2009年11月30日 · Rockwell Automation announces that as of November 30, 2009, the DATA HWY RS-232C I/F MOD (STAND ALONE) will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product (s).

Bulletin 1771 Communication Controller Module User's Manual (Cat. Nos. 1771-KE, 1771-KF)

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1771-KF，PLC-5通讯模块，在RS-232-C设备和数据高速链路 (Data Highway Link)之间的接口，支持全双工或半双工通讯。 通讯速率：data highway为57Kbps；RS-232-C为110~19Kbps。 1771-KF模块采用单独安装方式，从1771-P2或类似电源获取电源。 Data Highway网络采用1770-CD通 …

The/Allen-Bradley 1771-KE / 1771-KF Communication Controller Modules link intelligent RS-232-C devices to an Allen-Bradley Data Highway. These modules have a choice of 2 protocols on the RS-232-C link: Full duplex and half duplex. The 1771-KE/1771-KF have the following hardware features: - diagnostic indicators - communication option switches

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