The Agilent/National Instruments E1482B is a C-size, 1-slot VXIbus Extender module that bridges external controllers to VXI mainframes via MXIbus connectivity. This register-based module enables multiple VXI mainframes to operate as a unified system and supports daisy-chain configurations for multi-mainframe test architectures. The E1482B includes Interrupt and Timing Extension (INTX) functionality, delivering extended CLK10, programmable trigger lines, seven VXIbus interrupt lines, and system control signal extensions (SYSFAIL*, ACFAIL*, SYSRESET*).
– Technical Specifications
• Form Factor: C-size, 1-slot VXI module
• Interface: MXIbus with INTX PCB assembly
• Data Transfer Rate (MXIbus): 2.0 MB/s (16-bit), 4.0 MB/s (32-bit)
• MXIbus Configuration: Supports up to 8 devices per link; maximum cable length 20 meters
• INTX Cable Bus: RS-485 transceivers; 10 Mbaud maximum data rate at distances up to 12 meters; multi-point support for up to 32 drivers/receivers
• Integrated Block Mode: High-performance data transfer capability
– Key Features
• CLK10 input/output extension via INTX connector
• One of eight programmably selected triggering input/output lines
• Seven VXIbus-defined interrupt lines
• Extensions for SYSFAIL*, ACFAIL*, and SYSRESET* control signals
• SMB connector with minimal CLK10 and trigger/interrupt line extensions
• VXIplug&play-compatible interface
• Slot 0 installation in VXI mainframes when used with external workstation controllers
– Typical Applications
• Multi-mainframe VXI system integration
• External workstation controller connection to VXI mainframes
• Automated test system architecture expansion
• Data acquisition setup interconnection
– Compatibility & Integration
The E1482B integrates with external workstation controllers and VXI mainframes via MXIbus daisy-chain topology, enabling coordinated instrument control across multiple chassis. Compliance with VXIplug&play standards ensures compatibility within broader test automation ecosystems.
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