This is an unofficial Library to use with the Simatic S7 1200/1500 Series' JSON-RPC-APIs. It provides basic functionality to read and write data. But it also utilizes polling to implement the ability ...

The American Gas Association (AGA) Releases a Series of Reports, or Standards, That Define the Measurement Equations for the Flow of Natural Gas Siemens has implemented seven AGA Calculations in their ...

php plc-access.php DB21.1:uint8=0xff (write 255) option "-x": show result using hex digit php plc-access.php DB21.1:uint8=0xff -x (0xff) php plc-access.php DB21.1.0:bit DB21.1.7:bit -x (0x01, 0x00) ...

Abstract: This paper presents the design and validation of a fuzzy logic controller implemented with an industrial programmable logic controller (PLC). The chosen device belongs to the S7-1200 series ...

Malware like Stuxnet is not the reason for software vulnerabilities in Siemens S7-1200 programmable logic controllers. According to the automation company, a new firmware update fixes a weakness found ...

A group of security researchers in Israel has discovered vulnerabilities in the Siemens S7 Simatic architecture that ultimately allowed them to build a phony engineering workstation that was able to ...