6 Installation
6 - 8
NX-series EtherCAT Coupler Unit User’s Manual (W519)
An EtherCAT Slave Terminal can be installed in any of the following six orientations.
(A) is the upright installation direction and (B) to (F) are installation directions other than upright.
However, there are restrictions on the installation orientation of the EtherCAT Coupler Unit due to the
ambient operating temperature and the NX Unit power supply capacity.
There are also installation orientation restrictions on the DIN Track of the EtherCAT Coupler Unit and
restrictions to specifications that can result from the NX Units that are used.
For restrictions on the EtherCAT Coupler Unit, refer to 3-1-2 EtherCAT Coupler Unit Specifications on
page 3-2.
Refer to the user’s manual for the NX Units that you will use for specific NX Unit restrictions.
For installation orientations (C) and (D) in the above figure, support the cables, e.g., with a duct,
so that the End Plate on the bottom is not subjected to the weight of the cables. The weight of
the cables may cause the bottom End Plate to slide downward so that the Slave Terminal is no
longer secured to the DIN Track, which may result in malfunctions.
6-1-3 Installation Orientation
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