5.3.5 ACMains Power/Ground Connection
WARNING: Electrical hazard - AVERTISSEMENT: risque électrique
High voltage may be present, which can result in death or serious injury to
personnel, or damage to equipment.
Ø Follow these safety instructions.
l It is necessary to properly ground the DM2020 system to avoid risk of injury or death to
personnel.
l In the case of AC power supply circuits that are ungrounded or asymmetrically grounded, you
must insert an isolation transformer.
5.3.5.1 Types of Earthing (Grounding) Systems
TN-C system
The TN-C earthing system, shown in the following figure, is common to many industrial facilities and
has the following characteristics:
a.
Direct connection to ground (ground point)
b.
The neutral and grounding of the whole system are wired in a single connector, i.e., the PEN
c.
Connection to ground of all parts exposed to contact and all shields
TN-S system
The TN-S earthing system, shown in the following figure, is the most widespread in Europe and has the
following characteristics:
a.
Direct connection to ground (ground point)
b.
NA
c.
Connection to the ground of all parts exposed to contact and all shields
PN: L-MAM2-E-201
Moog Casella DM2020 Installation and Startup Guide
5.3.5 ACMains Power/Ground Connection
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