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IS200TFBAH1A - Temperature Feedback Module is available in stock which ships the same day.
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TECHNICAL SPECIFICATIONS:
Part Number: IS200TFBAH1A
Manufacturer: General Electric (GE)
Series: Mark VIe
Functional Acronym: TFBA
Product Type: Temperature Feedback Module / Signal Conditioning Board
Supported Sensor Interfaces: Thermocouples, RTDs, Thermistors
Signal Conditioning: Amplification, Filtering, Linearization
Primary Board Components: Processing IC, Configuration Jumper Array (J3), Hardware ID Chip
Isolation Topology: Onboard Isolation Transformer
Substrate Protection: Conformal Coating
Output Interface Support: Internal Bus / Conditioning Lines
Number of Channels: Multiple independent high-resolution thermal channels
Channel Configuration: Multi-channel terminal block landing paths
Cold Junction Compensation: Dynamic hardware-level tracking
Input Isolation Barrier: Galvanic isolation safeguarding processing chips
Ambient Operating Temperature: -30�C to +65�C (-22�F to +149�F)
Storage Temperature Range: -40�C to +85�C (-40�F to +185�F)
Relative Humidity: 5% to 95% non-condensing
Repair / Evaluation Lead Time: 3�5 Business Days
Availability: In Stock
Country of Origin: United States (USA)
Manual Reference: GEH-6721
The IS200TFBAH1A is a Temperature Feedback Module designed and manufactured by General Electric as part of the Mark VIe Distributed turbine control series. Operating as an essential telemetry interface, the card processes critical, low-voltage analog temperature metrics sourced from sensors embedded within the heavy-duty gas or steam turbine infrastructure. Conditioning and translating these raw field readings into stable datasets, it allows the primary controller to execute complex protective loop choices based on precise exhaust, bearing, or housing thermal statuses.
THERMAL SIGNAL CONDITIONING AND LINEARIZATION
Raw signals from industrial thermocouples and Resistance Temperature Detectors (RTDs) are inherently susceptible to electrical noise and low-amplitude distortions. The TFBA board addresses this via an optimized array of onboard signal conditioning circuits. This hardware section applies amplification, transient filtering, and exact linearization adjustments to convert raw field data into clean, repeatable analog values or digital signals that line up with standard system processing parameters.
MAGNETIC ISOLATION AND HARDWARE COMPONENTS
To safeguard low-voltage control processors against major field ground loops or system high-voltage transients, the PCB features a massive, centrally positioned cube-shaped electrical isolation transformer. This structural element decouples the field-facing termination layers from the downstream logic. Additionally, a specialized configuration jumper matrix (labeled J3) is mounted along the board edge, enabling field engineers to alter specific processing paths or hardware feedback modes manually.
EMBEDDED REVISION AND IDENTITY DIAGNOSTICS
The board includes a permanent, on-substrate read-only serial identification chip. During standard power-up initialization routines, the master I/O pack queries this tracking chip to confirm the card's specific part number, manufacturer serial code, and functional hardware revision level (H1A). If a component mismatch is discovered, the controller automatically flags an operational interlock alarm to avoid configuration faults.
WHY PARTNER WITH WORLD OF CONTROLS
World of Controls specializes in supplying high-quality, warranty-backed OEM replacement parts, including unused surplus and professionally rebuilt components for critical turbine control and industrial automation systems like the General Electric Mark VI and Mark VIe platforms. To minimize customer downtime and ensure original equipment standard compliance, every component undergoes rigorous inspection, testing, and verification in an advanced electronics lab. Beyond parts distribution, the company delivers comprehensive, global support through 24/7 technical assistance, expert troubleshooting, component repair services, and rapid shipping, ensuring optimal efficiency and long-term reliability for critical industrial operations worldwide.
What is GE IS200TFBAH1A?
It is a Temperature Feedback Module manufactured by General Electric for the Mark VIe Distributed turbine control series. It isolates, conditions, and processes raw analog inputs from thermal sensors (such as thermocouples or RTDs) to provide accurate temperature tracking to the I/O processors.
What hardware filtering does the board use to eliminate contact bounce?
Every discrete input path features an inline RC electronic filter network that removes high-frequency transient noise and mechanical contact bounce before signals reach the digital backplane.
How does the module detect a broken field wire versus an open switch?
It utilizes a continuous diagnostic bias current loop. If the current drops below a specific leakage threshold when a contact is open, the system triggers a wire-break alarm.
How does the DTBA interface with the main Mark VIe processors?
It terminates raw field inputs and routes them via JQ/JR ribbon cables to TCDA or PMVD migration modules, which process and convert the data for the high-speed IONet network.
What protects the low-voltage processing logic from field surges?
The board layout maintains strict creepage and clearance distances across the substrate, creating a galvanic isolation barrier that prevents 125 V DC field excitation surges from reaching the logic core.
What is the maximum contact-wetting voltage the board can handle?
The internal traces and surface-mount resistors are rated to distribute up to a 125 V DC nominal excitation field, allowing it to clear oxide buildup on older mechanical field switches.
