Josh Zimmerle

04/26/2019

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Thanks to TIA Portals development environment, laying out and linking a few objects on an HMI screen doesn’t take very much time. Though, this process starts to become tedious when there are many objects with many individual tag connections for...

Nick Leisle

04/22/2019

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“OA is a beast of a program.” One of my fellow DMC engineers made this remark when I began learning how to program using SIMATIC WinCC Open Architecture (OA for short). Indeed, for someone just getting started with OA, the SCADA software ...

Lillian Walker

02/21/2019

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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....

Kevin Best

02/07/2019

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In this blog, I’ll walk you through the basic commissioning steps to get a brand-new Allen-Bradley PLC and HMI up and running. All the information covered here is also available in Rockwell’s help documentation, but I tried to distill out...

Ryan Lake

01/18/2019

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I was recently on site with a client to commission a Siemens G120 VFD. This particular VFD was being used to drive a blower motor and inflate an airbag. The client required hard-wired manual control of the motor, in addition to controlling it from th...

John Michael Frullo

01/11/2019

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Certain control systems require operation 24/7, 365. That is: these systems should always be in action! In such applications, a fault in the controller or computer could prove disastrous. Therefore, redundant systems are introduced to handle automati...

Joe Kraemer

01/08/2019

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Creating tags in a Wonderware InTouch HMI project that connect to your Allen-Bradley PLC is quick and easy for small projects. However, on projects with hundreds or thousands of tags, it can become time consuming! To speed up this proces...

Furqan Ayub

10/03/2018

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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...

Nick Shea

10/03/2018

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DMC is excited to announce that we are now Ignition 7.9 CORE certified. Project Engineer Elizabeth Hill passed the Ignition Core Certification exam designed to test understanding and knowledge of Ignition. The test covers Ignition architect...

Emily Shanker

08/17/2018

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Each post in the Siemens HMI Toolbox series highlights a native HMI object in the Siemens WinCC Comfort, Advanced, or Professional environments. It is our goal to help users become more familiar with HMI development by sharing some of our best practi...