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Caution
(1) The earthling should be the dedicated grounding point. It should be a functional ground with less
than 100 resistance.
(2) The cross section of the grounding wire should be greater than 2mm
2
.
The ground point should be near this controller to make the wire length shorter.
(3) Installation location
Please install this controller at an appropriate place where the surrounding temperature will not
exceed 40
o
C.
As shown in the diagrams below, the controller should be installed on a vertical wall with 30 / 50mm or
larger spaces above and below it. In addition, there should be 60mm or larger space between the
controller and the facing cover (the housing) so that it is possible to connect/disconnect the controller.
The controllers should be positioned appropriately with enough spaces to keep it within the above
mentioned operating temperature range.
Place supplys of vibration like a large-size electromagnetic contactor, no-fuse current chopper, etc. to be
mounted on a different panel or away from the controller.
Caution
Install the controller on a flat surface. Excessive pressure applied to the housing will damage the
controller.
0mm or more : Body size 16 or less * Only the LEH series apply to all size
10mm or more: Body size 25 or more
*Except for LEH Series
30mm or more
60mm or more
30mm or more (screw mount type)
50mm or more (DIN rail mount type)
Controller
Controller
Not Recommended grounding
Controller
Other device
Recommended Functional grounding
Other device
Controller
Cover（the housing）
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