DS200DTBBG1A GE Contact Input Termination Module

General Electric DS200DTBBG1A Mark V Contact Input Expansion Module

General Electric DS200DTBBG1A Mark V Contact Input Expansion Module

Availability: 10 left in stock

The General Electric DS200DTBBG1A, also cataloged as the DS200DTBB Contact Input Expansion Termination Module, operates as a dedicated hardware component...

SKU: DS200DTBBG1A

Manufacturer: General Electric
Product No.: DS200DTBBG1A
Product Type: Digital Input Cards
Product Origin: China
Payment:T/T, Western Union
Weight: 750g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The General Electric DS200DTBBG1A, also cataloged as the DS200DTBB Contact Input Expansion Termination Module, operates as a dedicated hardware component for contact input signal termination and routing within Mark V Speedtronic Turbine Control System platforms.

Hardware Specifications

Parameter	Specification
Model	DS200DTBBG1A
Brand	General Electric
Origin	USA
Weight	Standard PCB weight (~0.75 kg / 1.65 lbs)
Dimensions	Standard Mark V full-height card cage footprint
Operating Temp	0 to 60 deg C
Power Consumption	Bus input scaled per terminal and contact configuration
Series	Mark V
Functional Acronym	DTBB
Functional Revision	Revision A
PCB Coating	Normal Coating
Terminal Connections	2 terminal blocks (TB1, TB2) with capacity up to 110 signal wires
Ribbon Interface	3 50-pin header connectors (Designated JFF, JFG, JFH)
Power Interface	JY 125 VDC power connector from DTBA board / external supply
Specialized Connectors	JRR TCDA contact input connector, bayonet connectors, auxiliary JRS/T connector
Hardware Customization	5 onboard configuration jumpers

Backplane Bus Communication & I/O Density Scaling

Configured to interface directly with the Speedtronic Mark V I/O core, the module expands digital input handling across dense field termination fields. It manages signal routing into deterministic backplane networks, maintaining channel state integrity across wide terminal density scales. Firmware flash compatibility across connected primary processing cards allows high-density digital contact states to be scanned and communicated with minimal propagation latency.

Frequently Asked Questions

Q: What specific digital contacts are assigned to the DS200DTBBG1A terminal board?

A: The DS200DTBBG1A serves as the termination board for digital contact inputs 47 through 96, with field wires landing directly on terminal blocks TB1 and TB2.

Q: Under what condition is an external power supply required for the DS200DTBBG1A?

A: An external supply is required when operating with 24 VDC inputs, requiring disconnection from the core power distribution board and direct connection of 24 VDC to the terminal board power interface.

Q: How do solid-state field contacts affect the open state voltage reading on input channels?

A: Solid-state field contacts may exhibit leakage current that maintains sufficient voltage in an open state to cause the board logic to register the contact as closed.

Field Installation Guidelines

Power Isolation: Disconnect all main power sources to the cabinet and isolate field contact wetting voltages before servicing terminal connections.
Ribbon Cable Cable Identification: Label all 50-pin ribbon cables connected to headers JFF, JFG, and JFH prior to disconnection to prevent improper cross-ribbon cable insertion.
Field Wire Termination: Map each field conductor to its specific terminal block and number ID (e.g., TB1-90, TB2-48) and verify secure retention under terminal screws.
Power Supply Selection: Verify whether 125 VDC or external 24 VDC power is utilized and configure input power connectors accordingly before applying power.
Jumper Configuration: Set the 5 onboard jumpers to match the precise hardware and voltage sensing configuration specified in the site wiring drawing.

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