Скачать или смотреть Allen Bradley PLC Programming Sequencer Tutorial. Sequence Control

We are going to go in depth from start to finish on different PLC programming methods of sequence machine steps in Allen Bradley PLCs with tips for both beginners and automation professionals. In the last two livestreams we have discussed ladder logic machine sequencing in Studio 5000, formerly RsLogix 5000, for the Controllogix and Compactlogix PLC, and RsLogix 500 step sequencing for the Micrologix and SLC 500 PLC. In this one we will use Rockwell Automation's Connected Components Workbench with an Allen Bradley Micro820 PLC for these PLC sequence programming examples .

Among the methods we will cover will be using counters to sequence machines, multiple counter sequencer variation, Add and ONS sequence tracking, Seal In logic to do machine steps, Latch Unlatch bit tracking, MOV binary sequence tracking, multiply to shift bits variation, and bit shift left machine tracking. The one method you will not discuss is the SQI/SQO sequencer method. As we discussed in the Studio 5000 first program livestream, it isn't one of the best methods of sequencing machines because it is very brand specific. All of these methods will work across most brands of programmable logic controllers.


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00:00:00 Introduction to Sequencer Methods
00:05:17 Wiring Allen Bradley Micro820 Inputs and Outputs
00:30:57 Counter Sequencer
01:06:42 Multiple Counter Sequencing
01:16:07 SQI and SQO Sequencer Instructions
01:20:25 Seal In Sequencing
01:52:25 Micro820 lost IP address
01:56:14 Latch Unlatch Sequencing
02:04:11 BSL Bit Shift Left Sequence Tracking
02:18:03 MOV Binary Sequencing
02:35:51 MUL Binary Shift Sequence
02:39:09 MOV Sequencing Machine Steps