Pepperl+Fuchs EXTA2 Series Manual page 17

EXTA2-* Keyboard
Installation and Commissioning
Equipotential Bonding
Danger!
Explosion Hazard
Risk of fatal injury and severe property damage.
The housing must always be connected to the PE. There are 2 possibilities:
Connection via cable shielding of the connecting cable.
Built into a metal housing that is connected to the PE.
1. The shielding of the keyboard cable must be connected in the cable gland of the PC/display
(VisuNet) (refer to VisuNet manual). Before doing this, open the cable clip (1) and remove
the cable protective tube (2).
End of the Keyboard Cable (Attached to the Keyboard)
(1) cable clip
■
(2) cable protective tube
■
2. Install the keyboard in a metal housing that is connected to PE.
17