Electrical Connection - Siko Sg5 Benutzerinformation

Guide rollers (accessory)
If the wire cannot be led perpendicularly to the
wire outlet, then guide rollers make it possible to
pull out the wire in any direction.
Wire actuated transducer
Guide rollers
Fig. 3: Guide roller
• Guide rollers must be mounted in line with the
wire.
• Maintain cleanliness of guide rollers at all
times.

4. Electrical connection

• Switch power off before any plug is inserted
or removed!!
• Wiring must only be carried out with power off.
• Check all lines and connections before switching
on the equipment.
Interference and distortion
The location should be selected to ensure that
no capacitive or inductive interferences can
affect the encoder or the connection lines!
Suitable wiring layout and choice of cable can
minimise the effects of interference (eg. interfe-
rence caused by SMPS, motors, cyclic controls and
contactors).
Necessary measures:
• Only screened cable should be used. Put on the
cable screen on the control side. 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.
6 SG5
Measuring range
Datum 25.08.2010
4.1 How to open and close the device
For opening (fig. 4):
• Use a screwdriver for opening snap-in cap (1)
on both sides very carefully and slowly (risk of
breakage) until the cap can be removed!
Fig. 4: Opening
For closing (fig. 4):
• Put cap (1) back and make sure that both snap
connections catch.
4.2 Potentiometer without instrument transformer
If you want to mount your own cable, please open
the unit as described in chapter 4.1 (max. cable-
ø3,5 ). Potentiomter connections will then be
+0,3
accessible (fig. 5).
Color Designation
brown Po
Start point
green S
Moving contact
white Pe
End point
Fig. 5: Potentiometer connection / circuit diagram
4.3 Potentiometer with R/I transformer (MWI)
If you want to mount your own cable, please open
the unit as described in chapter 4.1 (max. cable-
ø3,5 ). Potentiomter connections will then be
+0,3
accessible (fig. 6).
The instrument transformer provides a loop current
of 4 to 20mA.
Art.Nr. 83679
Potentiometer
CCW
S
CW
Änd. Stand 281/10