Categories

Entries for the 'WinCC' Category

Ken Brey

VNC on Siemens WinCC Flex HMI with WinCE

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 extract the contents of efonvnc_v4.3_wce5x_armv4i.zip into a folder in Program Files on the panel. Run the file VNCConfig.exe once to configure the connection. It is also available from the VNC icon in the system tray. Run WinVNC.exe to launch the se...

Continue reading →


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

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, PLCs are also capable of communicating through wireless data plans. DMC just finished the proof-of-concept phase in a project using the new Siemens Simatic S7-1200 PLC and Siemens Sinaut MD720 GPRS GSM cellular modem. We were able to successfully se...

Continue reading →


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

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 place to take over instantaneously if the primary system fails. I recently deployed one such redundant control system for train tunnel ventilation at a major international airport. The system's main objective is to control, reduce, and help exting...

Continue reading →


Page 2 of 2First   Previous   1  [2]  Next   Last   

Categories