horner plc programming examples

Horner XL4 Data Logging – All In One Controller

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Data logging is the ability to save and view data from the PLC in a format that we can utilize elsewhere on the network. The Horner APG XL4 has this feature in its design to periodically log registers to removable media. (Micro SD) This data is stored in .CSV (comma-separated value) format which is compatible … Read more

Horner XL4 HTTP Web Server – All In One

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The Horner APG XL4 all in one controller through the Ethernet port can set up a HTTP server. This HTTP (Hypertext Transfer Protocol) server can be used for distributed and controlled information presented to and from the controller to the network. The server can have security for the information presented. We use HTML (Hypertext Mark-up … Read more

Horner XL4 FTP File Transfer Protocol Server

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The Horner APG XL4 all in one controller through the Ethernet port can set up a FTP server. This FTP (File Transfer Protocol) server can be used to move files from the controller to the network. The server can have different security for reading and writing the files. We will use the program on the … Read more

Horner XL4 Recipe Instruction – All In One

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The Horner APG XL4 all in one controller has recipe instructions. Recipes allow you to send or update multiple registers in your program from the removable micro SD memory card. Each recipe can have 250 ingredients and 1024 products. The number of recipes will be limited to the size of the removable memory card. We … Read more

Horner XL4 Rotate and Shift Register

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The Horner APG XL4 all in one controller has several different instructions to shift and rotate the bits, bytes, words or double words in the memory. We will be discussing the bitwise operations of the shift and rotate instructions. Looking further into the move operations we will look at the Element Rotate and Element Shift instructions … Read more

Horner XL4 Program Control Instructions

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We will now look at program control in the Horner XL4 all in one controller. PLC programs scan usually from left to right, top to bottom. The outputs from the previous rung are available for the next. This is the operation of a PLC. Program control instructions allow us to add or remove parts of … Read more

Horner XL4 Compare and Move Instructions

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Compare and move instructions in the Horner XL4 OCS all-in-one controller can be very powerful. We will be looking at how to use these compare and move instructions. Combining these two instructions to build a sequencer, we will apply this to an application example. Our application will be a simple traffic light. The HMI screen … Read more

Horner XL4 Numbering System and Addressing

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We will now look at the Horner XL4 numbering system and addressing. Data is stored in different memory-type locations called registers. The registers can be either bits or words (16bit). Multiple registers can be used together to store a 32-bit value. (Double word) This all in one controller has several additional registers to handle some … Read more

Horner XL4 Cscape Software Setup – All In One

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The Horner XL4 OCS all-in-one controller is programmed using Cscape. Cscape (Control Station Central Application Programming Environment) We will now set up the Cscape software so we can easily communicate and program our controller.

Horner XL4 Installing the Software Cscape

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The Horner XL4 OCS all-in-one controller is programmed using Csape. Cscape (Control Station Central Application Programming Environment) This single programming software package is designed to be easy to use and maintain. We will now install this programming package onto our computer.