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SPECIFICATIONS:
Part Number: IS2020LVPSG1AA
Manufacturer: General Electric
Series: Mark VI
Function: VME Rack Power Supply Module
Input Voltage: 230V AC
Output Voltage: 2.5–7.5V DC
Output Current: Up to 4A
Dimension: 261mm x 295mm x 50.8mm
Weight: 2.95 kg
Repair: 3-5 Days
Availability: In Stock
Country of Manufacture: United States (USA)
Manual: GEH-6632
FUNCTIONAL DESCRIPTION:
IS2020LVPSG1AA is a VME Rack Power Supply Module manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Control Systems. This module is typically installed in 6HE VME racks, with racks accommodating multiple modules (4 in small racks, 8 in standard 19” racks). A backplane within the rack provides communication between modules and distributes power efficiently. The module is designed to supply detectors and associated electronics where long cable runs (tens of meters) are required. To compensate for voltage drops over these distances, the module continuously adjusts its output voltage based on the detector’s immediate power consumption and cable losses.
An onboard microcomputer monitors both output voltage and current. It adjusts voltage dynamically to maintain the required levels at the detector end and enforces current limits according to user requirements. For very short, high-current peaks (microseconds), external capacitors may be installed at the detector inputs to ensure stable energy delivery.
INSTALLATION:
The IS2020LVPSG1AA VME Rack Power Supply Module should be installed in a properly grounded 6HE VME rack while the system is powered off. Carefully slide the module into the designated slot and secure it with the provided fasteners to ensure a stable connection. Connect the module to the rack backplane, ensuring proper alignment, and then attach the 230V AC input power using appropriate industrial wiring standards with proper fusing. Output lines should be connected to detectors or electronic circuits, with sense lines used if needed to compensate for voltage drops over long cables, and external capacitors installed where short current peaks are expected. Once all connections are verified, power on the rack and monitor the outputs through the onboard microcomputer or monitoring system, ensuring voltage levels, current limits, and stability meet specifications before connecting sensitive equipment. Proper electrical safety protocols must be followed throughout the installation.
OPERATION:
The Modules operate by delivering stable and regulated low-voltage power to all modules and connected detectors within a VME rack. Once powered on, the onboard microcomputer continuously monitors output voltage and current, dynamically adjusting the voltage to compensate for detector load variations and cable losses, ensuring precise and reliable power delivery. The module protects against overcurrent and overvoltage conditions, maintaining safe operation for both the power supply and connected devices. Sense inputs allow accurate voltage feedback at the detector end, while external capacitors can handle short, high-current peaks. Operators can monitor module status and performance remotely, ensuring that output levels remain within specified limits (2.5–7.5V DC) and that the system functions efficiently and safely under varying load conditions.
WORLD OF CONTROLS is a leading supplier of GE Speedtronic Control System replacement parts, offering the largest inventory of new, rebuilt, and unused modules, all backed by a warranty. We specialize in repairing faulty boards to meet OEM specifications and provide reliable, fully tested components to minimize system downtime. Our team of experts is available 24/7 to support all your automation and control system needs, from technical guidance to urgent repairs. For pricing, availability, or assistance, contact us directly via phone or email, and we will provide prompt, professional support tailored to your requirements.
What is IS2020LVPSG1AA?
The IS2020LVPSG1AA is a VME Rack Low-Voltage Power Supply (LVPS) Module from General Electric’s Mark VI Series. It provides stable, regulated power to modules and detectors in a VME rack. It is widely used in industrial automation, control systems, and high-precision experimental setups.
What is a VME Rack Power Supply Module?
A VME Rack Power Supply Module delivers regulated voltage and current to multiple modules installed in a VME chassis. It ensures the reliable operation of connected electronics and supports modular system design. These modules are essential in industrial, automation, and experimental systems.
What input and output voltages does it support?
The IS2020LVPSG1AA accepts 230V AC input and provides 2.5–7.5V DC output with a maximum current of 4A. It features low output noise (5 mV RMS) for stable and precise operation. The module can power multiple channels simultaneously.
How many output channels are available?
The module has multiple output channels, allowing it to supply power to several modules or detectors at the same time. Each channel is monitored and regulated to maintain proper voltage and current levels. This ensures safe and reliable operation of the entire rack.
