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Configured for analog signal routing and telemetry termination in Mark V LM Turbine Control System platforms, the GE DS200CTBAG1A (DS200CTBA Analog Termination Module) provides direct physical execution for common data processor interfacing within the C core.

Hardware Specifications

Parameter Specification
Model DS200CTBAG1A
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 Backplane bus powered via JPD connector
Functional Acronym CTBA
Product Type Analog Termination Board
Signal Processing mA Input / Output processing, Shaft Voltage and Current signals
Communication Links IONET link, ARCNET processor link, RS-232 diagnostic port
Protection Components 23 red varistors, 7 diodes, voltage-limiting resistor networks
Jumpers Hardware jumpers BJ1 to BJ14 (mA NEG to DCOM), BJ15 (RS-232 to DCOM)
Key Board Connectors 8PL, JAA, JAI, JAJ, JBB, JEE, JPD, JX, 6PL (unused)
PCB Coating Normal Coating
Functional Revision Group 1, Revision A

Backplane Bus Communication Velocity & I/O Density Scaling

The DS200CTBAG1A scales analog I/O density within the Mark V C core by multiplexing milliampere (mA) input and output lines across multi-pin ribbon connectors. Deterministic data transfers are routed via dedicated communication channels linking directly to the ARCNET processor and the local IONET network via connectors 8PL and JX. Hardware jumpers BJ1 through BJ14 configure the negative side of respective mA input loops to DCOM ground, while high-velocity backplane bus operations manage real-time telemetry processing to maintain full firmware flash compatibility across drive system controls.

Frequently Asked Questions

Q: What is the technical function of hardware jumpers BJ1 through BJ14 on the DS200CTBAG1A?

A: Hardware jumpers BJ1 through BJ14 connect the negative (NEG) terminal of their respective mA analog inputs to the common digital ground (DCOM).

Q: Which connector supplies primary power signals to the module from the power distribution board?

A: Power signals are delivered to the module via the JPD connector, which interfaces directly with the TCPD power distribution board.

Q: How is serial diagnostic testing carried out on this termination board?

A: Serial diagnostics are conducted via the onboard 9-pin RS-232 D-shell connector (TIMN port), with jumper BJ15 linking the monitor port interface to DCOM.

Field Installation Guidelines

  1. Disconnect all main power inputs and external instrumentation control loops connected to the Mark V control enclosure before beginning installation.
  2. Confirm zero-voltage state using a calibrated multi-meter prior to touching terminal connections or ribbon headers.
  3. Attach a grounded ESD wrist strap to an unpainted metal surface of the cabinet to prevent electrostatic discharge to sensitive components.
  4. Verify position of hardware jumpers BJ1 through BJ15 according to system schematic requirements before seating the board.
  5. Secure the PCB via the four factory-drilled mounting holes using insulated hardware, and ensure all multi-pin ribbon cables (including JPD, JAA, JAI, JAJ, JBB, JEE, 8PL, and JX) are fully seated and locked.

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