Rev: 11.21.2014
Page 9
Euro Loft Bed Lift by Project 2000 Owner's Manual
Mechanical Encoder
Circuit Board Connection
The circuit board is a controlling device equipped with:
•
DC 12 V, 25A maximum
Working contact
•
DC 12 V, 25 A maximum motor output with polarity control
Fig. 2
Silkscreen
Printing
Logic ID
Range
Clamps
Description
CN1
GND
GND
CN1-8
Negative power post
MOT2
DC 0-12 V
CN1-7
Motor (Grey)
Not used
CN1-6
Not used
F.C. (C-5)
CN1-5
End-of-stroke (C-5) (Orange)
+12
DC 12 V
CN1-4
Positive power post
MOT1
DC 0-12 V
CN1-3
Motor (Brown)
Not used
CN1-2
Not used
F.C. (C-4)
CN1-1
End-of-stroke signal (C-4) (Yellow)
Power
DC Current Voltage (nominal)
DC 12 V
Tolerance
-10% / +20% *
DC Current Voltage (Minimum ÷ Maximum)
10.8 - DC 14.4 V
NOTE:
*The value indicated takes into account average motor features and estimated work load. The value
indicated here is the minimum value guaranteed for the system to work at maximum declared
load. With reference to Fig. 2, voltage must be applied to clamps 4 and 8 of the 8-pole faston
connector, making sure to connect the positive pole with the clamp and the ground to clamp 4.
Assembling and Harnessing Procedure for the Encoder Unit
Standard motor rotation (the belt shaft rotates in the direction shown by the arrow printed on the black plastic
cover)
Connect the ORANGE wires to the “Down” end of stroke of the mechanical encoder and connect the YELLOW wires
to the “Up” end of stroke.
Reverse motor rotation (the belt shaft rotates in the opposite direction shown by the arrow printed on the black
plastic cover)
In the control panel, invert the orange wire and the yellow wire.
Connect the YELLOW wires to the “Down” end of stroke of the mechanical encoder and connect the ORANGE wires
to the “Up” end of stroke.
1.
While preparing the bed after pre-loading the belt by turning it twice around the shaft (and therefore
after more or less setting the lowest position for the bed), place the mechanical encoder bracket and
insert the threaded sleeve into the shaft. Check the shaft rotation when the bed is descending and
consequently in which direction the anti-rotation tab is moving, place the end of stroke button on
the “mechanical encoder” bracket on the side on which the “anti-rotation” tab is moving when the
bed is descending and fasten it by tightening the 3 mm nut. Make sure that the sleeve on the shaft
is fastened in the correct position and the “anti-rotation tab” has enough room inside of the encoder
bracket slot to slide throughout the whole ascent of the bed and that the ring nut on the bolt has
enough threading left to cover the bed ascent distance.