4-6
Laying the Ethernet Network
4-6-1
Installation Precautions
Basic precautions for the installation of Ethernet networks are provided below.
Precautions when Installing a Network
• When you install an Ethernet network, take sufficient safety precautions and follow the standards
and specifications. (Refer to "JIS X 5252" or to electrical facility technical references.)
An expert who is well trained in safety measures, standards, and specifications should be asked to
perform the installation.
• Do not install Ethernet network equipment near sources of noise.
If the network must be installed in an area subject to noise, take steps to address the noise, such as
placing equipment in metal cases.
Precautions when Installing Communications Cables
• Check the following items on the communications cables that are used in the network.
a) Are there any breaks?
b) Are there any shorts?
c) Are there any connector problems?
• When you connect the cable to the communications connectors on devices, firmly insert the commu-
nications cable connector until it locks in place.
• Do not lay the communications cables together with high-voltage lines.
• Do not lay the communications cable near devices that generate noise.
• Do not lay the communications cables in locations subject to high temperatures or high humidity.
• Do not lay the communications cables in locations subject to excessive dirt and dust or to oil mist or
other contaminants.
• There are limitations on the bending radius of communications cables. Check the specifications of
the communications cable for the bending radius.
4-6-2
Installing Ethernet Networks
The following products are recommended as devices to be used to configure an Ethernet network.
Ethernet Switches
Manufacturer Model Description
OMRON W4S1-03B Packet priority control (QoS): EtherNet/IP control data priority
Failure detection: Broadcast storm, LSI error detection, 100Basae-TX/
10Base-T
, Auto negotiation
Number of ports:
three for the W4S1-03B, or five each for the W4S1-05B and W4S1-05C
Failure detection output (W4S1-05C only)
W4S1-05B
W4S1-05C
4 Mounting and Wiring
4-17
CK3E-series Programmable Multi-Axis Controller User’s Manual Hardware (I610)
4-6 Laying the Ethernet Network
4
4-6-1 Installation Precautions
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