Hypertherm HD4070 Rev.8 - Manual (Page 273)

APPENDIX E – COMMAND THC AND CNC SOFTWARE – SUPPLEMENTAL INFORMATION
4
HD4070 Instruction Manual e-9
Multiple Machine Configuration
Up to 8 systems can be linked in series.
Each power supply is given an ID number by setting the dip switches as shown on the next page.
The series must be terminated by setting the number 4 switch on the last machine in the series to the ON position.
CNC Controler
HD4070
Power Supplies
ID = 0
Determined by DIP switch
ID = 2
Determined by DIP switch
ID = 1
Determined by DIP switch
RS422 TX
RS422 RX
RS422 TX
RS422 RX
RS422 TX
RS422 RX
RS422 RX
RS422 TX
RS-422 Multidrop Interface to Multiple HD4070 Systems
Termination resistor
by DIP switch