LS 763/2.8, L8.
5                                            Features
                                                                                                                      •   Protective throughbeam photoelectric sensor with high performance reserve in infrared
                                                                                                                          light
                                                                                                                      •   Activation input for testing and interlinking
                                                                                                                      •   Compact construction with shock-resistant metal housing (V2A stainless steel) and
                                                                                                                          glass optics
                                                                                                                      •   LED indicator in transmitter and receiver for function monitoring
                                                                                                                      •   pnp transistor output for PLC applications
                                                                                                                      •   Connection via M8 connector
                                                                                                                      Electrical Connection
                                                                                                                               Transmitter                                         Receiver
                                                                                                                      Dimensional Drawing
                                                          Protective throughbeam
                                                          photoelectric sensor
                                                                 Safety note:
                                                          • The protective throughbeam photoelectric sensor
                                                             is a contactless active protective device only in
                                                             connection with a safety-relevant control system,
                                                             in which the cyclical testing of transmitter and
                                                             receiver is carried out according to EN 61496-1,
                                                             category 2 (testing).
                                                          • The power supply unit used to operate the
                                                            photoelectric sensor must be able to compensate
                                                            for changes and interruptions of the supply
                                                            voltage acc. to EN 61496-1.
                                                            Minimum blackening object: ∅8mm.
                                                          • Design type: Stainless steel housing, therefore
                                                            also suitable, for example, for use in the
                                                            pharmaceutical industry.
                                                          Accessories
602026 – 2009/01 Subject to change without prior notice
                                                          (available separately)
                                                          • Mounting system (B 763)
                                                          • Connection cable 5m
                                                                 - axial BK7 KB-003-5000-3A
                                                                 - angled BK7 KB-003-5000-3                                    A Indicator diode
                                                          • Test-monitoring units:                                             B Transmitter/receiver
                                                               -     TNT 35 ( Part No. 500 33058)                              C Optical axis
                                                               -     TMC 66 (Art.-Nr. 50082121)
                                                                                                                      Order guide
                                                                                                       IEC 60947...
                                                                                        IEC 60947...                                                          Designation                     Part No.
                                                                                                                      Transmitter                            LS 763/2.8 Se, L8.5              501 05198
                                                          Leuze electronic GmbH + Co. KG
                                                          Liebigstrasse 4                                             Receiver                               LS 763/4 E, L8.5                 501 05199
                                                          82256 Fuerstenfeldbruck / Germany
                                                          Phone     +49 8141 5350-0
                                                          Telefax +49 8141 5350-190
                                                          info@leuze.de
                                                          www.leuze.com
                                                          LS 763/2.8, L8.5
Technical Data
  Optical data
                                  1)
  Typ. operating range limit                      0 ... 8m
                    2)
  Operating range                                 0 ... 6m
  Light source                                    LED (modulated light)
  Wavelength                                      880nm
  Optics diameter                                 10mm
  Shadowing item                                  8mm
  Eff. angle of radiation                         max. ±4° acc. to EN 61496-2
  Timing
  Switching frequency                             100Hz
  Response time                                   min. 5ms
  Electrical data
                                                  24VDC ± 15%
                            3)
  Operating voltage UB
  Residual ripple                                  ≤ 10% of UB (peak/peak)
  Bias current                                    receiver ≤ 15mA
                                                  transmitter ≤ 20mA
  Switching output                                pnp transistor output
  Function characteristics                        pnp light-on
  Signal voltage high/low                         ≥ (UB-2V)/≤ 2V
  Output current                                  max. 100mA
  Indicators
  Receiver
   LED red                                        light path interrupted
   LED green                                      light path free
  Transmitter
   LED yellow                                     transmitter ON
  Mechanical data
  Housing                                         Stainless steel, V2A (1.4305), polycarbonate rear panel
  Optics                                          mineral glass
  Weight                                          130g
  Connection type                                 M8 connector
  Environmental data
  Ambient temp. (operation/storage)               -20°C ... +60°C/-30°C ... + 70°C
                     4)
  Protective circuit                              2,3
  Protection class                                IP 65
  Standards applied                               IEC 90647-5-2
  Options
  Activation input active
  Transmitter active/not active                   ≥ 20V/ ≤ 2V or not connected
  Activation/disable delay                        ≤ 0.5ms
  Input resistance                                10kΩ ± 10%
1) Typ. operating range limit: max. attainable range without performance reserve
2) Operating range: recommended range with performance reserve
3) Functional extra-low voltage with reliable disconnection or protective extra-low voltage (VDE 0100/T 410)
4) 2=polarity reversal protection, 3=short circuit protection
LS 763/2.8, L8.5