ABB RMIO-12C｜Control Board In Stock｜

RMIO-12C

ABB RMIO-12C is a drive control board used in ABB ACS800 series industrial drives and converters. It is the main processor and I/O control board inside the RDCU-12C drive control unit, providing motor control, signal processing, communication, and interface functions.

Product Identification
Item Description
Manufacturer ABB
Model RMIO-12C
Product Type Drive Control Board / Motor Control Interface Board
Application ACS800 AC drives, multidrives, converter systems
Installed In RDCU-12C control unit
Function Drive control, I/O processing, communication management

Main Functions

The RMIO-12C performs the central control functions of the ACS800 drive system:

Motor speed and torque control
Drive parameter management
Analog and digital signal processing
Protection and monitoring functions
Communication with optional modules
Control panel interface
Data exchange with power stage electronics through ABB internal communication links

In ACS800 systems, the RDCU-12C contains the RMIO-12C board, which connects to converter power modules through fiber optic communication.

Standard I/O Interface

The RMIO-12C provides integrated drive I/O including:

Analog Inputs
3 differential analog inputs
Galvanically isolated as a group
Configurable voltage/current inputs

Typical ranges:

Channel Signal
AI1 0(2)–10 V
AI2 0(4)–20 mA
AI3 0(4)–20 mA

Resolution:

Voltage input: approximately 12-bit
Current inputs: approximately 11-bit
Analog Outputs
2 analog outputs
0(4)–20 mA signal range
Used for speed, current, torque, or monitoring signals
Digital Inputs
7 digital inputs
24 VDC logic level
Used for:
Start/Stop commands
Forward/Reverse control
Speed selection
External interlocks