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GE DS200CTBAG1A — Speedtronic Mark V C-Core Terminal Board for Turbine Control Systems

  • DS200CTBDG1A — Mark V C-core terminal board for general data processor
  • DS200CTBAG1ADD — Mark V analog terminal module
  • DS200PTBAG1B — Mark V RST analog I/O board (TCQA family)
  • DS200TCPDG1B — Mark V I/O/terminal board family
  • DS200TCEAG1B — Mark V emergency overspeed/TCEA protection board
  • DS200TCPSG1A — Mark V power supply board for turbine control cores
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GE DS200CTBAG1A — Speedtronic Mark V C-Core Terminal Board for Turbine Control Systems

Meta Description

GE DS200CTBAG1A terminal board for Speedtronic Mark V turbine control systems. Serves as the C-core terminal interface for the general data processor, supporting mA I/O, IONET and ARCNET communications. Confirm full suffix and connector layout before replacement.

Product Core Overview

The DS200CTBAG1A is a GE Speedtronic Mark V series terminal board used in gas and steam turbine control systems. It functions as the terminal board for the system’s general data processor and is installed in the Mark V C-core.
The board provides terminal connections for mA inputs and outputs, communication links to IONET, and communication links to the ARCNET processor. A 9-pin D-shell RS-232 serial port is provided for TIMN diagnostics. The board includes multiple MOVs, diodes and resistors for signal conditioning and transient protection, and is mounted using factory-drilled holes on each short end.
DS200CTBAG1A is a legacy/discontinued Mark V component and is typically available as surplus, refurbished or tested used stock.

DS200CTBAG1A

Key Technical Specifications

Item Details
Manufacturer GE / GE Multilin
Series Speedtronic Mark V DS200
Part Number DS200CTBAG1A
Product Type C-Core Terminal Board
Application Gas/steam turbine control systems
Primary Signals mA inputs, mA outputs, IONET link, ARCNET link
Diagnostic Port RS-232 9-pin D-shell for TIMN diagnostics
Protection Components MOVs, diodes, resistors
Mounting Rack-mounted in Mark V C-core
Status Legacy/discontinued
Exact connector pinouts, signal assignments and revision-dependent details should be confirmed from the installed board label and OEM documentation.

Quality Control Procedures

  • Part number verification: Confirm DS200CTBAG1A, revision suffix and board ID.
  • Visual inspection: Check PCB condition, connectors, MOVs, diodes, resistors and mounting hardware.
  • Connector inspection: Verify all terminal and communication connectors for damage, corrosion or bent pins.
  • RS-232 port check: Inspect the 9-pin D-shell port for mechanical integrity and correct pin alignment.
  • Power-up test: Confirm LED indicators and board initialization under safe test conditions.
  • Communication verification: Validate IONET and ARCNET communication links after installation.
  • Documentation traceability: Record revision, configuration, test results and replacement history.

Related GE Mark V Models

  • DS200CTBDG1A — Mark V C-core terminal board for general data processor
  • DS200CTBAG1ADD — Mark V analog terminal module
  • DS200PTBAG1B — Mark V RST analog I/O board (TCQA family)
  • DS200TCPDG1B — Mark V I/O/terminal board family
  • DS200TCEAG1B — Mark V emergency overspeed/TCEA protection board
  • DS200TCPSG1A — Mark V power supply board for turbine control cores

Frequently Asked Questions

What is the DS200CTBAG1A?
It is a GE Speedtronic Mark V C-core terminal board that serves as the terminal interface for the general data processor, handling mA I/O and communication links.
Where is it installed?
It is installed in the Mark V C-core, which houses the general data processor for the turbine control system.
What signals does it handle?
Its primary terminal signals include mA inputs, mA outputs, IONET communication links and ARCNET processor communication links.
Can it be replaced directly?
Only after confirming the full suffix, revision and connector layout. Mark V terminal boards may differ by revision, so jumper settings and signal assignments must be verified before replacement.
Is this board still produced by GE?
No. DS200CTBAG1A is a legacy/discontinued product and is typically supplied as surplus, refurbished or tested used stock.

Installation and Configuration Guide

  1. Confirm identity: Read the full part number, revision and serial number from the original board label.
  2. Isolate power: De-energize the Mark V control cabinet and follow lockout/tagout procedures.
  3. Record existing setup: Photograph connector positions, terminal wiring and LED status before removal.
  4. Label wiring: Mark all signal wires and connectors to avoid miswiring during replacement.
  5. Handle with ESD protection: Use an anti-static wrist strap when handling the PCB.
  6. Install the board: Mount the DS200CTBAG1A into the correct C-core slot and secure all mounting hardware.
  7. Reconnect wiring: Restore mA I/O, IONET, ARCNET and diagnostic connections exactly as documented.
  8. Power-up and test: Restore power, verify LEDs, confirm IONET/ARCNET communication, and validate mA signal paths under supervised testing.