What connects to the ESTOP chain  (from Kurt Kvistberg, 24-Feb-05)


There are 3 modes selectable by a mode switch on the side of the Table console.


State 1, switch in table mode:


Table computer E-stop (indicated by software)
Table Watchdog timer (no indication is available)
Table operator E-stop button (indicated by digital input)
Table cable disconnect E-stop (indicated by digital input)
Mezzanine E-stop button (indicated by digital input)
Pit E-stop button (indicated by digital input)
Blast operator E-stop button (indicated by digital input)
Blast room E-stop button (indicated by digital input)
HPU #1 E-stop button (indicated by digital input)
HPU #2 E-stop button (indicated by digital input)


State 2, switch in blast mode:


Table computer E-stop (indicated by software)
Table Watchdog timer (no indication is available)
Table operator E-stop button (indicated by digital input)
Table cable disconnect E-stop (indicated by digital input)
Mezzanine E-stop buttons (indicated by digital input)
Pit E-stop buttons (indicated by digital input)
Blast operator E-stop button (indicated by digital input)
Blast room E-stop buttons (indicated by digital input)
HPU #1 E-stop button (indicated by digital input)
HPU #2 E-stop button (indicated by digital input)
Blast computer E-stop (indicated by software)
Blast Watchdog timer (no indication is available)


State 3, switch in OFF mode:


Safe state, E-stop chain does not exist
