Description

GE DS200TCDAH1BHE Digital to Analog Converter Board

Configured for digital signal conversion in the GE Mark V turbine control system, the GE DS200TCDAH1BHE (DS200TCDA Digital to Analog Converter Board) provides direct electrical conversion from processor-generated digital data to analog output signals for turbine control interfaces.

Hardware Specifications

Parameter	Specification
Model	DS200TCDAH1BHE
Brand	GE General Electric
Origin	United States
Weight	0.8 kg
Dimensions	233 mm x 160 mm x 25 mm
Operating Temp	-30 to +65 deg C
Power Consumption	Supplied through +5 VDC and +/-15 VDC backplane power
Product Type	Digital I/O Boards
Series	Mark V
Functional Acronym	TCDA
Input Voltage	+5 VDC, +/-15 VDC from backplane
Digital Input Interface	16-bit parallel bus from CPCA/SDCC boards
Analog Output Range	+/-10 VDC, 4-20 mA
DAC Resolution	12-bit
Isolation Rating	2500 Vrms
Response Time	< 5 ms signal conversion
Diagnostics	Front-panel LEDs: Run, Fail, Output Status
Redundancy Support	Dual/triple modular redundancy compatible
Mounting Type	Rack mount, single-slot

Deterministic Network and I/O Density Characteristics

The DS200TCDAH1BHE operates as an analog interface expansion board within the GE Mark V control architecture. The module receives digital control values through the processor board interface and performs digital-to-analog conversion for connected field devices. I/O density scaling is achieved through dedicated conversion channels supporting multiple analog output requirements within the rack system.

The board interfaces with CPCA and SDCC processor modules through the Mark V backplane structure. Firmware flash compatibility and processor configuration must match the installed control system revision to maintain correct signal mapping and output execution.

Frequently Asked Questions

Q: What type of signals does the DS200TCDAH1BHE convert?
A: The board converts 16-bit digital control data from processor boards into analog output signals including +/-10 VDC and 4-20 mA.

Q: Does the DS200TCDAH1BHE contain independent control processing?
A: No. The board performs digital-to-analog conversion functions and relies on connected Mark V processor boards for control logic execution.

Q: Which processor boards interface with the TCDA board?
A: The module interfaces with CPCA and SDCC processor boards within the GE Mark V control system.

Field Installation Guidelines

Install the DS200TCDAH1BHE in the designated Mark V rack slot and verify proper backplane connector alignment before energizing the system. Confirm that analog output wiring matches the approved terminal configuration and signal requirements.

Route analog signal cables separately from high-power conductors to reduce electrical noise coupling. Cable shielding should be grounded according to the site grounding standard. Verify polarity, terminal tightness, and processor board compatibility before commissioning.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems