Bandini Industrie GiBiDi BARR500 Instrucciones De Instalación página 41

BARR500
ELECTRICAL LIMIT SWITCH ADJUSTMENT
The electrical limit switches must always be adjusted with the operator disconnected from the mains.
Remove the front cover to access the limit switch unit composed of:
A fixed stainless steel disc 1 (29) that must not be moved.
•
Two black plastic magnet holders 2 (29) which can be moved by loosening the screws 3 (29).
•
• The two magnets that control the opening movement are fitted on one holder and the two that control the closing
movement on the other.
• Four magnets, two to control the opening movement and two to control the closing movement. The magnets are
prefitted on the holders.
The magnets act on the Hall-effect sensor prefitted on the operator 4 ( 29).
•
Two magnets prefitted on each individual holder 2 (29) are oriented in the same direction as polarization. To
distinguish the direction of polarization, the magnet that controls closing has a visible red face. One holder 2 ( 29) will
thus have two uncoloured magnets and one holder 2 (29) two coloured magnets.
Using appropriately set up Gi.Bi.Di. control units, the first magnet that passes across the Hall-effect sensor
determines the start and the second magnet the end of the deceleration motion (30). Refer to the control unit
instructions.
The holder has various holes to house the magnet; the distance between one hole and the next is equivalent to 5° of
the boom movement. A maximum deceleration angle of 25° during both opening and closing can be obtained ( 30).
MANUAL MANOEUVRE (RELEASE)
Before, during and until subsequent locking, the power to the system must be cut.
1 - Carry out the manoeuvre with the power cut.
2 - Access the Allen wrench provided by removing the panel 1 (31).
To remove the panel use a screwdriver of adequate size and insert it in the slot in the panel tilting it to the right
until releasing the catch (32).
3 - Remove the panel, take the Allen wrench 1 (33) out of its seat and use it to turn the release rod 2 (33).
The direction of rotation is indifferent; after turning about 180° you will hear a click indicating that the operator
has been released. The operator remains unlocked in this condition until you act on it again with the Allen
wrench.
WARNING: when the operator is released, the boom may rise on its own up to 45°.
You can now move the boom.
To relock the operator, turn the release rod further.
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