DS200TBQGG1AAA - Genius I/O Interface Termination Module

SPECIFICATIONS:

Part Number: DS200TBQGG1AAA
Manufacturer: General Electric
Series: Mark V
Board Type: Genius Terminal Board (TBQG)
Nominal Input Voltage: 24 VDC
Output Drive Voltage: 24 VDC
Analog Signal Range: 0–5 VDC
Communication Bus: Genius I/O Bus
Isolation Voltage: 1500 V RMS
Operating Temperature: 0 °C to +60 °C
Weight: 1.7 lbs
Connectors: JR, JQ, JX1, JX2
Availability: In Stock
Country/Region of Manufacture: United States
Repair: 3-7 Days
Manual: GEH-6153

FUNCTIONAL DESCRIPTION:

DS200TBQGG1AAA is a Genius I/O Interface Termination Module manufactured and designed by General Electric as part of the Mark V Series used in GE Gas Turbine Control Systems. The Genius Terminal Board functions as the primary interface for connecting external field devices to the GE Mark V control system. It provides termination points for both analog and digital signals, facilitating communication with the Genius Bus Controller. The board ensures that signals are properly routed, isolated, and conditioned before being processed by the control modules. It is designed to handle high-density wiring, maintain electrical integrity, and enable reliable data transfer between the turbine control system and distributed I/O networks.

INSTALLATION:

The I/O Interface Termination Module is installed within the GE Mark V control system to provide field signal termination and interface with the Genius I/O Bus. Proper installation requires secure mounting, grounding, and precise wiring connections to ensure stable operation and noise-free communication with the I/O processors. Careful verification of wiring, grounding, and connector alignment is essential before system power-up.

• Mount the board into the assigned Mark V panel slot using rack mounting hardware.
• Connect grounding points to the system ground to maintain shielding and noise suppression.
• Terminate field I/O wiring on the designated terminal blocks, observing signal type and polarity.
• Tighten terminal screws to the specified torque to prevent loose connections.
• Connect the Genius I/O Bus cable or backplane connector to establish communication with the controller.
• Verify wiring continuity, grounding, and connector alignment before energizing.
• Power up the system and confirm board recognition through Mark V diagnostic tools.

OPERATION:

The I/O Interface Termination Module serves as a critical interface between the external field wiring and the GE Mark V turbine control system. Its main function is to terminate, condition, and transmit both analog and digital input/output signals to the I/O processors via the Genius I/O Bus. The board incorporates signal isolation, grounding, and shielding to ensure reliable performance in electrically noisy turbine environments. Managing signal integrity and bus communication it enables precise monitoring and control of turbine processes, protecting the system from disturbances and ensuring continuous operation.

• Signal Termination – Accepts multiple field inputs and outputs (analog/discrete) through terminal blocks, providing secure and organized wiring.
• Signal Conditioning – Stabilizes and prepares input signals before they are routed to the control processors.
• Routing Function – Directs signals to the correct Mark V I/O channels for processing and control execution.
• Bus Communication – Establishes a communication path with the Genius I/O Bus Controller for distributed data transfer.
• Isolation & Protection – Incorporates isolation techniques to prevent electrical interference, ground loops, and cross-talk between signals.
• Noise Suppression – Uses grounding and shielding to minimize EMI/RFI disturbances common in turbine applications.
• Data Integrity – Maintains accurate and noise-free signal transmission, ensuring proper synchronization between field devices and control logic.
• Continuous Monitoring – Supports real-time monitoring of turbine parameters through stable and fault-free communication with the Mark V system.

WORLD OF CONTROLS maintains the largest inventory of GE Mark V Gas Turbine Control System replacement parts, providing quick and reliable access to essential components. In addition to supplying new parts, we offer expert repair services for faulty boards and provide unused or rebuilt parts, all backed by a comprehensive warranty to ensure performance and reliability.

Our team of skilled engineers and technicians is available 24/7, ready to support all your OEM and automation needs, from troubleshooting and installation to technical guidance. For pricing, availability, or assistance with any parts or repairs, contact our team by phone or email, and we will ensure your operations continue smoothly with minimal downtime.

FREQUENTLY ASKED QUESTIONS:

What is the core function of the module?

The module provides termination, routing, and electrical isolation for analog and discrete I/O signals between field devices and Mark V I/O processors. It conditions input signals to remove noise and ensures proper voltage and current levels for compatibility with the control system.

Which signal types are supported?

The module supports discrete digital signals with a nominal voltage of 24 VDC and analog signals in the ranges of 0–5 VDC, 0–10 VDC, or 4–20 mA. All signals are conditioned and isolated to maintain accuracy and prevent crosstalk.

How does it interface with the Mark V control system?

Field wiring is connected to the module via screw-type terminal blocks, and the module communicates with the Genius I/O Bus Controller through backplane or bus connectors. Data is transmitted to the I/O processors using the distributed I/O architecture of the Mark V system.