Configured for high-density signal distribution in Mark VIe turbine control systems, the GE Fanuc IS400TCATH1 (IS400TCATH1A Terminal Board) provides direct physical and electrical execution of analog I/O termination and signal conditioning.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS400TCATH1 |
| Brand | GE Fanuc |
| Origin | USA |
| Weight | 0.5kg |
| Dimensions | Not specified |
| Operating Temp | Not specified |
| Power Consumption | 15 VDC (from PCA) / 28 VDC +/-5% (cabling) |
| Analog Inputs | 24 x 4-20 mA, 12 x seismic, 12 x LVDT |
| Analog Outputs | 3 x 4-20 mA (hardware-voted) |
| DC Outputs | 12 x 24 VDC (max 25 mA each) |
Profinet / EtherNet/IP Deterministic Networks
The IS400TCATH1 operates as a primary interface board within the Mark VIe I/O network, routing analog signals to associated PCA modules for high-speed processing. The board supports hardware-voted analog outputs, ensuring that critical control signals remain consistent and deterministic even in the event of partial hardware failure. It integrates redundant power input paths utilizing diode-OR protection to maintain power stability across the deterministic control bus. Proper jumper configuration for input grounding and precise signal calibration via the integrated potentiometers are required to maintain signal integrity and synchronization across the I/O rack.
Frequently Asked Questions
Q: How should the jumper pins be configured for seismic signal inputs?
A: Input grounding/floating configuration must be set according to the site-specific grounding strategy and the sensor requirements. Consult the system wiring documentation to ensure the jumper placement correctly defines the input reference to prevent ground loop noise.
Q: Is the 24V DC output circuit protected against external short circuits?
A: Yes. The board features integrated overcurrent protection for each of the 24V DC output channels to prevent damage to the terminal board circuits in the event of a field-side short or excessive load demand.
Field Installation Guidelines
- Ensure the entire I/O rack is de-energized before mounting the IS400TCATH1 to prevent accidental electrical faults during termination of the 4-20 mA or LVDT signal lines.
- Verify that the terminal board is securely seated and that all inter-module cabling for 28V DC power is properly routed and strain-relieved.
- Use calibrated test equipment to set the signal levels via the two onboard potentiometers to ensure the 4-20 mA outputs match the system's required control parameters.
- Conduct a continuity test on all shield terminations to ensure a robust ground connection, which is essential for accurate processing of the 12 seismic and 12 LVDT winding signals.
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: All our new and original products come with a standard one-year warranty. |
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