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UniControl S-SW-8 Manual

Object detector
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1
Important Information ............................................................................. 2
1.1 General Information about this document ............................................................. 2
1.2 Intended Use ........................................................................................................ 2
1.3 Safety Instructions ................................................................................................ 2
2
Function, Purpose, Construction and Concepts .................................. 3
2.1 Operating Principle ............................................................................................... 3
2.2 Sensor, System and Concepts ............................................................................. 3
2.2.1
Evaluation Unit ..................................................................................................................... 3
2.2.2
Sensor Electrode ................................................................................................................. 3
2.2.3
Concepts .............................................................................................................................. 3
3
System ..................................................................................................... 4
3.1 Evaluation Unit ..................................................................................................... 4
3.2 Sensor Electrodes ................................................................................................ 5
3.3 Configurations and Indication Elements ............................................................... 6
3.3.1
3.3.2
SW2: Setting of functional properties .................................................................................. 6
3.3.3
Indication Elements .............................................................................................................. 7
3.4 Installation ............................................................................................................ 7
3.4.1
Sensitivity Setting (relay switching point)............................................................................. 8
3.5 Technical Data ...................................................................................................... 9
3.6 Disturbances ......................................................................................................... 9
4
Montage & Cabling ............................................................................... 10
4.1 System Arrangement .......................................................................................... 10
4.2 Electrical Connections ........................................................................................ 10
S-SW-8 video:
http://www.ucma.de/schaltschwelle-s-sw-8/
Warning! Advisement about the difference between S-SW-8 and S-SW-3:
Differently of the S-SW-3, the first time that S-SW-8 starts operation, an adjustment
must be triggered with empty sensor detection area. To do this, press SW1 at least 5
seconds, until the LED4 lights up red (calibration started). The calibration process is
completed when LED1 flashes green. Only after that, objects can enter the detection
area (relay switches on) or the sensitivity can be changed. We recommend using the
automatic sensitivity adjustment.
UNICONTROL Electronic GmbH
Freinsheimer Straße 3
D-68219 Mannheim
www.unicontrol-gmbh.de
Object Detector
S-SW-8
Tel.: +49 621 87982 0
Fax +49 621 87982 35
Manual
1
/11
4/8/2024

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Summary of Contents for UniControl S-SW-8

  • Page 1: Table Of Contents

    Warning! Advisement about the difference between S-SW-8 and S-SW-3: Differently of the S-SW-3, the first time that S-SW-8 starts operation, an adjustment must be triggered with empty sensor detection area. To do this, press SW1 at least 5 seconds, until the LED4 lights up red (calibration started). The calibration process is completed when LED1 flashes green.

  • Page 2: Important Information

    1.2 Intended Use The S-SW-8 detector device is intended for detecting the presence of electrically conductive objects that are in the detection range of a specially designed sensor. Any unspecified use must be avoided. The S-SW-8 devices are manufactured and tested according to the generally accepted technical standards of the electronics industry.

  • Page 3: Function, Purpose, Construction And Concepts

    Function, Purpose, Construction and Concepts 2.1 Operating Principle The object detector S-SW-8 is a capacity sensor system with a differential signal evaluation to detect the presence of metallic and other conductive objects contactlessly with the help of connected sensor electrodes.

  • Page 4: System

    S-SW-8 System 3.1 Evaluation Unit The evaluation unit is built into an ABS housing (IP65). The electrical connections to the power supply, reference potential, sensor electrodes and relay contacts are established via three cable connections. Figure 1 By inductive load connected on X2 (relay output), use spike suppression to prevent damage of the relay contacts.

  • Page 5: Sensor Electrodes

    Electrical insulation material (plastic / cera- cation cation mic). The selected diameter must ensure suffi- cient mechanical stability. Spacers are available as accessories from UNICONTROL (UC spacer M4, M6, M10 and M12). Electrodes gap 5 mm 80 mm Material mechanical...

  • Page 6: Configurations And Indication Elements

    3.3.1 SW1: Set sensitivity (relay switching point) & start calibration (SW2-2 OFF) With the rotational selector SW1 the sensitivity (switching point of the relay) is set and a new adjust- ment of the bias point of the S-SW-8 can be triggered. ● SW1 cw rotation →...

  • Page 7: Indication Elements

    S-SW-8 Case a detected object is removed from the detection area while the sensor is turned-OFF, in the next turning-ON, the sensor will incorrectly behave as if the object is still there and the relay will switch-ON. This unexpected behavior can be easily corrected by touching the main electrode (forcing over driven state –...

  • Page 8: Sensitivity Setting (Relay Switching Point)

    S-SW-8 SW2-2 ON The adjustment is not automatically carried out. Adjustment must be forced by pressing the SW1 button for at least 5s (LED4 ON). The elapsed time can be seen on the behavior of LED2: After 2s, LED2 lights UP and after 5s it goes OFF again.

  • Page 9: Technical Data

    S-SW-8 3.5 Technical Data Parameter Sym Condition Unit Supply Voltage AC/DC Operation Power 18V ≤ U ≤ 30V In operation °C Environment Temperature Storage °C SW2-1 = OFF Switching point hysteresis SW2-1 = ON Conductor cross-section Ø Without ter- mination...

  • Page 10: Montage & Cabling

    S-SW-8 Disturbance Possible Cause Correction When occupied by an object, the Short circuit between measu- Eliminate short circuit. detector unit shows implausible ring and opposite electrode. behavior, i.e. the function is re- versed, for example, or a (large) object can react even at high sen- sitivity not be recognized.
  • Page 11 S-SW-8 Connector Pin Connection 24 V Supply Voltage Both polarity accepted AC/DC Connected to the mounting structure of Reference Potential the sensor electrodes. Relay common contact Relay normally open contact Relay normally closed contact Core Connected to the measuring electrode.

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