s5 115cpu programming software

[devonbrummie]

hi yesterday i came across an old siemens s5 115u cpu it works perfect, but i need to access the plc to fault find i worked on these many years ago and dont have the software any longer can anyone recommend the software and lead to assist, just need it to view and edit , no need for development or create new projects many thanks DB

[Moggie]

The software is Siemens Step5 or PG2000 from process-informatik. Step 5 runs in a dos window PG2000 is windows software. If you have the software on a pc then you will require a com port and the rs232 to TTY converter from siemens. Process-informatik also have usb to S5 PLC converters.