Overview
The GE IS2020LVPSG1A, also cataloged as the IS2020LVPSG1A VME Rack Power Supply Module, operates as a dedicated hardware component for regulated DC power conversion within GE Mark VI Speedtronic control system platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS2020LVPSG1A |
| Brand | General Electric (GE) |
| Series | Mark VI |
| Product Type | VME Rack Power Supply Module |
| Function | Low Voltage Power Supply Module for VME rack systems |
| Origin | United States (USA) |
| Weight | 2.95 kg |
| Dimensions | 261 mm x 295 mm x 50.8 mm |
| Input Voltage | 230 VAC |
| Output Voltage | 2.5 V to 7.5 V |
| Output Current | Up to 4 A |
| Output Voltage Noise | Less than 5 mV RMS |
| Rack Interface | VME backplane connection |
| Manual Reference | GEH-6632 |
GE Industrial Control Backplane and Power Interface Characteristics
The IS2020LVPSG1A uses a VME rack power architecture to provide regulated low-voltage outputs for connected electronic modules. The module interfaces through the rack backplane, which distributes communication paths and power connections between installed VME units.
Furthermore, the power regulation circuit maintains controlled output voltage levels for connected loads. The module supports detector and electronic circuit power requirements by compensating for cable losses and dynamic load changes through voltage sensing feedback.
The GE Mark VI platform uses structured backplane communication and modular hardware allocation. Therefore, the IS2020LVPSG1A supports organized rack-level power distribution where multiple supply modules can operate within compatible VME rack configurations.
The module design includes current measurement functions for output protection. In addition, the internal control system monitors electrical conditions to maintain output stability during changing load requirements.
Frequently Asked Questions
Q: What input power source does the IS2020LVPSG1A require?
A: The IS2020LVPSG1A requires a 230 VAC input supply and converts the input power into regulated low-voltage DC outputs for VME rack applications.
Q: What output range does the IS2020LVPSG1A provide?
A: The module provides adjustable output voltage from 2.5 V to 7.5 V with output current capability up to 4 A.
Q: How does the IS2020LVPSG1A connect with the Mark VI control system?
A: The module connects through the VME rack backplane, which provides electrical interconnection between the power supply module and installed rack components.
Field Installation Guidelines
- Verify the rack backplane compatibility before installing the IS2020LVPSG1A module.
- Confirm that the input power source matches the specified 230 VAC requirement before energizing the module.
- Install the module using proper rack alignment procedures to prevent connector damage.
- Maintain correct grounding practices for the VME rack chassis and associated control cabinet.
- Separate power wiring from sensitive signal cables to reduce electrical interference.
- Inspect connectors, pins, and mounting hardware before system startup.
- Follow GE manual GEH-6632 procedures for commissioning, maintenance, and troubleshooting activities.

















