Figure 41 - Connect EtherCAT cables to the plasma power supply (continued)
1
EtherCAT in from the CNC.
1
2
EtherCAT out to the next plasma power supply, if necessary.
1
3A Ethernet LAN port: For future applications. Do not use.
3B Expansion PCB connectors: Necessary for redundant remote on-off feature, alternate 24 VDC power input, and
analog estimated arc voltage output.
1 Refer to the label on the rear of your plasma power supply.
EtherCAT cable specifications
Use this table to identify the specification requirements for EtherCAT interface cables.
If you supply your own cables, choose EtherCAT cables that follow the Beckhoff specification.
Table 23 - EtherCAT cable specifications
Cable element Specification
Type Cat5e, 4-wire, 2-pair, double-shielded (overall foil and braid shield)
Wire • Construction: Stranded tinned wire
• Diameter: 0.75 mm (7 X 0.25 mm), 22 AWG
• Insulation: Polyethylene, 1.5 mm (0.06 inch) diameter
Core • Construction: Filler as central element
• Layer 1: 4-wire, 2-pair in star-quad configuration
• Sequence of colors: White, yellow, blue, orange
• Layer 2: Plastic tape overlapped
• Inner jacket: Thermoplastic copolymer, 3.9 mm (0.04 inch) diameter
• Aluminum laminated foil overlapped
• Shield: Braided, tinned copper wires, 0.13 mm (0.005 inch) diameter, coverage
approximately 85%, 4.7 mm (0.19 inch) diameter
Jacket • Material: Polyurethane
• Wall thickness: 0.9 mm (0.04 inch)
• Outer diameter: 6.5 mm (0.26 inch) ± 0.2 mm (0.008 inch)
Maximum length for EtherCAT cables 75 m (246 ft)
Requirements for serial RS-422
This information prepares you to connect the plasma power supply to the CNC with serial RS-422 cables.
■
For an example of a system diagram, refer to Serial RS-422 and discrete multi-drop (multi-system)
interface (Sheet 20 of 25) on page 513.
Connect for Communication
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811530 Instruction Manual XPR460
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