描述
产品定位与功能
NI PCI-6713是National Instruments(NI)推出的高性能12位模拟输出板卡,专为工业自动化、实时控制及高精度信号生成场景设计。其核心功能包括多通道高速模拟输出、数字I/O控制及计数器/定时器功能,适用于复杂系统的动态信号生成与同步控制。
核心参数与性能
模拟输出(AO)
-通道数:8路独立模拟输出通道;
-分辨率:12位;
-更新速率:每通道最高1 MS/s(兆样本/秒),支持多通道并行输出;
-输出范围:可编程电压范围(典型±10 V或0–10 V)。
数字I/O(DIO)
-通道数:8条5V TTL/CMOS兼容数字I/O线;
-功能:支持PWM信号生成、状态监测及外部触发信号输入。
计数器/定时器
-数量与精度:2个24位加/减计数器,最高时钟频率20 MHz;
-应用场景:编码器信号解码、脉冲宽度测量、频率生成等。
同步与触发
-触发模式:支持硬件触发、软件触发及外部时钟同步;
-多设备扩展:通过PXI星触发或PCI总线实现多卡协同(需搭配兼容机箱)。
技术特点
高速并行输出:8通道独立控制,适用于多轴运动控制或分布式信号生成;
低延迟设计:优化PCI总线通信协议,确保实时性(典型延迟
<100μs);
软件兼容性:
-支持NI-DAQmx驱动及LabVIEW、TestStand开发环境;
-提供API接口适配MATLAB、Python等第三方工具。
典型应用场景
工业自动化
-多轴伺服电机控制(同步输出PWM信号);
-生产线传感器激励与反馈调节。
测试与测量
-任意波形生成(如正弦波、方波);
-高速数据回放(模拟传感器信号注入)。
科研实验
-物理量动态模拟(如振动激励信号生成);
-实时控制算法验证(结合数字I/O闭环响应)。
Product Positioning and Functions
NI PCI-6713 is a high-performance 12-bit analog output board launched by National Instruments(NI),designed for industrial automation,real-time control and high-precision signal generation scenarios.Its core functions include multi-channel high-speed analog output,digital I/O control and counter/timer functions,which are suitable for dynamic signal generation and synchronization control of complex systems.
Core parameters and performance
Analog output(AO)
-Number of channels:8 independent analog output channels;
-Resolution:12 bits;
-Update rate:up to 1 MS/s per channel(megas samples/second),supports multi-channel parallel output;
-Output range:Programmable voltage range(typical±10 V or 0–10 V).
Digital I/O(DIO)
-Number of channels:8 5V TTL/CMOS compatible digital I/O lines;
-Function:Supports PWM signal generation,status monitoring and external trigger signal input.
Counter/Timer
-Quantity and accuracy:2 24-bit add/under counters,maximum clock frequency of 20 MHz;
-Application scenarios:encoder signal decoding,pulse width measurement,frequency generation,etc.
Synchronization and Triggering
-Trigger mode:supports hardware triggering,software triggering and external clock synchronization;
-Multi-device expansion:Multi-card collaboration is achieved through PXI star trigger or PCI bus(need to be equipped with a compatible chassis).
Technical Features
High-speed parallel output:8-channel independent control,suitable for multi-axis motion control or distributed signal generation;
Low latency design:Optimize PCI bus communication protocol to ensure real-time(typical delay<100μs);
Software Compatibility:
-Supports NI-DAQmx driver and LabVIEW and TestStand development environments;
-Provide API interface to adapt to MATLAB,Python and other third-party tools.
Typical application scenarios
Industrial automation
-Multi-axis servo motor control(simultaneous output PWM signal);
-Production line sensor excitation and feedback adjustment.
Testing and Measurement
-Generation of arbitrary waveforms(such as sine waves,square waves);
-High-speed data playback(analog sensor signal injection).
Scientific research experiments
-Dynamic simulation of physical quantities(such as generation of vibration excitation signals);
-Real-time control algorithm verification(combined with digital I/O closed-loop response).