Hypertherm Phoenix 8.0 - Manual (Page 508)

Automated Plasma Interface
501
RS-422 Multidrop Interface to Multiple power supplies
CNC Controller
Interlock
Cut Sense 1,2
Rdy to Fire 1, 2
Hold Ignition
Reduce Current
Plasma Start 1, 2
RS422 RX
RS422 TX
Cut Sense 3,
Rdy to Fire 3,
Raise 1
Lower 1
Raise 2
Lower 2
HD4070
Interlock
Transfer
Ready to Fire
Plasma Sync
Corner Hold
System Start
RS422 TX
RS422 RX
HD4070
Interlock
Transfer
Ready to Fire
Plasma Sync
Corner Hold
System Start
RS422 TX
RS422 RX
Termination
Resistor by
DIP switch
ID = 0
Determined
by DIP
switch
Supply #1
Supply #2
Torch #1
Torch #2
Torch #1
Torch #2
Note:
Active Torch
determined by
selected
process
ID = 1
Determined
by DIP
switch