The National Instruments PXI-2529 is a high-density, 132-channel reed relay module for automated test and measurement systems. It delivers fast switching, extended relay life, and exceptional signal integrity across RF and analog applications. The module supports user-configurable multiplexer or matrix topologies, making it ideal for semiconductor testing, wireless device validation, and ATE development within PXI-based platforms.
Technical Specifications
Switching Capacity
• Channels: 132
• Relay type: Reed relays
• Maximum switching voltage: 200 VDC / 140 VAC
• Maximum switching current: 1 A
• Carry current: 2 A
• On-resistance: 1 GΩ (typical)
• Switching speed: 1 GΩ off-resistance) for signal integrity in sensitive analog and RF routing
• 10⁹ relay operations minimum ensures extended operational life
• Low on-resistance (< 0.5 Ω) minimizes signal loss
• Dual voltage capability: 200 VDC or 140 VAC maximum
– Typical Applications
• Semiconductor automated test equipment (ATE)
• RF signal multiplexing and routing
• Analog signal switching in low-level measurement systems
• Wireless device validation test benches
• Complex multi-channel switching matrices
– Compatibility & Integration
The PXI-2529 integrates into standard PXI chassis (3U form factor). Control via NI-Switch driver software; compatible with LabVIEW, LabWindows/CVI, C/C++, and .NET environments. Connection to external circuits requires compatible terminal blocks (NI TB-2605, TB-2606, TB-2607) or custom cabling solutions.















