Appendices
A-42
CP1E CPU Unit Hardware User’s Manual(W479)
4
Return the heat-shrinking tube to the soldered portion, then heat the tube to shrink it in place.
z Assembling Connector Hood
Assemble the connector hood as shown below.
Use the following wiring methods for RS-422A/485 to maintain transmission quality.
z CP1W-CIF11/12 RS-422A/485 Wiring
1
Always use shielded twisted-pair cables as communications cables.
• Recommended RS-422A/485 Cables
2
Connect the shield of the communications cable to the FG terminal on the RS-422A/485 Option
Board.
At the same time, ground the ground terminal (GR) of the CPU Unit to 100 Ω or less.
z Built-in RS-485 Wiring (CP1E-NS1D-)
Applicable Cables
Solid wire or ferrules can be used.
• Recommended RS-485 Cables
• Recommended ferrules
Note Do not connect bare stranded wires directly to terminals.
A-3-2 Recommended RS-422A/485 Wiring
Model numbers Manufacturer
CO-HC-ESV-3P×7/0.2 Hirakawa Hewtech Corp.
Model numbers Manufacturer
CO-HC-ESV-3P×7/0.2 Hirakawa Hewtech Corp.
Manufacturer Model numbers Applicable wire
Phoenix Contact AI-0.25-12 AWG24
Heat-shrinking tube
End connected to FG
Aluminum foil tape
Grounding plate
End not connected to FG
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