西门子S7-300 PLC模拟量转换
Analog Inputs and Outputs in an S7 PLC are represented in the PLC as a 16-bit integer. Over the nominal span of the analog input or output, the val...
Analog Inputs and Outputs in an S7 PLC are represented in the PLC as a 16-bit integer. Over the nominal span of the analog input or output, the val...
The MAX9257/MAX9258 programmable serializer/deserializer (SerDes) devices transfer both video data and control signals over the same twisted-pair ca...
摘要:互操作性是一个系统经过很少甚至无需系统操作员介入而实现与其它系统协同工作的能力。系统的互操作性使其有可能为其它系统提供服务或接受其它系统的服务,使得不同厂商的系统能够协同工作。本应用笔记介绍如何设置DS34S132 TDM-over-Packet (TDMoP) IC,使其与其它TDM...
Designing Boards with Atmel AT89C51,AT89C52, AT89C1051, and AT89C2051 for Writing Flash at In-Circuit Test. Recent improvements in chips and teste...
为解决输油管道温度压力参数实时监测的问题,设计了以C8051F930单片机作为控制核心的超低功耗输油管道温度压力远程监测系统。现场仪表使用高精度电桥采集数据,通过433 MHz短距离无线通信网络与远程终端RTU进行通信,RTU通过GPRS网络与PC上位机进行远程数据传输,在...