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6 Installation
NX-series PROFINET Coupler Unit User’s Manual (W623)
6-2 Control Panel Installation
6
6-2-5 Electrical Environment
• Keep the wiring between the transformer and the Profinet IO Device Terminal as short as possible,
twist the wires well, and keep the wiring separate from high-voltage and power lines.
Supplying IO Power from the NX Bus
Supplying IO Power from External Sources
Observe the following points when wiring external IO signal lines.
• To absorb reverse electromotive force when an inductive load is connected to an output signal, con-
nect a surge suppressor near the inductive load in an AC circuit, or connect a diode near the induc-
tive load in a DC circuit.
Wiring External IO Signal Lines
Unit power supply for PROFINET IO Device
I/O power supply for PROFINET IO Device
Power Supply System Diagram
Power circuits
Noise
filter
Power supply for general operations circuits
Outlet (for peripheral devices)
Unit power supply for PROFINET IO Device
Power supply for output circuits of PROFINET IO Device
Power supply for input circuits of PROFINET IO Device
Power Supply System Diagram
Power circuits
Noise
filter
Power supply for general operations circuits
Outlet (for peripheral devices)
Input Signal Noise Countermeasures
DC
Input
Unit
Inductive
load
Diode
Connect a diode in a DC circuit.
Output Signal Noise Countermeasures
Output
Unit
Output
Unit
Connect a diode
in a DC circuit.
Connect a surge
suppressor in an AC circuit.
Inductive
load
Diode
Inductive
load
Surge
suppressor
Содержание PROFINET NX-PNC202
Страница 9: ...7 NX series PROFINET Coupler Unit User s Manual W623 CONTENTS...
Страница 12: ...Manual Structure 10 NX series PROFINET Coupler Unit User s Manual W623...
Страница 32: ...Revision History 30 NX series PROFINET Coupler Unit User s Manual W623...
Страница 34: ...Sections in this Manual 32 NX series PROFINET Coupler Unit User s Manual W623...
Страница 126: ...6 Installation 6 32 NX series PROFINET Coupler Unit User s Manual W623...
Страница 192: ...10 I O Refreshing 10 6 NX series PROFINET Coupler Unit User s Manual W623...
Страница 224: ...11 PROFINET Coupler Unit Functions 11 32 NX series PROFINET Coupler Unit User s Manual W623...
Страница 260: ...12 Troubleshooting 12 36 NX series PROFINET Coupler Unit User s Manual W623...
Страница 268: ...13 Maintenance and Inspection 13 8 NX series PROFINET Coupler Unit User s Manual W623...
Страница 274: ...Appendices A 6 NX series PROFINET Coupler Unit User s Manual W623...
Страница 275: ...I 1 I I NX series PROFINET Coupler Unit User s Manual W623 Index...
Страница 280: ...I 6 NX series PROFINET Coupler Unit User s Manual W623 Index...
Страница 281: ......