i have a powermate model D.we were face problem of 911 sram parity alarm (4N+1).
So, we delete all the thing. n dicided to put all parameter once again . so we did this. after all this we found there is no ladder os present in system. we have same m/c having same plc ladder, but problem is how to take that backup & put in another m/c.
pls help me..