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The GE DS200TCTGG1AFF, also cataloged as the DS200TCTG Simplex Trip Board, operates as a dedicated hardware component for emergency protective tripping and relay contact routing within Speedtronic Mark V control systems.

Suffix Breakdown & Model Matrix

Segment Code Description
Product Family DS200 Speedtronic Mark V Board Series
Board Acronym TCTG Simplex Trip Board
Group Identifier G1 Group 1 Standard Functional Circuitry Configuration
Functional Revision 1 A First Functional Revision Level
Functional Revision 2 F Sixth Functional Revision Level
Artwork Revision F Sixth Revision Level / Circuit Artwork Layout

Hardware Specifications

Parameter Specification
Model DS200TCTGG1AFF
Brand General Electric
Origin USA
Weight 0.85 kg (1.87 lbs)
Dimensions Standard Mark V Board Profile
Operating Temp 0 to 60 deg C
Power Consumption Passive Board (Relay coil drawing < 12.0 W total)
On-board Relays 21 plug-in electromechanical relays
Multi-pin Connectors 3x 50-pin connectors (IDs: JLY, JLX, JLZ)
Power/Signal Connectors 2x 12-pin connectors (IDs: JN, JM)
PCB Coating Normal Conformal Coating

Backplane Bus & Firmware Architecture

The DS200TCTGG1AFF board interfaces directly with Mark V control cores to handle trip command signals across the JLY, JLX, and JLZ 50-pin connectors. Parallel trace distribution optimizes backplane bus communication velocity and minimizes actuation delays during emergency shutdown sequences. Auxiliary power and control loop distribution route via connectors JN and JM to energize individual relay coils. Logic processing and firmware flash compatibility are maintained by the connected primary processor core, enabling seamless integration across early and late Mark V system revisions without localized firmware programming.

Frequently Asked Questions

Q: Can single relays on the DS200TCTGG1AFF be replaced individually?

A: Yes. The board contains 21 plug-in relays, allowing individual relay modules to be removed and replaced from their sockets without replacing the entire circuit board assembly.

Q: Is hot-swapping supported for the DS200TCTGG1AFF board?

A: No. Power to the associated Mark V core panel section and trip field circuits must be isolated before replacing the module to prevent unwanted trip actuation or backplane voltage surges.

Q: What functions are mapped to connectors JLY, JLX, and JLZ?

A: Connectors JLY, JLX, and JLZ serve as the primary 50-pin parallel communication headers that receive trip execution commands directly from the main control processors.

Field Installation Guidelines

  • Isolate all electrical supply sources and field trip circuit connections before attaching or removing ribbon cable assemblies.
  • Align 50-pin connectors with orientation guides on JLY, JLX, and JLZ headers to prevent pin misalignment or bending.
  • Ensure all 21 plug-in relays are firmly seated into their respective sockets before re-energizing the rack assembly.
  • Maintain proper ground bonding through chassis standoffs to prevent electrical noise from interfering with trip logic circuitry.

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