CAN Fiber Optic Bridge User Manual
Contents
1. 16 9 1 WARRANTY 16 9 2 STATEMENTS 16 Page3 of 16 O 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 1 Safety First It is essential that the user read this document carefully before using the hardware The Gen II Fiber Optic Bridge devices are for use by individuals with thorough knowledge of Electromagnetic Interference EMI and Electromagnetic Chamber EMC testing for vehicle systems and components The user is assumed to have a very good understanding of the electronic systems contained on the vehicles and the potential hazards related to working on a shop floor or in a EMC lab environment 1 DG understands that there are numerous safety hazards that cannot be foreseen in a testing or lab environment We recommend that the user read and follow all safety instructions included in this manual Always use caution whether on vehicle or in the environmental chamber Understand your equipment usage guidelines and operational precautions Useextreme caution when working around electricity When diagnosing any vehicle there is the risk of electric shock both from vehicle voltages and from building voltage Do not smoke allow sparks or open flames near any part of the vehicle fuel system2. Gen II Fiber Optic Bridge Installation and User Manual OFF The unit is powered OFF and will not draw power from the internal battery supply If the wall power supply is attached the internal battery charger operates and charges the internal battery while the switch is set to OFF HSCAN The unit is powered ON and will operate in the HSCAN mode This includes the familiar dual wire 15011898 CAN as well as the newer CAN FD If the wall supply is attached the internal battery charger will operate Normal operation can continue while batteries are charging SWCAN The unit is powered ON and will operate the SWCAN mode If the wall supply is attached the internal battery charger will operate Normal operation can continue while batteries are charging Option Your Gen II Fiber Optic Bridge may have been built with an optional vehicle bus interface installed If so please consult the documentation for the particular option that you are using When the Power Mode switch is set to the Option position the unit is powered ON and will operate using the optional vehicle bus interface The unit will draw power from your battery even if you do not have an option card installed If the wall supply is attached the internal battery charger will operate Normal operation can continue while batteries are charging 3 5 Setting the HSCAN termination rotary switch The rotary switch has meaning only if you are using the HSCAN vehicle bus The s
3. Gen II Fiber Optic Bridge User Manual Document Revision Initial Release Document Date 2 21 2014 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual IMPORTANT To ensure your success with this product it is essential that you read this documentation carefully before using the hardware Damage caused by misuse of the hardware is not covered under product warranty When using this manual please remember the following a This manual may be changed in whole or in part without notice DG assumes no responsibility for any damage resulting from the use of this hardware Specifications presented herein are provided for illustration purposes only and may not accurately represent the latest revisions of hardware or cabling No license is granted by implication or otherwise for any patents or other rights of DG or of any third party The DG logo is a registered trademark of Dearborn Group Inc Other products that may be referenced in this manual are trademarks of their respective manufacturers Permission is granted to copy any or all portions of this manual provided that such copies are for use with the Gen II Fiber Optic Bridge product and that 2014 Dearborn Group Inc herein referred to as Dearborn Group DG Technologies or DG remains on all copies DG Technologies 33604 West Eight Mile Road Farmington Hills MI 48335 Phone 248
4. 5 VDC 3 Vbat Fiber Optic Cable Termination SMA905 Core Type HCS 850nm Core Refraction Multimode with graduated index Core cladding 50 125uM 62 5 125uM or 100 140uM Core attenuation 3dB Km or better Length 10M 4 Battery Endurance 12 hours continuous operation 3 hrs charge time Operating Temperature 20 C to 60 C Storage Temperature 20C to 70 C Environmental 5 ALSE GMW3097 paragraph 3 3 1 BCI GMW3097 paragraph 3 4 1 Anechoic Chamber GMW3097 paragraph 3 4 2 ESD handling GMW3097 paragraph 3 6 3 1 The provided supply produces 12V DC with a tolerance better than 5 Do not substitute 2 Not user replaceable Contact DG for replacement options 3 Required for SWCAN 4 Optional 20 Meter cable available Contact DG Technologies 5 Specified environmental parameters apply to battery operation Page 11 of 16 O 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 5 2 Vehicle bus connector pinout The following chart shows the pinout of the female DE 15S connector contained in the Gen II Fiber Optic Bridge Do not attempt to utilize other pins not listed in the table Single Wire CAN SWCAN Bus signal CAN Hi HS CAN 4 CAN Lo HS CAN Vehicle Power 5 Vehicle Ground Ground See Option Card 7 Optional Signal 1 Documentation 11 Chassis Metal Case See Option Card 12 Optional Signal 2 Documentation 15 Vehi
5. 888 2000 Fax 248 888 9977 www dgtech com sales dgtech com techsupp dgtech com Page 2 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual Table of Contents gpE edeepud gmeeec 3 1 d 35 M4dh lyW E X MXV 4 2 INTRODUCING THE GENERATION Il FIBER OPTIC aan 5 3 GETTING STARTED WITH THE GEN Il FIBER OPTIC aan 7 3 1 CONNECTING THE BRIDGES TOGE THER ar aaa a Eaa E a Ea a a E aa Aa a Ea a a aaa EEE aa aaae a Eana Een eiaa iae ukida 7 3 2 CONNECTING THE VEHICLE BUS TO EACH 00 00440 0 7 3 3 006000 0 0 E 7 3 4 SETTING THE BRIDGE POWER ROTARY SM TO ara rre rap ia a e are a aa ie raaa a r a E aa ea uarias 7 3 5 SETTING THE HSCAN TERMINATION ROTARY 8 3 6 SETTING THE SWCAN TERMINATION ROTARY SWITCH 9 3 7 STARTING COMMUNICATION RRRRRRRRRRRRRRRRRRRRRRRRRRRRRERREMEMMMMMMMMMMMMMMMEKHRHRE
6. connection Try connecting your DUT directly to your test equipment Does it work properly If not this needs to be working first 4 3 Battery status The battery is OK when the green or blue LED indicator is lit when the power is turned ON When the indicator is RED or fails to illuminate the battery requires charging or replacement 4 4 Fiber cables Are the fiber optic cables supplied with the kit being used If not it is recommended that you check the cable compatibility section located at the end of this document Most SMA905 62 5 100 type HCS cable should work with the Gen Il Fiber Optic Bridge unit DG guarantees functionality with the 10M fiber cable supplied Many Gen II Fiber Optic Bridge configurations will work properly with much longer fiber optic cables Refer to section 7 for details on fibe optic cable length calculation If the fiber optic cables being used are suspect be sure to test the set up with the supplied 10M fiber cables first If you are unsure of the condition of your cables perform the test with verified fiber optic cables The Gen II Fiber Optic Bridge has a built in cable test mode This will allow you to test continuity between bridges or continuity of a single cable 4 41 Fiber cable test mode Fiber test mode may be selected when two bridges are connected as shown in Figure 1 Test the fiber optic cables by placing all three rotary switches in the 4 position the furthest clockwise position Both br
7. or vehicle batteries Always work in a well ventilated area and route vehicle exhaust outdoors Do not use this product in an environment where fuel fuel vapor exhaust fumes or other potentially hazardous liquids solids or gas vapors could collect and or possibly ignite such as in an unventilated area or other confined space including below ground areas Page 4 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 2 Introducing the Generation II Fiber Optic Bridge The Gen II Fiber Optic Bridge is used to connect network based vehicle systems and components to exterior testing monitoring and development equipment using fiber optic communication in place of copper wire communication due to electromagnetic interference EMI For example equipment being tested for RF susceptibility would need to be isolated in a shielded chamber Often there is a need for communication between the DUT and equipment located outside of the chamber The Gen II Fiber Optic Bridge provides an optical means of bridging various vehicle networks through a single pair of Polymer Optical Fiber POF cable This product is sold as a kit which contains the following e Two Gen II Fiber Optic Bridge units e 10 Meters of dual POF cable e One 12V wall power supply Features for the Gen II Fiber Optic Bridge include Compatibility with SMA 905 terminated multimode fiber Compatibility with High Speed CAN
8. provide support services on an as is basis and disclaim all other warranties and conditions not specifically stated herein whether express implied or statutory including but not limited to any warranties of merchantability or fitness for a particular purpose lack of viruses accuracy or completeness of responses results lack of negligence or lack of workmanlike effort and correspondence to description The user assumes the entire risk arising out of the use or performance of the device its operating system components and any support services Exclusion of Incidental Consequential and Certain Other Damages To the maximum extent permitted by applicable law in no event shall Dearborn Group Inc or its suppliers be liable for any special incidental indirect or consequential damages whatsoever including but not limited to damages for loss of profit loss of confidential or other information business interruption personal injury loss of privacy failure to meet any duty including good faith or of reasonable care negligence and any other pecuniary or other loss related to the use of or the inability to use the device components or support services or the provision of or failure to provide support services or otherwise in connection with any provision even if Dearborn Group Inc or any supplier has been advised of the possibility of such damages Limitation of Liability and Remedies Notwithstanding any damages that you might inc
9. HWWWWEMMMNEMEMEEMMMMMM 9 SEE ejI amp deeyice 10 4 1 CHECK YOUR 0044000000 10 42 DIBECT AGONNEGTION Saee sce che A EE M 10 4 3 BATRERY STATUS 10 4 4 enm E E m E M tec esses 10 5 PRODUCT SPECIFICATIONG cccscccsssccsssccsssccnsscenseseesssessnensssensssesssenssneassegeneoasseasnensesenaenecaeseosenensesensesenaess 11 5 1 TEGHNIGAL SPEGIFIGCAT IONS E 4 M u 11 5 2 VEHICLE BUS CONNECTOR PINOUT 12 6 BATTERY REPLACEMENT 13 7 LENGTH CALCULATION FOR LONGER CABLES 14 8 TECHNICAL SUPPORT AND RETURN MERCHANDISE AUTHORIZATION 15 8 1 TECHNICAL SUPPORT ssccsscesssesssasccosecosesesasencsesesesesusnseccsesssesssuncseaseeesnssunnacsesesesosssasnaesesssesssnansacssesosessannsenssesssesssnansacesesssses 15 8 2 RETURN MERCHANDISE AUTHORIZATION RMA ceccecceceeseeeeceeceseeseeseceeceeesaeeaeceecececaecseceseaecaeseeseaeeaeeaeseeseeseaeeateaeeeeees 15 9 WARRANTY INFORMATION AND LIMITATION
10. N FD should read further To evaluate a fiber length for an application comprehension of bit timing including the device delay and programmed CAN sample point timing is required The following figure shows the delays associated with the Gen Il Fiber Optic Bridge and associated devices Following that is an example calcultaton for 500kbps CAN showing a typical margin of 535ns when operating over 50M of fiber Bridge 2 1 Fiber Bridge 1 aai Wall Wart Power Supply Chamber Wall Virtual Connection Typical timing T A 500kbps with of fiber DUO GES DSE GENS ANUS PETIS QUU REN PEDO MARS VOTUM QNUM fh Spare 875 bit time TE dly Cop 1 dly FO 1 dly Fiber delay FO 2 delay 2 4 DUT dly DUT dly cop 2 dly FO 2 dly fiber dly FO 1 dly diy TE dly Spare 3750ns 60ns 5ns 95ns 250ns 95ns 5ns 60ns 6 ns 5ns 95ns 250ns 95ns 5 ns 50 5 610ns spare The above calculation is made for 500kbps CAN with 50 Meters of fiber The analysis is for the time to send a data frame from the Test Equipment to the DUT plus the return time for the ACK This all has to happen within the sample period of the CAN bus bit time In this case 87 5 of a bit time Similar calculations can be made for 1Mbps CAN over 10M fiber or for other fiber lengths For CAN FD timing it is only
11. cle Power Vehicle Battery 5 1 10 6 15 11 DE 15S Female Socket Front View Page 12 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 6 Battery Replacement The Gen II Fiber Optic Bridge contains a Lithium Ion battery pack This battery pack is not user serviceable The one year battery warranty includes replacement coverage for a defective battery Contact DG Technologies technical support if warranty service or battery replacement is required If the Gen II Fiber Optic Bridge it is out of warranty please contact DG Technologies for current pricing of battery replacement service DG Technologies disposes of all batteries in an environmentally friendly manner Page 13 of 16 O 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 7 Length Calculation for longer cables The Gen II Fiber Optic Bridge has been tested to operate with fiber optic cables up to 50M in length However it is important to consider the protocol when selecting a fiber length For example the signaling for 1Mbps CAN cannot afford the delay associated with traversing 50M in any media If using LOW or HIGH speed SWCAN the bit timing is slow enough that there is no need to be concerned with a detailed length calculation 500kbps CAN generally does not tax the Gen II Fiber Optic Bridge and can be connected through 50M of fiber Users of 1Mbps CAN and CA
12. electable bus termination choices that you may choose are None There is no additional termination switched onto your bus 120 Ohm A 120 Ohm termination resistor is switched onto your vehicle bus from within your Gen II Fiber Optic Bridge 60 Ohm split The circuit shown in the figure below is switched onto your vehicle bus from within your Gen II Fiber Optic Bridge R33 1 60 4 R32 1 60 4 ohm 4700pf C120 J3 Vehicle Connector Page 8 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual ISO 15765 4 The circuit shown in the figure below is switched onto your vehicle bus from within your Gen Il Fiber Optic Bridge CAN TXD gt gt CAN RXD Internal CAN signals J3 GND C20 C16 Vehicle Connector 3 6 Setting the SWCAN termination rotary switch The SWCAN rotary switch provides functional support only if you are using the SWCAN vehicle bus The selectable SWCAN bus termination choices that you may choose are STD High Speed Choose this setting if you are running 83 3 Khz or higher SWCAN The standard 6 49K Ohm load resistor is in the circuit There is no additional termination switched onto your bus You should add any necessary additional termination to your vehicle bus STD low speed Choose this setting if you are running 33 3 Khz SWCAN The standard 6 49K Ohm load resistor is i
13. idges will use the same settings If both cables are connected properly the LED display on each Gen II Fiber Optic Bridge will flash BLUE RED at approximately 4 Hz If one of the LEDs fail to flash may be stuck either BLUE or RED replace the fiber cable attached to the port labeled Fiber IN dark grey one on the back of the non flashing unit If the LED fails to flash on both ends the cables may have been connected incorrectly While in fiber test mode you can test a single fiber by using it to temporarily connect the IN and OUT ports on a single Gen II Fiber Optic bridge Note This is not an extensive cable quality test It may be used to establish correct connection and to check for broken fiber Page 10 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 5 Product Specifications The following table shows the technical specifications for the Gen II Fiber Optic Bridge 5 1 Technical specifications Supported Protocol CAN 125 Kbps CAN 500 Kbps CAN 1 Mbps CAN FD 5 Mbps Data 1 Mbps arbitration SWCAN 33 3 Kbps SWCAN 33 3 Kbps with high voltage wakeup signaling SWCAN 83 3 Kbps DC Power Input Jack 2 5 mm center positive Power Sources 100V 240 VAC with wall supply provided 1 Internal Lithium Ion non replaceable battery 2 Vehicle Battery Input 9 to 26
14. if your bridge is running on internal batteries If the provided power supply powers the Gen II Fiber Optic Bridge you will not need to provide a connection to Vbatt If you will be using the bus termination provided by the bridge you are done If you prefer to wire your own termination be sure to set the bridge for no termination and attach the appropriate termination components to your cables 3 3 Connecting power For use of the Gen Il Fiber Optic Bridge unit while located within a test chamber it is recommended that you use the units internal battery power No external power connection is needed for CAN while Vbatt is needed for SWCAN If you want to construct your own DC power cable to power the Gen II Fiber Optic Bridge from a battery in the chamber be sure to use the correct polarity of the DC adapter When the provided power supply is connected to the Gen II Fiber Optic Bridge the internal battery will be charged It is permissible to leave the wall supply on indefinitely For this reason it is recommended that the Gen II Fiber Optic Bridge located outside the chamber always be powered by an external power supply This will allow one bridge to remain charged and ready for battery operation 3 4 Setting the bridge power rotary switch The figure below shows the three rotary switches located on the end cap of each bridge The Power Mode switch is labeled OFF CAN SWCAN and Option Page 7 of 16 2014 DG Technologies
15. n the circuit There is no additional termination switched onto your bus You should add any necessary additional termination to your vehicle bus Tool High Speed Choose this setting if you are running 83 3 Khz or higher SWCAN An additional 130 ohms to ground termination is switched onto your vehicle bus from within your Gen II Fiber Optic Bridge Tool Low Speed Choose this setting if you are running 33 3 Khz SWCAN An additional 130 ohms to ground termination is switched onto your vehicle bus from within your Gen Il Fiber Optic Bridge 3 7 Starting communication You may now initialize your network devices and allow communication to proceed Page 9 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 4 Troubleshooting The Gen II Fiber Optic Bridge does not require any special connection or power up sequencing If you are having trouble setting up the Gen II Fiber Optic Bridges below are some common items that should be checked prior to contacting technical support 4 4 Check your setup Fiber connected properly Fiber OUT on one unit should connect to fiber IN of the other Test your fiber using the built in fiber test feature The Bridge units should be powered ON Look for the green or blue LED indicator Check the termination switches on your bridge units If you selected no termination be sure the proper termination is added to your vehicle cable 4 22 Direct
16. nd User Manual 9 Warranty Information and Limitation Statements 9 1 Warranty information The DG Technologies Gen II Fiber Optic Bridge is warranted against defects in materials and workmanship for one 1 year following date of shipment Batteries are warranted for one 1 year Cables are warranted for ninety 90 days DG Technologies will at its option repair or replace at no cost to the customer products which prove to be defective during the warranty period provided the defect or failure is not due to misuse abuse or alteration of the product The customer is responsible for shipment of the defective product to DG This warranty does not cover damage to any item that Dearborn Group Inc determines has been damaged by the customer s abuse misuse negligence improper assembly modification or operation of the product A Return Merchandise Authorization RMA number must be issued to the customer by our Technical Support Department at 248 888 2000 and must be included with the product being returned for more details see section Heturn Merchandise Authorization RMA Gen II Fiber Optic Bridge is warranted for 90 days after a warranty repair or to end of the original factory warranty period whichever is longer 9 2 Limitation statements 2 9 2 2 9 2 3 9 2 4 925 9 2 6 General Limitation and Risk Assignment To the maximum extent permitted by applicable law Dearborn Group Inc and its suppliers
17. necessary to consider the more relaxed response time so you may observe greater time margin for CAN FD than for 1Mbps CAN Page 14 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 8 Technical Support and Return Merchandise Authorization RMA 8 1 Technical Support If users are unable to resolve technical issues using the troubleshooting and validation procedures please feel free to contact DG technical support For users in the United States technical support is available from 9 a m to 5 p m Eastern Time You may also fax or e mail your questions to us For prompt assistance please include your primary telephone number Users not residing in the United States should contact their local DG representative DG Technologies Technical Support Phone 248 888 2000 Fax 248 888 9977 E mail techsupp dgtech com Web site www dgtech com 8 2 Return Merchandise Authorization RMA Should technical support determine that there may be a physical problem with the Gen II Fiber Optic Bridge RMA number will be issued Return the product along with any documentation of ownership proof of purchase price to the following address for repair or replacement Product Service Repairs Attn RMA xxxxxxx DG Technologies 33604 West 8 Mile Road Farmington Hills MI 48335 Page 15 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation a
18. r optic cable other than what was provided with your Gen II Fiber Optic Bridge kit please consult the specification section at the end of this document to ensure compatibility There are two SMA 905 fiber connectors found on each bridge unit One is light grey and is labeled Fiber Out The other is dark grey and is labeled Fiber In Using the POF cable pair supplied with the Gen II FO Bridge simply connect the Fiber OUT from one unit to the Fiber IN of the other Connect both fiber cables this way 3 2 Connecting the vehicle bus to each bridge The Gen II Fiber Optic Bridge connects to vehicle networks through a high density 15 pin socket connector DE 15S The vehicle bus of the Device Under Test DUT should be connected to the DE 15S connector located on the bridge inside the test chamber The vehicle bus of the monitoring equipment should be connected to the DE 15S connector located on the bridge outside the test chamber Please consult the specification section of this document for the pin out of the DE 15S connector For ease and convenience the pin out can also be found on the product labeling located on the unit For CAN applications you will need only to connect CAN H and CAN L For SWCAN applications you will require the connection of the SWCAN bus and Ground signals If you will be sending Wake Up frames on SWCAN you will need to connect an external 12V battery to the Vbatt pin on the DE 15S connector This is only necessary
19. up to 1 Mbps Compatibility with CAN FD with up to 1 Mbps arbitration phase and 5 Mbps data phase Compatibility with SWCAN including high voltage wake up function Internal rechargeable battery provides 12 hours of uninterrupted operation May be operated with the included power supply Can be recharged while in operation Inside of Test Chamber Outside of Test Chamber Wall Wart Power Supply Chamber Wall Virtual Connection Figure 1 Gen II Fiber Optic Bridge Typical Application Page 5 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual Standards and Protocols Supported 2 1 1 Vehicle Networks Supported CAN ISO 11898 Networks o 125k bps o 500k bps o 1M bps SW CAN SAE J241 o 33 33k bps to 40k bps o 83 33k bps up to 100 kbps o Accurately pass High Voltage Wakeup Frames CAN FD ISO 11898 7 o Up to 5Mbps payload phase using 10 Meter cable Page 6 of 16 2014 DG Technologies Gen II Fiber Optic Bridge Installation and User Manual 3 Getting Started with the Gen II Fiber Optic Bridge The following steps will have you up and running an a few short minutes 3 4 Connecting the bridges together Please reference the figure 1 above Gen II Fiber Optic Bridge Typical Application when performing these steps Note The Gen II FO Bridge is supplied with a pair of Polymer Optical Fiber POF cables If you wish to use a fibe
20. ur for any reason whatsoever including without limitation all damages referenced above and all direct or general damages in no event shall the liability of Dearborn Group Inc and any of its suppliers exceed the price paid for the device The user assumes the entire risk and liability from the use of this device Right to Revise or Update without Notice Dearborn Group Inc reserves the right to revise or update its products software and or any or all documentation without obligation to notify any individual or entity Governance The user agrees to be governed by the laws of the State of Michigan USA and consents to the jurisdiction of the state court of Michigan in all disputes arising out of or relating to the use of this device Contact Please direct all inquiries to DG Technologies 33604 West Eight Mile Road Farmington Hills MI 48335 Phone 248 888 2000 Fax 248 888 9977 Page 16 of 16 2014 DG Technologies
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