The ABB AINT-24C 3AUA0000031096, also cataloged as an ACS800 Main Board and frequency converter communication board, operates as the primary interface and control component within ABB industrial drive systems. Engineered to process auxiliary power, digital input/output states, and analog control signals, this main interface board supports reliable frequency converter regulation and communication across demanding automation environments.

Model Configuration

The complete ordering code 3AUA0000031096 corresponds to the AINT-24C hardware revision. It serves as an internal processor and communication board designed for integration into ABB drive architectures.

Hardware Specifications

Backplane Communication and Controller Compatibility

The AINT-24C 3AUA0000031096 interfaces directly with the drive control architecture to manage internal communications, firmware execution, and peripheral signal processing. It accepts standard industrial control voltages, featuring 24 VDC digital input/output handling and configurable 0–10 V or 4–20 mA analog inputs. The low power consumption profile (≤5 W typical) ensures minimal thermal dissipation within the drive enclosure while maintaining deterministic response rates for converter regulation.

Installation and Electrical Integration

• Electrostatic Discharge Precautions: Handle the board using ESD-safe wrist straps and static-dissipative mats to protect sensitive microelectronics from discharge damage.
• Power Supply Requirements: Connect the auxiliary power input to a regulated 24 VDC source operating within the specified ±10% tolerance band.
• Signal Wiring: Keep analog signal wiring (0–10 V or 4–20 mA) separated from high-voltage motor cables to prevent electromagnetic coupling and signal noise.
• Mechanical Mounting: Secure the printed circuit board firmly within the designated drive slot or mounting chassis using approved standoffs and hardware.
• Verification: Inspect all connector pins and terminal block interfaces for oxidation, debris, or misalignment prior to energizing the system.

Frequently Asked Questions

• Q: What is the primary function of the AINT-24C board?

  A: It operates as a main interface and frequency converter communication board within ABB drive systems.

• Q: What auxiliary supply voltage is required to power the board?

  A: The board requires a 24 VDC auxiliary power supply with a ±10% tolerance.

• Q: What is the typical power consumption of this interface board?

  A: The typical power consumption is restricted to 5 W or less under normal operating conditions.

• Q: What analog input signal ranges are supported by the unit?

  A: It supports standard industrial analog control signals including 0–10 V and 4–20 mA.

• Q: What is the voltage specification for the digital I/O channels?

  A: The digital inputs and outputs operate at a nominal level of 24 VDC.

• Q: What is the physical weight of the hardware unit?

  A: The individual product weight is 0.1 kg.

• Q: What country is listed as the manufacturing origin?

  A: The unit is manufactured in Sweden.

• Q: What packaging dimensions should be accounted for during shipping estimation?

  A: The estimated shipping dimensions are 12.7 x 12 x 1.8 cm.