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2020.12.04 OB 100 set User manual 

 

 
 
 
 
 
 

 

User Manual 

 

OB 100 set 

Opto-Box 100 LIN / CAN 

 

 

 

 

 

 

Copyright    (C)  

Dipl.- Ing. Gunter Langer 

 

Nöthnitzer Hang 31  

 

01728 Bannewitz 

 

January 2020 

 
 

Transmission of LIN signals and high-speed CAN signals via fiber optics

 

 

 

Содержание OB 100 set

Страница 1: ...00 set User manual User Manual OB 100 set Opto Box 100 LIN CAN Copyright C Dipl Ing Gunter Langer Nöthnitzer Hang 31 01728 Bannewitz January 2020 Transmission of LIN signals and high speed CAN signals via fiber optics ...

Страница 2: ... OB 100 Opto Box 100 6 4 2 CAN 100 Optical Fiber Probe 6 4 3 LIN 100 Optical Fiber Probe 6 5 Safety Instructions 7 6 Information on Recycling and Disposal 8 7 Application 9 8 Design of Opto Box 100 10 8 1 Mechanical Design 10 8 2 GND Connection 10 8 3 Voltage Supply 11 8 4 Signal Transmission Electrical Connection 12 8 5 Signal Transmission Optical Connection 13 9 Use of Opto Box 100 14 9 1 Measur...

Страница 3: ...LIN CAN with Opto Box 100 LIN 100 and CAN 100 agrees with the regulations of EC guidelines EMC Directive 2014 30 EU Restriction of certain Hazardous Substances 2011 65 EU Applied standards and technical specifications DIN EN 61000 6 3 2011 09 EMC Emission DIN EN 61000 6 1 2007 10 EMC Immunity DIN EN 50581 2013 02 Restrictions of hazardous substances Person authorized to compile the technical file ...

Страница 4: ... personal injury or damage to material if the instructions in this user manual were not followed the product was used by personnel who are not qualified in the field of EMC and who are not fit to work under the influence of disturbance voltages and electric and magnetic fields the product was not used as intended the product was arbitrarily modified or technically altered spare parts or accessorie...

Страница 5: ...pe Qty 01 Opto Box 100 OB 100 2 02 Optical Fiber Double LWL double 10 m 1 03 Optical Fiber Probe LIN 100 1 04 Optical Fiber Probe CAN 100 1 05 Adapter Socket 3 pole 4 06 Adapter Socket 4 pole 4 07 Enamelled Copper Wire Wire CuL 1 08 Power Supply Unit NT Ex EU 1 09 System Case 240 x 190 x 55 mm 1 10 Quick Guide 1 11 User Manual 1 ...

Страница 6: ...ength 20 m 6 m at 1 Mbit s CAN 4 2 CAN 100 Optical Fiber Probe Sizes L x W x H with connector 37 x 12 x 8 mm Supply voltage 4 5 7 0 Volt Dielectric strength 15 V Current input Approx 40 mA recessive max approx 80 mA master receive dominant Max transmission rate 1 Mbit s CAN transceiver SN65HVD251 Optical fiber connection 2 x 2 2 mm Ø Max optical fiber length 10 m 6 m at 1 Mbit s 4 3 LIN 100 Optica...

Страница 7: ...ck or the risk of injury Before each use check externally for damage Damaged or defective devices are not to be used The operating and safety instructions for all devices included in the measurement set up must be observed The use of the devices under the influence of interference is to be carried out by personnel who are experts in the field of EMC All devices are to be connected or disconnected ...

Страница 8: ...t should be taken to an appropriate disposal facility for recycling and disposal Do not dispose of with household waste Recyclable Products This product contains rechargeable batteries Please recycle used batteries at the end of their useful life or dispose of them safely and properly Many cities collect used batteries for recycling or disposal Please contact your local waste disposal office for i...

Страница 9: ...ne an Opto Box 100 with a LIN 100 or CAN 100 sensor The respective sensor should be used directly on the DUT s circuit board In this way the CAN or LIN cable can be completely replaced by a optic fiber cable for measurements during development within the test hall screening cabin thus achieving a very high interference immunity of the signal connection At the same time the interference decoupling ...

Страница 10: ...nce immunity tests it should be operated isolated from the rest of the set up in order to achieve the highest possible interference immunity of the signal transmission Many standards require this set up anyway For this purpose the Opto Box must be placed isolated if possible with a distance of a few centimeters above the frequently conductive substrate of the measurement set up For measurements du...

Страница 11: ...4 7 V the red LED Low Bat lights up If the Opto Box 100 is supplied via a plug in power supply unit at the DC8 socket the batteries are charged independently of the operating state of the Opto Box The yellow Charging LED lights up When the charging end voltage is reached charging is interrupted and the Charging LED is switched off The batteries can remain in the device Note The rechargeable batter...

Страница 12: ... used to select the operating mode In CAN mode at least both CAN pins must be connected to the CAN signal of the DUT If required an internal 120 Ohm terminating resistor in CAN mode can be connected via the LIN CAN ON OFF switch In LIN mode at least the signal line and the ground are connected If required an internal 1 kOhm pull up resistor LIN operation can be connected for the Master operating m...

Страница 13: ...ptical input the slightly shorter one to the optical output see marking on the Opto Box 100 long and short arrow The maximum length of the optical fiber is 20 m In practice however in CAN operation at a transmission rate of 1 Mbit s the delay of the optical receivers results in a reduction of the permissible length to 6 10 m depending on the edge steepness of the signal and the reaction time of th...

Страница 14: ...via plug in power supply Its batteries are thus also charged during operation If the batteries of the Opto Box inside the hall are discharged the Opto Boxes can be exchanged at any time and the measurements can be continued Figure 5 Two Opto Boxes for data transmission connected via fiber optics To improve the EMC properties we recommend as specified in various standards anyway that the opto box u...

Страница 15: ... monitor the DUT in this case it is necessary to use a CAN 100 or LIN 100 sensor in conjunction with an Opto Box Figure 7 If the sensor is used as described in section 10 3 it is possible to communicate with the DUT without any metallic signal line Figure 7 One sensor with one Opto Box for data transmission without LIN CAN bus cable In order to prevent the propagation of interference pulses via th...

Страница 16: ...ptical fiber is always connected to the optical input long arrow the slightly shorter one to the optical output short arrow Figure 11 The longer optical waveguide must also be pushed further into the CAN 100 up to the stop so that when correctly connected the double optical waveguide is just connected to the CAN 100 LIN 100 The maximum length of the optical fiber is 20 m Figure 11 Connection CAN 1...

Страница 17: ...nternal 1 kOhm pull up resistor can be connected if required for operation as master With a screwdriver the edge steepness of the signals output by the LIN 100 can be changed Depending on the transmission rate a minimum edge steepness is required at 20 kHz transmission rate the setting control must be set to fast delivery state Note To measure error free under RF irradiation burst or ESD the CAN 1...

Страница 18: ...ufacture during the statutory warranty period either by repair or by delivery of spare parts This warranty is only granted on condition that The information and instructions in the user manual have been observed The warranty will be forfeited if An unauthorized repair is performed on the product The product is modified The product is not used for its intended purpose The product is opened ...

Страница 19: ...ww langer emv com E mail mail langer emv de Phone 49 0 351 430093 0 Fax 49 0 351 430093 22 This document may not be copied reproduced or electronically processed either in its entirety or in part without the prior written permission of Langer EMV Technik GmbH The management of Langer EMV Technik GmbH assumes no liability for damage that may arise from using this printed information LANGER Nöthnitz...

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