LRT 8                                                                               Luminescence scanner
Dimensioned drawing
                   en 05-2014/06 50118345
                                                                                              0…500mm
                                                                                1,5 kHz
                                                                10 - 30 V
                                                                    DC
                                                                                A2 LS
                                                                 Detection of luminescent objects and
                                                                  markings
                                                                 Various filter options
                                                                 Various light spot sizes
                                                                 High switching frequency
                                                                                                         A   Transmitter and receiver
                                                                                                         B   Optical axis
                                                                                                         C   Operational control
                                                                                                         D   Indicator diodes
                                                                                                         E   Turning connector, 90° rot. angle
We reserve the right to make changes • DS_LRT8_en_50118345.fm
                                                                                                         Electrical connection
                                                                               IP 69K
                                                                               IP 67
                                                                                                                              1x PNP or 1x NPN
                                                                IEC 60947...   IEC 60947...
                                                                Accessories:
                                                                (available separately)
                                                                   M12 connectors (KD …)
                                                                   Ready-made cables (K-D …)                                 2 x PNP, antivalent
                                                                   Mounting systems
                                                                   Control guard
                                                                   Diaphragms
                                                                Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
                                                                                                                                                                       LRT 8
Specifications                                                                                                       Tables
Optical data
Typ. scanning range limit 1)                           see tables                                                    Scanning range limit
Typ. scanning range 2)                                 see tables                                                                                            Typ. scanning range
                                                                                                                         Sensor
Light spot diameter                                    see diagram                                                                                           limit
Light source                                           LED                                                               LRT 8/24.00-50-…                    0 … 100mm
Wavelength                                             370nm (UV light) or 470nm (blue light)                            LRT 8/24.04-50-…                    0 … 100mm
Average life 3)                                        50,000h
                                                                                                                         LRT 8/24.16-80-…                    0 … 120mm
Timing                                                                                                                   LRT 8/24.04-100-…                   0 … 300mm
Switching frequency                                    1500Hz
Response time                                          0.33ms                                                            LRT 8/44.04-100-…                   0 … 300mm
Delay before start-up                                  ≤ 100ms                                                           LRT 8/24.14-150-…                   0 … 500mm
Electrical data                                                                                                          LRT 8/44.1B-150-…                   0 … 400mm
Operating voltage UB                                   10 … 30VDC                                                        LRT 8/44.14-150-…                   0 … 500mm
Residual ripple                                        ≤ 15% of UB                                                       LRT 8/24.10-150-…                   0 … 500mm
Open-circuit current                                   ≤ 35mA (10mA)
Switching output                           …/24…       1 PNP and 1 NPN transistor output, light switching
                                           …/44…       2 PNP transistor outputs, antivalent                          Scanning range
Function                                               reversible, inverted with +UB on PIN 5                                                                          Typ.
Signal voltage high/low                                ≥ (UB -2V)/≤ 2V                                                   Sensor   Object
                                                                                                                         LRT8/24… (white paper)                        scanning
Output current                                         max. 100mA                                                                                                      range
Sensitivity                                            adjustable with 12-turn potentiometer                                       10mm x 10mm                         0…70mm
Indicators                                                                                                               .04-50-…  20mm x 20mm                         0…100mm
Yellow LED                                             object detected                                                             50mm x 50mm                         0…150mm
Mechanical data                                                                                                                    10mm x 10mm                         0…100mm
Housing                                                metal                                                             .04-100-… 20mm x 20mm                         0…150mm
Optics cover                                           glass                                                                       50mm x 50mm                         0…220mm
Weight (plug/cable)                                    70g/140g
Connection type                                        M12 connector, 5-pin                                                        10mm x 10mm                         0…200mm
                                                                                                                         .14-150-… 20mm x 20mm                         0…300mm
Environmental data
                                                                                                                                   50mm x 50mm                         0 … 400mm
Ambient temp. (operation/storage)                      -20°C … +60°C/-40°C … +70°C
Protective circuit 4)                                  2, 3                                                                        10mm x 10mm                         0…150mm
VDE safety class 5)                                    II, all-insulated                                                 .1B-150-… 20mm x 20mm                         0…200mm
Protection class 6)                                    IP 67, IP 69K 7)                                                            50mm x 50mm                         0…300mm
Eye safety                                             370nm: in acc. with EN 62471: exempt group
                                                       470nm: in acc. with EN 62471: risk group 1                                  RED Lyra chalk,
Standards applied                                      IEC 60947-5-2                                                     Sensor                                        Typ.
                                                                                                                                   mark                                scanning
                                                                                                                         LRT8/24… (5mm x 30mm)
Options                                                                                                                            on
                                                                                                                                                                       range
L/D input
Inverted/not inverted                                  UB/0V or not connected                                                      Wood, light, wet                    0…80mm
L/D delay                                              < 0.5ms                                                                     OSB                                 0…60mm
                                                                                                                         .00-50-… Paper, black                         0…40mm
1) Typ. scanning range limit: max. scanning range achievable on object with maximum size and max. luminescence
   effect                                                                                                                          Paper, white                        0…60mm
2) Typ. scanning range: max. scanning range achievable on a typical object (see table)                                             Piece of chalk                      0…130mm
3) At +25°C                                                                                                                        Wood, light, wet                    0…350mm
4) 2=polarity reversal protection, 3=short circuit protection for all outputs
                                                                                                                                   OSB                                 0…300mm
5) Rating voltage 250VAC
6) In end position of the turning connector (turning connector engaged)                                                  .10-150-… Paper, black                        0…150mm
7) IP 69K test acc. to DIN 40050 part 9 simulated, high pressure cleaning conditions without the use of additives,                 Paper, white                        0…300mm
   acids and bases are not part of the test                                                                                        Piece of chalk                      0…500mm
                                                                                                                                  Yellow mark                          Typ.
                                                                                                                         Sensor   (10mm x 30mm)                        scanning
                                                                                                                         LRT8/24… on                                   range
                                                                                                                                  Paper, light                         0…100mm
                                                                                                                         .16-80-…
                                                                                                                                  Paper, dark                          0…40mm
Remarks                                                                                                              Diagrams
                                                                                                                                                     Typ. light spot
 Operate in accordance with intended use!                                                                                            35
  This product is not a safety sensor and is not intended as personnel protection.                                                  30       A
                                                                                                                     Diameter [mm]
                                                                                                                                              B
  The product may only be put into operation by competent persons.                                                                  25
                                                                                                                                              C
                                                                                                                                     20
  Only use the product in accordance with the intended use.                                                                         15
                                                                                                                                     10
                                                                                                                                     5
                                                                                                                                     0
                                                                                                                                          0   25        50       75      100   150
                                                                                                                                                   Scanning range [mm]
                                                                                                                            A LRT 8/24.14…-S12, LRT 8/44.14…-S12,
                                                                                                                              LRT 8/24.16…-S12
                                                                                                                            B LRT 8/24.04…-S12, LRT 8/44.04…-S12
                                                                                                                            C LRT 8/24.10…-S12
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
LRT 8                                                                                                                 Luminescence scanner
Order guide
Selection table
                                                                                                                                                                                                                                   LRT 8/44.1B-150-S12
                                                                           LRT 8/24.10-150-S12
                                                                                                                                           LRT 8/24.04-100-S12
                                                                                                                                                                 LRT 8/24.14-150-S12
                                                                                                                                                                                       LRT 8/44.04-100-S12
                                                                                                                                                                                                             LRT 8/44.14-150-S12
                                                                                                 LRT 8/24.16-80-S12
                                                                                                                      LRT 8/24.04-50-S12
                                                                           Part no. 50119033
                                                                                                 Part no. 50116732
                                                                                                                      Part no. 50041840
                                                                                                                                           Part no. 50109343
                                                                                                                                                                 Part no. 50119032
                                                                                                                                                                                       Part no. 50124694
                                                                                                                                                                                                             Part no. 50124693
                                                                                                                                                                                                                                   Part no. 50125896
                                                            Order code
Equipment 
Filter for the detection of   blue                400 … 500nm                                                                                                                                                                           
                              blue                400 … 750nm                                                                                                                                                 
                              red                 590 … 750nm                                        
                              yellow              550 … 750nm                                         
                              green               520 … 750nm
Transmitter                   UV                  370nm                                                                                                                                                                           
                              blue                470nm                         
Hysteresis                    standard                                                                                                                                                                                              
                              high                                                                                                                                                        
Target application            detection of all visible luminescence                                                                                                                                           
                              detection of white paper                                                                                                                                                                             
                              detection of yellow print marks                                         
                              detection of green print marks
                              detection of red marks on wood                    
Light spot                    large                                                                                                                                                       
                              small                                                                                                                                                                                                 
Switching outputs             1 x PNP, 1 x NPN, light switching                                                                                                   
                              2 x PNP, antivalent                                                                                                                                                                                     
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net