The 100 controller class is supported w/the IEC-61131; max. 128 kB I/O data.
Pc Worx Express Is An Easy-To-Operate Engineering Software
Phoenix Contact Software PC - 2988670
PC WORX XPRESS ENGINEER SOFTWARE
PC WORX EXPRESS is a piece of easy-to-operate engineering software. Class 100 and class 1000 modular small-scale controllers as well as the PC WORX SRT software controller with IEC-61131 programming languages ST and LD are supported. Free programming version without licensing mechanism, max. 128 kbyte of input and output data.