Day 53

Morning
Getting EBW 4 welding. When Tony went up to the high voltage cage, he found that a shunt had blown. Looks like 5A went through a 2A rated shunt. When the shunt went, so did the DC trip board. That explains what the problem was late last week. Jim fixed a few things up, then we ran. Rich and an operator ran the welder most of the morning. Tim stopped by to work on the displays and controllers. Tony was trying to do about three things at once. We got trip settings adjusted and some things updated, but found a few issues with the main beam.

Afternoon
The main beam arcs hard when it starts up because the trigger board and contactor come on at the same time. The beam also needs to trip at the end of the electrode while it turns around. Tony wants to put a relay in that connects to the PLC so he can program those things in. With meetings taking over, it was difficult to get back out there. Tim was working out here for a while, but he returned to his office after a time. I used the time to get more done on my welder project. I'm only a little ways off from writing the program for it, but I need to have a more formal review with Tony before I do that.