7 discussions on PolyTech Forum about the Siemens S7-200: what owners asked, what went wrong, and what fixed it.
I've designed complex control systems but PLCs weren't part of the situation. So, I've not used PLCs hands-on but the concepts of how they work, etc. seems easy enough.I'm trying to learn more about PLCs so I might be able to help improve...
Let's get some opinions, which PLC all around offers the best PLC's, best price, performance and reliability in the following ranges?1 Mini-Micro2 Expandable Shoe box3 Midrange4 Hi End
Mangels vernünftigen Angeboten spiele ich mit dem Gedanken, einekontrollierte Lüftungsanlage mit Wärmerückgewinnung für ein Dreifamilienhaus(in Bauphase) selbst zu bauen.Dazu benötige ich eine eine programmierbare Regelung, welche mit...
Hallo,haben Gleichspannungsschütze für gewöhnlich Freilaufdioden integriert?Ich habe in einem kleinen teilzerlegten Steuerungskasten eine S7-200 mitDC-Ausgang, welche direkt ein Kleinschütz Siemens 3TF2 (24V DC) ansteuert.Ich habe...
I posted this over in S.E.C. but thought I would post here also. Does anyone know of a utility to convert a Siemens S7-200 program over to a S7-300? Apparently there is some formatting or other differences between the two.
Hi to allI was told by SIEMENS that the analog input module doesn't have thisfacility. It needs to be done by the application software.Isn't that strange?They told me the thermocouple modules DO detect open circuit...Thanks in advance...