Siko SGP/1, Информация пользователя, Страница: 8 / 12

8 SGP/1 Datum 03.03.2010 Art.Nr. 84050 Änd. Stand 65/10
viewing side = plug-in-side
Fig. 4: Mounting of the wire extension
Fig. 3: Extension wire, Guide roller
Extension wire
Wire actuated transducer
Guide rollers
Measuring range
Extension wire (acessory)
If necessary an extension wire can be used.
Attention!
By using an extension wire the maxi-
mum measuring length can not be altered. Make
sure that the maximum extension length is not
exceeded.
For mounting the wire extension: Push the con-
necting piece (3) onto the screw connector (1).
The press-fit clamping sleeve (2) will neatly join
both elements.
Connector connection without instrument
transformer
Pin Designation
1 Po
Start point
2 Pe
End point
3 S
Moving contact
4 ---
Guide rollers (accessory)
Are used for applications where wire actuated
transducer and wire cannot be mounted in one
line. Using guide rollers the wire can be pulled out
in any direction (fig. 3).
Guide rollers must be mounted in line with the
wire.
Maintain cleanliness of guide rollers at all
times.
Attention!
When using an extension wire make
sure that the wire connector dois not go over the
guide roller.
4. Electrical connection
Switch power off before any plug is inserted
or removed!!
Wiring must only be carried out with power off.
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Provide standed wires with ferrules.
Check all lines and connections before switching
on the equipment.
Interference and distortion
All connections are protected against the effects
of interference.
The location should be selected
to ensure that no capacitive or inductive in-
terferences can affect the encoder or the con-
nection lines! Suitable wiring layout and choice
of 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. Screen
should be connected to earth at both ends.
Wire cross section is to be at least 0,14mm²,
max. 0,5mm².
Wiring to screen and to ground (0V) must be via
a good earth point having a large surface area
for minimum impedance.
The unit 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.
Cross section of cables connecting from screen to
machine or to control cabinet (GROUND) schould
be at least 4 mm².
Metallic components of the transmitter housing
should be earthed according to local regulations
and should not be connected potential free.
4.1 Pin assigment
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