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- RS485接口RS485 bus
- RS485接口标准RS485 interface standard
- 采用基于RS485接口的USS协议实现了PLC与变频器的串行通讯.The serial communication between PLC and frequency-converters is realized based on the USS protocol of the RS485 interface.
- 接口interface (port)
- 介绍西门子公司S7-200PLC和直流调速装置6RA70及变频器MICROMASTER420之间构成的调速控制系统,采用基于RS485接口的USS协议,实现PLC与多台直流调速器及多台变频器的串行通讯。This paper recommends the control system composed of SIEMENS PLC S7-200 and DC speed regulator of 6RA70 and frequency converter MICROMASTER420 based on USS protocol of RS485 interface so that the serial communication of PLC and different DC speed regulators and frequency converters is realized.
- 数据接口data interface
- usb接口
- RS485RS 485
- 串行接口serial interface
- 同步RS485Synchronous RS485
- RS485通信RS485 communication
- 网络接口network interface
- RS485网络RS485 network
- 连接口connector
- RS485/232RS485/232
- 微机原理与接口技术Computer Principles and Interface Techniques
- RS485/RS422RS485/RS422
- 通讯接口communication interface
- RS485现场总线RS485 field bus
- 接口技术interfacing