Omron Sysmac NJ-series User Manual page 63

Recommended Clamp Core and Attachment Method
If you connect a shielded cable with only the Ethernet switch side connected to connector hoods to an
NX-series CPU Unit, you must attach a clamp core to the EtherNet/IP port side. The recommended
clamp core and attachment method are given below.
Recommended clamp core

Manufacturer
NEC TOKIN
ESD-SR-250 dimensions
13 dia. max.
31.5
 Recommended attachment method
(1) Attaching a clamp core to a communications cable
(2) Attaching a communications cable
Built-in
EtherNet/IP
port on
NX-series
Controller
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Product
Clamp core
38.0
Make two loops with the cable
as shown.
Attach close to the cable
connection as shown.
2 Installing Ethernet Networks
Model
ESD-SR-250
2
2-9