Productivity 1000 Series PLC Drum Sequencer

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The productivity series of PLCs has a Drum and Sequencer instruction. Drum instructions are great tools. They mimic an electromagnetically drum sequencer. Have you ever seen the mechanisms of a music box? Ok so it’s a little drum with pegs that catch and flick the chimes in a particular sequence to play whatever tune is … Read more

C-More Micro HMI Object Numeric Entry

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We will now look at the C-More Micro Numeric Entry objects. The C-More Micro HMI Panel software uses virtual components called Objects. These objects are programmable to simulate the functions that you require on your automation project. Several of these objects can be placed on a one-panel screen and you can have multiple panel screens. … Read more

PLC Fiddle Shift Register Challenge

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Shift registers will move (shift) bits in a word (register) to the left or right. If we look at an example of boxes moving along a conveyor belt, the boxes would represent the bits in the register. The movement of the conveyor would be the shifting of the register that represents the movement of the … Read more

Productivity 1000 Series PLC Program Control

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The program control method and instructions will allow us to specify what parts of the logic get solved and when this happens. This will control how the PLC will scan and solve your logic in your program using a synchronous PLC Scan. Understanding the PLC program scan will explain the synchronous and asynchronous program scanning. … Read more

C-More Micro HMI Object Buttons and Indicators

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We will now look at buttons and indicators that we can use on our C-More Micro HMI. The C-More Micro HMI Panel software uses virtual components called Objects. These objects are programmable to simulate the functions that you require on your automation project. Several of these objects can be placed on a one-panel screen and … Read more

PLC Fiddle Compare Instruction Challenge

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Just about every program usually has some data comparison instruction. This is the ability to compare information from one area of the controller to another and act on results. The output of this comparison conditions the logical continuity of a rung. PLC Fiddle is a free online browser simulator and has the following compare contact … Read more