描述
产品定位与功能
NI PXI-2568/31推测为PXI平台高密度矩阵开关模块，专为自动化测试系统设计，适用于半导体测试、航空电子设备验证及多站点并行测试场景。其核心功能包括：
多通道信号路由：支持高达16×16矩阵配置（256独立通道）；
灵活扩展：通过级联多个模块实现更大规模测试网络；
信号兼容性：适配直流、低频交流及脉冲信号（频率范围≤1 MHz）。
核心参数推测
开关特性
-继电器类型：电磁机械继电器（EMR）；
-触点规格：最大负载250 V/1 A（电阻性负载）；
-切换速度：典型闭合时间≤5 ms；
-机械寿命：≥10^6次切换循环。
系统集成
-PXI尺寸：4U高度，单槽占用；
-通信接口：通过PXI本地总线实现配置与状态监控；
-同步支持：兼容PXI Star Trigger及数字I/O同步信号。
环境适应性
-绝缘电阻：≥10 GΩ（500 V DC）；
-耐振动：符合IEC 60068-2-6标准（20–2000 Hz扫频振动测试）。
技术特点
架构优化
-模块化设计：支持热插拔（需系统断电）；
-诊断功能：内置开路/短路检测（通过NI Switch Executive软件）。
软件生态
-驱动兼容：NI-DAQmx及Switch Executive图形化配置工具；
-编程支持：LabVIEW、Python（通过PyDAQmx库）及C++。
信号完整性保障
-串扰抑制：<0.1%（相邻通道隔离度）；
-触点清洁：真空放电技术减少氧化影响。
典型应用场景
半导体测试
-IC引脚多路复用（单模块覆盖多DUT接口）；
-参数测试仪信号路由（如源表与探针台联动）。
国防与航天
-机载设备环境测试（多传感器信号切换）；
-雷达系统脉冲信号分发网络。
Product Positioning and Functions
NI PXI-2568/31 is speculated to be a high-density matrix switch module on the PXI platform,specially designed for automated testing systems,suitable for semiconductor testing,avionics equipment verification and multi-site parallel testing scenarios.Its core functions include:
Multi-channel signal routing:Supports up to 16×16 matrix configuration(256 independent channels);
Flexible scaling:implement larger-scale test networks by cascading multiple modules;
Signal compatibility:Adapt to DC,low-frequency AC and pulse signals(frequency range≤1 MHz).
Core parameter estimation
Switching characteristics
-Relay type:electromagnetic mechanical relay(EMR);
-Contact specifications:Maximum load 250 V/1 A(resistive load);
-Switching speed:Typical closing time≤5 ms;
-Mechanical life:≥10^6 switching cycles.
System integration
-PXI size:4U height,single slot occupancy;
-Communication interface:configuration and status monitoring are realized through PXI local bus;
-Synchronization support:compatible with PXI Star Trigger and digital I/O synchronization signals.
Environmental adaptability
-Insulation resistance:≥10 GΩ(500 V DC);
-Vibration resistance:complies with IEC 60068-2-6 standard(20–2000 Hz sweep vibration test).
Technical Features
Architecture optimization
-Modular design:supports hot plug(system power outage required);
-Diagnostic function:built-in open/short-circuit detection(through NI Switch Executive software).
Software Ecology
-Driver compatibility:NI-DAQmx and Switch Executive graphical configuration tools;
-Programming support:LabVIEW,Python(through the PyDAQmx library)and C++.
Signal integrity guarantee
-Crosstalk suppression:<0.1%(adjacent channel isolation);
-Contact cleaning:Vacuum discharge technology reduces oxidation effects.
Typical application scenarios
Semiconductor testing
-IC pin multiplexing(single module covers multiple DUT interfaces);
-Parameter tester signal routing(such as the source table and probe station linkage).
National Defense and Space
-Airborne equipment environmental testing(multi-sensor signal switching);
-Radar system pulse signal distribution network.
