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SPECIFICATIONS:
Part Number: IS200VATFG1A
Manufacturer: General Electric
Series: Mark VI
Product Type: Voltage Attenuator Feedback Board
Input Voltage Range: 0 to 250 VAC
Output Voltage Range: 0 to 5V
Input Impedance: ≥ 1 M Ohms
Output Impedance: ≤ 100 Ohms
Accuracy: ±0.5%
Power supply voltage: 28 V DC
Signal Type: DC
Technology: Surface mount
Operating temperature: 0 to +45°C
Size: 15.9 cm high x 17.8 cm
Weight: 0.8kg
Repair: 3-7 days
Availability: In Stock
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
IS200VATFG1A is a Voltage Attenuator Feedback Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Turbine Control Systems. The Voltage Attenuator Feedback Board is an electronic interface used to scale down high-voltage input signals to a lower, measurable level suitable for control systems. It utilizes precision resistive dividers and filtering components to ensure accurate signal attenuation without distortion. The board is designed to handle specific voltage ranges and provides an output compatible with analog-to-digital converters and monitoring devices. Isolation components may be included to separate high-voltage circuits from low-voltage control systems, enhancing safety and preventing signal interference. The board is used in applications such as turbine control, industrial automation, and motor drive systems that require voltage feedback for monitoring or control.
INSTALLATION:
The board is in a suitable enclosure, typically using DIN rails or standoffs. Power must be completely disconnected before installation. High-voltage inputs are connected to the designated input terminals, following the specified polarity and voltage limits. The attenuated output is connected to the input terminals of the receiving system. Signal cables should be shielded and grounded as required to prevent electromagnetic interference. If auxiliary power is required (e.g., ±15VDC or 24VDC), connections must be made according to the manufacturer’s wiring specifications. Proper torque should be applied to all terminal connections to ensure secure and reliable operation.
OPERATION:
The board receives a high-voltage analog signal and outputs a scaled-down version that corresponds proportionally to the input. The attenuation factor is fixed and determined by the internal resistor network. The output signal is designed to match the voltage input range of the control or monitoring equipment. The board operates continuously, with minimal internal power consumption unless active components are included. In systems with built-in protection features, the board can suppress transient voltage spikes or disconnect output in overvoltage conditions. Accurate signal representation is maintained throughout the board’s specified operating range.
COMPATIBILITY:
The Voltage Attenuator Feedback Board is compatible with industrial control systems that require analog voltage feedback within a defined input range (e.g., 0–5V, 0–10V). It is suitable for integration with turbine control systems, including GE Mark V, Mark VI, and Mark VIe platforms, as well as other systems using PLCs or data acquisition modules. Compatibility is determined by matching the input voltage range, output scaling, impedance, and connector type with system requirements. The board may be used in both new and existing installations, provided all electrical and mechanical interface parameters are satisfied.
WOC maintains the largest inventory of replacement parts for GE Drive Control Systems. We supply both unused and rebuilt components, each covered by a warranty. In addition, we offer expert repair services for malfunctioning boards. Our team of automation specialists is available 24/7 to support your OEM needs. For parts, repairs, or technical assistance, please contact us via phone or email. We are committed to providing prompt and reliable support.
What is the primary function of a Voltage Attenuator Feedback Board?
The board attenuates high-voltage analog signals to lower, proportional voltage levels suitable for use in control systems, such as PLCs or turbine control platforms. It ensures accurate voltage scaling without distortion or signal loss.
What types of input and output voltage ranges are typically supported?
Input voltage ranges vary by design and may include levels such as 0–250V, 0–500V, or higher. The output voltage is typically scaled to standard analog ranges such as 0–5V or 0–10V, depending on the attenuation ratio.
Can the board be used for both AC and DC signals?
Yes, depending on the design. Some boards support both AC and DC input signals, while others are optimized for one type only. It is important to check the datasheet for signal type compatibility and frequency response characteristics.
Does the board support high-frequency signals or AC signals?
Some models of the Voltage Attenuator Feedback Board may be designed to handle both DC and AC signals, including high-frequency AC signals. However, the frequency range supported depends on the design, including filter characteristics and component selection. Verify frequency specifications in the datasheet.
