ICC3600SOTE - Linear Variable Differential Transformer Oscillator Card

Part No: ICC3600SOTE
Manufacturer: General Electric
Product Type: Linear Variable Differential Transformer Oscillator Card
Series: Mark I & II
Operating temperature: -30 to 55 ºC
Power Supply Voltage: 24 V dc
Board Size: 2.8 cm high x 8.6 cm
Weight: 0.45 kg
Availability: In Stock
Country of Origin: USA

FUNCTIONAL DESCRIPTION:

ICC3600SOTE is a General Electric Jumper Circuit Board manufactured and designed by General Electric as part of the Mark II Series used in GE Speedtronic Control Systems. These transformers are precision sensors that measure linear displacement by converting mechanical movement into an electrical signal. The oscillator card generates and maintains the AC excitation signal necessary for the LVDT’s operation and processes the feedback signal to deliver accurate positional information.

KEY FUNCTIONS OF THE LVDT OSCILLATOR CARD:

• AC Excitation Signal Generation: The LVDT requires a stable AC signal to energize the primary coil. The oscillator card produces this signal, typically from 1 kHz to 20 kHz. The stability and quality of this signal are critical for accurate displacement measurements.

• Signal Conditioning: The card conditions the excitation signal by removing noise and ensuring it is free from distortion. This helps improve the sensor output's accuracy and linearity, especially in industrial environments prone to electromagnetic interference (EMI).

• Signal Demodulation: After the LVDT generates an output in response to core movement, the oscillator card demodulates the AC signal into a usable DC signal. The magnitude and phase of this DC signal are proportional to the displacement of the LVDT core, allowing for precise measurement.

• Amplification: The oscillator card often amplifies the LVDT output to a level suitable for further processing by control systems or data acquisition systems. This ensures that even small displacements can be detected with high accuracy.

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FREQUENTLY ASKED QUESTIONS:

How does the oscillator card affect LVDT accuracy?

The oscillator card provides a stable, low-distortion excitation signal, which is crucial for ensuring the LVDT provides accurate displacement measurements. Any instability in the excitation signal could lead to erroneous position feedback.

What happens if the oscillator card fails?

If the oscillator card fails, the LVDT will not receive the necessary excitation signal, leading to a loss of position feedback. This could result in system malfunction, particularly in critical applications such as gas turbine control or industrial automation.

What are the typical output signals processed by an oscillator card?

The LVDT typically produces an AC signal output proportional to the displacement of its core. The oscillator card demodulates this signal into a readable DC voltage, which is proportional to the core's position.