YOKOGAWA CENTUM CS, Technical Information

Page: 63 / 253

2. Transportation, Storage and Installation
2-19
TI 33J01J10-01EN
l
Isolation from Rack
Isolate the rack mountable devices from the rack by attaching insulating bushings. Fasten a
pair of insulating bushings together to each of the screw holes on the plate or the bracket on the
devices to prevent the devices from touching the rack. And then screw the devices to the rack.
After screwing the devices to the rack, confirm that the devices is electrically isolated. insulating
bushings are supplied with the rack mountable devices.
CAUTION
When you install the ‘devices with insulating bushings attached’ on a rack or an instrument panel,
do not keep the devices hung on loose screws in an unstable status. Too much force may apply
to the insulating bushings and cause damaged or broken insulating bushings.
l
Installation Procedure
1. Fasten a pair of insulating bushings together to each of the screw holes on the plate or the
bracket on the device. The tapering end of the insulating bushings must come to the front
side where a screw enters.
2. Using eight M5 screws to fix the device onto the rack or the panel.
F020412.ai
M5 screws (8 pieces)
M5 screws
Attach insulating to both
sides of the plate.

How to install insulating bushings
Rack
Rack
Insulating
bushing
(with a tapering)
Insulating
bushing
Plate
(front)
Insulating bushings (8 pieces)
Plate
Base unit
Using functional grounding
terminal to connect the
base unit to ground.
Make the grounding cable
to pass through the tray
and pull it down along the
right side of the racks.
Figure Example of Mounting FCU on a Rack
Apr. 21, 2017-00