Ground connection to cooling element – BECKHOFF CX1020 User Manual
Page 76
Assembly and connecting
74
Embedded PC
Ground connection to cooling element
The cooling element is make of aluminum. Though for proper operating it must be connected to ground. This
connection is realized by a bolt and a screw at the bottom of the cooling element. The set of bolt and screw is
assembled in the factory. To For installation an additional lug and the wire are needed. The ground connection set
does not extend the space the system needs. If the device is installed in correct installing position (30 mm 30 mm
both above and below the housing) no extra space is needed. The dimensions with the ground connection set are as
follows:
The ground connection is realized via a lug of size M4. The following picture shows the order of the grommets and
the lug.
The lug is placed between the middle grommets. First the screw is fixed by turns with the hand. Then a wrench of
size S7 can be used to fix the screw. To avoid damage to the unit, its a good idea to make use of a torque wrench.
Warning
The torque of the screw must not exceed 2,4 Nm! Otherwise the unit might get damaged.
The ground wire must be connected to the ground.