B614
15
732998 - Rev.A_DRAFT
Tr
ansla
tion of the original instruc
tions
ENGLISH
4.2 ELECTRICAL SYSTEM
F
Always shut off the power supply before performing
any work. If the disconnect switch is not in view,
apply a warning sign stating “WARNING - Maintenance
in Progress”.
!
The electrical system must comply with applicable
legislation in the country of installation.
Use components and materials with CE marking which
are compliant with the Low Voltage Directive 2014/35/EU
and EMC Directive 2014/30/EU.
The power supply line for the automation must be fitted
with a multi-pole circuit breaker, with a suitable tripping
threshold, a contact opening distance of at least 3 mm
and a breaking capacity that complies with current
regulations.
The power supply for the automation must be fitted with
a 30 mA differential switch.
The metal parts of the structure must be earthed.
Check that the protective earthing system complies with
applicable regulations in the country of installation.
The electrical cables of the automation system must be
of a size and insulation class that is compliant with cur-
rent legislation and laid in appropriate rigid or flexible
conduits, either above or below ground.
Use separate conduits for the power supply and the 12-24
V control devices / accessories cables.
In the case of a Master-Slave configuration, a cable
conduit has to be installed for the cables that connect
the two electronic boards.
Check buried cable plans to ensure that there are no other
electrical cables in proximity to the planned digging/
drilling locations to prevent the risk of electrocution.
Check that there are no pipes in the vicinity as well.
The conduit fittings and the cable glands must prevent
the entry of moisture, insects and small animals.
Protect extension connections using junction boxes with
an IP 67 protection rating or higher.
The overall length of the BUS cables must not exceed
100 m.
The barrier must always be visible to prevent it from being
hit accidentally; an adequate lighting system is required.
It is recommended to install a flashing light in a visible
position to indicate when it is moving.
For the creation of detection loops, refer to the relative
instructions.
The control accessories must be positioned in areas that
are always accessible and not dangerous for the user. It is
recommended to position the control accessories within
the field of view of the automation. This is mandatory
in the case of hold-to-run controls.
If an emergency stop button has been installed, it must
be EN13850 compliant.
Comply with the following heights from the ground:
- control accessories = minimum 150 cm
- emergency buttons = maximum 120 cm
If the manual controls are intended to be used by
disabled or infirm persons, highlight them with suitable
pictograms and make sure that these users are able to
access them.