Junction Box Type KAK – Technical Manual, Rev. 1.00 August 2007
Page 3 of 4
I
NTRODUCTION AND TECHNICAL
D
ATA
The Aluminium junction box is designed for the parallel connection of 4 load cells.
Type
No. of load cells
Housing size
Inputs
Output
KAK-4
up to 4
80 x 250 x 52 mm
4x M16
1x M16
The junction box type KAK can be connected to the instrumentation with a shielded 6-wire signal cable.
The corner correction is done with resistors and/or potentiometer.
Housing material:
Aluminium
Protection class:
IP66
Cable connection:
With clamping terminals
Corner correction:
By exchangeable resistors and/or potentiometer
M
ECHANICAL
I
NSTALLATION
Look for a mounting location which is more or less dry and protected from environmental stress.
E
LECTRICAL
C
ONNECTIONS
Figure 1: Dimensions in [mm]
The connection sequence of the load cells should correspond to the corners of the scale, i.e
Corner 1 = Load cell 1, Corner 2 = Load cell 2, etc.
L
OAD
C
ELL
C
ABLE
C
ONNECTION
First the cable gland (see in fig.1) must be loosened. Then you have to feed the load cell cable through the
cable gland unless the shrink tube is fully disappeared in the box. The wires have to run below the printed
circuit board and will be pulled back to the top at the upper end of the printed circuit board. Afterwards you can
connect the cables to the clamping terminals as indicated below:
Cable coulour
Description
Terminal designation
yellow
= Cable shield
Shield / Schirm
red
= Signal – (Output –)
red / rot
white
= ()
white /weiss
black
= Excitation – (Input –)
black / schwarz
(if applicable, brown)*
= Sense –
black / schwarz
green
= Exci (Input +)
green / grün
(if applicable, blue)*
= Sense +
green / grün
* if load cell is equiped with 6-wire conductor cable
After all conductors have been clamped to the terminals, the cable glands must be tightened. Please verify
that all cable glands are tight and the cable is fully stress relieved.
