Blog

Entries for the 'PLC' Category

DMC & Siemens to Present at the 2019 Craft Brewers Conference

I will be joining other Siemens Solution Partners and Siemens in giving a presentation on Easy and Scalable Solutions for Brewery Automation with Siemens at the 2019 Craft Brewers Conference & BrewExpo America in Denver next week. You can also...


Using a High-Speed Counter’s Hardware Interrupt to Peripherally Write to an Output on a Siemens 1200 PLC

The built-in high-speed counters on Siemens PLCs are very useful for applications in which a machine needs to move material a specified distance. In these instances, the scan time of the program can add inconsistency to this distance. Reduce this ...


Using the Siemens LCom Library for TCP Communication on S7 PLCs

In a recent project, we needed to set up communication between a PC running LabView and a Siemens S7-1500 PLC. Thankfully, Siemens provides the LCom communications library, shown below, for setting up TCP communications on SIMATIC S7-300/400, SIMATIC...


Siemens WinCC Sm@rtServer Set-Up

As of TIA Portal V14, the built-in remote access utility called WinCC Sm@rtServer is now available to Basic Panels and no longer requires a separate license for Comfort Panels. This means that if you have a Comfort Panel-running device (version 14.0....


Custom Data Logging from a Siemens PLC to Microsoft SQL Using VBScript

DMC worked on a project where we wanted to log data to a local Microsoft SQL server to be able to save and display it using Microsoft Report Designer. However, the standard format of Siemens’ data log did not match up with the schema ...


Automation with an Arduino, PLC, or Custom Embedded Controls?

Automation and control come in a lot of different varieties and flavors. On the surface, Arduinos, PLCs, and embedded controls all appear to do the same function. So how do you determine which is best for your application? In this post, I’ll...


Tips for a Successful Synchronous Serial Communication Driver using Siemens SCL

Modern industrial communication is often performed over Ethernet protocols, especially within the Siemens product ecosystem. However, some external devices (especially non-Siemens devices) communicate using serial protocols. Luckily, Siemens provides...


Setting Up a New Allen-Bradley PLC and HMI: Tips and Tricks

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...


How To Disassemble and Fix a Fried S7-1200 PLC

Don’t you hate it when your coworker inadvertently wires up a 24V PLC to wall power and lets out the magic smoke? Just such a mishap happened in our lab a while back and the broken PLC was sitting around in the junk bin for a while. Figuri...


Using Digital Inputs and Command Data Set 1 to Control a Siemens G120 CU240

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...


Page 1 of 17First   Previous   [1]  2  3  4  5  6  7  8  9  10  Next   Last   
Page 1 of 17