Configured for precision signal conditioning in Mark VI turbine control systems, the GE Fanuc IS200BAPAH1AGD (IS200BAPAH1A Bridge Amplifier Module) provides direct physical and electrical execution of LVDT and RVDT position feedback processing.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200BAPAH1AGD |
| Brand | GE Fanuc |
| Origin | USA |
| Weight | 0.6kg |
| Dimensions | Not specified |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | +/-15 VDC and +5 VDC (backplane) |
| Input Channels | 4 differential LVDT/RVDT |
| Excitation Frequency | 3.0 kHz +/-0.1% |
| Excitation Voltage | 7 VAC RMS nominal |
| Output Signal | +/-10 VDC |
| Linearity Error | <= +/-0.25% of full scale |
Profinet / EtherNet/IP Deterministic Networks
The IS200BAPAH1AGD integrates into the Mark VI control architecture to facilitate deterministic signal processing for actuator control loops. It handles the demodulation and excitation of position sensors, converting mechanical displacement into precise electrical feedback. The module supports backplane communication protocols designed for deterministic performance, ensuring that sensor data is synchronized within the control system's scan cycle. Proper backplane alignment and firmware compatibility are maintained to support the high-speed data exchange necessary for turbine regulation and servo-valve positioning.
Frequently Asked Questions
Q: Can this module be hot-swapped while the turbine control system is online?
A: Hot-swapping is generally supported in Mark VI systems, provided that the specific rack configuration and software allow for offline module replacement. Ensure the control system is in a state that permits I/O removal to prevent transient faults.
Q: How is the excitation voltage adjusted for the connected position sensors?
A: The excitation voltage is adjusted using the onboard potentiometer to reach the nominal 7 VAC RMS target, ensuring compatibility with the specific LVDT/RVDT sensor impedance requirements.
Field Installation Guidelines
- Ensure that all field wiring for LVDT/RVDT inputs is shielded and that the shields are terminated to the designated common ground point to minimize noise injection.
- Verify that the module is fully seated in the rack to ensure reliable contact with the backplane power and communication pins.
- Avoid placing signal cabling in parallel with high-current motor control or power cables to prevent electromagnetic crosstalk that could degrade position signal linearity.
- Conduct a system-level calibration check after installation to verify the proportionality of the +/-10 VDC output signal against the actual mechanical core position.
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