UNICONTROL Electronic S-SW-8 Manual

Object detector
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1
Function, Construction and Purpose .................................................... 2
2
Evaluation Unit ........................................................................................ 3
2.1 Electrical Connections .......................................................................................... 3
2.2 Sensor Electrodes ................................................................................................ 4
2.3 Configurations and Indication elements ................................................................ 5
2.3.1
2.3.2
SW2: Setting of functional properties .................................................................................. 5
2.3.3
Indication Elements .............................................................................................................. 6
2.4 Installation ............................................................................................................ 6
2.4.1
2.4.2
Sensitivity setting (relay switching point) ............................................................................. 6
2.5 Technical Data ...................................................................................................... 7
3
Montage & Cabling ................................................................................. 8
3.1 System arrangement ............................................................................................ 8
3.2 Electrical connections ........................................................................................... 9
4
Installation ............................................................................................... 9
Warning! Advisement about the difference between S-SW-8 and S-SW-3:
Differently of 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 sec-
onds, 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
Manual
Object Detector
S-SW-8
Tel.: 0621 87982 0
Fax 0621 87982 35
1
/10
02-22-2021

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Summary of Contents for UNICONTROL Electronic S-SW-8

  • Page 1: Table Of Contents

    Installation ....................9 Warning! Advisement about the difference between S-SW-8 and S-SW-3: Differently of 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 sec- onds, until the LED4 lights up red (calibration started).
  • Page 2: Function, Construction And Purpose

    Function, Construction and Purpose 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. The object detector S-SW-8 is mainly used in conveyor technology to control roller conveyors. This sensor system offers particular advantages in heavily polluted environments, like rolling mills, blast- ing systems, paint booths, etc.
  • Page 3: Evaluation Unit

    Evaluation Unit The evaluation unit is built into a poly-carbonate housing (IP65). The electrical connections to the power supply, reference potential, sensor electrodes and relay contacts are established via three cable connections. Figure 1 2.1 Electrical Connections Con- Connection nector 24 V Supply Voltage Both polarity accepted...
  • Page 4: Sensor Electrodes

    The connection to the sensor electrodes is made by the 2-pole connector X3 and a coaxial cable. According to the drawing (see Figure 1), the core is connected to the left terminal X3/1 (measuring electrode) and the shield to the right terminal X3/2 (opposite electrode). 2.2 Sensor Electrodes Figure 2 Basically: Narrow sensor electrodes →...
  • Page 5: Configurations And Indication Elements

    2.3.1 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 6: Indication Elements

    switch-ON. This unexpected behavior can be easily corrected by touching the main electrode (forcing over driven state – LED3 ON) for at least 4s when the relay goes OFF and the sensor recovers the op- erational state as soon as the electrode stay free again (untouched). 2.3.3 Indication Elements LED1 Is active during the measurement process.
  • Page 7: Technical Data

    There are two possible configuration methods: 1. Automatic: Pressing the SW1 button for 2s… 3s when the LED2 lights up. With a small time delay, the unit adjusts the sensitivity to match the object in the detection area. If the relay was previously switched OFF, it now switches ON. Case the relay was already ON, it stays ON until the object is removed from the detection area.
  • Page 8: Montage & Cabling

    Montage & Cabling Figure 3 3.1 System arrangement The sensor electrodes must be manufactured as described in chapter "2.2 Sensor Electrodes". The following basic rules apply to the assembly of the system: ● Montage and adjustment should only be done by qualified person. ●...
  • Page 9: Electrical Connections

    3.2 Electrical connections ● Sensor Electrodes: – Coaxial Cable Shield: from the evaluation unit X3/2 to the opposite elec- trode "B". – Coaxial Cable Core: from the evaluation unit X3/1 to the measurement electrode "A". ● Evaluation unit: – Connect X1/1 and X1/2 to the power supply (24V AC / DC). The polarity ±...
  • Page 10 9.: Set sensitivity: Depending on the currently sensitivity value, the positioned object can switch the relay ON via the sensor electrodes, or the relay remains switched OFF. The red LED5 lights up to indicate when the relay is switched ON. In any case, the sensitivity must be set to match the working object as described below.

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