Testing Modbus TCP

Recently, I needed to check a Modbus TCP server. I went through several client utilities, and I liked one by Schneider most of all: https://www.schneider-electric.com/en/faqs/FA180037/ It also works with Modbus RTU via the COM port. The only drawback is that it only works with default port 502. With the ability …

Step 7, Windows and Linux

New Siemens PLCs S7-1200 and S7-1500, and TIA Portal software have already become quite mature products and they can be recommended for new projects now, but Step7 will be required for the support of old projects for a long time still. Recent release of the new version Step7 v5.6 (Step …

Compressor sequence

Revision 03-Apr-2014. To run the applet please install Java runtime Download applet. This Java applet illustrates the work of refrigeration compressor sequence algorithm, which has been developed by our company basing on several years of experience. In this example, there are four screw compressors with slide valve capacity regulation, and …

Useful links

plcforum.uz.ua Good forum on automation. The topic is about Siemens keys (authorization required). Warning: use EKB_install only for testing, buy the license for site, or else there may be trouble. forums.mrplc.com Good forum on automation. www.plctalk.net/qanda Good forum on automation. support.automation.siemens.com Siemens forum and support (this address is difficult to …