基于VXI总线常规信号测井模块设计

Design of a general signal logging module based on VXI bus.

常规信号测井模块是前端测井信号采集箱中的一块插件 ,用于基于高速数据采集和数字信号处理的VXI总线的测井地面系统。文章介绍了该模块的电路原理和实现方法 ,用FPGA器件实现了VXI总线寄存器接口电路设计及数字信号的处理。该模块能准确地采集直流、脉冲、周期等常规测井信号。

The general signal logging module is a card for front-end box of a surface equipment,based on the VXI bus,used for high speed data acquisition and digital signal processing. Circuit diagram and function realization of the module are introduced. FPGA devices are utilized to carry out the digital circuit design of digital signal processing and interface with the register-based VMI bus. It is proved by application that its design of both hardware and software is successful.