ProTool is a configuration software package for the SIMATICHMI family as it uses the same configuration software to configure all the devices in the family. It is a Windows application used in Windows 95, Windows 98 and Windows NT. It creates object-oriented, symbol-based projects without the need of having programming knowledge. The editors that are provided in the software can be used simultaneously, different projects may be opened, even from different devices, and data can be transferred through the clipboard from one project to another. It can be integrated in the SIMATIC STEP 7 configuration software which allows selecting of STEP 7 symbols and data blocks as tags in ProTool. This eliminates the possibility of making errors in entering the same data several times.The ProTool package contains drivers for PLCs such a Siemens PLCs, SIMATIC S5m SIMATIC S7, SIMATIC 500/505 and PLCs of other manufacturers like Allen-Bradley DF1, Allen-Bradley DH485, GE Fanuc, MITSUBISHI FX, Modicon Modbus, OMRON (Link/Multilink), Telemecanique TSX Adjust, and Telemecanique Uni-Telway. Standard projects contain device-specific standard screens and it provides all the functions needed for the basic operation of the operating unit. The project assistant in ProTool automatically integrates a new project with the standard project associated with the operating unit and the set PLC.