User's Manual
Contents
1. DE64 72151880 0000 221150 Ingolstadt Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH HRB 101468 D 86529 Schrobenhausen Germany VAT DE 181 207 708 82. Load Signal 6 ERROR Negative Error Optocoupler Output 7 ERROR Positive Error Optocoupler Output 8 TRIGGER Negative Trigger Optocoupler Output 9 TRIGGER Positive Trigger Optocoupler Output Optical SMA Connectors LED Transmitter Photodetector SMA series 905 3 Signals 3 1 The Analog Load Signal This signal shows the light changes which occur due to the load applied on the sensor in an AC coupled manner To obtain the load signal connect Vanalog pin 5 and Vref pin 3 to a measuring device Either use Vref as reference voltage or measure both Vanalog and Vref with reference to GND Pin 2 In this case do the computation Load Signal Vanalog Vref President CEO Address Fred Motzko Sensor Line Gesellschaft f r Register Office optoelektronische Sensoren mbH Ingolstadt Carl Poellath Str 19 HRB 101468 D 86529 Schrobenhausen Germany Tel 49 8252 8943 0 Fax 49 8252 8943 11 eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Hp www sensorline de Bank Account Stadtsparkasse Schrobenhausen SWIFT BIC BYLADEM1SSH VAT DE 181 207 708 4 SL MA 110 User s Manual SENSCOUR LINE 3 2 The Analog Monitor Signal In case the load signal is zero this signal shows the absolute light power transmitted by the sensor It is obtained as is the load signal but it is negative with reference to Vref Monitor Signal Vmon Vref As the light changes caused by the load are much sma
3. the light power monitor signal also have their own output clips Features e Dynamic interface for detection of light power changes e Optocoupler digital outputs Trigger output optocoupler e Error indication output e Analog output e Monitor output for normalizing the analog signal e Reverse power protection Short circuit protection e Housing 67x58x25mm 2 6 x 2 3 x 1 IP 30 NEMA 2 enclosure e 10 pin screw clip 67mm 2 6in 60mm 2 36in Screw Clip 2 Fitting Hole 010000000010 A SENs IR LINE 3 x Optical Transmittance Analyzer 3 E SL MA 110 E Supply 12 24 VDC 100 mA y v u ae Made in Germany SMA Connectors 905 Series KOCH 1 20mm 0 8in L LED Transmitter gt Photodetector President CEO Address Tel 49 8252 8943 0 Bank Account Fred Motzko Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen Register Office optoelektronische Sensoren mbH eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Ingolstadt Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH HRB 101468 D 86529 Schrobenhausen Germany VAT DE 181 207 708 23e SL MA 110 User s Manual SENS JR LINE 2 Connections Electrical PinNo Signal Description 0 12 24 VDC Supply Voltage 1 GND Ground 2 GND Ground 3 Vref Reference Voltage about 5 V 4 Vmon Analog Monitor Signal 5 Vanalog Analog
4. 10k pull down resistor from TRIGGER to GND pin 1 pin 2 Ail 5 00vV A2 150987 r 0 0085 2008 91 3 4 The Digital Error Signal To obtain the Error Signal also one of the circuits on the previous page can be used If an Error signal occurs first check the monitor signal as described under 3 2 Ifthis equals to zero the transmission path is interrupted In case it is below 250 mV the attenuation of the transmission path exceeds the limit specified for proper operation of the triggering circuit This should not occur because the sensors are tested for attenuation The interface may then still work but in certain cases the trigger signal may not be reset when the load is removed from the sensor Try cleaning the fiber connectors with a soft cloth Be sure that neither the sensors nor the feeders are bent over sharp edges If this doesn t help the sensor or the feeders might be damaged and should be replaced President CEO Address Tel 49 8252 8943 0 Bank Account Fred Motzko Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen Register Office optoelektronische Sensoren mbH eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Ingolstadt Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH HRB 101468 D 86529 Schrobenhausen Germany VAT DE 181 207 708 26 SL MA 110 User s Manual SENSCOUR LINE 4 Fitting and starting 1 Fit the interface wi
5. President CEO Fred Motzko Register Office Ingolstadt HRB 101468 SENS cjR LINE GmbH Optical Transmittance Analyzer SL MA 110 OM OOOODO SENS JR LINE Optical Transmittance Analyzer SL MA 110 Supply 12 24 VDC 100 mA Made in Germany Laser Class 3A User s Manual SENS oJR LINE Sensor Line Gesellschaft fur optoelektronische Sensoren mbH Carl Poellath Str 19 D 86259 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email sensorline sensorline de www sensorline de Address Tel 49 8252 8943 0 Bank Account Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen optoelektronische Sensoren mbH eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH D 86529 Schrobenhausen Germany VAT DE 181 207 708 SEO SL MA 110 User s Manual SENS COUR LINE 1 GENERAL EE 3 2 CONNECTIONS nn sende 4 K 4 3 1 The Analog Load ona nennen nnnnnnnnen nennen 4 3 2 The Analog Monitor Signal 5 3 3 The Digital Trigger Signal 5 3 4 The Digital Error Signal cccccccssseesecccsaceesseecsnnenseeesessaaenssseseas 6 4 FITTING AND STARTING E 7 5 SPECIFICATIONS ege 7 President CEO Address Tel 49 8252 8943 0 Bank Account Fred Motzko Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen Register Office optoelektronische
6. Sensoren mbH eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Ingolstadt Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH HRB 101468 D 86529 Schrobenhausen Germany VAT DE 181 207 708 D SL MA 110 User s Manual SENSCOUR LINE 1 General The SL MA 110 Optical Transmittance Analyzer OTA is an electronic interface that supplies and evaluates fiber optic load sensors The SL MA 110 serves as the interface between the fiber optic sensor and the processing unit It should be installed indoors or inside a weatherproof road side cabinet A complete sensor system consists of the SL MA 110 interface with transmitter LED and receiver photodetector connected by fiber optic feeder cable to the fiber optic load sensor Function The interface responds to the optical sensor signal in a dynamic AC coupled manner i e the electrical signal caused when a load is applied to the sensor decreases to zero as the load remains applied At a threshold a digital trigger signal is generated This signal is automatically reset after a certain time period These characteristics allow the SL MA 110 interface to operate without the need for adjustment If the interface detects an interruption in the light transmission path it generates a digital error signal Both digital signals are transmitted via optocouplers which behave similar to relays allowing the use of a variety of output circuitry The dynamic analogue load signal and
7. he transmitter for longer periods regardless whether light is visible or not President CEO Address Tel 49 8252 8943 0 Bank Account Fred Motzko Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen Register Office optoelektronische Sensoren mbH eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Ingolstadt Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH HRB 101468 D 86529 Schrobenhausen Germany VAT DE 181 207 708 iy ge SL MA 110 User s Manual SENSCOUR LINE Important notice All the information contained herein is believed to be accurate and reliable However SENSOR LINE assumes no responsibility for its use or for any infringements of patents or other rights of third parties that may result from its use No license is granted by implication or otherwise under any patent rights of SENSOR LINE GmbH SENSOR LINE GMBH SHALL NOT BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RELATED TO THE USE OF THIS PRODUCT All rights reserved Reproduction or adaptation of any part of this documentation beyond without permission of the Copyright owner is unlawful T Faul 26 09 2013 Copyright 2012 by SENS R LIN President CEO Address Tel 49 8252 8943 0 Bank Account Fred Motzko Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen Register Office optoelektronische Sensoren mbH eMail sensorline sensorline de IBAN
8. ller than the whole light power the monitor voltage is amplified by a factor of 20 less than the load signal In either case the complete transmitted light power is proportional to the value Monitor Signal Load Signal 20 To obtain a normalized load signal independent from the particular sensor s attenuation do the computation Load Signal La ee Monitor Signal u Normalized Load Signal 5x 3 3 The Digital Trigger Signal As the trigger signal is transmitted via an optocoupler one of the following circuits is required Vsupply May be any external power supply t V sieci V PENO TRIGGER 8 O supply TRIGGER 9 O TRIGGER 8 4 OL The left circuit yields a positive trigger pulse the circuit on the right side an inverted one The waveforms below show the signals caused by a vehicle crossing the sensor Upper graph Vanalog pin 5 related to Vref pin 2 President CEO Address Tel 49 8252 8943 0 Bank Account Fred Motzko Sensor Line Gesellschaft f r Fax 49 8252 8943 11 Stadtsparkasse Schrobenhausen Register Office optoelektronische Sensoren mbH eMail sensorline sensorline de IBAN DE64 72151880 0000 221150 Ingolstadt Carl Poellath Str 19 Hp www sensorline de SWIFT BIC BYLADEM1SSH HRB 101468 D 86529 Schrobenhausen Germany VAT DE 181 207 708 5 SL MA 110 User s Manual SENSCOUR LINE Lower graph Signal occurred at TRIGGER pin 8 with TRIGGER pin 9 connected to 15V and a
9. th screws 2 Remove the safety caps from LED transmitter and photodetector 3 Connect the sensor SMA connectors with transmitter and photodetector When fastening the sensor SMA connectors with transmitter and photodetector a strong torque must be applied in order to guarantee smallest attenuation but do not use any pliers The connectors of transmitter and photodetector are allowed to be interchanged 4 Connect the pins 0 Supply Voltage and 1 Ground to the power supply 5 Connect the signal outputs pin 2 to 9 6 Turn on power supply 7 Test the installation by driving over the embedded sensor and monitor the Trigger signal pin 8 and 9 or Vanalog signal pin 5 Test the sensor Error signal pin 6 and 7 by disconnecting one of the fiber connectors 5 Specifications Technical Data Housing Plastic Size 67 x 58 x 25 mm Protection Class IP 30 Connection Screw clip 10 pins Optical Interface SMA 905 LED Type Red High Power LED GaAlAs LED Peak Output Wavelength 660 nm Visible 850 nm IR Relative Humidity 80 at 25 C Temperature Range 40 C to 85 C 40 F to 185 F Supply Current lt 100 mA Supply Voltage 12 to 24 VDC Analog Output 0 10 V Optocoupler Output max 60V 25mA Velocity Range 1 to 250 km h Feeder Length up to 250 meters LED Risk Group RG 0 safe According to DIN EN 62471 Please note In spite of the official classification SENSOR LINE recommends to avoid staring into t
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