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7 - 5
7 Wiring
NX-series PROFINET Coupler Unit User’s Manual (W623)
7-1 PROFINET Netw
ork W
iring
7
7-1-5 Connecting Comm
unications Cables
Precautions for Correct Use
• The cable between any two nodes (L1, L2 ... Ln) must be 100 m or less.
• Do not exceed the ranges that are given in the specifications for the communications dis-
tance and number of connected Units.
• Firmly connect the communications cable connector until it clicks into place.
• When you install the communications cables, observe the cable specifications (e.g., bending
radius) of the cable manufacturer.
• Do not disconnect the communications cables from the Profinet IO Devices during operation.
The outputs from the PROFINET IO Controller may become unstable. However, for the
PROFINET IO Controller, it is OK to disconnect the communications cable from a Profinet IO
Device Terminal that has been disconnected from communications in the software.
PROFINET IO Controller Unit
PROFINET
IO Devices
Communications
cable
Last PROFINET
IO Device
L1
L2
Ln
Summary of Contents for PROFINET NX-PNC202
Page 9: ...7 NX series PROFINET Coupler Unit User s Manual W623 CONTENTS...
Page 12: ...Manual Structure 10 NX series PROFINET Coupler Unit User s Manual W623...
Page 32: ...Revision History 30 NX series PROFINET Coupler Unit User s Manual W623...
Page 34: ...Sections in this Manual 32 NX series PROFINET Coupler Unit User s Manual W623...
Page 126: ...6 Installation 6 32 NX series PROFINET Coupler Unit User s Manual W623...
Page 192: ...10 I O Refreshing 10 6 NX series PROFINET Coupler Unit User s Manual W623...
Page 224: ...11 PROFINET Coupler Unit Functions 11 32 NX series PROFINET Coupler Unit User s Manual W623...
Page 260: ...12 Troubleshooting 12 36 NX series PROFINET Coupler Unit User s Manual W623...
Page 268: ...13 Maintenance and Inspection 13 8 NX series PROFINET Coupler Unit User s Manual W623...
Page 274: ...Appendices A 6 NX series PROFINET Coupler Unit User s Manual W623...
Page 275: ...I 1 I I NX series PROFINET Coupler Unit User s Manual W623 Index...
Page 280: ...I 6 NX series PROFINET Coupler Unit User s Manual W623 Index...
Page 281: ......