HF070AEN_v0403_03 Atex_IECEx_CSA_FM
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4.4.
INSTALLING THE HARDWARE
4.4.1. INTRODUCTION
Electro static discharge does inflict irreparable damage to electronics! Before installing
or opening the unit, the installer has to discharge himself by touching a well-grounded
object.
This unit must be installed in accordance with the EMC guidelines (Electro Magnetic
Compatibility).
Do ground the aluminum casing properly as indicated, if the F070-A has been supplied
with the 115-230V AC power-supply type PM. The green / yellow wire between the back-
casing and removable terminal-block may never be removed.
Fig. 7: Grounding aluminum enclosure with type PM 115-230V AC.
FOR INSTALLATION, PAY EMPHATIC ATTENTION TO:
Separate cable glands with effective IP67 (NEMA4X) seals for all wires.
Unused cable entries: ensure that you fit IP67 (NEMA4X) plugs to maintain rating.
A reliable ground connection for both the sensor, and if applicable, for the metal casing. (above)
An effective screened cable for the input signal, and grounding of it’s screen to the “
┴
“ terminal
or at the sensor itself, whichever is appropriate to the application.
