FW-E112-P-MAN-EN_v0101_08
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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).
The display inside the enclosure can be turned 90
°
so the enclosure can be mounted in any
position desired.
Aluminum / Stainless Steel enclosures
When installed in an aluminum / stainless steel enclosure and a potentially explosive
atmosphere requiring apparatus of equipment protection level Gb and Db, the unit must be
installed such that, even in the event of rare incidents, an ignition source due to impact or
friction sparks between the enclosure and aluminum/steel is excluded.
Do ground the aluminum / stainless steel enclosure properly as indicated, if the environment
in which the E112-P has been installed requires this (i.e. ship, truck). The green / yellow wire
between the casing and terminal-block may never be removed.
Fig. 9: Grounding enclosure
Earth terminal:
- Nominal cross section 4 mm²
- Possible conductors 4 mm²
stranded, 6 mm² single wire
Maximum torque = 4Nm
