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3 Installation and Wiring
3-2
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
3-1
Installing Serial Communications
Units
•
Set a unique Unit number for each CPU Bus Unit to be installed in the CPU Rack or Expansion Rack.
Set the unit number switch at the top of the front panel to between 0 and F. Turn OFF the Controller
before setting the unit number.
•
A maximum of 10 Serial Communications Units can be conntected to a CPU Rack or Expansion
Rack. In total 16 Units can be mounted to a CPU Unit as long as no other CPU Bus Unit is mounted.
Use the following steps to mount or remove Serial Communications Units.
1
Align the connectors properly and then press in on the Unit to connect it.
2
Slide the sliders on the top and bottom of the Unit until they lock the Units together.
3-1-1
System Configuration Precautions
3-1-2
Serial Communications Unit Installation Procedure
Hook
Connector
Hook holes
Slider
Move the sliders toward the back until
they lock into place.
Lock
Release