Abaco VMIVME-5521 ISA Bus to VMEbus Link Module
The Abaco Systems VMIVME-5521 is a bus link module designed to bridge ISA (Industry Standard Architecture) bus systems with VMEbus systems. This module enables communication and data transfer between legacy ISA-based devices and VME-based industrial control, data acquisition, and computing platforms, preserving investment in existing ISA hardware while leveraging the performance of VME systems.
The VMIVME-5521 provides a transparent interface between the two bus architectures, allowing VME processors to access ISA I/O and memory devices as if they were native VME resources. Its robust design ensures reliable operation in industrial and defense environments.
Key Features
ISA to VMEbus Bridge: Enables communication between ISA and VME systems.
Transparent Operation: Allows VME processors to access ISA devices seamlessly.
Legacy Support: Integrates existing ISA hardware with VME platforms.
VMEbus Compatibility: Standard VME form factor for easy integration.
Industrial Grade: Designed for reliable operation in harsh environments.
Technical Specifications
The VMIVME-5521 interfaces with the VMEbus on one side and ISA bus on the other, providing address and data translation between the two architectures. It supports standard VMEbus addressing and interrupt mechanisms, with configurable address mapping for flexible system integration.
Applications
System Integration: Bridging legacy ISA devices with VME systems.
Industrial Control: Extending existing ISA I/O to VME platforms.
Data Acquisition: Incorporating legacy ISA acquisition boards.
Defense Systems: Upgrading systems while preserving legacy hardware.
Integration and Configuration
Integration involves installing the module in a VME chassis and connecting ISA devices to the module via standard ISA connectors. Configuration is performed via software, with flexible address mapping and interrupt routing.
Benefits
Investment Protection: Preserves existing ISA hardware investment.
Seamless Integration: Transparent bus bridging simplifies system design.
Reliability: Robust design ensures dependable operation.
Flexibility: Configurable mapping supports diverse ISA devices.
Conclusion
The Abaco VMIVME-5521 ISA to VMEbus link module provides a reliable, transparent bridge for integrating legacy ISA devices with VMEbus systems.




