The utility model relates to a PCI precise measuring control system, belonging to the testing machine and the technical field of industrial automatic measurement and control. Sinusoidal signal forming circuit by 3 Simulation and Simulation of measuring sensor are respectively connected with the zero adjustment amplifier gain adjustment circuit, and connect with A / D converter, the A / D converter are respectively connected with the programmable gate array circuit, also the digital quantity and the photoelectric isolation circuit is connected with a control output, the programmable gate array circuit inside the PCI is connected with PCI bus interface, 3 digital sensors respectively with photoelectric isolation and interference filter circuit connected respectively with the programmable gate array circuit connection. Advantages: in the analog sensor measurement process, supply voltage and A / D converter with unity, can keep the consistency of sample multiple measurement signals by large-scale programmable gate array synchronous sampling, will not produce any time deviation.
【技术实现步骤摘要】
【技术保护点】
一种ＰＣＩ精密测量控制系统，其特征在于：正弦信号形成电路分别与３个模拟传感器一、二、三连接，该３个模拟传感器一、二、三分别与模拟测量放大与零点调整增益调整电路一、二、三连接，该模拟测量放大与零点调整增益调整电路一、二、三分别与相敏解调电路一、二、三连接，该相敏解调电路一、二、三分别与Ａ／Ｄ转换器一、二、三连接，该Ａ／Ｄ转换器一、二、三分别与可编程门阵列电路连接，该可编程门阵列电路与光电隔离的数字量控制输出电路连接，该可编程门阵列电路内部的ＰＣＩ接口与ＰＣＩ总线连接，３个数字传感器一、二、三分别与光电隔离及滤波抗干扰电路一、二、三连接，该光电隔离及滤波抗干扰电路一、二、三分别与该可编程门阵列电路连接。
【技术特征摘要】
【专利技术属性】
技术研发人员：孔祥龙，
申请(专利权)人：长春市奥维精密试验设备有限公司，
类型：实用新型
国别省市：82[中国|长春]
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