Blog

Entries for the 'HMI and SCADA' Category

Automation Redundancy Using ICONICS WebHMI Solutions

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...


Recently, I needed to read a command line parameter within a VBA code (it's for an Iconics SCADA application, but I developed it with Excel VBA which is essentially the same). It doesn't sound like a big deal but there wer...


Iconics, VBA, VBScript, and Writing to OPC Tags

Background DMC has often had to download a high number of values from a SQL server to an OPC server. In the past, this had usually been done with VBA code that was called from an Iconics HMI screen. The code looped through about 600 tags in less t...


DMC at the 2011 Siemens Automation Summit

As a proud Siemens Solution Partner, DMC always looks forward to participating in the annual Siemens Automation Summit. Each year, the Summit offers attendees several days of engaging demonstrations, networking opportunities, and other breakout event...


Siemens PLCS, Networking, and More--DMC at the SITEC 2011 Conference

I recently had the opportunity to attend my first Siemens technical conference. The conference, called SITEC, took place May 16-20 in Atlanta, GA, and Kristie Shea and I represented DMC. SITEC is Siemens’ technical conference where solution par...


DMC to Present at the 2011 Siemens Automation Summit

DMC is excited to attend and present at the Siemens Automation Summit 2011 held from June 27-30 at Disney’s Yacht and Beach Club Resorts in Orlando, FL. The Summit is an annual conference that focuses on the end-users of Siemens automation prod...


Using Siemens S7-300 PLCs to Report System Errors

The Siemens S7-300 line of PLCs has about a million great features integrated into the programming environment. After I recently inherited a PLC project where some (many) of these were not implemented, I thought it might be a good idea to do a recap ...


A version of VNC Server is available which works on Siemens MP277 and other Siemens displays that are WinCE 5.0 or higher. The open source project can be found here: http://sourceforge.net/projects/efonvnc/ The MP277 uses the ARM processor, so ...


Siemens S7-1200 PLC communicates through Sinaut MD720-3 cellular modem

Many consumers, including myself, have tapped into the ever-growing functionality of mobile internet. Many people leverage this infrastructure for their mobile phone. Others are beginning to use WiMAX connections for their PCs. Not to be out-done, PL...


Redundant Control Systems: Siemens S7 400H Series PLC and WinCC

There are certain control systems, such as in nuclear power plants and airplanes, that cannot be disabled or shut down, even momentarily, because of the threat to people’s lives. In these applications, a redundant control system must be in plac...


Page 7 of 8First   Previous   2  3  4  5  6  [7]  8  Next   Last   
Page 7 of 8