Hypertherm HTA Rev 6.00 Install Guide - Manual (Page 142)

130 Installation & Setup Guide
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
RS422 RX
RS422 TX
Cut Sense 3, 4
Rdy to Fire 3, 4
Raise 1
Lower 1
Raise 2
Lower 2
Interlock
Transfer
Ready to Fire
Plasma Sync
Corner Hold
System Start
RS422 TX
RS422 RX
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