Yes, this is a safety to keep your hands out of clamp. Right now you've got to press both buttons within a 0.1second window in order to start a clamp. However, once the clamp starts you can release the buttons, which is bad. I want to use a timer to force the operator to keep the buttons engaged. If a button gets released then the clamp should reset and open.
I want to do this without adding new hardware for example a new prox to show the clamp closed.