DS200DTBAG1A GE Digital Contact Board

GE DS200DTBAG1A Mark V LM Digital Contact Terminal Board

GE DS200DTBAG1A Mark V LM Digital Contact Terminal Board

Availability: 10 left in stock

The GE DS200DTBAG1A, also cataloged as the DS200DTBA Digital Contact Terminal Board, operates as a dedicated hardware component for contact...

SKU: DS200DTBAG1A

Manufacturer: General Electric
Product No.: DS200DTBAG1A
Product Type: Digital I/O Cards
Product Origin: China
Payment:T/T, Western Union
Weight: 750g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The GE DS200DTBAG1A, also cataloged as the DS200DTBA Digital Contact Terminal Board, operates as a dedicated hardware component for contact input signal termination and optical isolation interface within Mark V LM Turbine Control System platforms.

Hardware Specifications

Parameter	Specification
Model	DS200DTBAG1A
Brand	GE (General Electric)
Origin	USA
Weight	Standard PCB footprint
Dimensions	Standard Mark V card slot size
Operating Temp	0 to 60 deg C
Power Consumption	125 VDC / 24 VDC excitation power driven
Functional Acronym	DTBA
Product Type	Digital Contact Terminal Board
Signal Capacity	First 46 contact inputs in digital core connected to TCDA
Installation Slots	Core locations Q11, Q21, and Q51
Excitation Voltage	125 VDC or 24 VDC options via TB2 terminal board
Interrogation Isolation	Hardware jumpers for 8-contact input groupings
Sequence of Events (SOE)	1 ms timestamp resolution via TCDA CPU
Power Interfacing	Connector JY receives 125 VDC from DTBA board
Functional Revision	Group 1, Revision A

Backplane Bus Communication Velocity & I/O Density Scaling

The DS200DTBAG1A maximizes digital I/O density scaling by routing field contact inputs to the TCDA board across designated core locations (Q11, Q21, and Q51). Digital state transitions are processed with optical isolation on the TCDA card, where the onboard CPU executes time-stamping within 1 millisecond of status changes to ensure high-velocity backplane bus communication velocity and accurate event sequencing. Hardware jumpers arranged in eight-contact input groupings provide complete isolation of field grounds, maintaining operational integrity and full firmware flash compatibility across Mark V LM controller platforms.

Frequently Asked Questions

Q: How is the interrogation voltage isolated to resolve field ground faults on the DTBA board?

A: Interrogation voltage (125 VDC or 24 VDC) can be cut off, allowing hardware jumpers configured in eight-contact input groupings on the DTBA board to isolate field grounds.

Q: What is the sequence of events (SOE) resolution for contact input state changes through this board?

A: Contact inputs are optically isolated on the connected TCDA board, where the CPU assigns a precise time stamp within 1 millisecond of any input status change.

Field Installation Guidelines

De-energize all primary controller power supply feeds and contact input interrogation voltage lines prior to opening the cabinet.
Verify zero-energy state across all screw terminals on the DTBA board using a calibrated multi-meter.
Wear a grounded ESD wrist strap throughout installation to prevent electrostatic damage to onboard solid-state components.
Ensure all adjustments to isolation jumpers arranged in eight-contact groupings are completed strictly while the turbine is fully shut down and not in operation.
Confirm multi-pin cable connections (including 125 VDC power header JY) are fully locked and key-aligned before re-energizing the Mark V LM system.

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