Appendix 4: interface, Sc-3000 – Tweco SC-3000 User Manual
Page 75

SC-3000
Manual 0-5100
A-5
APPENDIX
APPENDIX 4: INTERFACE
The Interface is the central signal distribution point for the SC-3000™ System.
Art # A-08945
Features
• Power supply 24 VDC / 0.5A
• Connector to LINEAR DRIVE
• Connector to OPERATOR TERMINAL
• Interface for CUTBUS® used for serial communication to CNC
• Discrete Input / Output terminals 24 VDC to connect SC-3000™ to CNC-machine control system 2x17-remov-
able screw terminal strips. Special coding avoid mix-up.
• Integrated isolation amplifier for ARC voltage 0-10 VDC und 0-300 VDC from the plasma source
• 3 rotating switches to set
- Device address of Cutbus
- Baud rate for Cutbus
- optional range for ARC voltage
• LED’s for Ready, Communication and Fault
• Assembly on top hat rail for installation in a control cabinet
Technical Specifications
Input Voltage 24 VDC ±10%, with integrated reverse voltage protection
Input Plasma-ARC Voltage
Switch
setting
Input Voltage
range
Represents ARC
Voltage
Input resistance
0
0 to -300 VDC
0-300 VDC
ca. 3 MOhm
1
0 to +10 VDC
0-300 VDC
ca. 100 KOhm
2
0 to +6 VDC
0-300 VDC
ca. 100 KOhm
3
0 to +10V
0-250VDC
ca. 100 KOhm
Digital input of control signals
24 VDC ±10% / Resistor Ri
≈ 7 kOhm
Digital output of control signals
20 VDC / Resistor Ri
≈ 150 Ohm / short circuit proof