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The General Electric DS200DTBCG1A, also cataloged as the DS200DTBC Contact Output Termination Module, operates as a dedicated hardware component for relay contact output signal termination and solenoid power routing within Mark V Speedtronic Turbine Control System platforms.

Hardware Specifications

Parameter Specification
Model DS200DTBCG1A
Brand General Electric
Origin USA
Weight Standard PCB weight (~0.65 kg / 1.43 lbs)
Dimensions 3.00 in x 11.50 in (76.2 mm x 292.1 mm)
Operating Temp 0 to 60 deg C
Power Consumption Bus input scaled per terminal and relay load configuration
Series Mark V
Functional Acronym DTBC
Functional Revision Revision A
PCB Coating Normal Coating
Terminal Connections 2 terminal blocks with terminals for up to 220 signal wires
Bayonet Interfaces 2 3-wire bayonet connectors, 1 2-wire bayonet connector
Relay Signal Connectors JS1 through JS8 TCRA board relay signal headers
Power Connectors J8 TCPD board solenoid power, J15/J16 125 VDC power headers
Hardware Customization 10 onboard configuration jumpers

Backplane Bus Communication & I/O Density Scaling

Configured to interface with the Speedtronic Mark V control core, the module routes high-density relay contact signals across deterministic control networks. Onboard power distribution headers (J15 and J16) couple with internal control paths to manage contact output switching cycles (specifically contact outputs #16, #17, and #18). Maintained trace spacing and protective board coatings preserve signal integrity during continuous high-density I/O scanning while firmware flash compatibility ensures synchronized relay execution across connected primary processors.

Frequently Asked Questions

Q: How do connectors J15 and J16 function on the DS200DTBCG1A terminal board?

A: Connectors J15 and J16 route 125 VDC power through the module and typically jumper together to drive contact outputs #16, #17, and #18 within the Mark V automated drive assembly.

Q: What wiring separation rules must be followed when terminating signal leads to the terminal blocks?

A: Low-voltage signal conductors terminating at TB1 and TB2 must be physically segregated from high-power supply cables to prevent inductive and capacitive noise coupling.

Q: What interface connects the DS200DTBCG1A module to the TCRA relay board?

A: Relay control signals are routed between the DS200DTBCG1A module and the TCRA relay board using headers JS1 through JS8.

Field Installation Guidelines

  1. Power Isolation: De-energize all 125 VDC power feeds and field solenoid power lines to the cabinet before servicing board connections.
  2. ESD Protection: Wear a grounded ESD wrist strap before handling the PCB to prevent static discharge to exposed component leads.
  3. Physical Mounting: Mount the 3.00 in x 11.50 in board securely inside the designated Mark V enclosure slots, ensuring clear air flow from bottom cabinet vents to top exhaust vents.
  4. Signal Wire Routing: Dress all 220 potential signal wires cleanly into terminal blocks TB1 and TB2. Avoid routing signal wires in parallel with AC power cables; cross AC power lines at 90 deg angles if intersection is unavoidable.
  5. Jumper Position Audit: Verify that all 10 onboard configuration jumpers match the system field wiring diagram prior to applying system power.


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