Product Overview

The GDC806A2002, cataloged under part number 3BHE028761R2002, is a high-precision printed circuit board assembly designed for the ABB Advant OCS and 800xA industrial ecosystems. This module functions as a specialized signal processing unit, providing high-speed measurement updates in under 40ms to support real-time deterministic control. Engineered for reliability in hazardous or electrically noisy environments, the card features robust channel-to-channel electrical isolation and adheres to strict EN 50020 safety standards. Its architecture is specifically optimized for integration with S800 I/O clusters and AC 800M controllers, serving as a critical bridge for data acquisition and voltage regulation in complex power electronics and drive systems.

Hardware Parameters and Technical Specifications

The 3BHE028761R2002 is built with industrial-grade durability, featuring conformal coating and military-spec substrates to resist chemical contaminants and vibration.

• Manufacturer ABB

• Model Designation GDC806A2002

• Part Number 3BHE028761R2002

• Measurement Refresh Rate < 40 ms

• Isolation Rating 250Veff (compliant with EN 50020)

• Power Consumption Low-draw 600mW design

• Voltage Regulation Uo ≤ 21V

• Current Limitation Short-circuit protection Ik ≤ 28.5mA

• System Series Advant OCS / Industrial IT 800xA

• Physical Weight 1.2 kg

• Dimensions 44.8 cm x 17.3 cm x 3.2 cm

• Maintenance Feature Supports Hot-Swap functionality for zero-downtime replacement

• Origin Sweden

Industrial Applications and Operational Use Cases

This PCB card is a standard component in heavy industry where signal integrity and continuous process availability are non-negotiable.

• Power Generation Control Managing excitation signals and turbine parameters where high-speed isolation is required to prevent equipment damage.

• Large-Scale Industrial Drives Providing the interface for current and voltage sensing in motor control centers (MCC) for mining and metal rolling mills.

• Continuous Process Industries Serving as a high-density I/O link for chemical plants and oil refineries that utilize the ABB 800xA Distributed Control System (DCS).

• Grid Stabilization Systems Implementing precise voltage regulation in STATCOM or HVDC stations to ensure power quality.

• Substation Automation Interfacing with field instrumentation to provide real-time status updates to the supervisory control layer.

The inclusion of high-density interconnects and optimized trace routing ensures that the GDC806A2002 delivers ultra-low signal latency, making it a preferred choice for 24/7 mission-critical automation loops.