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1. 2 1 21 2 Pin Assignments vost oi ap at Eee eade Re i es qe Roe td yu 2 2 2 1 3 Plug Source Information 2 3 2 2 Cable Information adalate dias ERIT REA ig 2 3 2 39 Input Sighals 5 bs peut madidus eb me E a tne 2 4 2 3 1 ExSync Controls Line Readout and Exposure Time 2 4 2 3 1 1 RS 644 RS 422 Compatibility 2 4 2 4 Output Signals gai eode e ERA Event editore eS 2 5 2 4 1 Channel Link 2 5 2 4 2 Channel Link Implementation in A300b 2 6 2 4 9 Pixel Clock 2er Oe ER ERR ea tee he eh ats 2 8 2 44 Frame Valid Bit 0 oratia roua an ea ea a a E 2 8 2 4 5 Line vald Bi e ense Rey ee ER EE esd a oe REA Gdns 2 8 24 6 Video Data zose bends gov eh dr p p a 2 8 2 4 7 Video Data Output 2 10 2 4 7 1 Operation in Dual 10 Bit or Dual 8 Bit Output Mode 2 10 2 5 RS 232 Serial Communication liliis 2 13 2 5 1 Making the Serial 2 13 2 6 DG POWE a ieu ET EBERT Re ge IS SR 2 13 2 Status LEDS ous robur VEA Wha soa ique edat 2 14 2 8 Converting Channel Link Video Output to RS 644 with a BIC 2 14 BASLER A300b Series 3 Basic
2. om F Mount Adapter Figure 5 3 F Mount Adapter Dimensions in mm BASLER A300b Series on an A300b ct 7 PHOTOSENSITIVE SURFACE OF CCD 5 3 Mechanical Considerations 5 4 5 5 Positioning Accuracy of the Sensor Chip Positioning accuracy of the sensor chip in the horizontal and vertical direction is 0 3 mm Rotational positioning accuracy is as shown in Figure 5 4 Reference position is the center of the camera housing Since the translatory and rotational positioning tolerance depend on each other the worse case of maximum rotational and horizontal vertical mis positioning can not occur at the same time 14 Le Figure 5 4 Rotational Positioning Accuracy Maximum Lens Thread Length Caution When a C mount lens is used on an 01 or an A302bc the thread length the lens must be less than 7 5 mm If a lens with a longer thread length is used the camera will be damaged and will no longer operate As shown in Figure 5 5 when a C mount lens is used on an A30lbc or an A302bc the thread length on the lens must be less than 7 5 mm The 01 and the A302bc are equipped with an internal IR cut filter If a lens with a longer thread length is used the IR cut filter will be damaged or destroyed and the camera will no longer operate Cameras
3. 1 4 startup pointer explained vi sr peed vk eee es 3 30 setting with binary commands 4 25 status checking with binary commands 4 26 checking with the yellow LED 6 1 T temperature requirements BIC S A 3 camera coser mea Ba nee 1 5 test image explained 3 29 setting with binary commands 4 19 timer 1 explained 3 4 3 6 setting with binary commands 4 11 timer 2 explained deeem enm 3 6 setting with binary commands 4 11 troubleshooting 6 1 troubleshooting chart interfacing xb eee eee 6 5 no Image x 0 BA ds de ek 6 2 poor quality image 6 4 RS 232 serial communication 6 7 BASLER A300b Series U user sets copying to the work set 4 23 explained secs aa sede a dete 3 30 V ventilation us cene ge ds A 3 Calera ccce aac IEEE EX E 1 5 video data output mode s explained 2 10 setting with binary commands 4 9 weight vise esu be boas Res A 2 Calera cope e rr 1 2 work set copying to a user set 4 24 explained ze lea eri atakea lu i 3 30 relationship to the config tool 4 2 write command error checking
4. Line Y 1 Line Y 2 Line Y 3 Line Y 4 Line Y 5 Line 6 Line 5 Line 4 Line 3 Line 2 Line 1 Pixel 1 2 3 4 5 6 X3 X2 gt lt TX X 658 A301bc or 782 A302bc Figure 3 3 Bayer Filter Pattern 3 1 1 1 Integrated IR Cut Filter on C Mount Equipped Cameras Cameras equipped with a C mount lens adapter contain an IR cut filter inside of the camera The location of the IR filter limits the thread length of the lens that is used on the camera See Section 5 5 for more details on lens thread length Cameras equipped with an F mount lens adapter do not contain an IR cut filter BASLER A300b Series 3 3 Operation and Features 3 2 3 4 Exposure Time Control Mode Basics A300b cameras can operate under the control of an external trigger signal ExSync or can operate in free run In free run the camera generates its own internal control signal and does not require an ExSync signal 3 2 1 ExSync Controlled Operation In ExSync operation the camera s frame rate and exposure time are controlled by an externally generated ExSync signal The ExSync signal is typically supplied to the camera
5. 1 2 free run explained is snl e 9 Ree Les 3 6 setting with binary commands 4 10 functional description BIG vii fh eee ee rer CUPRERE Un A 1 camera xtv ee Pe es eS 3 1 FVAL Ree Pa ee ae tes A 11 G gain explained eae EE 3 13 setting with binary commands 4 17 4 18 H humidity requirements ei ee pla xA ADAE eas A 3 camera ore Shee epee Shek pe ved ee 1 5 input signals to the BIC sole ip bie eee A 11 tothe camera 2 4 installing the camera with a BIC A 17 the configuration tool A 20 interfacing the A 4 interfacing the camera 2 1 IR cut filter eed 1 4 3 3 5 4 L LEDs onthe A 4 A 16 the 2 14 6 1 lens thread length 5 4 level controlled exposure mode explained 3 4 3 6 setting with binary commands 4 10 EVAL inen pee Pe ae ERE RAW A 11 M microcontroller firmware version reading with binary commands 4 20 model number viewing with commands 4 21 model settee Sp de RD 4 3 mounting facilities 5 1 offset explained ip IR 3 13 setting with binary commands 4 17 4 18 output mode see video data output mode s output si
6. BASLER A300b Series 6 7 Troubleshooting Serial Communication Chart B with a BIC Always switch off power to the system before making or Check the COM port that you are using for breaking any connection serial communications Make sure that the port _ is set for 8 data bits no parity 1 stop bit and No Correct the settings and then 9600 baud restart your computer After the port settings correct Yes Check the PC and make sure that the serial cable is plugged into the correct connector On PCs with multiple serial port connectors it is easy to plug the cable into the No Change the connection wrong connector Is the cable plugged into the correct connector on the PC Yes Check the wiring on the serial cable between the computer and the BIC This cable should be a null modem cable and should be wired as shown on page A 10 Also make sure that the cable is no longer than 15 meters Is the cable the correct length and is it wired correctly Yes Try using a different COM port on your computer For example if you have been using COM port 1 try using COM port 2 instead When you do this make sure that the port is set for 831 and 9600 baud Also make sure that the serial cable is plugged into the correct connector on the computer Be sure to restart your computer after you make the port change Is the problem still present after you changed the port Yes Contact Basl
7. opening the tool refresh button camera status see status channel link explained implementation information cleaning the camera and sensor C mount adapter commands see binary commands configuration sets explained manipulating with binary commands configuration tool see camera configuration tool BASLER A300b Series configuring the camera with binary commands 4 4 with the config tool 4 2 D data output mode see video data output mode s digital shift explained 2e ea eee pE vun 3 21 setting with binary commands 4 12 dimensions i5 ex xke ES 5 1 JC A 21 Camera ius dreri er epee 5 2 C mount adapter 5 3 F mount adapter 5 3 E environmental requirements BI Cy sexo d dei ated spat A 3 camera iiu AA ae eae ae 1 5 exposure time relation to exp time control modes 3 4 3 12 exposure time control mode s explained 3 4 setting with binary commands 4 10 ExSync signal A 11 explained 2 4 3 4 RS 644 specs for 2 4 F factory set copying to the work set 4 23 explained 2 aus 3 30 F mount adapter 5 3 frame rate basic specification
8. 224 us A302b Sus SD E Line 1 Line 2 Line Y LVAL L pn Y 494 A301b or 582 A302b at Pret XC KEKE XXX Data 8 bits Even Pixel XX KE KOK KK KK XXX MK Data 8 bits N 658 A301b or 782 A302b The diagram assumes that the area of interest feature is not being used With the area of interest feature enabled the number of lines transferred and the number of pixels in each line could be smaller Figure A 6 Dual 8 Bit Output Mode with Level Controlled Exposure end of Q programmed time x 11 92 ms A301b 16 37 ms A302b gt 1k FVAL ll 5 8 us A301b 18 3 us A301b A 19 0 us A301b 6 1 us A302b 22 0 us A302b I 22 4 us A302b le Line 1 Line 2 Line Y LVAL 494 A301b or 582 A302b eC Pret Data 8 bits Even XXXI Pixel lt X X X2 X4 X XM 2XN x X X X2 Xs DO DO i X Data 8 bits N 658 A301b or 782 A302b The diagram assumes that the area of interest feature is not being used With the area of interest feature enabled the number of lines transferred and the number of pixels in each line could be smaller Figure A 7 Dual 8 Bit Output Mode with Programmable Exposure A 13 Using the BIC A 14 A 4 3 RS 644 LVDS Information All video data and con
9. Figure 3 1 A300b Sensor Architecture Micro controller Control AOI Exp Time Gain amp Offset Redes Odd Line Readings analog VGC amplified amp digitized A D Converter Control Gain amp Offset Image Data Channel Image Data Link CCD Sensor Even Line i i Transmitter Readings Even Line Readings analog VGC amplified amp digitized AID i Converter Control Gain amp Offset Control AOI Exp Time Figure 3 2 A300b Block Diagram 3 2 BASLER A300b Series Operation and Features 3 1 1 Color Creation in the A301bc and the A302bc The CCD sensors used in the A30lbc and the A302be are equipped with an additive color separation filter known as a Bayer filter With the Bayer filter each individual pixel is covered by a micro lens which allows light of only one color to strike the pixel The pattern of the Bayer filter is shown in Figure 3 3 As the figure illustrates in each block of four pixels one pixel is struck by red light one is struck by blue light and two pixels are struck by green light Since each individual pixel gathers information on only one color an interpolation must be made from the surrounding pixels to get full RGB data for the pixel A DLL that can be used to convert the output from the A301bc or the A302bc into RGB color information is available through Basler support Y 494 A301bc or 582 A302bc Line Y
10. zLNOXY LLNOXY OLNOXY eNIXH ONIXH ENIXY NIXH NDETOXS NDETOXH J9NI922M XUI Jouueuj NIMTOXL lt lt 1g ea lt Ig eie Ig eieg ea lt 89 ea lt Ig eieg I peAiesey lt ewes lt eur exid exid exid exid exid exid jooo ig eiea Iexid e H OINOXL ZENIXL lt 2q 8XId ONIXH Inox 8v N TRO Fe 0nox 9INIXL ho 001 GLNIXL lt 118 vi LLMOXL PENIXL lt 18 8XId LNIXH X 9r FINES SL Een gp L0OXL LNIXL lt 18 2q Iexid 0 001 ZENIXL lt 8q Iexid G ZLNOXL LLNIXL lt i8 8XId ZNIH x 22 n d 9 a ZLNOXL OLNIXL amp exea Ioxid ho 001 6NIXL 118 Iexid 1 1noxL SNIXL exea rexid NIXH z X 8 SENDS 8 E jg 81101 ZNIXL iexid looo ONIXL 118 8q Iexid 9L LnOMTOXL SNIXL 18 exea NDITOXH LNOMTOXL Ot 4 L Hnn ec LNOMTOXL PNIXL exea ENIXL ZNIXL i8 10j29uuo2 Id GH LNIXL 4 8q Iexid Bn ans a ONIXL 9Z 49jjrusueJ jauueYyD Joqqe1c owel4 elame 2 7 BASLER A300b Series Camera Interface 2 8 2 4 3 Pixe
11. signal up or down the measurement scale but does not Figure 3 13 Gain change the signal amplitude The default gain and offset are set so that with optimal lighting and exposure the linear output range of the input CCD sensor maps to the input range of the ADC Under signal these conditions black will produce a gray value of 1 19 M from the ADC and white will produce a gray value of 254 in 8 bit output mode or 1023 in 10 bit output mode increasing offset moves the input signal up the measurement scale For most applications black should have a gray value of 1 and white should have a gray value of 254 in 8 bit output mode or 1023 in 10 bit output mode Attempt offset to achieve this by varying exposure and illumination x rather than changing the camera s gain The default light intensity uJ cm gain is the optimal operating point minimum noise and should be used if possible Figure 3 14 Offset Internally A300b cameras process odd and even lines separately in two different data channels see Figure 3 1 Consequently gain must be adjusted separately for the odd lines and for the even lines Due to variations in the camera s electronics the gain needed on the odd channel to correctly map the output from the VGC to the input of the ADC may be different from the gain needed on the even channel Gain balance between the odd and even channels is important to maintain uniform output data with minimal gra
12. 01 the starting line setting can range from 0x0000 to OxO1ED For the A301b or the A301bc the starting line setting can range from 0x0000 to 0x0245 When using binary commands the starting line n 1 where n is the setting made using this binary command For example if you wish to define line 100 as starting line set 99 with the help of this command See Section 3 7 1 for a list of rules which must be followed when entering the set tings for the area of interest BASLER A300b Series 4 15 Configuring the Camera 4 2 4 9 Area of Interest Height in Lines Purpose To set the height in lines for the area of interest or to read the current setting See Section 3 7 for details on the area of interest Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data OxAA 1 2 Response Cmd ID R W Flag Data Length Data OxAA 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data OxAA 0 2 2 Bytes Response None Data Format Byte 1 Low byte of the height in lines setting Byte 2 High byte of the height in lines setting Data Range For the A30lb or the A30lbc the height in lines setting can range from 0x0001 to OxO1EE For the A302b the A302bc the height in lines setting can range from 0x0001 to 0x0246 See Section 3 7 1 for a list of rules which must be followed when entering the set tings for the area of interest Co
13. A 4 2 2 LVAL Indicates a Valid Line Line valid LVAL indicates a valid line of data as illustrated in Figures A 6 and A 7 Video data is only valid if LVAL is high A 4 2 3 Pixel Clock Indicates a Valid Pixel Pixel clock PClk indicates a valid pixel of data as illustrated in Figures A 6 and A 7 The FVAL LVAL and PClk signals are used to clock the digital video output data into external circuitry Digital data is valid on the rising edge of pixel clock with FVAL and LVAL high The frequency of the pixel clock output from the BIC is 18 MHz A 4 2 4 Video Data The assignment of pixel data bits to the output pins of the BIC is shown in Table A 5 Section A 4 2 5 describes the data output sequence d The A300b camera attached to the BIC must be set for Dual 8 Bit output mode The BIC can not accept Dual 10 Bit output from the camera BASLER A300b Series A 11 Using the BIC A 12 A 4 2 5 BIC Operation with Attached Camera in Dual 8 Bit Output Mode When the camera attached to the BIC is operating in Dual 8 Bit output mode the pixel clock output from the BIC will be 18 MHz On each clock cycle the BIC will transmit 8 bits of data for two pixels The assignment of the bits is shown in Table A 5 Video Data Sequence When the camera is not transmitting valid data the frame valid and line valid signals on each cycle of the pixel clock will be low Once the camera has completed frame acquisition it will begin t
14. BASLER A300b User s Manual Document ID Number DA041002 Revision Date July 13 2001 Subject to Change Without Notice Basler Vision Technologies Basler Support Worldwide Americas 1 877 934 8472 Europe 49 4102 463 500 Asia 65 425 0472 vc support usa baslerweb com vc support europe baslerweb com vc support asia baslerweb com www basler vc com For customers in the U S A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communica tions Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment The shielded interface cable recommended in this manual must be used with this equipment in order to comply with the limits for a computing device pursuant to Subpart J of Part 15 of FCC Rules For customers in Canada This apparatus complies with the Class A limits
15. 4 6 example 4 7 BASLER A300b Series
16. 4 Tied to pin 6 internally Signal Gnd Input Ground Signal Ground 6 Tied to pin 4 internally 7 Tied to pin 8 internally 8 Tied to pin 7 internally 9 Not Connected Table A 3 Pin Assignments for the D sub 9 pin Plug The subminiature round 4 pin plug on the back of the BIC is used for input power The pin assignments for the plug are shown in Table A 4 NEMUS Signal Direction Level Function 1 DC Gnd Input Ground DC Ground 2 Tied to pin 1 internally 3 24 VDC Input 24 VDC 10 DC Power input for the BIC 4 Tied to pin 3 internally Table A 4 Pin Assignments for the Subminiature Round 4 pin Plug BASLER A300b Series Using the BIC The D Sub HD 44 pin receptacle on the back of the BIC is used to interface video data and control signals with the frame grabber The pin assignments for the receptacle are shown in Table A 5 MELLE Tanal Direction Level Assignment 1 DOUT 0 Output RS 644 LVDS Odd Pixel Bit 0 2 DOUT 1 Output RS 644 LVDS Odd Pixel Bit 1 3 DOUT 2 Output RS 644 LVDS Odd Pixel Bit 2 4 DOUT 3 Output RS 644 LVDS Odd Pixel Bit 3 DOUT 4 Output RS 644 LVDS Odd Pixel Bit 4 6 DOUT 5 Output RS 644 LVDS Odd Pixel Bit 5 7 DOUT 6 Output RS 644 LVDS Odd Pixel Bit 6 8 DOUT 7 Output RS 644 LVDS Odd Pixel Bit 7 MSB 9 DOUT 8 Output RS 644 LVDS Even Pixel Bit 0 10 DOUT 9 Output RS 644 LVD
17. Data Format Byte 1 Low byte of the Timer 1 setting Byte 2 Mid byte of the Timer 1 setting Byte 3 High byte of the Timer 1 setting Data Range Timer 1 settings can range from 0x000001 to OxFFFFFF us 4 2 4 4 Timer 2 Purpose To set Timer 2 or read the current Timer 2 setting Timer 2 is used when the camera is operating in free run mode See Section 3 2 for details Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data OxA7 1 3 Response Cmd ID R W Flag Data Length Data OxA7 0 3 3 Bytes Write Command Cmd ID R W Flag Data Length Data OxA7 0 3 3 Bytes Response None Data Format Byte 1 Low byte of the Timer 2 setting Byte 2 Mid byte of the Timer 2 setting Byte 3 High byte of the Timer 2 setting Data Range Timer 2 settings can range from 0x000001 to OxFFFFFF us BASLER A300b Series 4 11 Configuring the Camera 4 12 4 2 4 5 Digital Shift Purpose To enable or disable digital shift See Section 3 6 for an explanation of digital shift Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data OxA5 1 1 Response Cmd ID R W Flag Data Length Data 0xA5 0 1 1 Byte Write Command Cmd ID R W Flag Data Length Data 0xA5 0 1 1 Byte Response None Data Format Byte 1 An ID that specifies the digital shift status see the table below ID Digital Shift 0x00 No digital shift 0x01 Digital shift once multiples output 2X 0x02 Digital sh
18. Purpose To set the width in columns for the area of interest or to read the current setting See Section 3 7 for details on the area of interest Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data OxAB 1 2 Response Cmd ID R W Flag Data Length Data OxAB 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data OxAB 0 2 2 Bytes Response None Data Format Byte 1 Low byte of the width in columns setting Byte 2 High byte of the width in columns setting Data Range For the A301b or the A30lbc the width in columns setting can range from 0x0001 to 0x0292 For the A302b or the A3S02bc the width in columns setting can range from 0x0001 to 0 0030 See Section 3 7 1 for a list of rules which must be followed when entering the set tings for the area of interest BASLER A300b Series Configuring the Camera 4 2 4 8 Area of Interest Starting Line Purpose To set the starting line for the area of interest or to read the current setting See Section 3 7 for details on the area of interest Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0xA8 1 2 Response Cmd ID R W Flag Data Length Data 0xA8 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data 0xA8 0 2 2 Bytes Response None Data Format Byte 1 Low byte of the starting line setting Byte 2 High byte of the starting line setting Data Range For the A301b or the
19. With binary commands you must use the Exposure Time Control Mode command to select the free run programmable mode You must also use the Timer 1 command to set Timer 1 and the Timer 2 command to set Timer 2 Timer 1 plus Timer 2 The sum of the Timer 1 setting plus the Timer 2 setting must be greater than the minimums shown in the table below d In the free run mode the period of the internal control signal is equal to the sum of A302bc A302b A302bc 12 5 ms 12 5 ms 16 66 ms 16 66 ms The minimum setting for Timer 1 is 1 us The minimum setting for Timer 2 is 1 us BASLER A300b Series Operation and Features 3 3 Exposure Time Control Modes in Detail 3 3 1 ExSync Level controlled Mode with Exposure Start After Image Transfer Frame Valid Low EXSYNC d4 exposure gt 56ns gt 14 187 us Frame EN Valid 1 19 0 us A301b 114 224 ps A302b Line 2 341 23 4 Valid N 494 A301b i gt 582 A302b 1 E Uo mi effective exposure 24 1 us A301b gt 28 1 us A302b 23 US ia Discharge _ 2 9 us ri i 2 8 us Readout Figure 3 7 ExSync Level controlled Mode Exposure Start with Frame Valid Low The falling edge of ExSync begins exposure At the start of exposure a single 2 3 us discharge pulse is g
20. 0x43 0x82 1 0x03 0x43 0x82 0xC1 0x03 is the STX The STX is always 0x02 is the first byte of the descriptor The first byte of the descriptor is the command ID Command IDs can be found in the tables on pages 5 9 through 5 27 If you check the table on page 5 26 you will find that the ID for the camera status read command is 0x43 is the second byte of the descriptor The MSB in this byte represents the read write flag and since this is a read command the bit should be set to a 1 The other seven bits of this byte represent the data size in bytes that will be transferred using this command If you check the table on page 5 26 the data size for the camera status command is 2 bytes So the arrangement of the bits in the second byte of the descriptor should be 1000 0010 which translates to 0x82 Note that for read commands the data size specified in the descriptor represents the number of bytes of data that you expect to see in the response No data bytes are actually included in the read command is the block check character BCC See page 5 8 for instructions on calculating a BCC is the ETX The ETX is always 0x03 4 2 3 2 Write Command An example of the command message used to copy the Work Set to User Set 2 is 0x02 0x02 0x46 0x01 0x02 0x45 0x03 BASLER A300b Series 0x46 0x01 0x02 0x45 0x03 is the STX The STX is always 0x02 is the first byte of the descrip
21. 1 Byte The value of the ETX byte is always 0x03 ACK NAK Response Positive frame acknowledge negative frame acknowledge Size 1 byte The value for a positive frame acknowledgement is 0x06 and for a negative frame acknowledgement is 0x15 All values are formatted as little endian Intel format BASLER A300b Series 4 5 Configuring the Camera 4 6 4 2 2 Error Checking 4 2 2 1 ACK NAK When the camera receives a frame it checks the order of the bytes in the frame and checks to see if the XOR sum of the bytes in the descriptor and the data fields matches the block check character The camera also checks to see if the number of bytes in the data field is equal to the number specified in the descriptor If all checks are correct an ACK is send to the host If any check is incorrect a NAK is sent 4 2 2 2 Time outs Byte Time out The camera checks the time between the receipt of each byte in the frame If the time between any two bytes exceeds 1 second the camera enters a garbage state and discards any more incoming bytes The camera remains in this state until it sees 1 5 seconds of silence Once the camera sees 1 5 seconds of silence it goes into an idle state looking for an STX 4 2 2 3 Read Command In the normal case when a read command is sent to the camera the camera responds with an ACK and a frame The frame will contain the data requested in the read command If the camera receives a
22. 12 VDC 10 DC Power Output to the Camera 22 TxD Output RS 232 RS 232 Serial Communication 24 RxD Input RS 232 RS 232 Serial Communication 21 231 Signal Gnd Output Ground Signal Ground 11 ExSync Output RS 644 LVDS External Trigger 10 ExSync 13 Reserved Output RS 644 LVDS Reserved LVDS Output 12 Reserved 17 RxClkIn Input Channel Link Receive Clock to Channel Link Receiver LVDS 16 RxClkIn 8 RxDataln3 Input Channel Link Data to Channel Link Receiver LVDS 7 RxDataln3 6 RxDataln2 Input Channel Link Data to Channel Link Receiver LVDS 5 RxDataln2 15 RxDataln1 Input Channel Link Data to Channel Link Receiver LVDS 14 RxDataln1 4 RxDatalnO Input Channel Link Data to Channel Link Receiver LVDS 3 RxDatalnO Pins 1 9 18 19 25 26 21 and 23 are all tied together inside of the BIC Pins 2 and 20 are tied together inside of the BIC Table A 2 Pin Assignments for the D sub HD 26 pin Receptacle The BIC housing is not grounded and is electrically isolated from the circuit boards inside of the BIC BASLER A300b Series Using the BIC The D Sub 9 pin plug on the back of the BIC is used for RS 232 communication between the host computer and the camera The pin assignments for the plug are shown in Table A 3 ae sional Direction Level Function 1 Not Connected 2 RxD Input RS 232 RS 232 Serial Communication 3 TxD Output RS 232 RS 232 Serial Communication
23. 17 4 2 4 11 Odd Line Offset resor iles RI nn 4 17 4 2 4 12 Even Line Gain 4 18 4 2 4 13 Even Line Offset 4 18 4 2 5 Test Image Command rae reee a e EEA SR ess 4 19 4 2 6 Camera Reset 4 19 4 2 7 Query 4 20 4 2 7 1 Read Microcontroller Firmware Version 4 20 4 2 7 2 Read FPGA Firmware Version 4 20 4 2 7 3 Read Vendor Information 4 20 4 2 7 4 Read Model Information 4 21 4 2 7 5 Read Product ID 4 21 4 2 7 6 Read Serial Number 4 21 4 2 7 7 Read Gain and Offset Reference Values 4 22 4 2 8 Commands for Manipulating Configuration 5 4 23 4 2 8 1 Copy the Factory Set or a User Set into the Work Set 4 23 4 2 8 2 Copy Work Set into a 4 24 4 2 8 3 Select the Startup Pointer 4 25 4 2 9 Camera Status 4 26 4 2 10 Bitrate 4 27 5 Mechanical Considerations 5 1 5 1 Camera Dimensions and Mounting Facilit
24. 2 9 us 4 11628 us Readout Figure 3 10 ExSync Programmable Mode Exposure Start with Frame Valid High Whenever a frame is being transferred regularly discharge pulses are generated If ExSync rises while a frame is being transferred it is not possible to generate a discharge pulse asynchronously In this case the start of exposure is shifted to the end of the last regular discharge pulse The discharge pulses during exposure are suppressed The microcontroller detects the shift in the start of exposure and it makes a corresponding shift in the end of the exposure The end of the shifted exposure triggers readout Readout occurs after a delay of 2 9 us Readout takes 2 8 us during which exposure continues Effective exposure 5 7 us n Timer 1 d FVAL must be low for at least 1 ns before the end of the shifted exposure ExSync must remain high for a minimum of 1 us The minimum ExSync signal period is 12 5 ms for the A301b 12 5 ms for the 01 16 66 ms for the A302b and 16 66 ms for the A302bc With very low exposures use flash light to prevent smearing BASLER A300b Series Operation and Features 3 3 5 Free run programmable Mode with Exposure Start After Image Transfer Frame Valid Low control signal period Internal Control _ Exposure 11 Signal Timer 1 gt gt 56 gt i 14 187 us Frame ii
25. Byte Response None Data Format Byte 1 An ID that specifies the data output mode see the table below ID Output Mode 0x01 Dual 8 Bit mode 0x03 Dual 10 Bit mode BASLER A300b Series 4 9 Configuring the Camera 4 2 4 2 Exposure Time Control Mode Purpose To set the exposure time control mode or to read the current exposure time control mode setting See Section 3 2 for an explanation of exposure time control modes Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 1 1 Response Cmd ID R W Flag Data Length Data OxAO 0 1 1 Byte Write Command Cmd ID R W Flag Data Length Data OxAO 0 1 1 Byte Response None Data Format Byte 1 An ID that specifies the exposure mode see the table below ID Exposure Time Control Mode 0x00 Free run Programmable 0x04 ExSync Level controlled 0x05 ExSync Programmable 410000 0 BASLER A300b Series Configuring the Camera 4 2 4 3 Timer 1 Purpose To set Timer 1 or to read the current Timer 1 setting Timer 1 is used when the camera is operating in ExSync programmable mode or in free run mode See Section 3 2 for details Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0xA6 1 3 Response Cmd ID R W Flag Data Length Data 0xA6 0 3 3 Bytes Write Command Cmd ID R W Flag Data Length Data 0xA6 0 3 3 Bytes Response None
26. Byte 1 An ID that specifies the test image see the table below ID Test Image 0x00 No test image 0x01 Test Image gradient pattern 4 2 6 Camera Reset Command Purpose Initiates a camera reset The behavior is similar to a power up reset Type This is a write only command Write Command Cmd ID R W Flag Data Length Data 0x42 0 2 0x07 OxCF Response None Data Format Byte 1 Low byte 0x07 is always used Byte 2 High byte OxCF is always used BASLER A300b Series 4 19 Configuring the Camera 4 2 7 Query Commands 4 2 7 1 Read Microcontroller Firmware Version Purpose To read the microcontroller firmware version Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x40 1 3 Response Cmd ID R W Flag Data Length Data 0x40 0 3 3 Bytes Data Format Byte 1 Low byte of firmware version BCD coded Byte 2 High byte of firmware version BCD coded Byte 3 Protocol Version 4 2 7 2 Read FPGA Firmware Version Purpose To read the FPGA firmware version Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x41 1 3 Response Cmd ID R W Flag Data Length Data 0x41 0 3 3 Bytes Data Format Byte 1 Low byte of firmware version BCD coded Byte 2 High byte of firmware version BCD coded Byte 3 undefined 0x00 is always used 4 2 7 3 Read Vendor Information Purpose To read the camera vendor s name Type This i
27. On typical RS 422 transmitters the output voltage can range as high as 4 0 V As you see the output voltage of a typical RS 422 transmitter can exceed the input voltage tolerance of the RS 644 receiver used in the camera Therefore RS 422 signals should not be input directly into the BIC BASLER A300b Series Using the BIC 9 DOUTO 10 DOUTO BIC DS90LV047A DOUTO DOUT3 2 DS90LV047A 9 FValOut DOUT8 S a NS e NS iuis o N p42 mour DOUT8 CLKin 18 24 Dataln3 20 RxIN3 Dataln3 19 RxIN3 Dataln2 16 RxIN2 RxiN2 DS90LV047A RxIN1 RxIN1 Dataln0 10 RxINO Dataln0 9 RxINO 9 ouT12 ora i Nour pp pours A A Nau 77 15 DS90CF384 FValOut y 4 FValOut DS90LV047A 26 Pin GND S Sub 9 Dours L HD Plug 44 PIN D D SUB i gt Pie pour A 16 DOUT8 15 DOUTS 0880 17 DS90LV047A Dataln0 SyncOut 1 2 3 4 5 6 7 8 9 9 PIN 12 GND D SUB VDC Out GND Figure 8 BIC Power RS 232 and Video Data Connections BASLER A300b Series A 15 Using the BIC A 5 RS 232 Serial Connection As mentioned in Section A 1 1 configuration commands and responses are transmitted between the camera and the host computer via an RS 232 serial connection RS 232 commands and responses are passed through the BIC using a straight thr
28. RAM is lost At the next power on a configuration set is automatically copied into the Work Set The Startup Pointer is used to specify which of the configuration sets stored in the EEPROM will be copied into the Work Set at power on The Startup Pointer is initially set so that the Factory Set is loaded into the Work Set at power on This can be changed using the Camera Configuration Tool or binary commands The Startup Pointer can be set to the Factory Set or to any one of the User Sets So for example if the Startup Pointer is set to User Set 13 then User Set 13 will be copied into the Work Set at power on You can work with configuration sets and the startup pointer using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you can use the Sets Tab to copy the Work Set to a User Set to Copy a User Set or the Factory Set to the Work Set or to set the Startup Pointer With binary commands you use the Copy Work Set to User Set command the Copy Factory Set or User Set to Work Set command and the Select Startup Pointer command to manipulate configuration sets BASLER A300b Series Operation and Features 3 10 Camera Status A300b cameras monitor their status by performing a regular series of self checks The current status of the camera can be viewed in several ways with the Camera Configuration Tool You can use the Status Tab see Section 4 1 and the confi
29. With each cycle of the pixel clock 28 bits of input data are sampled and transmitted The Channel Link receiver converts the data streams back into 28 bits of CMOS TTL data Channel Link was developed by National Semiconductor and is a registered trademark of that company Transmitter Receiver TTL CMOS Data 28 bit TTL CMOS Data 28 bit LVDs to TLL Parallel Transmit Clock Receive Clock Figure 2 4 Channel Link Block Diagram BASLER A300b Series 2 5 Camera Interface 2 4 2 Channel Link Implementation in A300b Cameras A300b cameras use a National Semiconductor DS90C383 as a Channel Link transmitter For a Channel Link receiver we recommend that you use the National Semiconductor DS90CF386 the National Semiconductor DS90CR288 or an equivalent Detailed data sheets for these components are available at the National Semiconductor web site www national com The data sheets contain all of the information that you need to implement Channel Link including application notes The schematic in Figure 2 5 shows the configuration of the output from the Channel Link transmitter in the A300b and a typical implementation for the Channel Link receiver in a frame grabber During normal operation 28 bits of TTL data are input to the transmitter on TX inputs 0 through 27 and the pixel clock is input on TxCLKIN After transmission the 28 bits appear as TTL signals on the corresponding RX outputs of the receiver d Note that the ti
30. a read or write command Read Command Cmd ID R W Flag Data Length Data 0x82 1 2 Response Cmd ID R W Flag Data Length Data 0x82 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data 0x82 0 2 2 Bytes Response None Data Format Byte 1 Low byte of even line gain setting Byte 2 High byte of even line gain setting Data Range Even line gain settings can range from 0x0000 to 0x013F 4 2 4 13 Even Line Offset Purpose Tosetthe offset for the even lines or to read the current even line offset setting See Section 3 5 for more information on offset Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0x86 1 2 Response Cmd ID R W Flag Data Length Data 0x86 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data 0x86 0 2 2 Bytes Response None Data Format Byte 1 Low byte of even line offset setting Byte 2 High byte of even line offset setting Data Range Even line offset settings can range from 0x0000 to OxOSFF BASLER A300b Series Configuring the Camera 4 2 5 Test Image Command Purpose To enable or disable a test image See Section 3 8 for an explanation of the test image Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data OxA1 1 1 Response Cmd ID R W Flag Data Length Data OxA1 0 1 1 Bytes Write Command Cmd ID R W Flag Data Length Data OxA1 0 1 1 Byte Response None Data Format
31. and AMP Part HDP 22 Size 2 26 Position Basler will use plugs from either of these suppliers or the equivalent 2 2 Cable Information The cable between the camera and the frame grabber must meet the specifications shown in Table 2 2 Characteristic Specification Maximum Length 10 meters Individually Shielded Twisted Pair 100 100 Characteristic Impedance Conductor Size 28 AWG Stranded 1 The maximum cable length was tested with a Sumitomo IEE6 99135 cable It will decrease when used in an area with severe ambient electromagnetic interference Table 2 2 Cable Specifications BASLER A300b Series 2 3 Camera Interface 2 3 2 4 Input Signals The ExSync input signal can be used to control the A300b ExSync is an LVDS signal as specified for RS 644 Section 2 3 1 describes the ExSync input signal 2 3 1 ExSync Controls Line Readout and Exposure Time The camera can be programmed to function under the control of an externally generated sync signal in either of two exposure time control modes In these modes level controlled and programmable the ExSync signal is used to control exposure time and frame read out For more detailed information on the two modes see Section 3 2 ExSync can be a periodic or non periodic function The frequency of the ExSync signal determines the camera s frame rate Note that ExSync is edge sensitive and therefore must toggle Minimum high time for the ExSync signal is
32. are not too long It is extremely important to use the proper cables when you are working with Channel Link based cameras Use an ohm meter to check each wire to see of it is broken or shorted to any of the other wires in the cable Examine the terminations on each end of the cable Look for broken pins poor crimps cS or poor solder joints Check the pinout charts that appear in Section 2 1 2 and Section A 2 1 2 of this manual and check the pinout diagrams in your frame grabber manual Make sure that your cables are correctly wired After you checked the cables is the problem still present Yes Contact Basler Technical Support The contact numbers appear on the title page of this manual Before you call for support be sure to make note of the camera settings and the frame grabber settings you are using You should also have a captured live image and a captured test image available Technical support will frequently request that you e mail copies of these captured images 6 6 BASLER A300b Series Troubleshooting 6 2 4 RS 232 Serial Communication Use the serial communication troubleshooting charts if you think that there is a problem with RS 232 serial communication or if you have been directed here from another chart Go to Chart A if you are using the camera without a Basler Interface Converter BIC or go to Chart B if you are using the camera with a BIC Serial Communication Chart A without a BIC Always
33. as changing surface texture or reflectance will produce images that appear noisy Has the problem been corrected Yes Exit this chart No One of the camera s settings was significantly misadjusted Review the camera manual to make sure that you are setting the camera correctly Images have a color problem Other image problems Do the following If most colors look OK but some colors look odd or muddy try using an IR cut filter This only applies to cameras with F mount lens adapters Cameras with C mount lens adapters have a built in IR cut filter If colors appear to be swapped for example things that should be red are green check the x offset and y offset settings on the frame grabber If the captured images appear to be tinted do a white balance Most frame grabbers include a white balance tool Has the problem been corrected Exit this chart Contact Basler Technical Support The contact numbers appear on the title page of this manual Before you call for support be sure to make note of the camera settings and the frame grabber settings you are using You should also have a captured live image and a captured test image available Technical support will frequently request that you e mail copies of these captured images 6 4 BASLER A300b Series Troubleshooting 6 2 3 Interfacing Use the interfacing troubleshooting charts if you think that there is a problem
34. by a frame grabber board You should refer to the manual supplied with your frame grabber board to determine how to set up the ExSync signal that is being supplied to the camera When the camera is operating under the control of an ExSync signal the length of the ExSync signal period determines the camera s frame rate Exsync can be periodic or non periodic When the camera is operating with an ExSync signal it has two modes of exposure time control available level controlled mode and programmable mode n ExSync level controlled mode the exposure time is determined by the time between the falling edge of ExSync and the next rising edge The pixels are exposed and charge is accu mulated only when ExSync is low The frame is read out and transferred on the rising edge of the ExSync signal see Figure 3 4 ExSync Period gt Exposure ExSync Frame Read Out Figure 3 4 ExSync Level controlled Mode n ExSync programmable mode the rising edge of ExSync triggers exposure and charge accumulation for a pre programmed period of time The frame is read out and transferred at the end of the pre programmed period The falling edge of ExSync is irrelevant see Figure 3 5 A parameter called Timer 1 is used to setthe length of the pre programmed exposure period ExSync Period ExSync Exposure Timer 1 Frame Read Out Figure 3 5 ExSync Programmable Mode BASLER A30
35. for radio noise emissions set out in Radio Inter ference Regulations Pour utilisateurs au Canada Cet appareil est conforme aux normes Classe A pour bruits radio lectriques sp cifi es dans le R glement sur le brouillage radio lectrique Life Support Applications These products are not designed for use in life support appliances devices or systems where malfunction of these products can reasonably be expected to result in personal injury Basler cus tomers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Basler for any damages resulting from such improper use or sale Warranty Note Do not open the housing of the camera The warranty becomes void if the housing is opened Table of Contents T Introduction i a ioa Gases Sees ba ERU 1 1 1 1 Camera Models 1 1 1 2 Performance Specifications 1 2 1 3 Environmental Requirements 1 5 1 3 1 Temperature and 1 5 1 3 2 Ventilation oot pate ees che Seanad hae 1 5 1 4 Precautions voee bene GG mex ale iad pes 1 6 2 Camera Interface 2 1 2 1 Connections pemtewineteei SE Res wae ale Rea ated e Ress 2 1 2 1 1 General lt
36. instructions for their use BASLER A300b Series 4 1 Configuring the Camera 4 1 4 2 Configuring the Camera with the Camera Configuration Tool The Camera Configuration Tool is a Windows based program used to easily change the camera s settings The tool communicates via the serial interface and automatically generates the binary programming commands that are described in Section 4 2 For instructions on installing the tool see the CCT installation booklet that was shipped with the camera This manual assumes that you are familiar with Microsoft Windows and that you have a basic knowledge of how to use programs If not please refer to your Microsoft Windows manual 4 1 1 Opening the Configuration Tool 1 Make sure that the serial interface is connected to your camera and that the camera has power 2 To start the Camera Configuration Tool click Start click Basler Vision Technologies and then click Camera Config Tool default installation If start up was successful the Model Tab is displayed If start up was not successful the Connection Tab or a Select Camera dialog box will appear Refer to the CCT installation booklet that was delivered with your camera for possible causes and solutions 4 1 2 Closing the Configuration Tool Close the Configuration Tool by clicking on the X button in the upper right corner of the window 4 1 3 Configuration Tool Basics The RAM memory in the camera contains the set of
37. is greater than the minimum shown in the table on page 4 6 Are the settings OK Correct the settings Yes Yes Check your exposure setting Go to the The exposure time must be Correct Switch on the test image N interfacing less than the ExSync period ae the test image seen o troubleshooting Ings chart Is the exposure OK Yes Yes i Go to the Switch on the test image interfacing Replace Can the test image be seen troubleshooting chart Yes Replace the camera BASLER A300b Series 6 3 Troubleshooting 6 2 2 Poor Quality Image Use this chart if the image is poor quality is completely whi image at all when you attempt to capture an image with appears in Section 6 2 1 Put the camera into test image mode Use your frame grabber to capture an image and examine the image carefully Most frame grabbers include software tools that allow you to see the individual values of each pixel in the image and histograms that display distributions of the pixel values in the image The pixel values in your captured test image should be exactly as described in Section 3 8 Also if you capture several test images the pixel values should be the same in all of the captured test images te or is completely black If you get no the frame grabber use the chart that __ Go to the interfacing No troubleshooting chart Are the test images OK Use
38. needed for the serial number information Unterminated string if all 16 bytes are needed BASLER A300b Series 4 21 Configuring the Camera 4 2 7 7 Read Gain and Offset Reference Values Purpose To read the gain and offset reference values that are determined during the camera s factory calibration procedure see Section 3 5 3 Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x08 1 16 Response Cmd ID R W Flag Data Length Data 0x08 0 16 16 Bytes Data Format Byte 1 Low byte of the odd line low gain reference value Byte 2 High byte of the odd line low gain reference value Byte 3 Low byte of the even line low gain reference value Byte 4 High byte of the even line low gain reference value Byte 5 Low byte of the odd line low offset reference value Byte 6 High byte of the odd line low offset reference value Byte 7 Low byte of the even line low offset reference value Byte 8 High byte of the even line low offset reference value Byte 9 Low byte of the odd line high gain reference value Byte 10 High byte of the odd line high gain reference value Byte 11 Low byte of the even line high gain reference value Byte 12 High byte of the even line high gain reference value Byte 13 Low byte of the odd line high offset reference value Byte 14 High byte of the odd line high offset reference value Byte 15 Low byte of the even line high offset reference value Byte 16 High byte of the even line high offset
39. parameters that controls the BASLER 7 current operation of the camera This set of VISION TECHNOLOGIES Sets l Load Save Configuration Output Version Connection parameters is known as the Work Set see Model Exposue Gains fet Tesimage Eestues status Section 3 9 The Camera Configuration Tool is used to view the present settings for the parameters in the Work Set or to change the Area of Interest Digital Shift Starting Column 1 E None settings The configuration tool organizes Within Columns 5552 the parameters into related groups and ea rove displays each related group on a tab For soightntnes example the Features Tab contains all of the parameters related to the Area of Interest feature and the Digital Shift feature When the configuration tool is opened it ELI queries the camera and displays the current Pot opened COM settings for the parameters in the Work Set Press F1 for Help Figure 4 1 Features Tab BASLER A300b Series Configuring the Camera Using the Refresh and Apply Buttons Two buttons always appear at the bottom of the configuration tool window the Refresh button and the Apply button Typically if you make a change to one or more of the settings on a tab you must click the Apply Refresh Apply button for that change to be transmitted from the Eee Eee configuration tool to the camera s Work Set Be Port opened COMT _ cause the parameters in th
40. reference value 4 22 BASLER A300b Series Configuring the Camera 4 2 8 Commands for Manipulating Configuration Sets 4 2 8 1 Copy the Factory Set or a User Set into the Work Set Purpose copy the Factory Set or one of the 15 User Sets into the Work Set See Section 3 9 for an explanation of configuration sets The write command will cause the selected set to be copied into the Work Set and the set will become active immediately The read command returns the ID of the set that was last copied into the Work Set If nothing has been copied to the Work Set since the last power up or reset the read command will return the ID for no active set This condition indicates that no valid Factory Set or User Sets were found It will also cause the yellow LED on the back of the camera to show six pulses Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0x45 1 1 Response Cmd ID R W Flag Data Length Data 0x45 0 1 1 Byte Write Command Cmd ID R W Flag Data Length Data 0x45 0 1 1 Byte Response None Data Format Byte 1 An ID that specifies the set see the table below Set ID Set 0x00 Factory Set 0x01 User Set 1 0x02 User Set 2 0x03 User Set 3 0x04 User Set 4 0x05 User Set 5 0x06 User Set 6 0x07 User Set 7 0x08 User Set 8 0x09 User Set 9 OxOA User Set 10 0x0B User Set 11 0x0C User Set 12 0x0D User Set 1
41. with the cables between your devices or if you have been directed here from another chart Go to Chart A if you are using the camera without a Basler Interface Converter BIC or go to Chart B if you are using the camera with a BIC Interfacing Chart A without a BIC Always switch off power to the system before making or breaking any connection Reseat all of the cable connections at the camera the frame grabber and the PC ESI After you reseated the connections is the problem still present No al d Yes Use a voltmeter to check the power source for the camera The output must be 12 VDC x 10 Also the power source must be rated for at least 4 W No Replace the Is the power source OK power source If extra hardware is available try to locate the problem by substitution Substitute only one piece of hardware at a time and Exit this retry the system after each substitution No chart After you finished making substitutions is the problem still present Yes Check the DCF configuration file that you are using with your frame grabber Make sure that it is the correct file for your Basler A300b camera Be aware that sometimes different DCF files must be used depending on which of the camera s features you have enabled DCF files for many types of frame grabbers are available at the Basler web site No Exit this www basler vc com These files have all been tested with A300b cameras and we suggest chart that y
42. 0b Series Operation and Features You can set the camera to operate in one of the ExSync controlled exposure modes using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the Exposure Tab to set the camera for ExSync operation and to select the level controlled or programmable exposure time control mode If you select the programmable mode you must also enter an exposure time When you enter an exposure time the configuration tool will automatically set the Timer 1 parameter to the correct value With binary commands you must use the Exposure Time Control Mode command to select ExSync edge controlled or ExSync programmable mode If you choose the programmable mode you must also use the Timer 1 command to set the exposure time d ExSync must toggle Exsync must remain high for at least 1 us The minimum ExSync period for each type of camera is shown in the table below A3O0lb A30lbc A302b A302bc 12 5 ms 12 5 ms 16 66 ms 16 66 ms The minimum exposure time is 1 us BASLER A300b Series 3 5 Operation and Features 3 6 3 2 2 Free run In free run no ExSync signal is required The camera generates a continuous internal control signal based on two programmable parameters Timer 1 and Timer 2 Timer 1 determines how long the internal signal will remain low and the Timer 2 determines how long the sig
43. 1 us The 201 uses a National Semiconductor DS9OLV048A differential line receiver to receive the ExSync input signal A detailed spec sheet for this RS 644 LVDS device is available at the National Semiconductor web site www national com Figure 2 3 shows a basic schematic for the input stage of the A300b 2 3 1 1 RS 644 RS 422 Compatibility The input voltage tolerance for the RS 644 receiver used in the A300b is 0 0 V to 3 9 V On typical RS 422 transmitters the output voltage can range as high as 4 0 V As you see the output voltage of a typical RS 422 transmitter can exceed the input voltage tolerance of the RS 644 receiver in the A300b Therefore RS 422 signals should not be input directly into the A300b 12 A300b L ExSync 1 o A R16 3k GND Figure 2 3 A300b DC Power and RS 644 Input Connections BASLER A300b Series Camera Interface 2 4 Output Signals Data is output from A300b cameras using Channel Link LVDS technology 2 4 1 Channel Link Basics Channel Link is an LVDS Low Voltage Differential Signaling technology for transmitting digital data Channel Link uses a parallel to serial transmitter and a serial to parallel receiver to transmit data at rates up to 1 8 Gbps As shown in Figure 2 4 the Channel Link Transmitter converts 28 bits of CMOS TTL data into four LVDS data streams A phase locked pixel clock is transmitted in parallel with the data streams over a fifth LVDS link
44. 2 3 4 5 6 7 8 9 Figure A 5 BIC to PC RS 232 Interface Cable d The cable between the BIC and the PC must contain a twist so that pin 2 on the BIC connects to pin 3 on the PC and pin 3 on the BIC connects to pin 2 on the PC BASLER A300b Series A 4 Using the BIC Video Data and Control Signals Between the BIC and the Frame Grabber All video data and control signals transmitted between the BIC and the frame grabber use LVDS technology as specified for RS 644 Detailed information on RS 644 appears in Section A 4 3 A 4 1 Signals Input to the BIC by the Frame Grabber A 4 1 1 ExSync Controls Frame Readout and Exposure Time The camera attached to the BIC can be programmed to function in several exposure time control modes In some of these modes an ExSync signal is used to control exposure time and frame read out For more detailed information on exposure control modes and the use of the ExSync signal see Section 3 2 ExSync can be a periodic or a non periodic function The frequency of the Exsync signal determines the camera s frame rate The BIC accepts the ExSync signal from the frame grabber and passes it through to the camera using a straight through connection with no active circuitry A 4 2 Signals Output from the BIC to the Frame Grabber A 4 2 1 FVAL Indicates a Valid Frame Frame valid FVAL indicates a valid frame as shown in Figures A 6 and A 7 Video data is only valid if FVAL is high
45. 2b 1 i 24 1 us A301b i ffecti effective exposure 28 1 us A302b 2 3 us Discharge 2 9 us a 4 2 8 us Readout Figure 3 9 ExSync Programmable Mode Exposure Start with Frame Valid Low The rising edge of ExSync begins exposure At the start of exposure a single 2 3 us discharge pulse is generated and this pulse discharges the CCD array Effective exposure starts at the end of the discharge pulse The end of the exposure triggers readout Readout starts after a delay of 2 9 us and takes 2 8 us Exposure continues during readout Effective exposure 7 n 3 4 us n Timer 1 d FVAL must be low for at least 56 ns before the ExSync signal rises ExSync must remain high for a minimum of 1 us The minimum ExSync signal period is 12 5 ms for the A301b 12 5 ms for the 01 16 66 ms for the A302b and 16 66 ms for the A302bc With very low exposures use flash light to prevent smearing BASLER A300b Series 3 9 Operation and Features 3 3 4 ExSync Programmable Mode with Exposure Start During Image Transfer Frame Valid High Exposure Timer 1 gt 187 us gt 1ns ha Valid ha 190 us A301b N 282 A302b 504 224 A302b nnnnnhfut niin t effective exposure gt 24 1 us A301b shifted exposure time 28 1 us A302b gt Discharge
46. 3 OxOE User Set 14 OxOF User Set 15 OxFF No active set BASLER A300b Series 4 23 Configuring the Camera 4 2 8 2 Copy Work Set into a User Set Purpose To copy the Work Set into one of the 15 User Sets See Section 3 9 for an explanation of configuration sets Type This is a write only command Write Command Cmd ID R W Flag Data Length Data 0x46 0 1 1 Byte Response None Data Format Byte 1 An ID that specifies the user set see the table below SetID Set 0x01 User Set 1 0x02 User Set 2 0x03 User Set 3 0x04 User Set 4 0x05 User Set 5 0x06 User Set 6 0x07 User Set 7 0x08 User Set 8 0x09 User Set 9 Ox0A User Set 10 0x0B User Set 11 0x0C User Set 12 0x0D User Set 13 OxOE User Set 14 OxOF User Set 15 BASLER A300b Series 4 2 8 3 Select the Startup Pointer Configuring the Camera Purpose The Startup Pointer is used to tag the configuration set that will be copied into the Work Set at power on see Section 3 9 The write command is used to set the Startup Pointer to the Factory Set or to one of the User Sets The read command returns the Set ID for the current setting Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0x47 1 1 Response Cmd ID R W Flag Data Length Data 0x47 0 1 1 Byte Write Command Cmd ID R W Flag Data Leng
47. 44 LVDS External Trigger 38 Syncin Input RS 644 LVDS External Trigger 39 FVAL Output RS 644 LVDS Frame Valid 40 Output RS 644 LVDS Frame Valid 41 Not Connected 42 Not Connected 43 Signal Gnd Output Ground Signal Ground 44 Tied to pin 43 internally means an inverted signal with the low signal being active Table A 5 Pin Assignments for the D sub HD 44 pin Receptacle BASLER A300b Series Using the BIC 10 Cable Information A 3 1 Channel Link Cable between the Camera and the BIC The BIC can be attached directly to a Channel Link based camera or a cable can be used between the camera and the BIC In cases where a cable is used between the camera and the BIC the cable must meet the specifications shown in Section 2 2 A 3 2 Video Data Cable Between the BIC and the Frame Grabber The video data cable between the BIC and the frame grabber must made with 28 gauge AWG twisted pair wire and have a characteristic impedance of 100 ohms The maximum length of the cable is 20 meters A 3 3 RS 232 Cable Between the BIC and the PC The RS 232 cable between the nine pin plug on the BIC and the serial port connector on the PC can be a null modem cable or a simple three wire connection as illustrated in Figure A 5 The maximum length of the cable is 15 meters 9 Pin Serial Plug Port Null Modem Cable Gnd Computer 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 OMAN FF 1
48. 9 Even Pixel Bit 2 Reserved TxIN20 RxOUT20 Even Pixel Bit 3 Reserved TxIN21 RxOUT21 Even Pixel Bit 4 Reserved TxIN22 RxOUT22 Even Pixel Bit 5 Reserved TxIN23 RxOUT23 Reserved Reserved TxIN24 RxOUT24 Line Valid Line Valid TxIN25 RxOUT25 Frame Valid Frame Valid TxIN26 RxOUT26 Reserved Reserved TxIN27 RxOUT27 Odd Pixel Bit 6 Odd Pixel Bit 6 TxCLKIn RxCLKOut Pixel Clock Pixel Clock Table 2 3 Bit Assignments BASLER A300b Series 2 9 Camera Interface 2 4 7 Video Data Output Modes A300b cameras can operate in Dual 10 Bit or Dual 8 Bit output mode These modes are described in detail in Section 2 4 7 1 2 4 7 1 Operation in Dual 10 Bit or Dual 8 Bit Output Mode In Dual 10 Bit mode the pixel clock operates at 18 MHz On each clock cycle the camera transmits 10 bits of pixel data for two pixels a frame valid bit and a line valid bit The assignment of the bits is shown in Table 2 3 The pixel clock is used to time data sampling and transmission As shown in Figures 2 6 and 2 7 the camera samples and transmits data on each falling edge of the pixel clock The frame valid bit indicates that a valid frame is being transmitted The line valid bit indicates that a valid line is being transmitted Pixel data is only valid when the frame valid bit and the line valid bit are both high Operation in Dual 8 Bit mode is similar to Dual 10 Bit mode except that the two least significant bits output from each ADC are dropped and only 8
49. CCD sensor When the camera is operating in 10 bit ADC output mode by default the camera transmits the bit bit bit bit bit bit bit bit bit 10 bits that are output from each ADC 8 7 6 5 4 3 2 1 L S el B Not Shifted gt Shift Once When the camera is set to shift once the output from the camera will include bit 8 though bit O from each ADC along with a zero as an LSB ADC The result of shifting once is that the output of the bit bit bit bit bit bit bit bit bit bit camera is effectively doubled For example 8 7 65432 1 0 assume that the camera is set for no shift that it is viewing a uniform white target and that under these M conditions the reading for the brightest pixel is 100 If you changed the digital shift setting to shift once the reading would increase to 200 bs Shifted Once gt war d Note that if bit 9 is set to 1 all of the other bits will automatically be set to 1 This means that you should only use the shift once setting when your pixel readings in 10 bit mode with no digital shift are all below 512 BASLER A300b Series 3 21 Operation and Features Shift Twice When the camera is set to shift twice the output from the camera will include bit 7 though bit from each ADC along with two zeros as LSBs ADC The result of shifting twice is that the output of the bit bit bit bit bit bit bit bit bit camera is effectively multiplied by fou
50. DOOOMODODOOCKXODD 10 or 8 bits N 658 A301b or 782 A302b The diagram assumes that the area of interest feature is not being used With the area of interest feature enabled the number of lines transferred and the number of pixels in each line could be smaller Figure 2 6 Dual 10 Bit or Dual 8 Bit Output Mode with Level Controlled Exposure BASLER A300b Series 2 11 Camera Interface end of programmed ime deu arcta gt Ss all TH mem ee S Line Line 1 Line 2 Line Y Valid T Ly Y 494 A301b or 582 A302b amp TUUUUUUUUUUUUUUUU UU UUUUUUU Pret XC XOX XOX XE DC MX XOX XD AXX AXAD 10 or 8 bits 10 or 8 bits N 658 A301b or 782 A302b The diagram assumes that the area of interest feature is not being used With the area of interest feature enabled the number of lines transferred and the number of pixels in each line could be smaller Figure 2 7 Dual 10 Bit or Dual 8 Bit Output Mode with Programmable Exposure 2 12 BASLER A300b Series 2 5 2 6 Camera Interface RS 232 Serial Communication A300b cameras are equipped for RS 232 serial communication The RS 232 serial connection is used to issue commands to the camera for changing modes and parameters The serial link can also be used to query the camera about its current setup The Basler Camera Configuration Tool is a convenient grap
51. Operation and Features 3 1 3 1 Functional Description 00 000 cc 3 1 3 1 1 Color Creation in the A301bc and the A302bc 3 3 3 1 1 1 Integrated IR Cut Filter on C Mount Equipped Cameras 3 3 3 2 Exposure Time Control Mode Basics 3 4 3 2 1 ExSync Controlled Operation 3 4 3 2 2 FIeGEUF cs fs aoe ud ald Me he he OM Mines GI Pace ele TEQUE en es 3 6 3 3 Exposure Time Control Modes in Detail 3 7 3 3 1 ExSync Level controlled Mode with Exposure Start After Image Transfer Frame Valid Ow ooh y opi pex PEE Eg ep Ave beu o eal wht E 3 7 3 3 2 ExSync Level controlled Mode with Exposure Start During Image Transfer Frame Valid High io nte x ee b dd 3 8 3 3 3 ExSync Programmable Mode with Exposure Start After Image Transfer Frame Valid soit ee bi CR M ERO eM PA EE PME 3 9 3 3 4 ExSync Programmable Mode with Exposure Start During Image Transfer Frame Valid High y iret ees pA EE tree Obr ere HUS 3 10 3 3 5 Free run programmable Mode with Exposure Start After Image Transfer Frame Valid Low e Rr IRR RR 3 11 3 3 6 Free run Programmable Mode with Exposure Start During Image Transfer Frame vaid Highly s nere RE URDU ED yee en EE ETE 3 12 3 4 Video Data Output Modes 3 13 3 5 Gainrand O
52. S Even Pixel Bit 1 11 DOUT 10 Output RS 644 LVDS Even Pixel Bit 2 12 DOUT 11 Output RS 644 LVDS Even Pixel Bit 3 13 DOUT 12 Output RS 644 LVDS Even Pixel Bit 4 14 DOUT 13 Output RS 644 LVDS Even Pixel Bit 5 15 DOUT 14 Output RS 644 LVDS Even Pixel Bit 6 16 DOUT 0 Output RS 644 LVDS Odd Pixel Bit 0 17 DOUT 1 Output RS 644 LVDS Odd Pixel Bit 1 18 DOUT 2 Output RS 644 LVDS Odd Pixel Bit 2 19 DOUT Output RS 644 LVDS Odd Pixel Bit 3 20 DOUT 4 Output RS 644 LVDS Odd Pixel Bit 4 21 DOUT 5 Output RS 644 LVDS Odd Pixel Bit 5 22 DOUT 6 Output RS 644 LVDS Odd Pixel Bit 6 23 DOUT 7 Output RS 644 LVDS Odd Pixel Bit 7 24 DOUT 8 Output RS 644 LVDS Even Pixel Bit 0 25 DOUT 9 Output RS 644 LVDS Even Pixel Bit 1 26 DOUT 10 Output RS 644 LVDS Even Pixel Bit 2 27 DOUT 11 Output RS 644 LVDS Even Pixel Bit 3 28 DOUT 12 Output RS 644 LVDS Even Pixel Bit 4 29 DOUT 13 Output RS 644 LVDS Even Pixel Bit 5 30 DOUT 14 Output RS 644 LVDS Even Pixel Bit 6 31 DOUT 15 Output RS 644 LVDS Even Pixel Bit 7 MSB 32 DOUT 15 Output RS 644 LVDS Even Pixel Bit 7 Table A 5 Pin Assignments for the D sub HD 44 pin Receptacle BASLER A300b Series Using the BIC Direction Level Assignment 33 LVAL Output RS 644 LVDS Line Valid 34 LVAL Output RS 644 LVDS Line Valid 35 PCIk Output RS 644 LVDS Pixel Clock 36 Output RS 644 LVDS Pixel Clock 37 Syncin Input RS 6
53. a percentage of the normally available gain offset range and then use the reference values along with the formula shown below to calculate the required settings for the odd line gain and offset and for the even line gain and offset You can then enter the calculated settings into the camera using the appropriate commands Setting Desired x References LoReferenceValue oReferenceValue 3 18 BASLER A300b Series Operation and Features Example of Setting Balanced Gain and Offset with Binary Commands Assume that you want to keep the odd lines and the even lines balanced and that you want to set the gain and offset for 40 of the normal operating range 1 Use the Read gain and offset reference values command to read the values that were stored during the camera s calibration procedure For our example we will assume that the camera returned the following reference values Odd line high gain 0x008d Odd line high offset 0x0020 Odd line low gain 0x002f Odd line low offset 0x0010 Even line high gain 0 0090 Even line high offset 0 0025 Even line low gain 0x0035 Even line low offset 0x0010 2 The reference values are hexadecimal Convert them to decimal Odd line high gain 141 Odd line high offset 32 Odd line low gain 47 Odd line low offset 16 Even line high gain 144 Even line high offset 37 Even line low gain 53 Even line low offset 16 3 Use the odd line high gain and odd line low gain reference values to calculate the gai
54. amera is not lit it means that no power is present When the green LED is lit it means that power is present Keep in mind that the circuit used to light the green LED does not perform a range check If power is present but it is out of range the LED may be lit but the camera will not operate properly BASLER A300b Series 6 1 Troubleshooting 6 2 Troubleshooting Charts The following pages contain several troubleshooting charts which can help you find the cause of problems that users sometimes encounter The charts assume that you are familiar with the camera s features and settings and with the settings for your frame grabber If you are not we suggest that you review the manuals for your camera and frame grabber before you troubleshoot a problem 6 2 1 No Image Use this chart if you see no image at all when you attempt to capture an image with your frame grabber in this situation you will usually get a message from the frame grabber such as time out If you see a poor quality image a completely black image or a completely white image use the chart in Section 6 2 2 Always switch off power to the system before making or breaking any connection Are you using a Basler Interface Converter BIC with the camera Yes Use a voltmeter to check the power source for the camera Make sure that the power source meets the specs shown in Section 2 6 Is the power source OK Use a voltmeter to check the power sourc
55. ample suppose that you have auto balance on and that you move the sliders so that they are 4096 of the way from left to right In this case the configuration tool will use the reference values to calculate the gain and offset needed for the camera to operate at 40 of the normal gain offset range while keeping the channels balanced This situation is shown graphically in Figure 3 17 BASLER A300b Series Operation and Features Gain Odd needed to achieve 1 254 Even E Note The differences High Illumination Low between the odd channel Light Light and the even channel are exaggerated so that they will show clearly in the graphs Offset edd needed to achieve 1 254 mA Em High Illumination Low Light Light Figure 3 15 Graph of Balanced Odd and Even Channel Gain and Offset Settings Gain Offset Normal Gain Offset Range 0 100 Figure 3 16 Normal Gain Offset Range BASLER A300b Series 3 17 Operation and Features Gain Odd Channel Gain Setting for 40 of Normal Range Even Channel Gain Setting for 40 of Normal Range Offset Odd Channel Offset Setting for 40 of Normal Range Even Channel Offset Setting for 40 of Normal Range Figure 3 17 Settings at 40 of the Normal Range If you want to change the gain and offset using binary commands you can keep the channels in balance by using the stored gain and offset reference values when you make your changes To do this you must select
56. bits of data per pixel is transmitted The data sequence outlined below along with Figures 2 6 and 2 7 describe what is happening at the inputs to the Channel Link transmitter in the camera Note that the timing used for sampling the data at the Channel Link receiver in the frame grabber varies from device to device On some receivers data must be sam pled on the rising edge of the pixel clock receive clock and on others it must be sampled on the falling edge Also some devices are available which allow you to select either rising edge or falling edge sampling Please consult the data sheet for the receiver that you are using for specific timing information Video Data Sequence When the camera is not transmitting valid data the frame valid and line valid bits sent on each cycle of the pixel clock will be low Once the camera has completed frame acquisition it will begin to send valid data On the pixel clock cycle where frame data transmission begins the frame valid bit will become high On the pixel clock cycle where data transmission for line one begins the line valid bit will become high Ten of the bits transmitted during this clock cycle will contain the data for pixel number one in line one and ten of the bits will contain data for pixel number two in line one On the next cycle of the pixel clock the line valid bit will be high Ten of the bits transmitted during this clock cycle will contain the da
57. c Input RS 644 External Trigger LVDS 10 ExSync 13 Reserved Input RS 644 Reserved LVDS Input LVDS 12 Reserved 17 TxClkOut Output Channel Link Transmit Clock from Channel Link Transmitter LVDS 16 TxClkOut 8 TxDataOut3 Output Channel Link Data from Channel Link Transmitter LVDS 7 TxDataOut3 6 TxDataOut2 Output Channel Link Data from Channel Link Transmitter LVDS 5 TxDataOut2 15 TxDataOut1 Output Channel Link Data from Channel Link Transmitter LVDS 14 TxDataOut1 4 TxDataOut0 Output Channel Link Data from Channel Link Transmitter LVDS 3 TxDataOut0 1 Pins 1 9 18 19 25 26 21 and 23 are all tied together inside of the camera 2 Pins 2 and 20 are tied together inside of the camera Table 2 1 A300b Pin Assignments for the D Sub HD 26 pin Plug The camera housing is not grounded and is electrically isolated from the cir cuit boards inside of the camera The camera has no reverse power protection Therefore always observe the polarity as indicated in Table 2 1 The camera has no overvoltage protection Therefore always observe the power requirements as described in Section 2 6 BASLER A300b Series Camera Interface OO 1 9 000000000 000000000 10 00000000 18 19 26 Figure 2 2 A300b Pin Numbering 2 1 3 Plug Source Information At the time this manual was published Basler s sources for the 26 pin high density plug used on the camera are FCT Electronic Part CT15 26P1 L228
58. circulation around the BIC to prevent internal heat build up in your system and to keep the BIC housing temperature during operation below 50 C Provide additional cooling such as fans or heat sinks if necessary Warning Without sufficient cooling the BIC can get hot enough during operation to cause burning when touched A 1 4 BIC Precautions Power Caution Be sure that all power to your system is switched off before you make or break connections to the BIC Making or breaking connections when power is on can result in damage to the BIC Read the manual Read the manual carefully before using the BIC Keep foreign matter outside of the BIC Do not open the housing Touching internal components may damage them Be careful not to spill water or other liquids on the BIC Do not allow flammable or metallic material inside the BIC housing If used with any foreign matter inside the BIC may fail or cause a fire Electromagnetic Fields Do not operate the BIC in the vicinity of strong electromagnetic fields Avoid electrostatic charging Transporting Only transport the BIC in its original packaging Do not discard the packaging Cleaning To clean the surface of the BIC housing use a soft dry cloth To remove severe stains use a soft cloth dampened with a small quantity of neutral detergent then wipe dry Do not use volatile solvents such as benzine and thinners they can damage the surface fini
59. ction 000 00 cee ees A 16 A 6 Power Supply zeiten acne Meee dh ees Bape eens phe A 16 Ad Status e E ate ws S Mesas A 16 A 8 Installing the Camera and the BIC A 17 A 8 1 Making Connections BIC Directly Attached to Camera A 17 A 8 2 Making Connections BIC and Camera Mated with a Cable A 19 A 8 3 Setting Up the Serial A 20 A 8 4 Installing the Camera Configuration A 20 AS SINE SLEDS Oi ael be Mae EAR Ree TR eR UR Rud A 20 A 9 BIC Dimensions lille A 21 Revision HISIOLy as 2 5 ume eic P ie au is i Indexes eie Co LELCCRd ates euet or ee quts aces be doe bane iii BASLER A300b Series 1 1 Introduction Introduction BASLER A300b series high resolution progressive scan cameras are designed for industrial use Superb image sensing features are combined with a robust high precision machined housing Important features are High spacial resolution High sensitivity Anti blooming Asynchronous full frame shutter via electronic exposure control Square sensor cells High S N ratio Programmable via an RS 232 serial port Area of interest scanning Correlated double sampling ndustrial housing manufactured with high planar parallel and angular precision Compact size Camera Models A300b seri
60. d d 11 Valid 15 190 ps A301b 22 4 us A302b Line N 2 N41 N ud 2 3 4 N2 1 N 494 A301b Valid b E i ii 582 A302b n effective E i exposure i 24 1 us A301b SS 28 1 us A302b 2 3 us Discharge m 2 9 8 gt 4 2 8 us Readout m Figure 3 11 Free run Programmable Mode Exposure Start with Frame Valid Low The control signal going low begins exposure At the start of exposure a single 2 3 us discharge pulse is generated and this pulse discharges the CCD array Effective exposure starts at the end of the discharge pulse The end of exposure triggers readout Readout starts after a delay of 2 9 us and takes 2 8 us Exposure continues during readout Effective exposure 7 n 3 4 us n Timer 1 d FVAL must be low for at least 56 ns before the internal sync signal goes low The internal control signal must remain high for a minimum of 1 us The minimum ExSync signal period is 12 5 ms for the A301b 12 5 ms for the 01 16 66 ms for the A302b and 16 66 ms for the A302bc With very low exposures use flash light to prevent smearing BASLER A300b Series 3 11 Operation and Features 3 3 6 Free run Programmable Mode with Exposure Start During Image Transfer Frame Valid High Internal Control Signal Frame Valid Line Valid Discharge Readout control signal period Exposu
61. djustable parameters are stored in configuration sets and each configuration set contains EEPROM RAM all of the parameters needed to control the camera There are three different types of configuration sets the Work Set the Factory Set and User Sets User Sets Work Work Set Set The Work Set contains the current camera settings and Fact thus determines the camera s present performance actory that is what your image currently looks like The Work Set Set is stored in the camera RAM The configuration parameters in the Work Set can be altered directly Figure 3 22 Config Sets using the Camera Configuration Tool or using binary programming commands Factory Set When a camera is manufactured a test set up is performed on the camera and an optimized configuration is determined The Factory Set contains the camera s factory optimized configuration The Factory Set is stored in non volatile memory on the EEPROM and can not be altered User Sets User Sets are also stored in the non volatile EEPROM of the camera The camera has 15 User Sets Each User Set initially contains factory settings but User Sets can be modified Modification is accomplished by making changes to the Work Set and then copying the Work set into one of the User Sets The Camera Configuration Tool or binary commands can be used to copy the Work Set into one of the User Sets Startup Pointer When power to the camera is switched off the Work set in the
62. e See Section 3 2 No the LED is Yes It is Call Basler Technical Support either on constantly flashing for assistance The contact or it is off constantly 5 6 70r8 numbers appear on the title pulses page of this manual Check to make sure that the RS 232 serial connection is working OK You can do this by starting the Camera Configuration Tool and seeing which tab appears If a Model Tab RS 232 appears the connection is OK If a Connection Tab appears there is a problem with the serial serial connection No 3l communications Is the serial connection OK troubleshooting chart Go to the Yes Are you controlling the camera with an ExSync signal or is the Free run 3 camera in free run Did you set up free run using the exposure tab on the camera configuration tool or with binary commands ExSync signal Config Binary Y Tool Commands Check the setup on your frame grabber and make sure that the ExSync signal period is not too short The period must be greater than the minimum value shown in the table on page 4 5 Correct On many frame grabbers the the period of the ExSync signal is settings adjusted by changing a setting for the frame rate Your frame rate should not exceed the maximum shown in Table 1 2 Is the ExSync period OK Check to make sure that Timer 1 is set no lower than 1 us Timer 2 is set no lower than 1 us The sum of the Timer 1 setting plus the Timer 2 setting
63. e ES A 3 AA BIG Precautions 23 ede paaa ge phat ae ple Deedee d dus A 3 A 2 BIC Interface Description A 4 A 2 1 Connectlons 2 sage g auPemeat res 4 A 2 1 1 General Description 4 A 2 1 2 Pin Assigniments Ree UE Eg edes es A 6 Cable Information 0 0 0000 cee eee A 10 A 3 1 Channel Link Cable between the Camera and the BIC A 10 A 3 2 Video Data Cable Between the BIC and the Frame Grabber A 10 A 3 3 RS 232 Cable Between the BIC and the A 10 A 4 Video Data and Control Signals Between the BIC the Frame Grabber A 11 A 4 1 Signals Input to the BIC by the Frame Grabber A 11 A 4 1 1 ExSync Controls Frame Readout and Exposure Time A 11 A 4 2 Signals Output from the BIC to the Frame Grabber A 11 A 4 2 1 FVAL Indicates a Valid Frame A 11 A 4 2 2 LVAL Indicates a Valid A 11 A 4 2 3 Pixel Clock Indicates a Valid A 11 A424 Vide o Data LA tA ete P EP A 11 A 4 2 5 BIC Operation with Attached Camera in Dual 8 Bit Output Mode A 12 A 4 3 RS 644 LVDS Information 0000000 eee A 14 A 4 3 1 RS 644 RS 422 Compatibility A 14 A 5 RS 232 Serial Conne
64. e Work Set control the current operation of the camera when you click the Apply button you will see an immediate change in the camera s operation The Refresh button can be used at any time to make sure that the configuration tool is displaying the current settings for the parameters in the Work Set When you click the Refresh button the configuration tool queries the camera to determine the current setting for each parameter in the Work Set and updates the display on each tab d Keep in mind that the Work Set is stored in a volatile memory Any changes you make to the Work Set using the configuration tool will be lost when the camera is switched off To save changes you make to the Work Set go to the Sets Tab and save the mod ified Work Set into one of the camera s 15 User Sets The User Sets are stored in non volatile memory and will not be lost when the camera is switched off see Section 3 9 If you want your changes to be loaded into the Work Set at the next power on go to the Sets Tab and set the Startup Pointer to the User Set where you saved your changes 4 1 4 Configuration Tool Help The Camera Configuration Tool includes a complete on line help file which explains how to use each tab and how the settings on each tab will effect the camera s operation To access on line help press the F1 key whenever the configuration tool is active BASLER A300b Series 4 3 Configuring the Camera 4 2 4 4 Configuri
65. e camera s 18 MHz internal data rate The voltages moving out of each shift register are amplified by a Variable Gain Control VGC and then digitized by a 10 bit Analog to Digital converter ADC The digitized video data is transmitted from the camera to the frame grabber using a Channel Link LVDS transmission format see Section 2 4 for details Lines are output sequentially in a progressive scan until one full frame is obtained If the camera is an 01 or an A302bc a color interpolation can be done to obtain full RGB information for each pixel see Section 3 1 1 For optimal digitization gain and offset are programmable via a serial port BASLER A300b Series 3 1 Operation and Features CCD Sensor shi sa Vert Vert Reg Pixels Pixels Pixels Bay Pixels 4 sg Re ae 4 PH NI Num Y 4 PE ia Y7 9 ja PE Pi eles Y Y 4 ul e i Y 4 4 a e a Y Y 4 4 Y Y a PE zd ADC VGC 4 1 I Horizontal Shift Register ADC VGC Horizontal Lee Shift Register
66. e connections at the camera ma the BIC the frame grabber and the PC No Exit this chart After you reseated the cables is the problem still present Yes Use a voltmeter to check the power source for the BIC The output must be 24 VDC 10 Also N Repl h the power source must be rated for at least 6 W gt Replace the power source Is the power source OK Yes If extra hardware is available try to locate the problem by substitution Substitute only one piece of hardware at a time and retry the WEE system after each substitution No Exit this chart After you finished making substitutions is the problem still present Yes Check the DCF configuration file that you are using with your frame grabber Make sure that it is the correct file for your Basler A300b camera Be aware that sometimes different DCF files must be used depending on which of the camera s features you have enabled DCF files for many types of frame grabbers are available at the Basler web site No gt Exit this chart www basler vc com These files have all been tested with A300b cameras and we suggest that you use them if one is available for the frame grabber that you are using After you checked the DCF file is the problem still present Yes Check all of the cables in the system Check Sections 2 2 and A 3 of this manual and make sure that you are using cables that have the right characteristics and
67. e for the BIC Make sure that the power source meets the specs shown in Section F 3 power Is the power source OK Source Replace the Yes Replace the power Source Connect the power source to the camera and then check the green LED on the camera Is the green LED lit Yes I Connect the power No Yes source to the BIC and Y then check the green No Replace LED on the BIC the BIC Replace the camera Is the green LED lit Yes Remove the cable from the 26 pin connector on ME the front of the BIC Use a camera or is it Cable gt as volt meter to check the No Is the BIC attached directly to the Check the green LED on the camera voltage between pin 2 Is the green LED lit cable and pin 1 on the BIC Directly Is 12 VDC present Yes Y Yes Remove the BIC from the Y camera Use a volt meter to Check the cable check the voltage between pin between the camera and 2 and pin 1 on the BIC the BIC for broken wires No Replace and poor connections the cable Is the cable OK Is 12 VDC present No Yes Replace Replace the the BIC Camera Yes Replace the Camera 6 2 BASLER A300b Series Troubleshooting The camera is not detecting an ExSync signal Check the ExSync Check the Yellow LED on Yes It is the Camera flashing gt signal or set the camera for Free Is the yellow LED flashing 3 pulses run mod
68. e of ExSync occurs while a frame is being transferred it is not possible to generate a discharge pulse asynchronously In this case exposure starts at the end of the last regular discharge pulse The discharge pulses scheduled during exposure are suppressed The rising edge of ExSync triggers readout Readout starts after a delay of 2 9 us and takes 2 8 us Exposure continues during readout Effective exposure n d 5 7 us exposure set by ExSync d 7 time to last discharge pulse d x 45 2 us for the A301b or the A301bc d x 52 4 us for the A302b or the A302bc d Frame valid must be low for at least 1 ns before the ExSync signal rises ExSync must remain high for a minimum of 1 us The minimum ExSync signal period is 12 5 ms for the A301b 12 5 ms for the 01 16 66 ms for the A302b and 16 66 ms for the A302bc With very low exposures use flash light to prevent smearing 3 8 BASLER A300b Series Operation and Features 3 3 3 ExSync Programmable Mode with Exposure Start After Image Transfer Frame Valid Low EXSYNC Exposure Timer 1 E gt 4 187 ys 56ns e i Frame ___ _ Valid i 11 19 0 us A301b E 22 4 us A302b Line N2 NA N i pu Sha Valid r N 494 A301b T M 582 A30
69. e of the pixel clock the line valid bit will be high Ten of the bits transmitted during this clock cycle will contain the data for pixel number five in line two and ten of the bits will contain data for pixel number six in line two This pattern will continue until all of the pixel data for line two has been transmitted A total of 329 cycles for the A301b or 391 cycles for the A302b After all of the pixels in line two have been transmitted the line valid bit will become low indi cating that valid data for line two is no longer being transmitted The camera will continue to transmit pixel data for each line as described above until all of the lines in the frame have been transmitted After all of the lines have been transmitted the frame valid bit will become low indicating that a valid frame is no longer being transmitted Figure 2 6 shows the data sequence when the camera is operating in level controlled exposure mode Figure 2 7 shows the data sequence when the camera is operating in programmable exposure mode ExSync Signal VAAN 11 92 ms A301b 16 37 ms A302b vul 1L Frame Valid 5 A301b 8 us A301b s 19 0 us A301b 6 1 us S 3026 Ma No oo Tc 22 4 us A302b Line Line 1 Line 2 Line Y Valid IE _ Y 494 A301b or 582 A302b amp UUUUUUUUUUUUUUUUUUUUUUUUU 10 or 8 bits Fl DODOOOMOODI
70. each camera will include bit 7 though bit from the ADC The result of shifting twice is that the output of the camera is effectively multiplied by four For example assume that the camera is set for no shift that it is viewing a uniform white target and that under these conditions the reading for the brightest pixel is 20 If you changed the digital shift setting to shift twice the reading would increase to 80 ADC bit bit bit bit bit bit bit bit bit bit 9 8 7 6 5 4 3 2 1 Shifted Twice ane d Note that if bit 9 or bit 8 is setto 1 all of the other bits will automatically be set to 1 This means that you should only use the shift twice setting when your pixel readings in 8 bit mode with no digital shift are all below 64 Shift Three Times When the camera is set to shift three times the output from the camera will include bit 6 though bit 0 from each ADC along with a zero as the LSB The result of shifting three times is that the output of the camera is effectively multiplied by eight For example assume that the camera is set for no shift that it is viewing a uniform white target and that under these conditions the reading for the brightest pixel is 20 If you changed the digital shift setting to shift three times the reading would increase to 160 ADC bit bit bit bit bit bit bit bit bit bit 9 8 7 6 5 4 3 2 1 0 S y 4 Shifted 3 Times d Note tha
71. elp included with the tool This is a good way to familiarize yourself with the camera s features and settings Read the manual for your Basler camera You will get the most from your camera if you under stand how the camera s features work and what happens when you change camera settings Read the supporting material included with your frame grabber and make sure that the frame grabber is properly configured to work with your Basler camera In order to capture images your frame grabber must be properly configured to work with your Basler camera In addition to configuring the camera and the frame grabber you must also set up other system components such as light sources optics and the host computer Only a complete careful setup will guarantee optimum performance A 20 BASLER A300b Series Using the BIC A 9 BIC Dimensions as lo 88 2 Figure A 12 BIC Dimensions in mm BASLER A300b Series A 21 Using the BIC A 22 BASLER A300b Series Revision History Revision History Doc ID Number Date Changes DA 041001 Dec 21 2000 Initial release DA 041002 July 13 2001 Made numerous small changes to grammar and phrasing Removed the Camera Installation section Camera installation is de scribed in the camera s Installation Guide only Removed information on ca
72. enerated and this pulse discharges the CCD array Effective exposure starts at the end of the discharge pulse The rising edge of ExSync triggers charge readout Readout starts 2 9 us after the rising edge of ExSync Readout takes 2 8 us during which exposure continues Effective exposure n 3 4 us n exposure set by ExSync d FVAL must be low for at least 56 ns before the ExSync signal goes low ExSync must remain high for a minimum of 1 us The minimum ExSync signal period is 12 5 ms for the A301b 12 5 ms for the 01 16 66 ms for the A302b and 16 66 ms for the A302bc With very low exposures use flash light to prevent smearing BASLER A300b Series 3 7 Operation and Features 3 3 2 ExSync Level controlled Mode with Exposure Start During Image Transfer Frame Valid High EXSYNC exposure d a 1 187 ps gt 1ns Frame Valid w N 494 A301b 19 0 us A301b 582 A302b 1 gt 22 4 us A302b Line 2 Nt N50 011 2 3 4 Valid 7 E pant i 24 1 us A301b effective exposure 28 1 us A302b al n n Discharge i T E 2 9 us 2 8 us Readout Figure 3 8 ExSync Level controlled Mode Exposure Start with Frame Valid High Whenever a frame is being transferred regularly spaced discharge pulses are generated If the falling edg
73. ensity D Sub plug Power Requirements 12 VDC 10 4 W Lens Adapters C mount or F mount Housing Size L x W x H 37 7 x 62x 62 mm 40 2 x 62 x 62 mm 69 2x 62x 62 mm without lens adapter with C mount adapter with F mount adapter Weight without lens adapter 1559 with C mount adapter 200 g with F mount adapter 265 g Conformity CE FCC Table 1 2 A300b Performance Specifications BASLER A300b Series 1 0 0 9 0 8 0 7 0 6 0 5 0 4 Relative Response 0 3 0 2 0 1 0 0 400 500 600 700 800 Wave Length nm Figure 1 1 Spectral Response A301b A302b Monochrome Camera BASLER A300b Series 900 Introduction 1000 1 3 Introduction 0 9 0 8 0 7 o 0 6 o c 05 04 2 o Wave Length nm Figure 1 2 Spectral Response A301bc A302be Color Camera d Cameras equipped with a C mount lens adapter contain an integrated IR cut filter On cameras equipped with an F mount adapter use of a suitable IR cut filter is recommended to maintain spectral balance and optimum MTF 1 4 BASLER A300b Series 1 3 Introduction Environmental Requirements 1 3 1 Temperature and Humidity Housing temperature during operation 0 C 50 C 32 122 F Humidity during operation 20 80 relative non condensing 1 3 2 Ventilation Allow sufficient air circulation a
74. equipped with F mount lens adapters do not have an internal IR cut filter IR Filter ll UI dM IN Not to Scale Figure 5 5 C mount Lens Thread BASLER A300b Series 6 1 Troubleshooting Troubleshooting Fault Finding Using Camera LEDs 6 1 1 Yellow LED A300b series cameras regularly performs self tests Detected errors are signaled by blinking of the yellow LED on the back of the camera The number of pulses indicate the detected error If several error states are present the LED outputs the error codes in succession See Table 6 1 for the description of the pulses and the error states LED Description On The camera is OK Continuous 3 pulses ExSync has not changed state for 5 seconds or longer If you are not supplying an ExSync signal to the camera this is a normal condition and should be ignored Otherwise check the cable and the ExSync generating device 5 pulses The Work Set could not be stored into a User set Please contact Basler technical support 6 pulses A User Set or the Factory Set could not be loaded into the Work Set Please contact Basler technical support 7 pulses A valid list of commands was not available Please contact Basler tech support 8 pulses The FPGA could not be configured Please contact Basler Technical Support Table 6 1 Camera Status Indications 6 1 2 Green LED When the green LED on the back of the c
75. er Technical Support The contact numbers appear on the title page of this manual 6 8 No 39 Replace the cable No Exit this chart BASLER A300b Series Using the BIC Appendix A Using the Camera with a BIC A 1 Introduction As mentioned in Section 2 4 video data is output from A300b series cameras in a Channel Link LVDS format The video output from the camera can be converted to LVDS as specified for RS 644 by using a Basler Interface Converter BIC The BIC is a small device that attaches to the A300b camera A 1 1 BIC Functional Description As shown in the block diagram in Figure A 1 a channel link receiver in the BIC receives the output data from the camera in Channel Link LVDS format The receiver converts the Channel Link signals to TTL level signals and passes the TTL signals to a group of RS 644 LVDS transmitters The LVDS transmitters convert the TTL level signals to standard LVDS signals as specified for RS 644 and transmit the signals out of the BIC A300b cameras can accept an ExSync input signal in RS 644 LVDS format The ExSync signal from the frame grabber is passed through the BIC to the camera using a straight through connection with no active circuitry Configuration commands and responses are transmitted between the camera and the host computer via an RS 232 serial connection RS 232 commands and responses are passed through the BIC using a straight through connection with no active ci
76. es area scan cameras are available in different versions the version depends on the sensor size and whether the camera is monochrome or color Table 1 1 lists the available camera versions Throughout the manual the camera will be called the A300b Passages that are only valid for a specific version will be so indicated Camera Version Sensor Size Color Monochrome A301b 658 H x 494 V Pixels Monochrome A30lbc 658 H x 494 V Pixels Color A302b 782 H x 582 V Pixels Monochrome A302be 782 H x 582 V Pixels Color Table 1 1 Versions of the A300b Series Camera BASLER A300b Series 1 1 Introduction 1 2 Performance Specifications 1 2 Specification A301b A302b Sensor Interline Transfer Progressive Scan CCD Sensor Pixels 658 H x 494 V 782 H x 582 V Pixel Size 9 9 um x 9 9 um 8 3 um x 8 3 um Spectral Response Monochrome Camera See Figure 1 1 Color Camera See Figure 1 2 Pixel Clock Speed 18 MHz Max Frame Rate 80 frames sec 60 frames sec Video Output Type Channel Link LVDS RS 644 LVDS when the camera is used with an optional Basler Interface Converter Video Output Formats Dual 8 Bit or Dual 10 Bit Synchronization Via external ExSync signal or free run Exposure Time Control Level controlled programmable or free run Gain and Offset Programmable via a serial link Connector One 26 pin high d
77. ffset iocos sca eed eee cra ooh ER MR MU EXER Dect Ra d 3 13 3 5 1 Gain Settings in More Detail A301b and 1 3 14 3 5 2 Gain Settings in More Detail A302b and 026 3 15 3 5 3 Balancing the Gain and Offset Odd and Even Lines 3 16 9 6 Digital Shift Seriens estuar rete aa a ia PERMANERE 3 21 3 6 1 Digital Shift in 10 bit Output 3 21 3 6 2 Digital Shift in 8 bit Output 3 23 3 6 3 Precautions When Using Digital 3 25 3 7 Area of Interest AOI 3 26 3 7 1 Area of Interest Setup 3 28 3 6 TestiImage 144 4 bora roen had MEER PY e T 3 29 3 9 Configuration Sets 3 30 3 10 Camera Status suspense mu 3 31 4 Configuring the Camera 4 1 4 1 Configuring the Camera with the Camera Configuration Tool 4 2 4 1 1 Opening the Configuration 4 2 4 1 2 Closing the Configuration 4 2 4 1 3 Configuration Tool Basics 4 2 4 1 4 Configuration Tool 4 3 4 2 Confi
78. g XOR sums is most easily understood when numbers are shown in their binary form so in the sample calculations shown below the hexadecimal digits in our command have been converted to binary To find the XOR sum of two binary numbers you must add the two digits in each column using the following rules If both digits are O the result is 0 If both digits are 1 the result is 0 If one of the digits is a 1 and the other is a 0 the result is 1 With all of this in mind here is how the BCC for the write command shown in Section 4 2 3 2 would be calculated 0100 0110 2 the binary representation of 0x46 0000 0001 the binary representation of 0x01 0100 0 1 1 1 the XOR sum of the first two bytes 0100 0111 The sum of the first two bytes 0000 0010 the binary representation of 0x02 0100 0101 The sum 0100 0 1 0 1 0x45 the block check character BASLER A300b Series 4 2 4 Commands for Setting Camera Parameters 4 2 4 1 Video Data Output Mode Configuring the Camera Purpose To set the video data output mode or to read the current video data output mode setting See Section 2 4 7 for an explanation of the available video data output modes Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0x95 1 1 Response Cmd ID R W Flag Data Length Data 0x95 0 1 1 Byte Write Command Cmd ID R W Flag Data Length Data 0x95 0 1 1
79. gnals from the BIC A 11 from the camera 2 5 P pin assignments BIC MED 2 A 6 camela 2 2 numbering BIC aia ea ie Ee ee eae A 5 Camera sees ERE ER 2 3 pixel clock onthe BIC sirenes i iE da A 11 onthe camera 2 8 5126 2 2 Rem iei 1 2 plug source information 2 3 positioning accuracy of sensor chip 5 4 power requirements dias A 2 camera 1 2 iv precautions BIG ones ea Ae ede E EP een E A 3 Camera ty cccweisw re WR eee ee 1 6 programmable exposure mode Lee 3 4 setting with binary commands 4 10 R read command error checking 4 6 CxamMple ss so de eee ed eee et 4 7 refresh button 4 3 resetting the camera with binary commands 4 19 RS 232 serial connection 2 13 A 1 A 16 RS 644 compatibility with RS 422 2 4 A 14 general information A 14 S sensor type od IRE ELI REPRE LS 1 2 serial connection see RS 232 serial connection serial number camera viewing with binary commands 4 21 serial port setting UP 20 specifications BIG slab in E hh PE oe A 2 Song Gd aces Een GS 1 2 spectral response
80. guration tool s on line help to check a list of several possible errors and an indication of whether those errors are present with binary commands You can use the Camera Status command see Section 4 2 9 to check if the camera has detected any errors bychecking the yellow LED on the back of the camera If certain error conditions are present the yellow LED will blink see Section 6 1 BASLER A300b Series Operation and Features 3 32 BASLER A300b Series Configuring the Camera 4 Configuring the Camera A300b series cameras come factory set so that they will work properly for most applications with only minor changes to the camera s settings For normal operation the following settings are usually configured by the user Exposure time control mode Exposure time for ExSync programmable mode or free run programmable mode To customize operation for your particular application the following settings can also be configured Gain Offset Area of Interest Digital Shift A300b cameras are programmable via the serial port Two methods can be used to change the cameras s settings The first and easier approach is to change the settings using the Camera Configuration Tool See Section 4 1 and the configuration tool s on line help file for instructions on using the configuration tool You can also change the settings directly from your application using binary commands Section 4 2 lists the commands and provides
81. guring the Camera with Binary Programming Commands 4 4 4 2 1 Command Frame and Response 4 4 4 2 2 Error Checking x eerte gt RAM ge TER EE BN hea 4 6 4 2 2 1 oui cca teaotan teed A E d eie tnt Ep BERETS 4 6 4 2 2 2 Time oUuts ue ee ale Ue dex a VPE Sedi 4 6 4 2 2 3 Read Command sl nn 4 6 4 2 2 4 Write Command 4 6 4 2 3 Example Commands 4 7 4 2 3 1 Read Command 4 7 4 2 3 2 Write Command 00 cee 4 7 4 2 3 3 Calculating the Block Check 4 8 BASLER A300b Series 4 2 4 Commands for Setting Camera 4 9 4 2 4 1 Video Data Output Mode 4 9 4 2 4 2 Exposure Time Control Mode 4 10 42 43 TIMOR ve ege uae e d e SIS EPIS 4 11 42 44 TIMOR ero Sdn Bike e pg d es 4 11 4 2 4 5 Digital Shift eee 4 12 4 2 4 6 Area of Interest Starting Column 4 13 4 2 4 7 Area of Interest Width in 4 14 4 2 4 8 Area of Interest Starting Line 4 15 4 2 4 9 Area of Interest Height in 4 16 42A 10 Oda Line o ee due Te Agate vere dus 4
82. h no digital shift are all below 128 BASLER A300b Series 3 6 2 Digital Shift in 8 bit Output Modes No Shift As mentioned in Section 3 1 A301b cameras use 10 bit ADCs to digitize the output from the CCD sensor When the camera is operating in 8 bit output mode by default it drops the least two significant bits from each ADC and transmits the 8 most significant bits bit 9 through bit 2 Shift Once When the camera is set to shift once the output from the camera will include bit 8 though bit 1 from each ADC The result of shifting once is that the output of the camera is effectively doubled For example assume that the camera is set for no shift that it is viewing a uniform white target and that under these conditions the reading for the brightest pixel is 20 If you changed the digital shift setting to shift once the reading would increase to 40 Operation and Features ADC bit bit bit bit bit bit bit bit bit bit 3 2 1 0 Wor os em B Not Shifted ADC bit bit bit bit bit bit bit bit 9 8 7 6 5 4 3 2 Shifted Once moz d Note that if bit 9 is set to 1 all of the other bits will automatically be set to 1 This means that you should only use the shift once setting when your pixel readings in 8 bit mode with no digital shift are all below 128 BASLER A300b Series 3 23 Operation and Features Shift Twice When the camera is set to shift twice the output from
83. hical interface that can be used to change camera modes and parameters via the serial connection The configuration tool is installed as part of the camera installation A booklet describing how to install the configuration tool is shipped with the camera Section 4 1 provides some basic information about the configuration tool Detailed instructions for using the tool are included in the on line help file that is installed with the tool Basler has also developed a binary command protocol that can be used to change camera modes and parameters directly from your application via the serial connection See Section 4 2 for details on the binary command format 2 5 1 Making the Serial Connection You will use a serial port on your PC for RS 232 communication with the camera Make sure that the following requirements are met Make sure that pin 3 on the PC serial port is wired to pin 22 on the camera Make sure that pin 2 on the PC serial port is wired to pin 24 on the camera Make sure that pin 5 on the serial port is wired to pin 21 or 23 on the camera Make sure that the port is set for 8N1 8 data bits no parity 1 stop bit and a baud rate of 9600 bps DC Power The A300b requires 12 VDC 10 power The camera has no overvoltage protection An input voltage higher than 14 VDC will damage the camera The camera s maximum power consumption is approximately 4 watts Ripple must be less than 1 The camera has no reverse p
84. ies 5 1 5 2 C Mount Adapter Dimensions 5 3 5 3 F Mount Adapter Dimensions 5 3 5 4 Positioning Accuracy of the Sensor Chip 5 4 5 5 Maximum Lens Thread Length 5 4 6 Troubleshooting ok Di es te EATUR RI a pu ee Leia 6 1 6 1 Fault Finding Using Camera LEDs 6 1 6 1 1 Yellow Ionen UI ee AU 6 1 0 1 2 Green EEB seis eus i e er and ae Gitta doles d uale Dal e sen hua 6 1 6 2 Troubleshooting Charts 6 2 6 2 T INO IMAGE ins o LESE e pd st 6 2 6 2 2 Poor Quality 6 4 6 2 3 Interfacirig o ca eo Les date uh fere t ERAT e ee ge Rep 6 5 6 2 4 RS 232 Serial Communication 6 7 BASLER A300b Series Appendix A Using the Camera with a BIC A 1 A Introduction s RP et ems dme eed msg A 1 A 1 1 BIC Functional Description A 1 A 2 BIC Specifications diste Sedo bee pope xd ers Belge ds A 2 A 1 3 BIC Environmental A 3 A 1 3 1 Temperature and Humidity A 3 A 1 3 2 Ventilatl on ee eee bee hac ae eee eae e
85. ift twice multiples output 4X 0x03 Digital Shift by three multiples output 8X d See Section 3 6 3 for precautions that you must consider when using digital shift BASLER A300b Series Configuring the Camera 4 2 4 6 Area of Interest Starting Column Purpose set the starting column for the area of interest or to read the current setting See Section 3 7 for details on the area of interest Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data OxA9 1 2 Response Cmd ID R W Flag Data Length Data 9 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data OxA9 0 2 2 Bytes Response None Data Format Byte 1 Low byte of the starting column setting Byte 2 High byte of the starting column setting Data Range For the 1 or the A30lbc the starting column setting can range from 0x0000 to 0x0291 For the A302b or the A502bc the starting column setting can range from 0x0000 to 0x030D When using binary commands the starting column 1 where n is the setting made using this binary command For example if you wish to define column 50 as starting column set 49 with the help of this command See Section 3 7 1 for a list of rules which must be followed when entering the set tings for the area of interest BASLER A300b Series 4 13 Configuring the Camera 4 2 4 7 Area of Interest Width in Columns
86. is setting the sensor s normal linear output range of 0 V 0 375 V is amplified to O V 2 0 V The peak to peak input range of the ADC is 0 V 2 0 V Thus when the gain is at factory default the amplified output of the sensor maps directly to the input voltage range of the ADC Gain is adjustable and can be programmed on a decimal scale that ranges from 0 to 319 0x0000 to 0x013F The settings result in the following amplification e 0 4 5 319 34 5 n between amplification in dB is linear The gain can be adjusted in steps of 09 dB The desired 14 5 dB default gain is achieved when the gain is programmed to 106 Ox006A You should find that the default gain setting on your camera is near to this value Reducing the gain below 80 results in mapping more than the linear operating range of the sensor to the ADC Increasing the gain to more than 80 maps a smaller portion of the sensor s linear output signal to the ADC If you know the decimal number setting for the gain on your camera the equivalent decibel value can be calculated as follows dB 25 4 5 319 x DN 4 5 BASLER A300b Series 3 15 Operation and Features 3 5 3 Balancing the Gain and Offset on Odd and Even Lines Internally A300b cameras process odd and even lines separately in two different data channels see Figure 3 1 Consequently the gain and offset must be adjusted separately for the odd lines and for the even lines Due to varia
87. l Clock As shown in Figure 2 5 and in Table 2 3 the pixel clock is assigned to the TxClkIn transmit clock pin of the Channel Link transmitter The pixel clock is used to time the sampling and transmission of pixel data as shown in Figures 2 6 and 2 7 The Channel Link transmitter used in A300b cameras requires pixel data to be sampled and transmitted on the falling edge of the clock The frequency of the pixel clock on A300b cameras is 18 MHz Note that the timing used for sampling the data at the Channel Link receiver in the frame grabber varies from device to device On some receivers data must be sam pled on the rising edge of the pixel clock receive clock and on others it must be sampled on the falling edge Also some devices are available which allow you to select either rising edge or falling edge sampling Please consult the data sheet for the receiver that you are using for specific timing information 2 4 4 Frame Valid Bit As shown in Figures 2 6 and 2 7 the frame valid bit indicates that a valid frame is being transmitted 2 4 5 Line Valid Bit As shown in Figures 2 6 and 2 7 the line valid bit indicates that a valid line is being transmitted Pixel data is only valid when the frame valid bit and the line valid bit are both high 2 4 6 Video Data Table 2 3 lists the assignment of pixel data bits to the input pins on the Channel Link transmitter in the camera and the corresponding output pins on the Cha
88. l clock cycle where the starting column is reached the line valid bit will become high For example if you specify the starting column as 3 the line valid bit will become high on the clock cycle where pixel 3 is transmitted see Figure 3 19 After all of the pixels within the width of the AOI have been transmitted the line valid bit will become low indicating that valid line data is no longer being transmitted BASLER A300b Series Operation and Features After all of the lines in the AOI have been transmitted the frame valid bit will become low indicating that valid line data is no longer being transmitted ExSync Signal AOI Starting Line 1 AOI Starting Line 2 j Frame Valid ees arid Starting Column 3 AOI Starting Column 3 AOI Starting Column 3 Line Line 4 Line 2 Line Y Valid z Y 494 A301b or 582 A302b JUUUUL OX XOXOXO EXD DOO XXX OC Data 10 or 8 bits Piel ix LXXX X X A XXX XXX KX KXXX XXX 0p Data 10 or 8 bits N 658 3016 or 782 A302b Figure 3 19 Dual 10 Bit or Dual 8 Bit Output Mode with Level Controlled Exposure If you use a frame grabber which does not take the falling edge of the frame valid bit into account you must also set the frame grabber to the numbe
89. low gain setting the odd line low offset setting the even line low gain setting and the even line low offset setting The test pattern is illuminated with a very dim light source The gain and offset on each channel are set so that the camera returns a gray value of 1 for black and 254 for white These settings are stored in the camera as the odd line high gain setting the odd line high offset setting the even line high gain setting and the even line high offset setting The results of the calibration procedure are shown graphically in Figure 3 15 As you will notice when the illumination is high low gain and offset settings are needed to achieve gray values of 1 and 254 When the illumination is low high gain and offset values are needed Between these two extremes the relationship between the illumination and the required gain and offset is assumed to be linear The area between these two extremes is defined as the normally available gain offset range as shown in Figure 3 16 If you use the Camera Configuration Tool with the auto balance feature selected the left end and the right end of the slides on the Gain and Offset tab correspond to the low end and the high end of the normally available gain and offset range As you move the slides from left to right you are moving through the normal gain offset range and the configuration tool is using the reference values from the calibration procedure to keep the channels in balance For ex
90. m Go on to Section A 8 3 to continue the installation The BIC operates on 24 VDC but the A300b operates on 12 VDC The BIC will convert its 24 VDC input to 12 VDC and will supply 12 VDC to the camera A 18 BASLER A300b Series Using the BIC A 8 2 Making Connections BIC and Camera Mated with a Cable Caution Be sure that all power to your system is switched off before you make or break connections to the camera or the BIC Making or breaking connections when power is on can result in damage to the camera or the BIC 1 Connect a straight through Channel Link Cable from the 26 pin plug on the back of the camera to the 26 pin receptacle on the front of the BIC see Figure A 11 D Sub HD 44 Pin D Sub HD Receptacle 26 Pin Plug Subminiature Round 4 pin plug Straight Through Channel Link Cable 9 pin plug Figure A 11 Attaching a Cable to the Camera and the BIC 2 Attach one end of your video data control signal cable to the 44 pin receptacle on the back of the BIC and the other end to your frame grabber 3 Attach one end of a null modem cable to the nine pin plug on the back of the BIC and the other end to a serial port on your computer 4 Make sure that the power source you will be using to supply the BIC meets the requirements shown in Section A 6 5 Attach the output connector from your power source to the four pin plug on the BIC 6 Switch on the power to your
91. mera configuration tool installation Installa tion is described in the tool s Installation Guide only Added ripple specification to Table 1 2 and Sections 2 6 A 1 2 and A 6 Added note on reverse power and overvoltage protection to Sections 2 1 2 and 2 6 Added maximum cable length specification to Section 2 2 Added information on absolute maximum voltage to Section 2 6 Added a more detailed specification of the green LED to Section 2 7 and Section 6 1 2 BASLER A300b Revision History ii BASLER A300b Index A apply button area of interest explained setting with binary commands B Basler Interface Converter see BIC Bayer filler Blei eesti Pitas I BIC output signals frame valid FVAL line valid LVAL pixel clock PCIK video data sse REX binary command frame binary commands error checking examples explained read command timeouts nervo a Weis write command bitrate setting with binary commands block check character calculating defined cable specifications dats Geeta camera yix camera configuration tool apply button closing the tool installing
92. ming used for sampling the data at the Channel Link receiver in the frame grabber varies from device to device On some receivers TTL data must be sampled on the rising edge of the receive clock and on others it must be sampled on the falling edge Also some devices are available which allow you to select either rising edge or falling edge sampling Please consult the data sheet for the receiver that you are using for specific timing information 2 6 BASLER A300b Series Camera Interface JeqqeJe ewes jeoid s ndjno yu jeuueu aooev S Z 1 peniesey PIIEA 9UJEJ4 ug eieq Od xtd eur OXI exid exid exid OXI exid Xld exid exid exiqd Xld exid exiqd exid LNOM1OXY L LNOXY 9 LNOXY SZ LNOXY veLNOXY eLNOXY LeLNOxa O LNOXY 6L LNOXY 8LLNOXY LNOXY 9LLNOXY ONIXY ONIXH SLLNOXY vLLOOXS LLOOXS LNIXY LN ZLLNOXY LLLNOXY OlLNOXY 6LNOXY 8LNOXY ZLNOXY 9LNOxXY SLNOXY pLNOxy
93. mmand Bit 5 A read or write command could not be executed access denied Bit 6 The length member of the last command does not match the defined length Bit 7 Parameter error currently has no meaning reserved for future use Byte 2 Bit FPGA general error Bit 1 FPGA no FPGA firmware available Bit 2 No FPGA ADC command list available Bit 3 Error in FPGA ADC command list item Bit 4 User set is erroneous Bit 5 Factory set is erroneous Bit 6 EEPROM checksum error this is a checksum used to determine if the contents of the EEPROM are valid Bit 7 No EEPROM command list available 4 26 BASLER A300b Series Configuring the Camera 4 2 10 Bitrate Command Purpose To set the bitrate of the serial communications link The bitrate is changed immediately after the successful receipt of this command The default bitrate is 9600 Type This is a write only command Write Command Cmd ID R W Flag Data Length Data 0x44 0 4 4 Bytes Response None Data Format Byte 1 An ID that specifies the bitrate see table below Byte 2 undefined always write 0x00 Byte 3 undefined always write 0x00 Byte 4 undefined always write 0x00 ID Bitrate 0x12 4800 0x13 9600 0x14 14400 0x15 19200 0x17 38400 Ox19 57600 Ox1A 76800 Ox1B 115200 When changing the bitrate for serial communication use the following procedure Issue the write command with the new bitrate Wait one seco
94. n for the odd lines Odd line gain setting 40 a 47 447 Odd line gain setting 84 6 round to 85 4 Use the odd line high offset and odd line low offset reference values to calculate the offset for the odd lines Odd lines offset setting c 16 46 Odd line offset setting 22 4 round to 22 5 Use the even line high gain and even line low gain reference values to calculate the gain for the even lines Even line gain setting 89 4 round to 89 6 Use the even line high offset and even line low offset reference values to calculate the offset for the even lines Even line offset setting 24 4 round to 24 BASLER A300b Series 3 19 Operation and Features Even line gain setting 40 x 144 53 Even line offset setting 25 ar 16 46 7 Convert the results to hexadecimal Odd line gain setting of 85 decimal 0x0055 Odd line offset setting of 22 decimal 0x0016 Even line gain setting of 89 decimal 0x0059 Even line offset setting Of 24 decimal 0x0018 8 Use the odd line gain odd line offset even line gain and even line offset binary commands to set the gain and offset to the calculated values After you use the commands to enter the calculated values the camera will be operating at 40 of the normally available gain offset range and the odd and even lines will be balanced d For special applications gain and offset can be set to different percentages of the normal gain offset range Ju
95. n the front of the BIC see Figure A 9 Replace the standoffs with pan head screws from the BIC installation kit Remove two screws from the back of the camera as shown in Figure A 9 Replace the screws with six sided standoffs from the BIC installation kit Front of Back of the BIC the Camera Remove these screws and replace them with standoffs Remove these six sided standoffs and replace them with pan head screws Figure A 9 Changing the Screws Hold the camera and the BIC so that the 26 pin plug on the back of the camera is aligned with the 26 pin receptacle on the front of the BIC Press the camera and the BIC together Get two 20 mm long screws from the BIC installation kit Insert the screws through the BIC see Figure A 10 and screw them into the back of the camera This will lock the BIC and the camera together A 17 Using the BIC Subminiature Round 4 pin plug Figure A 10 BIC Mated Directly to Camera 10 11 Attach one end of your video data control signal cable to the 44 pin receptacle on the BIC and the other end to your frame grabber Attach one end of a null modem cable to the nine pin plug on the BIC and the other end to a serial port on your computer Make sure that the power source you will be using to supply the BIC meets the requirements shown in Section A 6 Attach the output connector from your power source to the four pin plug on the BIC Switch on the power to your syste
96. nal will remain high When the camera is operating in free run the length of the control signal period determines the camera s frame rate The control signal period is equal to Timer 1 plus Timer 2 When the camera is operating in free run it exposes and outputs frames continuously In free run only the programmable mode of exposure time control is available In free run programmable mode the pixels are exposed and charge is accumulated when the internal control signal is low The frame is read out and transferred on the rising edge of internal control signal see Figure 3 6 In this mode the exposure time can programmed as desired by varying the setting of the Timer 1 parameter Control Signal Period Timer 2 1 Signal gt gt Exposure frame read out Figure 3 6 Free run Programmable Mode You can set the camera to operate in free run using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the Exposure Tab to set the camera for free run and to select the programmable exposure time control mode If you choose to operate the camera in free run the tool will require you to enter a frame rate and an exposure time on the Exposure Tab The configuration tool will automatically set the Timer 1 and Timer 2 parameters so that the camera will operate with the frame rate and exposure time that you enter
97. nd Change the bitrate on the serial port that the camera is connected to Restart the PC and the camera gt Resume communication BASLER A300b Series 4 27 Configuring the Camera BASLER AB 00b Series Mechanical Considerations 5 Mechanical Considerations 5 1 Camera Dimensions and Mounting Facilities The A300b series camera housing is manufactured with high precision Planar parallel and angular sides guarantee precise mounting with high repeatability A300b series cameras are equipped with four M4 mounting holes on the front and two M4 mount ing holes on each side as indicated in Figure 5 1 Caution To avoid collecting dust on the sensor mount a lens on the camera imme diately after unpacking it BASLER A300b Series 5 1 Mechanical Considerations 2583 SENSITIVE SURFACE OF CCD Figure 5 1 A300b Mechanical Dimensions in mm 5 2 BASLER A300b Series Mechanical Considerations 5 2 C Mount Adapter Dimensions C Mount Adapter EIDEM cs Figure 5 2 C Mount Adapter Dimensions in mm C Mount Adapter on an A300b 115 H PHOTOSENSITIVE SURFACE OF CCD 5 3 F Mount Adapter Dimensions F Mount Adapter 315 02
98. nfiguring the Camera 4 2 4 10 Odd Line Gain Purpose To set the gain for the odd lines or to read the current odd line gain setting See Section 3 5 for more information on gain Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0x80 1 2 Response Cmd ID R W Flag Data Length Data 0x80 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data 0x80 0 2 2 Bytes Response None Data Format Byte 1 Low byte of odd line gain setting Byte 2 High byte of odd line gain setting Data Range Odd line gain settings can range from 0x0000 to 0x01 3F 4 2 4 11 Odd Line Offset Purpose To set the offset for the odd lines or to read the current odd line offset setting See Section 3 5 for more information on offset Type This is a read or write command Read Command Cmd ID R W Flag Data Length Data 0x84 1 2 Response Cmd ID R W Flag Data Length Data 0x84 0 2 2 Bytes Write Command Cmd ID R W Flag Data Length Data 0x84 0 2 2 Bytes Response None Data Format Byte 1 Low byte of odd line offset setting Byte 2 High byte of odd line offset setting Data Range Odd line offset settings can range from 0x0000 to OxOSFF BASLER A300b Series 4 17 Configuring the Camera 4 2 4 12 Even Line Gain Purpose To set the gain for the even lines or to read the current even line gain setting See Section 3 5 for more information on gain Type This is
99. ng the Camera with Binary Programming Commands Commands can be issued to A300b cameras via the RS 232 serial connection using a binary protocol With this protocol data is placed into a frame and sent to the camera Once the data is received it is checked for validity If valid the data is extracted and the command is executed If the command issued to the camera was a read command the camera will respond by placing the requested data into a frame and sending it to the host computer 4 2 1 Command Frame and Response Format 1 Frame STX DESC DATA BCC ETX Response Mabie Figure 4 2 Representation of a Command Frame and Response STX Identifies the start of the frame text Size 1 Byte The value of the STX byte is always 0x02 DESC Descriptor Size 2 Bytes The bits in the descriptor are assigned as follows 8 bits 1 bit 7 bits Command ID Read Write Flag Data Length 0 write 1 read in Bytes The MSB of the descriptor is on the left highest bit of the command ID and the LSB of the descriptor is on the right lowest bit of the data length DATA Data field Size Number of bytes indicated in the Data Length portion of the descriptor BASLER A300b Series BCC ETX Configuring the Camera Block check character Size 1 Byte The block check character is the exclusive or sum XOR sum of the bytes in the descriptor field and the data field Identifies the end of the frame text Size
100. nnel Link receiver in the frame grabber As shown in the table the bit assignments for pixel data varies depending on the output mode setting of the camera The available output modes are explained in more detail in Section 2 4 7 1 Table 2 3 also shows the assignment for the frame valid bit the line valid bit and the pixel clock These assignments are constant for all output modes BASLER A300b Series Camera Interface Camera Frame Grabber Dual 10 Bit Output Mode Dual 8 Bit Output Mode TxINO RxOUTO Odd Pixel Bit 0 Odd Pixel Bit 0 TxIN1 RxOUT1 Odd Pixel Bit 1 Odd Pixel Bit 1 TxIN2 RxOUT2 Odd Pixel Bit 2 Odd Pixel Bit 2 TxIN3 RxOUT3 Odd Pixel Bit 3 Odd Pixel Bit 3 TxIN4 RxOUT4 Odd Pixel Bit 4 Odd Pixel Bit 4 TxIN5 RxOUT5 Odd Pixel Bit 7 Odd Pixel Bit 7 MSB TxIN6 RxOUT6 Odd Pixel Bit 5 Odd Pixel Bit 5 TxIN7 RxOUT7 Odd Pixel Bit 8 Even Pixel Bit 0 TxIN8 RxOUT8 Odd Pixel Bit 9 MSB Even Pixel Bit 1 TxIN9 RxOUT9 Reserved Even Pixel Bit 2 TxIN10 RxOUT10 Reserved Even Pixel Bit 6 TxIN11 RxOUT11 Reserved Even Pixel Bit 7 MSB TxIN12 RxOUT12 Reserved Even Pixel Bit 3 TXIN13 RxOUT13 Even Pixel Bit 8 Even Pixel Bit 4 TxIN14 RxOUT14 Even Pixel Bit 9 MSB Even Pixel Bit 5 TxIN15 RxOUT15 Even Pixel Bit 0 Reserved TxIN16 RxOUT16 Even Pixel Bit 6 Reserved TxIN17 RxOUT17 Even Pixel Bit 7 Reserved TxIN18 RxOUT18 Even Pixel Bit 1 Reserved TxIN19 RxOUT1
101. o send valid data On the pixel clock cycle where frame data transmission begins FVAL will become high On the pixel clock cycle where data transmission for line one begins LVAL will become high Eight of the bits transmitted during this clock cycle will contain the data for pixel number one in line one and eight of the bits will contain data for pixel number two in line one On the next cycle of the pixel clock LVAL will be high Eight of the bits transmitted during this clock cycle will contain the data for pixel number three in line one and eight of the bits will contain data for pixel number four in line one On the next cycle of the pixel clock LVAL will be high Eight of the bits transmitted during this clock cycle will contain the data for pixel number five in line one and eight of the bits will con tain data for pixel number six in line one This pattern will continue until all of the pixel data for line one has been transmitted A total of 329 cycles for the A301b or 391 cycles for the A302b After all of the pixels in line one have been transmitted LVAL will become low indicating that valid data for line one is no longer being transmitted On the pixel clock cycle where data transmission for line two begins LVAL will become high Eight of the bits transmitted during this clock cycle will contain the data for pixel number one in line two and eight of the bits will contain data for pixel number two in line two On the next c
102. oes not use the optics CCD sensor VGCs or ADCs The test image consists of lines with repeated gray scale gradients ranging from 0 to 255 The first line starts with a gray value of 0 on the first p pixel The second line starts with a gray value of 1 on the first pixel The third line starts with a gray value of 2 on the first pixel and so on The mathematical expression for the test image is gray level x y MOD 256 This expres sion is shown graphically in Figure 3 21 If the camera is set for an exposure mode that uses an ExSync signal an ExSync signal is required to output the test image If the camera is set for free run each cycle of the camera s internal sync signal will trigger the output of a test image Figure 3 20 Test Image gray levels 255 ixel 0 e Figure 3 21 Formation of Test Image d When the test image is active the gain offset and exposure time have no effect on the image Digital shift makes the test image appear very light therefore digital shift should be disabled when the test image is active You can put the camera in test image mode using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the Test Image Tab to select the test image With binary commands you use Test Image command BASLER A300b Series 3 29 Operation and Features 3 9 Configuration Sets The camera s a
103. ou use them if one is available for your type of frame grabber After you checked the DCF file is the problem still present Yes Check all of the cables in the system Check Section 2 2 of this manual and make sure that you are using a cable that has the right characteristics and is not too long It is extremely important to use the proper cables when you are working with Channel Link based cameras Use an ohm meter to check each wire to see of it is broken or shorted to any of the other wires in the cable gt Exit this is Examine the terminations on each end of the cable Look for broken pins poor crimps or poor solder joints Check the pinout chart that appears in Section 2 1 2 of this manual and the pinout diagrams in your frame grabber manual Make sure that your cables are correctly wired After you checked the cables is the problem still present Yes Contact Basler Technical Support The contact numbers appear on the title page of this manual Before you call for support be sure to make note of the camera settings and the frame grabber settings you are using You should also have a captured live image and a captured test image available Technical support will frequently request that you e mail copies of these captured images BASLER A300b Series 6 5 Troubleshooting Interfacing Chart B with a BIC Always switch off power to the system before making or breaking any connection Reseat all of the cabl
104. ough connection with no active circuitry A 6 Power Supply The BIC requires a 24 VDC 10 power supply The maximum wattage required for a BIC attached to an A300b series camera is approximately 6 W d The BIC operates on 24 VDC but the A300b operates on 12 VDC The BIC will con vert its 24 VDC input to 12 VDC and will supply 12 VDC to the camera DO NOT apply 24 VDC to the camera A 7 Status LED Green LED When the green LED on the BIC is lit it indicates that power is being supplied to the BIC A 16 BASLER A300b Series A 8 BASLER A300b Series Using the BIC Installing the Camera and the BIC The camera and BIC can be installed in two ways the BIC can be attached directly to the camera or the BIC can be connected to the camera with a cable If you are installing a system with the BIC directly attached to the camera start your installation with Section A 8 1 If you are installing a system with the BIC and camera connected with a cable start your installation with Section A 8 2 A 8 1 Making Connections BIC Directly Attached to Camera Caution Be sure that all power to your system is switched off before you make or break connections to the camera or the BIC Making or breaking connections when power is on can result in damage to the camera or the BIC Remove the six sided standoffs on each side of the 26 pin plug on the back of the camera and on each side of the 26 pin receptacle o
105. ower protection Therefore always observe the polarity as indicated in Table 2 1 on page 2 BASLER A300b Series 2 13 Camera Interface 2 7 2 8 Status LEDs Green LED When the green LED on the back of the camera is not lit it means that no voltage or a voltage below 10 4 V is present When the green LED is lit it means that a voltage of 10 4 V or higher is present The camera has no overvoltage protection Therefore always observe the power requirements as described in Section 2 6 Yellow LED The yellow LED on the back of the camera indicates signal integrity At power up the LED will light for several seconds as the microprocessor in the camera boots up If all is OK the LED will then remain lit continuously If an error condition is detected at any time after the microprocessor boots up the LED will begin to blink an error code See Section 6 for details Converting Channel Link Video Output to RS 644 with a BIC As mentioned in Section 2 4 video data is output from A300b cameras in Channel Link LVDS format The video output from the camera can be converted to RS 644 LVDS by using a Basler Interface Converter BIC The BIC is a small device which attaches to the A300b For complete information on installing and using the BIC refer to Appendix A BASLER A300b Series 3 1 Operation and Features Basic Operation and Features Functional Description A300b area scan cameras employ a CCD sensor chi
106. p which provides features such as electronic exposure time control and anti blooming Exposure time is normally controlled via an externally generated trigger signal ExSync The ExSync signal facilitates periodic or non periodic pixel readout When exposure is controlled by an ExSync signal exposure time can be either level controlled or programmable In level controlled mode charge is accumulated when the ExSync signal is low and arising edge of ExSync triggers the readout of accumulated charges In programmable mode exposure time can be programmed to a predetermined time period In this case exposure begins on the rising edge of ExSync and accumulated charges are read out when the programmed exposure time ends A free run mode that allows the camera to operate without an ExSync signal is also available In free run mode the camera generates its own internal control signal and the internal signal is used to control exposure and charge read out When operating in free run the camera outputs frames continuously At readout accumulated charges are transported from the light sensitive sensor elements pixels to the CCD vertical shift registers The charges from the bottom two lines of pixels in the CCD array are then moved into two horizontal shift registers as shown in Figure 3 1 As charges move out of the two horizontal shift registers they are converted to voltages proportional to the size of each charge Shifting is clocked according to th
107. put of the sensor maps directly to the input voltage range of the ADC Gain is adjustable and can be programmed on a decimal scale that ranges from 0 to 319 0x0000 to 0x013F The settings result in the following amplification e 0 45dB 3192 34 5 dB n between amplification in dB is linear The gain can be adjusted in steps of 09 dB The desired 12 dB default gain is achieved when the gain is programmed to 80 0x0050 You should find that the default gain setting on your camera is near to this value Reducing the gain below 80 results in mapping more than the linear operating range of the sensor to the ADC Increasing the gain to more than 80 maps a smaller portion of the sensor s linear output signal to the ADC If you know the decimal number setting for the gain on your camera the equivalent decibel value can be calculated as follows dB 2 4 5 319 x DN 4 5 BASLER A300b Series Operation and Features 3 5 2 Gain Settings in More Detail A302b and A302bc The output signal from the pixels in the CCD sensor normally ranges from 0 Volts when the pixels have been exposed to no light to 0 375 Volts when they have been exposed to bright light Within that range the sensor characteristics are linear Saturation starts at 0 375 Volts Further exposure results in a higher sensor output signal but linearity is no longer guaranteed The default factory gain is set for an amplification factor of 5 33 14 5 dB At th
108. r For 9 8 7 6 5 4 3 2 1 0 example assume that the camera is set for no shift that it is viewing a uniform white target and that under these conditions the reading for the brightest pixel is 100 If you changed the digital oe Shifted Twice noz y Dor shift setting to shift twice the reading would increase to 400 d Note that if bit 9 or bit 8 is set to 1 all of the other bits will automatically be set to 1 This means that you should only use the shift twice setting when your pixel readings in 10 bit mode with no digital shift are all below 256 Shift Three Times When the camera is set to shift three times the output from the camera will include bit 6 though bit 0 from each ADC along with three ADC zeros as LSBs uniform white target and that under these bit bit bit bit bit bit bit bit bit bit The result of shifting three times is that the 3 2 1 output of the camera is effectively multiplied by eight For example assume that the M camera is set for no shift that it is viewing a E Shifted 3 Times conditions the reading for the brightest pixel is 100 If you changed the digital shift setting to shift three times the reading would increase to 800 d Note that if bit 9 bit 8 or bit 7 is setto 1 all of the other bits will automatically be set to 1 This means that you should only use the shift three times setting when your pixel readings in 10 bit mode wit
109. r of vertical pixels in the area of interest For example when you have an area of interest that is 10 lines high you must set the grabber for a 10 pixel image height Otherwise the grabber will show no effect If you use a frame grabber which does not take the falling edge of the line valid bit into account you must also set the frame grabber to the number of horizontal pixels in the area of interest For example when you have an area of interest that is 500 columns wide you must set the grabber for a 500 pixel image width Otherwise the grabber will show no effect You can set the area of interest using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the Features Tab to set the area of interest With binary commands you use the Area of Interest Starting Column Area of Interest Width in Columns Area of Interest Starting Line and Area of Interest Height in Lines commands BASLER A300b Series 3 27 Operation and Features 3 7 1 Area of Interest Setup Rules When setting up the area of interest several rules must be followed The rules vary based on the model of camera that you are using The setup rules are listed below For the A301b and the A301bc The setting for the width in columns must be divisible by 2 The setting for the height in lines must be divisible by 2 The sum of the setting for the Starting Column plu
110. r the A301b 12 5 ms for the 01 16 66 ms for the A302b and 16 66 ms for the A302bc With very low exposures use flash light to prevent smearing BASLER A300b Series Operation and Features 3 4 Video Data Output Modes A300b cameras can output video data using two different modes Dual 10 Bit mode or Dual 8 Bit mode These modes are described in detail in Section 2 4 7 1 You can select the video data output mode using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the Output Version Tab to select the data output mode and with binary commands you use the Video Data Output Mode command 3 5 Gain and Offset The major components in the A300b electronics include a CCD sensor two VGCs Variable Gain Controls and two ADCs Analog to Digital Converters The pixels in the CCD sensor output voltage signals when they are exposed to light These voltages are amplified by the VGCs and transferred to the ADCs which convert the voltages to digital output increasing gain signals increases the amplitude of Two parameters gain and offset are associated with the input signal each VGC As shown in Figures 3 13 and 3 14 increasing or decreasing the gain increases or 4 Y decreases the amplitude of the signal that is input to light intensity u J cm the ADC Increasing or decreasing the offset moves the
111. rcuitry The BIC requires a 24 VDC power input A300b cameras however require 12 VDC power The BIC converts incomming 24 VDC to 12 VDC and supplies 12 VDC to the camera BASLER A300b Series A 1 Using the BIC Basler Interface Converter Configuration Commands 4 Configuration Commands to Camera in to Camera in RS 232 Format RS 232 Format Command Responses Command Responses from Camera from Camera RS 644 LVDS Transmitter Video Data RS 644 LVDS Video Data from Camera Channel Transmitter To Frame in Channel Link Grabber in HUE Ee Receiver RS 644 LVDS RS 644 LVDS Format Transmitter Format RS 644 LVDS Transmitter eek ExSync Signal in RS 644 LVDS sc ahd a Format 12 VDC DC DC 24 to Camera VDC Figure A 1 BIC Block Diagram A 1 2 BIC Specifications Category Specification Video Input Channel Link LVDS Video Output RS 644 LVDS Pixel Clock Speed 18 MHz when the attached to an A300b camera Power Requirements 24 VDC 10 max 6 W when attached to an A300b camera Size 35 5 x 59 5 x 59 5 mm L x W x H Weight 110 g Table A 1 BIC Specifications A 2 BASLER A300b Series Using the BIC A 1 3 BIC Environmental Requirements A 1 3 1 Temperature and Humidity Housing temperature during operation 0 C 50 C 32 122 F Humidity during operation 20 80 relative non condensing A 1 3 2 Ventilation Allow sufficient air
112. re a Timer 1 m gt 14 187 us gt 1 4 19 0 us A301b mat 224 A302b N 494 A301b N2 N4 N DE Ae Bee 285 794 2 N1 N 582 3020 n effective exposure j g 24 1 us A301b 28 1 us A302b shifted exposure time gt Lia JAILLLLLLi 2 8 us 4 4 29 us Figure 3 12 Free run Programmable Mode Exposure Start with Frame Valid High Whenever a frame is being transferred regularly spaced discharge pulses are generated If the control signal goes low while a frame is being transferred it is not possible to generate a discharge pulse asynchronously In this case the start of exposure is shifted to the end of the last regular discharge pulse The discharge pulses scheduled during exposure are suppressed The microcontroller detects the shift in the start of exposure and it makes a corresponding shift in the end of the exposure The end of the shifted exposure time triggers readout Readout occurs after a delay of 2 8 us Readout takes 2 9 us during which exposure continues Effective exposure n 5 7 ps n Timer 1 d FVAL must be low for at least 1 ns before the end of the shifted exposure The internal control signal must remain high for a minimum of 1 us The minimum ExSync signal period is 12 5 ms fo
113. read command with an unknown command ID in the descriptor it will respond with an ACK but will not send a frame If the host sends a read command and gets no ACK NAK the host can assume that no camera is present If the host sends a read command and gets an ACK NAK but does not receive a frame within 500 ms the host can assume that there was a problem with the read command 4 2 2 4 Write Command In the normal case when a write command is sent to the camera the camera responds with an ACK If the camera receives a write command with an unknown command ID in the descriptor it will respond with an ACK but will not perform the write After a write command has been issued by the host the host can verify the write by issuing a corresponding read command and checking that the returned data is as expected The host can also issue a camera status read command see Section 4 2 9 and check the returned data to see if an error condition has been detected d For many of the write commands listed in the tables on pages 5 9 through 5 27 only data within a specified range or a specified group of values is valid The camera does not perform a check to see if the data in the write command is within the al lowed range or specified group of allowed values BASLER A300b Series Configuring the Camera 4 2 3 Example Commands 4 2 3 1 Read Command An example of the command message used to read the camera status is 0x02 0x02
114. round the camera to prevent internal heat build up in your system and to keep the camera housing temperature during operation below 50 C Provide additional cooling such as fans or heat sinks if necessary Warning Without sufficient cooling the camera can get hot enough during opera tion to cause burning when touched BASLER A300b Series 1 5 Introduction 1 4 1 6 Precautions Power Caution Be sure that all power to your system is switched off before you make or break connections to the camera Making or breaking connections when power is on can result in damage to the camera Read the manual Read the manual carefully before using the camera Keep foreign matter outside of the camera Do not open the casing Touching internal components may damage them Be careful not to allow liquid flammable or metallic material inside the camera housing If operated with any foreign matter inside the camera may fail or cause a fire Electromagnetic Fields Do not operate the camera in the vicinity of strong electromagnetic fields Avoid electrostatic charging Transporting Only transport the camera in its original packaging Do not discard the packaging Cleaning Avoid cleaning the surface of the CCD sensor if possible If you must clean it use a soft lint free cloth dampened with a small quantity of pure alcohol Do not use methylated alcohol Because electrostatic discharge can damage
115. rting Column C rTI CTICTLCTICTECTTECTTT TTTTIMT MT TEMO LCI es Line 20 Line 19 Line 18 Line 17 Line 16 Line 15 4 Line 14 Area of interest Line 13 Line 12 Line 11 Height Line 10 Lines n Line 8 Line 7 Line 6 Line5 i JL IL IL IL IET 00 Line 4 Line 3 Starting Line 2 A Line Line 1 Column 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Figure 3 18 Area of Interest All pixels in invalid lines are transferred as dark pixels gray value 0 The number of transferred pixels does not decrease when the area of interest feature is used The maximum achieveable frame rate does not increase when the area of interest feature is used Validity of pixels is signalled using the frame valid and line valid bits On the pixel clock cycle where AOI data transmission begins the frame valid bit will become high For example if you specify the starting line as 2 the frame valid bit will become high on the clock cycle where line 2 begins see Figure 3 19 On the pixe
116. s a read only command Read Command Cmd ID R W Flag Data Length Data 0x01 1 16 Response Cmd ID R W Flag Data Length Data 0x01 0 16 16 Bytes Data Format Zero terminated string if less than 16 bytes are needed for the vendor information Unterminated string if all 16 bytes are needed BASLER A300b Series Configuring the Camera 4 2 7 4 Read Model Information Purpose To read the camera s model number Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x02 1 16 Response Cmd ID R W Flag Data Length Data 0x02 0 16 16 Bytes Data Format Zero terminated string if less than 16 bytes are needed for the model information Unterminated string if all 16 bytes are needed 4 2 7 5 Read Product ID Purpose read the camera s product ID number Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x03 1 16 Response Cmd ID R W Flag Data Length Data 0x03 0 16 16 Bytes Data Format Zero terminated string if less than 16 bytes are needed for the product ID information Unterminated string if all 16 bytes are needed 4 2 7 6 Read Serial Number Purpose To read the camera s serial number Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x04 1 16 Response Cmd ID R W Flag Data Length Data 0x04 0 16 16 Bytes Data Format Zero terminated string if less than 16 bytes are
117. s the setting for the Width in Columns can not exceed 659 The sum of the setting for the Starting Line plus the setting for the Height in Lines can not exceed 495 In normal operation the camera is set to use all of the pixels in the array To use all of the pixels the starting column should be set to 1 the width in columns should be set to 658 the starting line should be set to 1 and the height in lines should be set to 494 For the A302b and the A302bc The setting for the width in columns must be divisible by 2 The setting for the height in lines must be divisible by 2 The sum of the setting for the Starting Column plus the setting for the Width in Columns can not exceed 783 The sum of the setting for the Starting Line plus the setting for the Height in Lines can not exceed 583 In normal operation the camera is set to use all of the pixels in the array To use all of the pixels the starting column should be set to 1 the width in columns should be set to 782 the starting line should be set to 1 and the height in lines should be set to 582 BASLER A300b Series Operation and Features 3 8 Test Image The test image mode is used to check the camera s basic functionality and its ability to transmit an image via the video data cable The test image can be used for service purposes and for failure diagnostics In test mode the image is generated with a software program and the camera s digital devices and d
118. sh BASLER A300b Series A 3 Using the BIC A 2 BIC Interface Description A 4 A 2 1 Connections A 2 1 1 General Description The BIC is interfaced to external circuitry via one connector on its front and three connectors on its back Figure A 2 shows the connector types used on the BIC and shows the location of the power indicator LED Figure A 3 provides a general description of the function of each connector on the BIC Figure A 4 shows how the pins in the BIC s connectors are numbered D Sub HD 26 Pin Receptacle Figure A 2 BIC Connector Types D Sub HD 44 Pin Receptacle Subminiature Round 4 pin plug 9 pin plug BASLER A300b Series Using the BIC f Green LED Rear View Power OK EXSYNC In Digital Video Out FVAL Out LVAL Out Pixel Clock Out Serial Port 24 V Power In RXD TXD Connection to Camera Front View Figure A 3 BIC Connectors and Signals Rear View Front View Figure A 4 BIC Pin Numbering BASLER A300b Series A 5 Using the BIC A 6 A 2 1 2 Pin Assignments The D Sub HD 26 pin receptacle on the front of the BIC is used to interface video data and control signals with the camera The pin assignments for the receptacle are shown in Table A 2 Pin Signal 2 a NERE Direction Level Function 1 9 18 DC Gnd Output Ground DC Ground 19 25 26 1 2 20 2 12 VDC Output
119. st make sure that the gain for the odd and the even lines is set to the same percentage and that the offset for the odd and the even lines is set to the same percentage For example if you wanted to set the gain to 6096 and the offset to 4096 make sure that the odd line gain and the even line gain are both set to 6096 of the normal range and that the odd line offset and the even line offset are both set to 4096 of the normal range Setting the gain and the offset to significantly different percentages may substan tially reduce image quality 3 20 BASLER A300b Series Operation and Features 3 6 Digital Shift The digital shift feature allows you to change the group of bits that is output from each ADC Using the digital shift feature will effectively multiply the output of the CCD sensor by 2 times 4 times or 8 times Section 3 6 1 describes how digital shift works when the camera is operating in 10 bit output mode and Section 3 6 2 describes how digital shift works when the camera is operating in 8 bit output mode You can set digital shift using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the Features Tab to set digital shift and with binary commands you use the Digital Shift command 3 6 1 Digital Shift in 10 bit Output Mode No Shift As mentioned in Section 3 1 A300b cameras use 10 bit ADCs to digitize the output from the
120. switch off power to the system before making or breaking any connection Check the COM port that you are using for serial communications Make sure that the port is set for 8 data bits no parity 1 stop bit and 9600 baud After the port settings correct Yes Check the PC and make sure that the serial cable is plugged into the correct connector On PCs with multiple serial port connectors it is easy to plug the cable into the wrong connector Is the cable plugged into the correct connector Yes Check the wiring between the camera and the serial port on the computer The wiring should be as described in Section 2 5 1 Also the wires for the serial connection should be no more than 15 meters long Is the cable the correct length and is it wired correctly Yes Try using a different COM port on your computer For example if you have been using COM port 1 try using COM port 2 instead When you do this make sure that the port is set for 8N1 and 9600 baud Also make sure that the serial cable is plugged into the correct connector on the computer Be sure to restart your computer after you make the port change Is the problem still present after you changed the port Yes Correct the settings No and then restart your computer N Change the 6 ad N Replace the cable N Exit this i is Contact Basler Technical Support The contact numbers appear on the title page of this manual
121. system 7 Goon to Section A 8 3 to continue the installation The BIC operates on 24 VDC but the A300b operates on 12 VDC The BIC will convert its 24 VDC input to 12 VDC and will supply 12 VDC to the camera BASLER A300b Series A 19 Using the BIC A 8 3 Setting Up the Serial Port The RS 232 serial connection between your computer and the camera is used to issue commands to the camera for changing camera modes and parameters In order for your camera to receive commands it must be connected to a serial port and the serial port must be set up correctly Make sure that the serial port your camera is connected to has the following settings 8 data bits no parity e 1 stop bit baud rate 9600 bps You must use the computer s control panel to set up the serial port If you are not familiar with setting up a serial port on your computer refer to the manual or help files for your computer s operating system Once you have set up the serial port go on to Section A 8 4 A 8 4 Installing the Camera Configuration Tool The Camera Configuration Tool CCT is a Windows based program used to easily change the camera s settings The tool communicates with the camera via the serial connection For instructions on installing the tool see the CCT installation booklet that was shipped with the camera A 8 5 Next Steps Look at each of the Tabs in the Camera Configuration Tool and look through the on line h
122. t if bit 9 bit 8 or bit 7 is setto 1 all of the other bits will automatically be set to 1 This means that you should only use the shift once setting when your pixel readings in 8 bit mode with no digital shift are all below 32 BASLER A300b Series Operation and Features 3 6 3 Precautions When Using Digital Shift There are several checks and precautions that you must follow before using the digital shift feature The checks and precautions differ depending on whether you will be using the camera in 10 bit output mode or in 8 bit output mode If you will be using the camera in 10 bit output mode make this check 1 Use binary commands or the Output Version Tab on the configuration tool to put the camera in 10 bit output mode 2 Use binary commands or the Features Tab to set the camera for no digital shift 3 Check the output of the camera under your normal lighting conditions with no digital shift and note the readings for the brightest pixels If any of the readings are above 512 do not use digital shift e Ifall of the readings are below 512 you can safely use the 2X digital shift setting Ifall of the readings are below 256 you can safely use the 2X or 4X digital shift setting e Ifall of the readings are below 128 you can safely use the 2X 4X or 8X digital shift setting If you will be using the camera in 8 bit output mode make this check 1 Use binary commands or the Output Version Tab on the configuration
123. ta for pixel number three in line one and ten of the bits will contain data for pixel number four in line one On the next cycle of the pixel clock the line valid bit will be high Ten of the bits transmitted during this clock cycle will contain the data for pixel number five in line one and ten of the bits will contain data for pixel number six in line one This pattern will continue until all of the pixel data for line one has been transmitted A total of 329 cycles for the A301b or 391 cycles for the A302b EN The data sequence assumes that the camera is operating in 10 bit mode If the camera is operating in 8 bit mode only 8 bits of data per pixel will be transmitted BASLER A300b Series Camera Interface After all of the pixels in line one have been transmitted the line valid bit will become low indi cating that valid data for line one is no longer being transmitted On the pixel clock cycle where data transmission for line two begins the line valid bit will become high Ten of the bits transmitted during this clock cycle will contain the data for pixel number one in line two and ten of the bits will contain data for pixel number two in line two On the next cycle of the pixel clock the line valid bit will be high Ten of the bits transmitted during this clock cycle will contain the data for pixel number three in line two and ten of the bits will contain data for pixel number four in line two On the next cycl
124. th Data 0x47 0 1 1 Byte Response None Data Format Byte 1 An ID that specifies the set see the table below SetID Set 0x00 Factory Set 0x01 User Set 1 0x02 User Set 2 0x03 User Set 3 0x04 User Set 4 0x05 User Set 5 0x06 User Set 6 0x07 User Set 7 0x08 User Set 8 0x09 User Set 9 OxOA User Set 10 0x0B User Set 11 0x0C User Set 12 0x0D User Set 13 OxOE User Set 14 OxOF User Set 15 BASLER A300b Series 4 25 Configuring the Camera 4 2 9 Camera Status Command Purpose The camera has been programmed to detect several error conditions When an error condition is detected a flag is set The status command allows you to read the error flags Type This is a read only command Read Command Cmd ID R W Flag Data Length Data 0x43 1 2 Response Cmd ID R W Flag Data Length Data 0x43 0 2 2 Bytes Data Format Byte 1 Each bit specifies an error condition see table below If a bit is set to 1 the error condition assigned to that bit is present If the bit is set to 0 the error is not present Byte 2 Each bit specifies an error condition see table below If a bit is set to 1 the error condition assigned to that bit is present If the bit is set to 0 the error is not present Byte 1 Bit 0 No ExSync signal in the last 5 seconds Bit 1 A reset has occurred Bit 2 The camera is unlocked Bit 3 Reserved Bit 4 Unknown command ID specified in a read or write co
125. the CCD sensor you must use a cloth that will not generate static during cleaning cotton is a good choice To clean the surface of the camera housing use a soft dry cloth To remove severe stains use a soft cloth dampened with a small quantity of neutral detergent then wipe dry Do not use volatile solvents such as benzine and thinners they can damage the surface finish BASLER A300b Series Camera Interface 2 Camera Interface 2 1 Connections 2 1 1 General Description A300b series cameras are interfaced to external circuitry via a single high density 26 pin D Sub plug located on the back of the camera Figure 2 1 shows the plug and the two status LEDs which indicate signal integrity and power OK Yellow LED signal integrity Green LED power OK D Sub HD 26 Pin Plug Figure 2 1 A300b Connector and LEDs BASLER A300b Series 2 1 Camera Interface 2 2 2 1 2 Pin Assignments The pin assignments for the D Sub HD 26 plug used to interface video data control signals and power are shown in Table 2 1 Pin Signal Number Direction Level Function 1 9 18 DC Gnd Input Ground DC Ground 19 25 26 2 20 2 12 VDC Input 12 VDC x 1096 DC Power 22 RxD Input RS 232 RS 232 Serial Communication Data Receive 24 TxD Output RS 232 RS 232 Serial Communication Data Transmit 21 23 Signal Gnd Input Ground Signal Ground 11 ExSyn
126. the Sets Tab on Factory Set to the Work Set Take the camera out of test image mode Is the problem still present Images are too bright or too dark Do the following Make sure that the lens cap has been removed Check the lens aperture If the images are too dark try opening the aperture Try closing the aperture if they are too bright Check the exposure time If the images are too dark try increasing the exposure Try decreasing the exposure if they are too bright Check your light source If the images are too dark try increasing your light intensity Try decreasing the intensity if they are too bright Check your gain setting If the images are too dark try increasing the gain Try decreasing the gain if they are too bright Has the problem been corrected Yes Exit this chart No Yes the configuration tool to copy the and capture a normal image Yes Images look noisy Do the following Make sure that you are using a DC light source Using an AC light source can make images appear noisy Make sure that the camera has proper ventilation If the camera becomes extremely hot it may produce noisy images Check the exposure time If you use an extremely long exposure time the images can become noisy Check your gain setting Using a very low or a very high gain setting can cause noisy images Examine the objects that you are imaging Objects with characteristics such
127. tions in the camera s electronics the gain and offset needed to correctly map the output from the odd lines to the odd channel ADC may be different from the gain and offset needed to map the output from the even lines to the even channel ADC Gain alignment between the channels is important to maintain uniform output data with minimal gray value differences between odd and even lines Basler performs a calibration procedure on each camera before it leaves the factory and the results of the procedure are stored in the camera The results of the calibration procedure can be used to calculate gain and offset settings that will keep the odd and even channels in balance If you use the Camera Configuration Tool see Section 4 1 to set the gain and offset on your camera the auto balance feature on the Gain and Offset Tab will automatically use the stored calibration values to keep the channels in balance If you use binary commands see Section 4 2 to set gain and offset you can use the calibration values to calculate gain and offset settings that will keep the channels in balance The calibration procedure is performed as follows A standard black and white test pattern is placed in the camera s field of view The test pattern is illuminated with a very bright light source The gain and offset on each channel are set so that the camera returns a gray value of 1 for black and 254 for white These settings are stored in the camera as the odd line
128. tool to put the camera in 8 bit output mode 2 Use the binary commands or the Features Tab to set the camera for no digital shift 3 Check the output of the camera under your normal lighting conditions with no digital shift and note the readings for the brightest pixels If any of the readings are above 128 do not use digital shift Ifall of the readings are below 128 you can safely use the 2X digital shift setting Ifall of the readings are below 64 you can safely use the 2X or 4X digital shift setting e Ifall of the readings are below 32 you can safely use the 2X 4X or 8X digital shift setting BASLER A300b Series 3 25 Operation and Features 3 7 Area of Interest AOI The area of interest feature allows you to specify a portion of the CCD array and during operation all pixels are transferred out of the camera but only the pixel information from the specified portion is signalled as valid to the frame grabber Pixels outside the AOI are read out but signalled as invalid to the grabber The size of the area of interest is defined by declaring a starting column a width in columns a starting line and a height in lines For example suppose that you specify the starting column as 11 the width in columns as 16 the starting line as 5 and the height in lines as 10 As shown in Figure 3 18 the camera will transmit all pixel data but only the pixels from within the defined area will be valid Width in Columns Sta
129. tor If you check the table on page 5 24 you will find that the ID for the command to copy the Work Set to a User Set is 0x46 is the second byte of the descriptor The MSB in this byte represents the read write flag and since this is a write command the bit should be set to a 0 The other seven bits of this byte represent the data size in bytes that will be transferred using this command If you check the table on page 5 24 the data size for the copy Work Set to User Set command is 1 byte So the arrangement of the bits in the second byte of the descriptor should be 0000 0001 which translates to 0x01 is the data byte If you check the table on page 5 24 you will find that to copy the Work Set to User Set 2 the data byte must be set to 0x02 is the block check character BCC See page 5 8 for instructions on calculating a BCC is the ETX The ETX is always 0x03 4 7 Configuring the Camera 4 2 3 3 Calculating the Block Check Character The block check character in any A300b command is the exclusive or sum XOR sum of the bytes in the descriptor and the data fields For the write command example shown in Section 4 2 3 2 the block check character is 0x45 Let s consider how this block check character was calculated In this case we must find the XOR sum of three bytes This is done by finding the XOR sum of the first two bytes and then by taking the result and finding the XOR sum of the result plus the third byte Calculatin
130. trol signals output from the BIC and the ExSync control signal input to the BIC use LVDS technology as specified for RS 644 As shown in Figure 8 the BIC uses National Semiconductor DS90LV047A differential line drivers to generate the LVDS output signals DOutO through DOut15 FValOut LValOut and PCIkOut The ExSync control signal input to the BIC passes straight through the BIC and into the camera The camera uses a National Semiconductor DS90LV048A differential line receiver to receive the ExSync input signal Detailed spec sheets for these devices are available at the National Semiconductor web site www national com A 4 3 1 RS 644 RS 422 Compatibility Outputs From the BIC The output voltage level for the RS 644 differential line drivers used in the BIC can range from a low of 0 90 V to a high of 1 6 V The typical voltage swing for these devices is 0 31 V The receive threshold for typical RS 422 receivers is well within the 0 31 V swing generated by the RS 644 line drivers Also the input voltage tolerance for typical RS 422 receivers is well above the output voltage generated by the RS 644 devices For these reasons typical RS 422 receivers are compatible with the RS 644 signals output from the BIC Inputs to The BIC As shown in Figure A 8 the ExSync signal input to the BIC passes directly through the BIC and on to the camera The input voltage tolerance for the RS 644 receiver used in the camera is 0 0 V to 3 9 V
131. y value differences between odd and even lines See Section 3 5 3 for more detailed information on balancing the gain BASLER A300b Series 3 13 Operation and Features d Because increasing gain increases both signal and noise the signal to noise ratio does not change significantly when gain is increased You can set the gain and offset using either the Camera Configuration Tool see Section 4 1 or binary commands see Section 4 2 With the Camera Configuration Tool you use the slide controls on the Gain and Offset Tab to easily adjust gain and offset With binary commands you must use the Odd Line Gain and Even Line Gain commands to set the gain and the Odd Line Offset and Even Line Offset commands to set the offset 3 5 1 Gain Settings in More Detail A301b and A301bc The output signal from the pixels in the CCD sensor normally ranges from 0 Volts when the pixels have been exposed to no light to 0 5 Volts when they have been exposed to bright light Within that range the sensor characteristics are linear Saturation starts at 0 5 Volts Further exposure results in a higher sensor output signal but linearity is no longer guaranteed The default factory gain is set for an amplification factor of 4 12 dB At this setting the sensor s normal linear output range of 0 V 0 5 V is amplified to O V 2 0 V The peak to peak input range of the ADC is 0 V 2 0 V Thus when the gain is at factory default the amplified out
132. ycle of the pixel clock LVAL will be high Eight of the bits transmitted during this clock cycle will contain the data for pixel number three in line two and eight of the bits will contain data for pixel number four in line two On the next cycle of the pixel clock LVAL will be high Eight of the bits transmitted during this clock cycle will contain the data for pixel number five in line two and eight of the bits will con tain data for pixel number six in line two This pattern will continue until all of the pixel data for line two has been transmitted A total of 329 cycles for the A301b or 391 cycles for the A302b After all of the pixels in line two have been transmitted LVAL will become low indicating that valid data for line two is no longer being transmitted The camera will continue to transmit pixel data for each line as described above until all of the lines in the frame have been transmitted After all of the lines have been transmitted FVAL will become low indicating that a valid frame is no longer being transmitted Figure A 6 shows the data sequence when the camera is operating in level controlled exposure mode Figure A 7 shows the data sequence when the camera is operating in programmable exposure mode BASLER A300b Series BASLER A300b Series Using the BIC ExSync Signal 11 92 ms A301b 21 k 193 us 16 37 ms A302b b EE cesi 19 0 us A301b o us 22 0 bs A3020 A 9

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