Entries for the 'PLC' Category

Jimmy Condon

02/19/2014

6 Comments

For a recent project using WinCC Professional V12, I needed to have a pop up window that could change based on the screen window that the operator clicks (motor, VFD, valve, etc.). The popup also needed to have its location change based on where the ...

Jack Cosgrove

10/07/2013

1 Comments

Reporting is almost a universal requirement for new projects coming into DMC these days. As part of an HMI we developed for a customer we also installed SQL Server Reporting Services (SSRS) on a Siemens PLC. This is used to generate reports for produ...

Tim Jager

07/09/2013

95 Comments

This is a brief tutorial on getting started with the Siemens embedded web server in the S7-1200 and S7-1500.  Using the concepts explained below, you can create a simple web page or a fully featured HTML5 web app.  Getting Started ...

Frank Riordan

04/25/2013

0 Comments

As a Siemens Solution Partner, DMC looks forward to attending the annual Siemens Automation Summit each year. Focused on the end users of Siemens automation products, the Summit offers opportunities for best practice sharing, networking, free hands-o...

Jack Cosgrove

04/02/2013

0 Comments

I had the opportunity recently to work for a client who wanted to extract log data from a Siemens WinAC PLC using a C# .NET client. The application was archiving software that would run when another software component encountered an error. Log data w...

Jon Carson

01/29/2013

5 Comments

Siemens offers useful tools for accessing both Simatic and SiMotion projects programmatically, in the form of registered COM Type Library DLLs. These tools offer many exciting possibilities (well, it does if you're like me, and get excited by thi...

Frank Riordan

01/03/2013

0 Comments

I'm always trying to get my daughters, ages 8 & 5, interested in what we do here at DMC. It's a challenge because I have a hard enough time explaining what DMC does to someone I meet at a cocktail party, never mind a couple of young kids....

Jon Carson

01/02/2013

2 Comments

There are many good options for automation and controls redundancy out there. Here is an example we just recently used in the field. The customer specified a requirement of complete redundancy for all IT, networking, and HMI components of one of a la...

Jason Mayes

10/16/2012

2 Comments

A few weeks ago I had the chance to experiment with serial communications using a Siemens S7-1200 PLC outfitted with a CM1241 (RS-485 module). Due to the limited number of projects we've had using the 1200 line of PLCs, this was an office first. ...

Jason Mayes

08/15/2012

7 Comments

Today, I found myself setting up some simple point-to-point serial communication on a Siemens S7-1200. For the current application, I was writing a simple function block to broadcast data to a Red Lion serial slave display, but there are a varie...