Omron NJ501-1 Series User Manual page 125

4 Installation and Wiring
4
Install a DIN Track End Plate on each end of the Controller. To install an End Plate, hook the bot-
tom on the bottom of the track, rotate the Plate to hook the top of the Plate on the top of the
track, and then tighten the screw to lock the Plate in place.
(2)
(1)
End Plates
4
Additional Information
To remove Units, perform the steps above in reverse order.
Precautions for Safe Use
Always turn OFF the power supply to the Controller before attempting any of the following.
• Mounting or removing I/O Units or CPU Units
• Assembling the Units.
• Setting DIP switches or rotary switches.
• Connecting cables or wiring the system.
• Connecting or disconnecting the connectors.
The Power Supply Unit continues to supply power to the Controller for up to several seconds
after the power supply is turned OFF. The PWR indicator remains lit as long as power is sup-
plied. Make sure that the PWR indicator is not lit before you perform any of the above operations.
NJ-series CPU Unit Hardware User's Manual (W500) 4-17