On Wed, 30 Nov 2011, Eric H. Johnson wrote: > Date: Wed, 30 Nov 2011 15:03:37 -0500 > From: Eric H. Johnson <[email protected]> > To: "Enhanced Machine Controller \\(EMC\\)" <[email protected]> > Subject: [Emc-users] Mesa 7i37 inputs > > Hi all, > > I am using the Mesa 7i37t for inputs such as end of travel limits. It is > connected to a 5i20 controller. I am seeing the corresponding LED for the > input toggle on the 7i37 board, however no corresponding pin is toggling in > HAL. If I disconnect the 50 pin cable and directly jumper the input to > ground, then I see the input toggle in HAL: All configuration jumpers are at > their defaults on both the 7i37 and 5i20. > > I have used the 7i37 before without any problems, although this is the first > time using the t version. Am I missing something stupid, or is there a > problem with the board? It is brand new out of the box. > > Thanks, Eric
If you see a RED LED toggle on the 7I37T it means you have the input polarity reversed (the RED LEDS are the reverse protecton diodes for the OPTOs) Peter Wallace Mesa Electronics ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
