Overview
The GE DS200TCDAH1BHE, based on the DS200TCDA digital I/O board family, processes digital input and output signals within the GE Mark V Speedtronic turbine control system. The board is specified with 32 opto-isolated digital inputs and 32 high-side FET digital outputs. Its listed electrical characteristics include 500 VDC channel isolation, a typical response time of 1 ms or less, and a 24 VDC nominal supply.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCDAH1BHE |
| Base Model | DS200TCDA |
| Brand | General Electric (GE) |
| Product Type | Digital I/O Board |
| Series | Mark V Speedtronic |
| Origin | USA |
| Weight | 0.38 kg |
| Dimensions | 28 x 21.3 x 2 cm |
| Digital Inputs | 32 opto-isolated channels |
| Digital Outputs | 32 high-side FET channels |
| Channel Isolation | 500 VDC |
| Response Time | 1 ms or less (typical) |
| Supply Voltage | 24 VDC +/- 20% |
| Power Consumption | Maximum 15 W |
| Operating Temperature | -20 to +70 deg C |
| Storage Temperature | -40 to +85 deg C |
| Humidity | 95% RH, non-condensing |
| Tariff Code | 8537101190 |
Digital Signal Processing and I/O Characteristics
The DS200TCDAH1BHE handles discrete signal interfaces through separate input and output channels. Its 32 opto-isolated inputs provide electrical separation between field input circuits and the board’s internal logic. The 32 high-side FET outputs provide electronic switching for compatible loads.
The specified 500 VDC channel isolation and typical response time of 1 ms or less describe the listed electrical characteristics. Before connecting field wiring, verify input thresholds, output current limits, load compatibility, and terminal assignments against the applicable GE hardware documentation. The supplied specifications do not establish these additional ratings.
Frequently Asked Questions (FAQ)
Q: How many digital input and output channels does the DS200TCDAH1BHE support?
A: The supplied specifications list 32 opto-isolated digital inputs and 32 high-side FET digital outputs.
Q: What supply voltage does this board require?
A: The listed supply voltage is 24 VDC +/- 20%. Confirm the applicable power connection and current requirements using the board-specific GE documentation before installation.
Q: Can the DS200TCDAH1BHE be replaced with another DS200TCDA variant?
A: Do not assume direct interchangeability based on the base model alone. Verify the complete part number, revision, hardware configuration, connector assignments, and Mark V system compatibility before replacement.
Field Installation Guidelines
- Isolate the applicable control-system power sources and follow the site’s lockout/tagout procedures before removing or installing the board.
- Confirm the complete part number, board revision, connector locations, and rack position against the equipment documentation.
- Inspect connectors and the board for physical damage, contamination, or bent contacts before installation.
- Route digital signal wiring separately from high-noise power and switching circuits where practical. Apply the grounding and shielding arrangements specified by GE and the site wiring standards.
- Verify field input polarity, output load compatibility, and supply voltage before energizing the circuit. Do not exceed the documented output current or switching limits.
- After installation, check the applicable controller diagnostics and verify digital input and output states under an approved commissioning procedure.
