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Appendix A
Network Installation
227
4. Refer to the CS1-series CS1G/H-CPU
jj
-E Programmable Controllers
Operation Manual (W339) for information on wiring inside distribution
boxes.
4. Distribution box
Ethernet Unit
CS1-series PC
Transceiver cable
Noise
3. Metal duct
Wooden board
Transceiver
2. Metal box for transceiver
1. Metal duct
Noise
2. Metal box for transceiver
Note 1. Cover all metal portions of cables with insulating tape to be sure they do not come into contact with the
metal ducts or boxes.
2. Securely ground all distribution boxes and metal boxes around transceivers. The lower the ground re-
sistance, the more effective the shields will be.
Multipoint Transceivers
Multipoint transceivers can be used to eliminate the need for coaxial cable (which is easily affected by noise) and
replace it with transceiver cable as shown in the following diagram. This will increase overall system resistance to
noise.
Note Up to two sets of multipoint transceivers can be used in a network. The length of the network will be limited to
the maximum length of transceiver cable.
Node
Multipoint Transceiver
Node
Node
Node
Node
Multipoint Transceiver
Transceiver cable