Changes made for Pathfinder 5223 and 5225 controllers.

Pathfinder communicates with the 5223 and 5225 controllers through a communication protocol. One of the ways the controller checks a command is by checking how much information it got and if it gets more than what the command was supposed to send it won't proceed. When Pathfinder transitioned from V2 to V4 the communication protocol changed which meant some commands would be sending more or less information in a different way. The bug that came from this is that the power off state command was checking the wrong packet length so the controller would not reset itself when Pathfinder told it to. This problem led to the controller instead raising the clamp when the e-stop input was taken away on a power down. This ended up leading to the clamp having to be referenced on a power up because it was still moving up when the machine lost complete power.

The fix to this bug was to make sure the correct packet length is looked at for the power down command.