The GE IS230TDBTH6A, also cataloged as the IS230TDBTH6A Discrete I/O Board, operates as a dedicated hardware component for discrete signal monitoring and digital status interfacing within Mark VIe turbine control platforms.
Suffix Breakdown & Model Matrix
The IS230TDBTH6A model utilizes an "H6A" suffix to designate the specific hardware assembly and revision level. This designator confirms compatibility with the Mark VIe I/O processor interface and dictates the board's internal circuitry layout for signal conditioning and contact processing.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS230TDBTH6A |
| Brand | GE |
| Origin | USA |
| Weight | 0.8kg |
| Dimensions | 17.8 cm x 33.02 cm |
| Operating Temp | -30 deg C to +65 deg C |
| Power Consumption | Not specified |
| Max Response Time (On/Off) | 25 ms |
| Input Filter | 4 ms (Hardware) |
| Contact Material | Silver cad-oxide |
Backplane Bus Communication and Firmware Compatibility
The IS230TDBTH6A utilizes surface-mount technology to interface discrete inputs with the Mark VIe controller backplane. The board communicates signal states through the I/O processor, which executes the required logic at the system scan rate. Firmware flash compatibility is managed via the host I/O pack connected to the board; the terminal board itself acts as a passive interface for signal termination, and backplane bus communication velocity is dictated by the system's deterministic network timing configurations.
Frequently Asked Questions (FAQ)
Q: What is the purpose of the 4 ms hardware input filter?
A: The hardware filter is designed to suppress high-frequency noise and transient voltage spikes on field input lines, ensuring that only valid signal transitions are processed by the I/O pack, thus preventing false triggering.
Q: Is the 25 ms response time the cumulative delay of the board?
A: The 25 ms response time represents the typical latency for the signal processing cycle of the board's discrete I/O logic. Total system response time may vary depending on the I/O pack configuration and backplane bus traffic.
Field Installation Guidelines
- Ensure the control system cabinet is de-energized before mounting the board to the rack.
- Align the board with the backplane connectors, ensuring perpendicular entry to avoid pin deformation.
- Secure the board to the mounting frame using the provided retention fasteners to maintain stable electrical grounding.
- Connect field wiring to the terminal blocks, ensuring that silver cad-oxide contact loads do not exceed specified current ratings.
- Verify that wiring is organized to minimize crosstalk and ensure shields are terminated at the designated cabinet ground point.
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