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Entries for 'wincc'

Configuring a WinCC Professional Trend to Update Start and End Times based on DateTime Tags

I was recently working on a project with a tricky trending feature: display a trend over the course of a batch while the batch is running. No matter how long the batch had been running, we wanted to show the process value for the length of the trend....


WinCC Comfort/Advanced HMI Heartbeat

WinCC Advanced provides a way to monitor the heartbeat of the HMI through an area pointer called coordination word. PLC can monitor this life bit and find out when the HMI gets disconnected. This blog shows you how to monitor the HMI life bit on a...


Flattening WinCC's Skeuomorphism: The Toggle Switch

I recently developed an HMI using WinCC 7.4 for an automation project. Building it from the ground up afforded me the opportunity to deviate from WinCC’s default skeuomorphic controls and instead experiment with more modern, flatter UI ele...


Loading a Combo Box Using a VBScript in WinCC Pro

For a recent project, I created a combo box object that is set using a VBScript. The following blog details some advantages of using a VBScript and four steps to loading a combo box using a VBScript in WinCC Pro. Advantages of VBScript The m...


Siemens RFID Card Reader Setup, User Administration, and Auto-Login

This blog is an instruction guide to installing the necessary Comfort Panel HMI software for interfacing with a Siemens RFID card reader. Additionally, the guide will demonstrate the necessary setup elements in the PLC project, as well as instru...


How to Set Up an MRP-based Ring Network in TIA Portal

One of the great, and underused, features in TIA Portal is the Network Topology tab of "Devices and Networks." It can enable you to accomplish a number of advanced tasks while simultaneously providing more in-depth network diagnostics. Toda...


How to Convert from ProTool to WinCC Flex

ProTool is an HMI software package from Siemens. Most people (myself included) are most familiar with WinCC Flexible and Portal as the two primary Siemens HMI software packages. ProTool is the predecessor to WinCC Flex, and was phased out in 2004. So...


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...


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...


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