The Allen-Bradley ControlLogix line of pro-grammable logic controllers (PLCs) offers several in-terfaces: Ethernet, ControlNet, DeviceNet, RS-232 and others. The ControlLogix Ethernet interface module 1756-ENET uses EtherNet/IP, the ControlNet protocol, encapsulated in Ethernet packages, with specific service codes. A driver for the Experimental Physics and Industrial Control System (EPICS) has been developed that utilizes this EtherNet/IP protocol for controllers running the vxWorks RTOS as well as a Win32 and Unix/Linux test program. Features, per-formance and limitations of this interface are presented.
翻译：Allen-Bradley 控制逻辑控制器(PLCs)的Allen-Bradley ControlLogix直线提供了几张天面图:Ethernet、控制网、设备网、RS-232等。控制Logix Ethernet界面模块1756-ENET使用EtherNet/IP,控制网协议,封装在以太网软件包中,配有具体的服务代码。已经开发了实验物理和工业控制系统(EPICS)的驱动程序,该驱动程序对运行 vxWorks RTOS 的控制器以及 Win32 和 Unix/Linux 测试程序使用EtherNet/IP。介绍了该界面的特点、符合性和局限性。
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