AB 1771 Digital I/O AC Input and Output Modules
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作者:FAN
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发布时间 :2025-04-21
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This document describes Allen-Bradley's 1771 series of digital AC input/output modules, covering a wide range of module types, describing general information such as system compatibility, status indicators, keying, and power requirements, as well as the differences in input/output characteristics, connectivity, fault mode selection, and specifications for each module. These modules are used to connect ON/OFF devices to programmable controllers, and are widely used in industrial automation because of their advantages in supporting high-power operation, providing system protection, and troubleshooting assistance.