介绍AT 89 C51单片机系统与智能调制解调器MODEM之间的接口电路和异步传输方式下的控制程序设计。
Interface circuit and the design of control program in asynchronous transfer mode between AT89C51 single chip microcomputer system and intelligent MODEM are introduced.
设计了以可编程控制器(plc)为核心的箱式热处理炉温度控制系统，包括硬件设计、控制程序设计及调试。
The temperature control system of box heat-treatment furnace based on PLC was designed, including hardware system, temperature control program and testing of control program.
此外，对步进比例电磁铁控制系统的原理和特性以及控制程序设计的方法进行了较为详尽的论述。
In addition, the paper elaborates the principle and characteristic of the control system of SPE and the design method of the controlling program.
提出了基于西门子S7-200PLC的变压器干燥系统的电气设计方案，介绍了部分控制电路及控制程序设计。
This paper presents the electrical design solution for the transformer dry system based on SIMATIC S7-200 PLC, and introduces partly design of control circuits and control programs.
本文介绍了立体车库的PLC控制系统总体设计、控制程序设计、PLC与上位机接口的通信方案设计、计算机从PLC读取数据的程序设计等。
The main description is on designs such as overall scheme, control program, communication interface between PLC and upper computer, data read program.
对电炉PLC控制系统进行了硬件设计、梯形图程序设计，并且使用plc仿真软件TRILOGI对所设计的梯形图程序进行仿真，确定控制程序的可靠性。
We design hardware and software of PLC control system. In order to confirm system reliability, we use TRILOGI software of PLC to simulate the ladder-shaped picture procedures.
对电炉PLC控制系统进行了硬件设计、梯形图程序设计，并且使用plc仿真软件TRILOGI对所设计的梯形图程序进行仿真，确定控制程序的可靠性。
We design hardware and software of PLC control system. In order to confirm system reliability, we use TRILOGI software of PLC to simulate the ladder-shaped picture procedures.
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