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The Allen-Bradley GuardPLC 1600 and 1800 controllers now can leverage the EtherNet/IP open networking protocol, which extends standard, unmodified Ethernet TCP/IP using an open, industrially proven protocol at the application layer. EtherNet/IP allows users to control, configure and collect data over the same network, allowing users to easily deliver control system information throughout the enterprise.

現在，Allen-Bradley的 GuardPLC1600和1800控制器可以調節EtherNet/IP開放式網絡協議，從而擴大標準，未修改的以太網TCP/IP在應用層中執行開放的工業檢驗協議。EtherNet/IP允許用戶在同一網絡上控制、設定和采集數據，并且允許用戶在整個企業里輕松地發送系統信息。

Troubleshooting is also easier with EtherNet/IP; maintenance workers are often already familiar with Ethernet for other applications and don't need to learn a new network. Rockwell Automation has also added four distributed I/O (DIO) modules to its Allen-Bradley GuardPLC line of safety controllers. The modules include a 8/8 digital input/output, a 16/8 digital input/output, an analog input/output and relay output. The two digital I/O modules have bipolar outputs for use with robot controllers and other specialty output devices. The analog module has eight safety-rated inputs and four standard analog outputs. The relay module has eight isolated relays that can be used to switch power or provide a dry contact as an enable signal.

通過EtherNet/IP，故障排查同樣輕而易舉。熟悉了其他應用的以太網的維護工人不再需要學習一個新的網絡。羅克韋爾自動化同樣在Allen—Bradley 的GuardPLC安全控制器產品線添加了四個分布式I/O (DIO)模塊。這些模塊帶有一個8/8數字輸入/輸出接口，一個16/8數字輸入/輸出接口，以及一個模擬輸入/輸接口和繼電器輸出口。這兩個數字I/O模塊帶有兩極輸出口，用于機器人控制器和其他專業輸出設備。模擬模塊擁有八個安全相關輸入口和四個標準模擬輸出口。繼電器模塊帶有四個獨立的繼電器，用于轉換電源或者提供一個干式接點作為可用信號。

The GuardPLC 1600 and 1800 controllers feature a built-in, four-port Ethernet switch, making it simple to connect the I/O blocks. With the addition of the EtherNet/IP protocol, an entire Ethernet solution can be implemented using just one wire for both safety and standard network layers, which reduces costs and the time necessary to wire the machine or cell. The GuardPLC 1600 and 1800 with EtherNet/IP connectivity along with all four new modules for the GuardPLC controller are currently shipping.

GuardPLC 1600 和 1800 控制器帶有內建的四端口以太網開關，方面了跟I/O程序塊的連接。通過外加的EtherNet/IP協議，一整個以太網方案的實施就僅需要一條線用于連接安全和標準網絡層，這就大大的減少了連接機器或者單元所必要的成本和時間。帶有EtherNet/IP 連接性的GuardPLC 1600 和 1800 ，以及一起應用于GuardPLC控制器的四個新模塊將在近期推出。

Rockwell Automation (NYSE: ROK), is a leading global provider of automation, power, control, and information solutions that help manufacturers achieve a competitive advantage in their businesses. Headquartered in Milwaukee, Wis., U.S.A., the company employs about 21,000 people serving customers in more than 80 countries.

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