The GE DS200TCDAH1B, also cataloged as the DS200TCDAH1B Digital I/O Board, operates as a dedicated hardware component for high-density discrete signal processing within Mark V control system platforms.
Suffix Breakdown & Model Matrix
- DS200: Identifies the Mark V series hardware.
- TCDA: Designates the Digital I/O board architecture.
- H1: Represents the hardware group/generation tier.
- B: Indicates the specific revision level of the board assembly.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCDAH1B |
| Brand | GE |
| Origin | USA |
| Weight | 0.25 kg |
| Dimensions | 100 x 80 x 20 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | 24 VDC (plus/minus 10 percent) |
| Input Load | 30 mA per channel |
Profinet / EtherNet/IP deterministic networks
The DS200TCDAH1B manages the acquisition and distribution of discrete digital signals between field-level devices and the Mark V backplane. It facilitates reliable state monitoring and command execution by ensuring deterministic timing for I/O signal transitions. The board circuitry is engineered to handle industrial signal levels, providing input impedance and current sinking characteristics required for standard switch-contact and proximity-sensor integration. It maintains communication throughput across the backplane bus to ensure that digital I/O status updates remain synchronous with the master processor cycle.
Frequently Asked Questions
Q: Is the DS200TCDAH1B board designed for hot-swap operations?
A: No. Power must be removed from the rack assembly prior to removing or installing this board. Hot-swapping risks voltage transients on the backplane, which can damage the digital I/O interface circuits.
Q: How is signal reference handled during high-frequency switching applications?
A: The board relies on a common ground reference. Ensure that the 24 VDC return path is solid and free of high-current interference to maintain accurate logic-level transition detection.
Field Installation Guidelines
- Ensure the I/O rack power supply is completely isolated and tagged out before beginning installation.
- Carefully align the board with the corresponding chassis guides to prevent damage to the backplane pins during engagement.
- Apply firm, even pressure to seat the board until the backplane connectors are fully engaged.
- Secure the board using the front-panel mounting screws to ensure proper chassis grounding.
- Verify field wiring terminations at the terminal block, ensuring that input channels are correctly identified and polarities match the site-specific wiring diagrams.
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