M5 screws
Attach insulation to both
sides of the plate.
How to install insulating bushings
Rack
Insulating
bushing
(with a tapering)
Insulating
bushing
Plate
(front)
Input/output module
Power supply
module
Processor module
Cable tray
Grounding terminal
Base unit
Rack or instrument panel
Insulating bushing (8 pieces)
Plate
M5 bolts (8 pieces)
Figure 2.1-2 Mounting Safety Control Unit or Safety Node Unit on a Rack
• There is no power switch on the safety control unit, the safety node unit, and the unit for
optical bus repeater module. Provide a separate switch or breaker for turning on/off the
power.
• If multiple node units exist, all the units should be grounded by connecting to the earth
terminal separately.
<2.1 Installing Rack Mountable Devices> 2-4
IM 32Q06C10-31E 4th Edition : Jan.30,2015-00
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