ABB  PROFIBUS-DP/V1接口 3BSE030220R1 CI854AK01 CI854，通信接口 TP854，底板

PROFIBUS DP是用于互联现场设备(如远程I/O、驱动器、低压电气设备和控制器)的高速多用途总线协议(高达12 mbit)。PROFIBUS DP可以通过CI854A通信接口连接到AC 800M。经典CI854A包括两个PROFIBUS端口以实现线路冗馀，并且还支持PROFIBUS主站冗馀。CI854B是新的PROFIBUS-DP主站，用于更换新安装中的CI854A。

PROFIBUS-DP通讯中通过两个CI854A通讯接口模块支持主冗馀。主冗馀可以与CPU冗馀和CEXbus冗馀(BC810)结合使用。模块直接安装在DIN导轨上，并与S800 I/O系统和其他I/O系统(包括所有PROFIBUS DP/DP-V1和FOUNDATION Fieldbus专业系统)连接。

PROFIBUS DP必须在两个外部节点上终止。这通常是通过使用带有构造的连接器完成的。为了保证正确的工作结束，必须插入连接器并提供电源。

功能与优点

• 用于通过PROFIBUS DP连接远程I/O和现场总线仪表

• 可以通过PROFIBUS链接设备LD 800P将PROFIBUS PA连接到CI854A/ CI854B

• CI854A和newer CI854B可以设置冗馀

3

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