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Entries for the 'Siemens PLC' Category

Relative Gearing to an External Encoder with a Siemens 1500 PLC

DMC has often encountered a scenario where a customer wants to have a motor drive follow the position of an external encoder. However, a regular 1500 PLC does not allow you to directly gear to an external encoder; this functionality requires a 1500T ...


How to Update a Siemens PLC without TIA Portal using the SIMATIC Automation Tool

DMC recently provided remote support for one of our customers. We made critical updates to their PLC code as they were commissioning their machine internationally. Unfortunately, our client didn’t have TIA Portal software available at the ti...


Siemens S7-1500 PLC Troubleshooting Tips and Tricks

Look at you! You’re enterprising and a real go-getter! You’ve been working on an S7-1500 and can’t get your project to connect and download, but it’s not a problem. You know that all you need is a quick factory reset and you s...


Optional Hardware Configuration Control in TIA Portal

Ever wish you could create a project with optional hardware modules? Or add hardware in the field with any programming? Configuration Control within TIA Portal allows you to configure hardware modules and even I/O network objects to be optional so th...


Automatic HMI Connection Fail-over in TIA Portal with the S7-400H

For anyone who has spent much time working with the SIMATIC S7-400H, it becomes quickly apparent that the devil is often in the details. You find that there are many small settings and 'tricks' that you uncover while setting up redundancy, re...


Siemens Open Library Version 1.4 and Portal V14 Beta Release

Version 1.4 has just been released for the Siemens Open Library. This includes a V13 SP1 update and also contains a Portal V14 beta release. Explore and download the Siemens Open Library at openplclibrary.com. V13 SP1 Update 9 contains the fo...


Multiplexing Arrays of UDTs in TIA Portal V14

It's back! When V13 SP1 was first released, one of the features I was most excited about was the ability to multiplex arrays of custom UDTs on a PLC using a simple index tag on an HMI. This feature allowed me to use a single faceplate or scree...


Acyclic Parameter Reading and Writing Between Siemens PLCs and VFDs

Have you ever wanted to read current, torque, or power data from your Siemens variable frequency drive (VFD) without having to change your telegram or communication configuration? Well, you are in the right place! The guide below will walk you throug...


Siemens Open Library Marks 1000th Download

The Siemens Open Library marked its 1000th download this week. The free, open source function block library was launched in June 2016 through a partnership between DMC and Siemens. The library aims to be a resource for consistency, usability, and fas...


Commissioning a Siemens G120 VFD with Extended Safety using the Onboard Terminals

DMC recently discovered that there are some unique settings associated with configuring a Siemens G120 Variable Frequency Drive (VFD) with extended safety functionality using the onboard terminals. This blog is meant to be a guide for this type of co...


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