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The GE Fanuc DS200FCGDH1BAA, also cataloged as the DS200FCGD Gating and LCI Control Board, operates as a dedicated hardware component for phase-controlled non-reversing bridge interface processing within Speedtronic Mark V turbine control systems.

Suffix Breakdown & Model Matrix

The part number DS200FCGDH1BAA reveals physical and functional characteristics through its alphanumeric designator chunks:

  • DS200: Standard Mark V series printed circuit board base platform.
  • FCGD: Functional acronym designating the Gate Distribution and LCI Control Board.
  • H1: High-reliability conformal coating style combined with Group 1 manufacturing parameters.
  • B: 1st functional design revision level.
  • A: 2nd functional design revision level.
  • A: Artwork revision configuration grade.

Hardware Specifications

Parameter Specification
Model DS200FCGDH1BAA
Brand GE Fanuc
Origin USA
Weight 0.75 lbs (12 oz)
Dimensions Standard Single-Slot VME Module Form Factor
Operating Temp 0 to 60 deg C
Power Consumption Power Supplied via Backplane
Onboard Processing Xilinx FPGA and Integrated Logic ICs
Backplane Interface Dual Horizontal Male Rear Connectors (VME Bus)
Front Panel Hardware Retaining Clips, Diagnostic LEDs, Connector Openings
Coating Style Conformal Coating (H1 Grouping)

Backplane Bus Communication & Firmware Compatibility

The GE Fanuc DS200FCGDH1BAA deciphers control commands relayed from an adjacent DSPC board and routes firing signals back out through the drive VME backplane. Dedicated backplane bus communication velocity allows deterministic signal transfer required for firing silicon-controlled rectifiers (SCRs) in large drive assemblies. The onboard Xilinx FPGA preserves firmware flash compatibility across Mark V control racks, executing low-latency gate pulses while presenting visual diagnostic data through front-panel LED indicators.

Frequently Asked Questions

Q: How does the DS200FCGDH1BAA process gating signals from the main controller?

A: Control signals are received from a connecting DSPC card, processed on-board via a Xilinx FPGA and logic ICs, and distributed to phase-controlled bridge circuits through the VME backplane.

Q: What physical indicators are provided on the DS200FCGDH1BAA module?

A: The front panel includes multiple diagnostic LEDs along its lower surface to indicate operational state and gate signal distribution conditions.

Q: What mounting mechanism holds the DS200FCGDH1BAA securely in the VME rack?

A: The board includes an attached front faceplate equipped with two mechanical retaining clips that lock the module firmly into the drive rack slot after insertion.

Field Installation Guidelines

  1. Power Isolation: Ensure all primary line power and auxiliary rack supplies are de-energized and locked out prior to inserting or removing the module.
  2. ESD Protection: Wear a grounded wrist strap attached to an unpainted metal surface on the drive chassis to prevent static discharge onto onboard integrated circuits.
  3. Module Insertion: Align the board edges with the top and bottom rack card guides. Slide the module inward until the rear male connectors mate completely with the VME backplane socket.
  4. Mechanical Fastening: Engage both faceplate retaining clips to secure the board against vibration and prevent accidental connector disconnection during operation.

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