cable can minimise the effects of interference
(eg. interference caused by SMPS, motors,
cyclic controls and contactors).
Necessary measures:
Only screened cable should be used. Wire
cross section is to be at least 0,14 mm2, max.
0,5 mm2.
• Wiring to the screen and ground (0V) must
be secured to a good point. Ensure that the
connection of the screen and earth is made
to a large surface area with a sound connec-
tion to minimise impedance.
• The system should be positioned well away
from cables with interference; if necessary
a
protective screen or metal housing
must
be provided. The running of wiring parallel to
the mains supply should be avoided.
• Contactor coils must be linked with spark
suppression.
Supply voltage
The voltages depend on the sensor designs;
they are to be taken from the delivery docu-
mentation and the identification plate.
e.g.:
24 VDC ±20%
Attention!
When connecting sensor and fol-
lower electronics, please do not exceed the
max. admissable cable length.
Note:
In case of operating voltage 24 VDC,
output circuit LD and index signal I / reference
signal R we recommend use of terminal resis-
tors
≥
470 Ohm in order to avoid thermic over-
load.
4.1 Connection type
1. Remove cable coating.
2. Open screening and twist it.
3. Strip stranded wires to a length of 5 mm
and twist them.
4. Pinch stranded wires
Fig. 7 connection
35 5
as short as possible
shiled
4.2 Pin outs
A
red
B
orange
I
blue
UB
brown
GND
black
A
yellow
B
green
I
violet
5.
Maintenance
We recommend cleaning the magnetic strip’s sur-
face from time to time with a soft rag. This avoids
dirt (dust, chips, humidity ...) sticking to the strip.
7.
Trouble shooting
Below are some typical errors which may occur
during installation and operation:
• Magnetic strip incorrectly mounted (active sur-
face must be mounted towards the sensor) (see
chapter 3.1).
• Use of foreign protective strip. Must always be
non-magnetic.
• Sensor not or incorrectly connected (pin con-
nection, see chapter 4.2).
• Tolerance for the gap between magnetic sensor
and magnetic strip not observed over the
total
travel distance. Sensor touches strip (see fig.
6).
• Cable squeezed / interrupted / cut by sharp
edges.
• Sensor’s active side not mounted towards the
magnetic strip (see fig. 6).
• Sensor has not been aligned according to
chapter 6.
8
