission
- Encoder feedback interface for high-precision speed regulation
- Galvanically isolated I/O channels for heavy industrial noise immunity
- Onboard LED indicators for status monitoring and fault diagnosis
- 24VDC control power supply for continuous diagnosis after main power loss
Applications
It is widely used in metallurgy, paper making, crane, fan and pump industries with ACS800 high-power variable frequency drives, for rolling mills, hoists and other production line transmission equipment.


