IS200TBQDH2A - Analog I/O Terminal Board

TECHNICAL SPECIFICATIONS

Part Number: IS200TBQDH2A
Manufacturer: General Electric (GE)
Series: Mark VI
Product Type: Analog I/O Terminal Board
Board Type: Direct-Mount DIN-Rail / Cabinet Terminal Board
Application: General Purpose & High-Density Analog Signal Interfacing
Functional Group: TBQD (Analog Terminal Board)
Revision: Functional Revision H2A
Input Circuits: 4–20 mA Current Loop & Voltage Inputs
Output Circuits: 4–20 mA Sourcing Analog Outputs
Terminal Block Interface: Heavy-Duty Screw Barrier Terminal Blocks
I/O Pack Interface: Dual D-Sub / High-Density Header Connectors
Surge Protection: Integrated Noise Suppression & Transient Voltage Filters
Shield Terminals: Chassis-Grounded Shield Termination Screws
Conformal Coating: Yes
System Compatibility: GE Mark VI / Mark VIe Control Systems
Availability: In Stock
Repair Lead Time: 3–7 Days
Country of Origin: United States
Manual Reference: GEH-6421

FUNCTIONAL DESCRIPTION OF IS200TBQDH2A:

IS200TBQDH2A is an Analog Input Termination Module (AITM) designed and manufactured by General Electric as part of the Mark VI Series, which is used in GE Speedtronic Gas Turbine Control Systems. In a turbine control system, the primary role of an AITM is to serve as an interface between analog sensors and the control system. It terminates, conditions, and converts analog signals from various sensors, such as those measuring temperature, pressure, and flow, into digital signals that can be processed by the control system. An Analog Input Termination Module is commonly used in industrial automation and process control systems to connect analog field devices (like sensors and transmitters) with control systems or data acquisition equipment. The module is essential for conditioning, isolating, and terminating analog signals to ensure accurate and reliable processing.

I/O INTERFACE

It provides a field-side interface for analog signals within the GE Mark VI control-system architecture. It provides organized terminal connections for field wiring and routes the connected signals to the associated I/O hardware through its board-level connectors. Proper connection of field devices, signal wiring, shielding, and associated I/O hardware is important for maintaining reliable signal transmission and accurate control-system operation.

COMPATIBILITY

The board is associated with the GE Mark VI Speedtronic control-system family and is used as part of the analog signal interface between field instrumentation and the control system. Compatibility should be verified against the specific Mark VI system configuration, board revision, associated I/O hardware, terminal wiring, and applicable GE documentation before installation. Matching the complete part number and revision is recommended when sourcing a replacement to help ensure that the replacement board corresponds to the existing system configuration.

INSTALLATION

Before installation, verify the complete part number and revision, isolate the relevant equipment according to site safety procedures, and document the existing terminal and connector wiring. The board should be securely mounted, field connections checked against the applicable wiring documentation, and grounding and shield connections verified before the system is returned to service. After installation, the associated I/O channels and connected field signals should be checked to confirm proper operation.

WHY BUY FROM WOC

World of Controls maintains the industry's largest inventory of genuine OEM replacement components exclusively for GE Speedtronic control systems. To minimize critical plant downtime, we provide both UNUSED surplus and fully REBUILT circuit boards, processor cards, and I/O modules, each backed by comprehensive warranty protection. Every reconditioned Speedtronic component undergoes thorough diagnostic testing, circuit-level evaluation, and functional bench-testing by our experienced technical team before dispatch. In addition to direct parts supply, our facility offers complete diagnostic repair and unit exchange services with rapid turnaround times for your damaged GE Speedtronic hardware. Our dedicated team of automation specialists is available 24/7 to assist with technical selection, stock verification, and emergency component sourcing for your Speedtronic control panels. Contact us today via phone or email to request pricing, confirm live inventory, or discuss custom repair solutions for your GE Speedtronic infrastructure.

FREQUENTLY ASKED QUESTIONS:

What is the GE IS200TBQDH2A?

The GE IS200TBQDH2A is an Analog I/O Terminal Board associated with the GE Mark VI Speedtronic control-system family. It provides field-wiring termination and analog signal interfacing between connected instrumentation and the associated I/O hardware. The board is used within industrial control and turbine automation applications, with its exact signal configuration determined by the installed system architecture and applicable GE documentation.

What are common symptoms of a terminal board-related problem?

Possible symptoms can include missing or incorrect analog readings, unstable signal values, loss of an expected field signal, or problems affecting particular channels. These symptoms can also originate from field instruments, wiring, connectors, grounding, or associated I/O hardware. Troubleshooting should therefore examine the complete signal path before identifying the board as the source of the problem.

How do I troubleshoot a missing analog signal?

Start by checking the field device, wiring, terminal connections, and associated connectors for loose or damaged connections. Verify the expected signal at the appropriate points and compare the readings with the system configuration and wiring documentation. If the field signal is present but is not correctly received by the control system, the terminal board and associated I/O hardware may require further testing.

What should I check if an analog signal is unstable?

Inspect the associated field wiring, terminal connections, shielding, grounding, and connected instrumentation for potential sources of signal instability. Check whether the problem affects one channel or multiple channels, as this can help narrow down the affected section of the signal path. Further testing of the terminal board and associated I/O hardware may be required if the field-side connections are satisfactory.