
Operating Instructions PA-xxP
961-00035 rev11
11/42
PA-20P, PA-40P and PA-60P
MWSBus PORT
– NOT USED.
ISOLATED RS232 PORT
– PC CONNECTION PORT FOR UP & DOWN LOADING OF
PARAMETERS, & DATA LOGGING.
USB PORT
– REPROGRAMMING OF HMI.
POSITIVE/NEGATIVE OUTPUTS
– OUTPUT FOR THE POWER CABLES TO THE
TORCHES/WORKPIECE.
EXTERNAL INPUT
– FOR REMOTE PROGRAM SELECTION.
TRIGGER & FAULTS i/o PORT
– EXTERNAL TRIGGER & FAULT SIGNALS PORT.
Mains Cable
Cooling Fan Outlet
Keep clear
Positive Output
(workpiece)
USB
Port
Negative
Connections
To Welding
Torches.
Ensure any
unused outputs
have the
supplied
protection
covers fitted.
Isolated RS232
Port
Trigger/faults
i/o
Voltage monitor for AVM
AUX drive fuse 2A (T)
External Input /
Program select
Optional Gas
inlet and outlet
connections.
Chassis Earthing Point