DS200TBQCG1ABB GE Speedtronic Terminal Board Assembly

Product Description

The DS200TBQCG1ABB is a high-density Terminal Board Assembly (TBQC) designed specifically for the General Electric Speedtronic Mark V control system. This module serves as a critical transition interface, routing field signals from turbine sensors and actuators directly into the SDCC (Drive Control Card) and other core processing units. It is engineered to simplify complex field wiring by providing a centralized hub for both analog and discrete I/O distribution.

Built for the rigorous demands of industrial turbine environments, the DS200TBQCG1ABB incorporates specialized signal conditioning circuitry to ensure data integrity. Each channel is equipped with passive hardware filtering to suppress electromagnetic interference (EMI) and contact bounce, which is essential for stable turbine monitoring and protection logic. As a legacy component, this board is a vital spare for maintaining existing Mark V installations, providing a robust connection point that bridges field devices with the system's digital logic.

Technical Specifications

• Model Number: DS200TBQCG1ABB

• System Platform: GE Speedtronic Mark V

• Board Type: Analog I/O Terminal / Transition Module (TBQC)

• Functional Compatibility: Direct interface with SDCC Drive Control Cards

• I/O Configuration: Supports multiple analog voltage/current and dry contact inputs

• Signal Conditioning: Integrated RC hardware filtering for noise suppression

• Isolation Threshold: Electrical isolation per channel to protect control logic

• Terminal Interface: High-density, industrial-grade screw-type connectors

• Operating Temperature: -20 °C to +60 °C (-4 °F to 140 °F)

• Storage Temperature: -40 °C to +85 °C

• Dimensions: 170 mm x 90 mm (Standard Mark V footprint)

• Weight: 1.00 lbs (0.45 kg)

• Standard Compliance: IEC 61326-1 for industrial EMC reliability

System Role & Application

The DS200TBQCG1ABB is primarily utilized in gas and steam turbine control racks where space optimization and signal clarity are paramount. It acts as the physical layer for various turbine auxiliary systems, including fuel valve actuators, pressure transmitters, and status limit switches. By organizing field wiring into logical blocks, it allows technicians to perform rapid diagnostics and testing without disturbing the main processor cards.

Frequently Asked Questions

Is the DS200TBQCG1ABB hot-swappable?No. Because the DS200TBQCG1ABB serves as a primary transition module for analog and discrete signals, the Mark V system should be powered down or the specific control loop placed in a safe manual state before replacement to prevent accidental trips or signal loss.

What does the "ABB" suffix at the end of the part number signify?The "ABB" suffix refers to the specific hardware revision level. In GE's nomenclature, these letters indicate minor updates to the PCB layout or component sourcing that do not affect the board's fundamental backward compatibility with the Mark V system.