Overview
The General Electric 98-90-3-2138-A-00 is a circuit board module used in industrial automation and control systems. This ISS MPC GBE LEGG board serves as a core I/O processing and signal conditioning component in General Electric industrial control platforms. Built for reliable long-term operation in manufacturing and process automation environments, this board is suitable for integration into legacy and modern control architectures.
Key Features
- Designed for ISS (Industrial Systems Support) platform integration
- MPC (Multi-Purpose Controller) and GBE (General Bus Electronics) compatible architecture
- LEGG board designation indicates legacy industrial-grade design standards
- Used unit, fully functional and tested for operation
- Drop-in replacement for compatible GE control systems
Technical Specifications
Detailed specifications for this board are not universally published in public datasheets. Key identifiers and physical characteristics are listed below. For comprehensive technical documentation, voltage ratings, I/O channel counts, communication protocols, and mounting specifications, contact your system integrator or General Electric technical support.
Typical Applications
- Industrial motor control and drive systems
- Process automation and logic control
- Manufacturing equipment control boards
- Legacy GE automation system upgrades and repairs
- Retrofit installations where original boards are no longer available
Compatibility & Replacements
Compatible With
- GE ISS (Industrial Systems Support) control platforms
- GE MPC (Multi-Purpose Controller) systems
- GE industrial automation frameworks using GBE bus architecture
- Legacy General Electric manufacturing control systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This board may serve as a direct replacement for equivalent GE ISS MPC circuit boards in compatible control enclosures, but model-specific compatibility must be confirmed with your installation documentation or GE technical support.
Works With
- GE industrial control software and firmware platforms
- Standard industrial bus architectures (GBE protocol)
- Legacy and modern General Electric industrial systems






