Modbus是施耐德电气于1979年为使用PLC通信而发表的一种串行通信协议。 现在它已经成为工业领域通信协议的业界标准,并且是工业电子设备之间常用的连接方式。Modbus被广泛使用的原因主要有三个: Modbus通信协议作用在OSI模型的物理层(1层)、数据链路层(2层 ...
The new CLICK PLUS PLC series is the next generation of simple control. Building on the practical and popular CLICK PLC series, CLICK PLUS PLCs provide the same low-learning-curve control but with ...
Pricing starts at $69 and the unit has stackable I/O modules and free programming software. It features eight inputs and six outputs, available in four combinations of built-in I/O types. For ...