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Attach close to the cable
connection as shown.
Built-in
EtherNet/IP
port on
NX-series
Controller
2-2-4
Precautions When Installing and Connecting Ethernet Switches
Precautions When Installing Ethernet Switches
• Do not ground the Ethernet switch in the same location as a drive-system component, such as an
inverter.
• Always use a dedicated power supply for the Ethernet switch. Do not use the same power supply for
other equipment, such as an I/O power supply, motor power supply, or control power supply.
• Before installation, check the Ethernet switch's environmental resistance specifications, and use an
Ethernet switch that is appropriate for the ambient conditions. Contact the Ethernet switch manufac-
turer for details on Ethernet switch's environmental resistance specifications.
Ethernet Switch Connection Methods
• Connect Ethernet switches with twisted-pair cables, as follows: Connect an MDI port to an MDI-X
port with a straight cable. Connect two MDI ports or two MDI-X ports with a cross cable.
Note
It is very difficult to distinguish cross cables and straight cables by appearance. Incorrect cables will
cause communications to fail. We recommend cascade connections with straight cables wherever possi-
ble.
MDI-X port (cross)
MDI ports
Ethernet switch
Ethernet
switch
Ethernet
switch
Ethernet
switch
: Straight cable
: Cross cable
• Some Ethernet switches can automatically distinguish between MDI and MDI-X. When this kind of
Ethernet switch is used, straight cable can be used between Ethernet switches.
2 Installing Ethernet Networks
2-11
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
2-2
Network Installation
2
2-2-4
Precautions When Installing and Connecting Ethernet Switches
Содержание Sysmac NX1P2-10 1 Series
Страница 8: ...Manual Structure 6 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 34: ...Revision History 32 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 174: ...6 Testing Communications 6 4 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 354: ...8 CIP Message Communications 8 92 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 388: ...9 Socket Service 9 34 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 394: ...10 Modbus TCP Master Function 10 6 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 430: ...12 FTP Client 12 14 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 569: ...I Index I 1 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506 I...
Страница 576: ...Index I 8 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Страница 577: ......