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Description Beckhoff PC uses software to communicate with Allen-Bradley CompactLogix or ControlLogix. The software is called TwinCAT EthernetIP Slave. Without this software, Allen-Bradley can not get Beckhoff PC’s information. However, I could not find any document on how to check it. With help from Beckhoff technical support, I figured it out and wanted to show […] Problem Adding Function Block in Beckhoff TwinCAT structure text is not as straight forward as it should be in version 2.11 and before. There are some trick steps. Steps to Add Function Block in Structure Text Move cursor to programing area where you want to add a function block. Function Block in Struture […] Problem If one of the cards in a daisy-chained Beckhoff system has problem, the problem can cascade upward and cause whole system to hang up. In order to identify the problem node, we need to log which card causes the problem. The problem card normally shows up as not in operating mode (OP) with lot […] |
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