GE DS200TCDAH1B | Digital I/O Board

Product code: N/A

GE DS200TCDAH1B | Digital I/O Board

Original price was: ¥99,999.00.Current price is: ¥1,588.00.

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Detailed content

Product Description

The GE DS200TCDAH1B / DS200TCDAH1BHE is a Digital I/O Board used in the GE Speedtronic Mark V turbine control system. The TCDA board processes digital contact input signals from associated DTBA/DTBB terminal boards and contact output signals from TCRA boards, with processed signals communicated through the Mark V I/O network. The board includes two 50-pin connectors, two 3-pin connectors, eight hardware jumpers, a 10-LED diagnostic block, a side-mounted status LED, and circuit test points. The complete DS200TCDAH1BHE revision should be matched against the original installation because Mark V board revisions and hardware configurations can differ. The referenced listing identifies the item as Used – Clean and Tested, with a 60-day warranty.

Product Datasheet

Specification	Details
Brand	General Electric (GE)
Model	DS200TCDAH1B
Full Part Number	DS200TCDAH1BHE
Series	Speedtronic Mark V
Functional Acronym	TCDA
Product Name	Digital I/O Board
Product Type	Digital Input/Output Control PCB
Primary Application	Mark V Turbine Control
Digital Signal Function	Contact Input and Contact Output Processing
Input Source	DTBA / DTBB Terminal Boards
Output Source	TCRA Relay / Output Boards
IONET Interface	JX1 / JX2 and associated IONET circuitry
Ribbon Connectors	2 × 50-pin connectors
Auxiliary Connectors	2 × 3-pin connectors
Hardware Jumpers	8
Diagnostic LEDs	1 block of 10 LEDs + 1 side LED
Test Points	Provided
PCB Coating	Conformal-coated
System Location	Applicable Mark V I/O cores
Condition	Used – Clean and Tested
Warranty	60-Day Warranty
Discontinued Status	Legacy Mark V component; verify system support

Functional Features

⚙️ Digital Contact Processing: The TCDA board handles digital contact input signals received from the Mark V terminal boards and processes contact output signals associated with TCRA boards.

⚙️ IONET Communication: Processed I/O information is transferred through the Mark V I/O network to the appropriate control-system hardware.

⚙️ Multiple Interfaces: Two 50-pin connectors and two 3-pin connectors provide the board-level connections required by the Mark V architecture.

⚙️ Hardware Configuration: Eight jumpers provide configuration options for the board. Their positions should be compared with the original installation before commissioning.

⚙️ Diagnostic Indication: A block of ten LEDs plus a side-mounted LED provides visual information useful during troubleshooting.

⚙️ Test Points: Dedicated test points allow qualified technicians to perform electrical checks during maintenance.

⚙️ Mark V Integration: The board is used in applicable digital I/O cores and works with associated terminal and relay boards within the Speedtronic architecture.

FAQ

Q: What is the GE DS200TCDAH1B used for?
A: It is a Digital I/O Board used in GE Mark V turbine control systems for processing digital contact inputs and outputs.

Q: What does TCDA stand for?
A: TCDA is the functional acronym associated with the Mark V Digital I/O Board.

Q: What is the difference between DS200TCDAH1B and DS200TCDAH1BHE?
A: DS200TCDAH1B identifies the base board, while DS200TCDAH1BHE identifies a specific revision/configuration. The complete part number should be matched before replacement.

Q: How many jumpers are on the board?
A: The documented DS200TCDAH1BHE configuration has eight hardware jumpers.

Q: How many connectors does the board have?
A: The documented configuration includes two 50-pin connectors and two 3-pin connectors.

Q: Can another DS200TCDA revision replace this board?
A: Do not assume direct interchangeability. Compare the complete part number, revision, jumper settings, connectors, I/O configuration, and Mark V system documentation before installation.

Troubleshooting & Safety

🛠️ Digital input fault: Check DTBA/DTBB terminal-board wiring, field contacts, ribbon connections, connector seating, and the corresponding diagnostic LEDs.

🛠️ Digital output fault: Inspect the associated TCRA boards, output wiring, terminal connections, and the TCDA interface.

🛠️ IONET communication problem: Check the applicable IONET connections, termination configuration, board seating, and Mark V diagnostics.

🛠️ Intermittent I/O: Inspect the two 50-pin connectors, 3-pin connectors, ribbon cables, jumpers, and backplane connections for looseness or contamination.

🛠️ Board fault after replacement: Compare all eight jumper positions and the complete board revision with the original unit before commissioning.

⚠️ Disconnect and isolate Mark V system power before removing or installing the PCB.

⚠️ Use appropriate ESD protection when handling the board.

⚠️ Do not change jumper positions without confirming their intended function for the specific Mark V installation.

⚠️ Follow site lockout/tagout procedures and the turbine manufacturer’s approved maintenance procedure.

⚠️ Verify the complete DS200TCDAH1BHE identification before installation; visually similar Mark V boards should not be assumed interchangeable.