• ABB SDCS-FEX-2A 3ADT311500R1
  • ABB SDCS-FEX-2A 3ADT311500R1
  • ABB SDCS-FEX-2A 3ADT311500R1
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ABB SDCS-FEX-2A 3ADT311500R1 Field Exciter Board

ABB SDCS-FEX-2A 3ADT311500R1 Field Exciter Board

Description

The ABB SDCS-FEX-2A (3ADT311500R1) is a specialized field exciter board designed for integration into ABB DCS 500 and DCS 600 DC drive systems. This module regulates the field current of...

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SKU: SDCS-FEX-2A 3ADT311500R1
Proveedora: ABB
tipo: Field Exciter Board
Related Series:

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  • Garantía genuina: Suministramos únicamente piezas de automatización industrial 100% originales, nuevas y selladas de fábrica .
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Description

The ABB SDCS-FEX-2A (3ADT311500R1) is a specialized field exciter board designed for integration into ABB DCS 500 and DCS 600 DC drive systems. This module regulates the field current of DC motors to ensure stable and efficient motor operation. The assembly integrates both the power section and the control logic into a single, compact unit intended for internal mounting within the armature converter module.

Features

  • Integrated power and control circuitry for DC motor field excitation.
  • Half-controlled bridge configuration utilizing two power modules, each containing one diode and one thyristor.
  • Digital control system based on an 80C198 microcontroller with PI current control.
  • Automatic current range selection (3 A to 16 A) to optimize resolution for smaller field currents.
  • Compatible with DCS 500B and DCS 600 MultiDrive systems.
  • Non-volatile parameter storage via the armature converter, updated during initialization via RS485 link.

Applications

  • DC motor control in steel and chemical processing plants.
  • Industrial drive systems for heavy-duty manufacturing.
  • Power island management for large-scale industrial infrastructure.
  • Retrofit and maintenance support for legacy DCS 500/600 drive series.

Technical Specifications

Product Model SDCS-FEX-2A
Order Code 3ADT311500R1
Input Voltage Range 110 V to 500 V AC (Single-phase)
Max DC Output Current 8 A (for 25-75 A converters) / 16 A (for 100-2000 A converters)
Operating Temperature 0 degC to +60 degC
Storage Temperature -40 degC to +85 degC
Relative Humidity 5-95% (non-condensing)

Installation Guidelines

  • Mounting: Install inside the armature converter module adjacent to the SDCS-POW-1 electronic power supply. Compatible with DCS module types C1, C2, and A5.
  • Connection: Use the X14 flat cable to establish communication with the SDCS-CON-2 controller.
  • EMC Compliance: It is highly recommended to install a commutating reactor in the field power converter's supply circuit to minimize electromagnetic interference.
  • Handling: Ensure the system is powered down before inserting or removing the board. Follow standard ESD (Electrostatic Discharge) precautions during handling.
  • Configuration: Ensure parameter 15.05 in the drive software is set to the correct field exciter type (typically value 2) upon installation.

FAQ

What is the primary function of this board?

It serves as a field exciter power supply for DC drive systems, regulating the excitation current required for stable DC motor operation.

Which drive systems are compatible with this board?

The SDCS-FEX-2A is designed for the ABB DCS 500 and DCS 600 series. It must be correctly configured in the drive software parameters to ensure proper communication and control.

How is the board controlled?

The board is controlled by an onboard 80C198 microcontroller that receives firing pulses and control signals from the main controller (SDCS-CON-2) via a dedicated flat cable connection.