I have an Excel VMC 510 with a Fanuc OM controller. It has the tape switch on the panel and I can load and run programs with no problem as long as they are under 16K. I want to drip feed to this controller but cannot seem to get it to work. I can access the ladder program and I can see the G127.5 coil but the contacts show that the relay is open. When I switch to Tape mode, the lines connecting to it highlight but the coil remains open. The fifth bit in diagnostic parameter 127 does change to a one when the switch is activated but I still cannot dripfeed. There is no dnc option under MDI or Auto selections. Do I have to close the relay at G127.5 and if so how is it done?
Sure would appreciate some help.
Thanks