Posted 11 Jun 2008 I make a program that is made in it 2 FCes. I write a instruction in ob1 for going to FCes but this program isn't work correctly. please lead me what's wrong? 1_PROJ_MAN_AUTO_KEYS.zip Share this post Link to post Share on other sites
Posted 11 Jun 2008 Not everyone who can help has a copy of Step 7 handy. Be better if you PDF'd of displayed snapshots of the code you are having problems with and be more specific with the problem. Share this post Link to post Share on other sites
Posted 12 Jun 2008 The program: OB1: A "in" S M 0.1 A "AUTO/MAN SELECTOR" FP M 0.0 R M 0.1 CC FC 1 A "in" FN M 0.1 R M 0.0 CC FC 2 AN "in" R M 0.0 R M 0.1 R M 0.2 R M 0.3 R M 0.4 R M 0.5 R M 0.6 R M 0.7 FC1: A "EMPTY SENSOR" S M 0.4 R M 0.5 A M 0.4 S "INLETVALVE" R "OUTLETVALVE" A "FULL SENSOR" S M 0.5 R M 0.4 A M 0.5 S "OUTLETVALVE" R "INLETVALVE" FC2: A "MAN-INLET KEY" = "INLETVALVE" A "MAN-OUT KEY" = "OUTLETVALVE" What do you want the program to do how should it work? Share this post Link to post Share on other sites
Posted 12 Jun 2008 Be helpful to state what the problem is, what these inputs are supposed to represent and what PLC it is. S7-200 is totally different to S7-300/400. The program looks like the latter. I can see that M 0.1 is being used as a SET/RESET and then later as a Falling Edge detection, so that's a conflict. Also if the clock memory is enabled and it still has the default MB0 set, then all the memory bits will screw up. Share this post Link to post Share on other sites