laso_op_manual_v400.
Contents
1. laser array 7 laser 1 20 on off according to bitmask x x x fill in no ASCII bytes but hexadecimal coded bytes Each ACU also can be configured to control a fan of the laser array If the feature fan control is active the ACU sends an error number if the fan signal is missing DM1 ACU 3 fan control is active Parameters are not taken over during an ongoing laser pulse 2 2 2 Reading Unit Parameters and Measured Values All unit configuration data and parameters can be requested directly from the corresponding unit C B read LCU 1 configuration data D read ACU 2 fan control setting TI read current setting value from LCU 8 LIG read pulse time setting value from LCU 2 O C read pulse period time setting value from LCU 2 P B read number of generated pulses from LCU 1 B K3 read maximum laser temperature from ACU 1 F4 read shortened laser of laser array 4 Furthermore there exists many commands for reading measured values from LASO units A D read measured laser current from LCU 3 32 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual U E read measured laser array voltage from LCU 4 G R4 read peltier 1 temperature from ACU 8 2 2 3 Controlling Operation Local Mode Remote Mode The LASO system may operate as standalone device or controlled by PC To specify2. the answer from the SCU operator is nearly of the same format as the write command operator 2 3 1 Unit Configuration and Parameters C lt u gt lt group gt lt type gt LCU ACU configuration Function Configure or reconfigure a LCU unit and the corresponding ACU unit Notes A LCU always accepts this command except a laser pulse being active When LASO is in remote mode with the feature writing parameters to chip card enabled the configuration is also written to chip card Addressing a LCU and setting it to group 1 or 2 the corresponding ACU is set to active too e g when setting LCU 1 B to group 2 ACU 1 K is automatically set to active Operator is possible answer belongs to LCU unit Parameters lt u gt B T address of selected unit lt group gt LCU set to inactive state ACU inactive 0 1 LCU belongs to group 1 ACU active 2 LCU belongs to group 2 ACU active 34 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual lt type gt Examples D lt u gt lt switch gt Function Notes Parameters lt u gt lt switch gt Examples l lt u gt lt value gt Function Notes Parameters lt u gt lt value gt Examples Z lt u gt lt value gt L low power type M medium power type H high power type X extremely high power type C C1M ACU fan control Switch
3. ARRAY 4 LASER LASER COOLER p COOLER Ge amer 1 amer 3 ACU Array Control Unit skeet ARRATS LCU Laser Control Unit SCHU System Control Unit 3 4 Cooling Diagram CONTROLLER ARRAY BOX LASER A m LASER A LCU LASER K m LASER K DPU 1 DPU 2 SE 1 baper 5 EASER el Laser 1e LASER LASER K Si ICH Ta p 102 3 103 ae D 104 SPLZFXX SPLZFXX SPLZFXX SPLZFXX nia ey ONTE NICI aa en NIC ee i o eee dice ae TE NIC NIC4 E E maa L toer NTC4 m A C U Eo E BEL tt Peltieri PeT ea Peltier PELT2 EE Reference Cooler PELT m PEL T PELT m 8 BAUER Engineering GmbH LASO Service Manual V4 0 A System Overview 3 5 Safety Interlock CONTROL CASE Electronic shift SOLDERING APPLICATION Mechanic door LASER ARRAY BOX LCU Laser Control Unit MC Microcontroller BAUER Engineering GmbH 9 A System Overview LASO Service Manual V4 0 3 7 Timing Diagrams 3 7 1 LCU Timing CAN MSG SET_PARAMETERS ACTIVE ON START STOP ACTIVE OFF Time 0 13 H H DAC Pulspower Time 0 18 Relay ON OFF green LED DH i Time 0 13 i UH H UH H D H ILAS 1 H Pulspower yellow LED PULSE_LENGTH Time 0 13 t 10 BAUER Engineering GmbH LASO Service Manual V4 0 A System Overview 3 7 2 ACU Timing ACU active green LED OFF Time 0 1s TEMP
4. ENGINEERING G M B H ENGINEERING MAKES THE DIFFERENCE CLERMONT FERRAND ALLEE 36 D 93049 REGENSBURG TEL 0941 29638 0 FAX 90 EMAIL info bauer engde INTERNET LASO LAser SOldering station Operation Instructions amp Service Manual Version 4 0 LASO Service Manual V4 0 A System Overview 1 Safety Information 2 Introduction 3 Hardware Description 3 1 General Arrangement 3 2 Block Diagram 3 3 Allocation ACU LCU to Arrays 3 4 Cooling Diagram 3 5 Safety Interlock 3 7 Timing Diagrams 3 7 1 LCU Timing 3 7 2 ACU Timing 4 Technical Data B Service Software 1 Introduction 2 Main Form 2 1 Main State Setting 2 2 Laser Pulse Buttons 2 3 Unit Slots 3 Laser Control Unit 4 Array Control Unit 5 System Control Unit 7 Message Monitor C Operating Manual 1 General Description 1 1 Communication 1 1 1 RS 232 Interface 1 1 2 CAN Interface 1 2 Power On Defaults 2 Remote Commands 2 1 Data Format and Timing 2 2 Remote Command Survey 2 2 1 Unit Configuration and Parameters 2 2 2 Reading Unit Parameters and Measured Values 2 2 3 Controlling Operation 2 2 4 Miscellaneous Commands 2 3 Remote Command Reference 2 3 1 Unit Configuration and Parameters 2 3 2 Reading Unit Parameters and Measured Values Index OMAN ODOARW O sch 3 A D N OO CO sch GA sch WI so RO 14 BAUER Engineering GmbH A System Overview LASO Service Manual V4 0 2 3 3 Controlling Operation 42
5. 2 3 4 Miscellaneous Commands 43 3 LASO System Programming 45 3 1 Quick Start 45 3 2 Startup Phase 47 3 3 Local Remote 47 3 4 Refuse Start Stop Laser Pulse Signals 48 3 5 Setting System Parameters and Configuration 48 3 5 1 Temporary Settings 48 3 5 2 Non Volatile Setting 49 3 6 Failure Buffer 51 3 7 Program Example 51 3 8 Digital Start and Stop Signals 53 D Appendix 54 1 Failure Codes 54 2 Unit Status Information 57 3 ACU and LCU Diagnostics LED Matrix 60 3 SCU Diagnostics LED Matrix 61 4 Frontpanel LEDs 62 5 CAN and RS232 Pin Assignments 63 6 Array Current Setting Help Table 64 2 BAUER Engineering GmbH LASO Service Manual V4 0 A System Overview A System Overview 1 Safety Information LASO is a laser class IV Product according IEC 60825 1 Each of the mounted semiconductor Lasers emits highly concentrated invisible infrared light which can be hazardous to the human eye and skin Safety precautions according to IEC 60825 1 have to be made LASO ist ein Produkt der Laser Klasse IV nach IEC 60825 1 Jeder der eingebauten Halbleiterlaser sendet stark geb ndeltes nicht sichtbares Laserlicht welches f r Augen und Haut gef hrlich werden kann Entsprechende Sicherheitsvorkehrungen analog zu IEC 60825 1 sind zu treffen Attention Invisible infrared laser light Laser Class IV BAUER Engineering GmbH 3 A System Overview LASO Service Manual V4 0 2 Introduction LASO was developed for soldering
6. Board Temperature actual temperature on the current controller on the ACU board integer 0 99 C shown in the edit field Laser Temperature average value of the actual temperature of all laser packages integer 0 99 C shown in the edit field Cooling Temperature average value of both Peltier elements temperature integer 0 99 C shown in the edit field Peltier 1 Temperature actual temperature of Peltier element 1 integer 0 99 C shown in the edit field Peltier 2 Temperature actual temperature of the Peltier element 2 integer 0 99 C shown in the edit field Unit Error last error number of the ACU shown in the edit field 20 BAUER Engineering GmbH LASO Service Manual V4 0 B Service Software integer error number table Power Voltage actual power voltage integer 0 xxx V shown in the edit field Peltier Current actual laser current integer 0 xxx mA shown in the edit field Status actual status of the ACU 2 bytes shown in the 2 x 8 pilot lights Laser Array Configuration configuration of the arrays DPU1 4 integer 0 5 shown in the edit field Firmware Version firmware version of the ACU software String in the format NN NN shown in the edit field A click on the SET button sends the setting message and if there is no LCU error free sets the value contained in the edit field in the relevant ACU A click on the GET button sends the read message and if there is no communication error the value appea
7. this operation mode the LASO SCU distinguishes between local standalone and remote PC mode For changing the SCU operation mode use the commands like this Ret set remote mode with writing parameters to chip card enabled set local mode Initiating a laser pulse or stop a laser pulse by a RC like this SCH start laser pulse for group 1 G3 stop laser pulse both groups 2 2 4 Miscellaneous Commands For controlling the whole system it is important to know the status of the LASO units Get additional information by using the get status command HA get status of SCU For service purposes a RC for reading the firmware version code of each unit is available V K get ACU 1 firmware version The LASO SCU manages a volatile LIFO buffer for 16 failure entries Each detected failure is stored as a failure code which can be read out by a RC E get last stored failure entry and delete it afterwards BAUER Engineering GmbH 33 D Appendix LASO Service Manual V4 0 In communication the LASO SCU acts as a Slave So the SCU can not report detected errors by itself but it can answer to a detected faulty remote command with a command error command Y 4 wrong command operator detected 2 3 Remote Command Reference Some RC are defined with more than one possible operator For read commands operator
8. A lt u gt lt value gt Function Notes Parameters lt u gt lt value gt Examples U lt u gt Function Notes Parameters lt u gt Examples U lt u gt lt value gt Function Notes Parameters lt u gt lt value gt Examples G lt u gt lt identifier gt Read assigned shortened laser to a laser array none 1 8 selected laser array F 1 LCU Read Current Request measured laser current of LCU none B T address of selected unit A D LCU Read Current Measured laser current of LCU in mA Only sent by SCU after request A lt u gt B T address of selected unit 0 30000 A D01000 LCU Read Voltage Request measured laser voltage of LCU none B T address of selected unit U E LCU Read Voltage Measured laser voltage of LCU in mV Only sent by SCU after request U lt u gt B T address of selected unit 0 99000 U E09000 Read Temperature BAUER Engineering GmbH 4 D Appendix LASO Service Manual V4 0 Function Request board temperature laser temperature ACU temperature ACU peltier 1 temperature or ACU peltier 2 temperature Notes Identifier 2 5 only for units K R ACUs Parameters lt u gt B T P address of selected unit lt identifier gt 1 board temperature 2 laser temperature 3 ACU temperature 4 ACU peltier 1 temperature 5 ACU
9. ACU 1 L ACU 2 M ACU 3 N ACU 4 O ACU 5 P Q R S T T Q N m g Q d ACU 6 ACU 7 ACU 8 STU PMU All communication is initiated by the Master PC or service terminal the SCU always acts as Slave 2 2 1 Unit Configuration and Parameters The components of a LASO system can be configured by 1 inserting a chip card with configuration and parameter data 2 sending the LCU and ACU configuration remote commands any time A LCU and the corresponding ACU with the laser array can be switched to active or inactive state by one single remote command Furthermore several laser arrays can 30 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual be logically combined in 2 groups which makes it possible that a laser pulse for group 1 or 2 is started or stopped The configuration setting for a LCU and ACU can be made by the command C B1M LCU 1 is active belongs to group 1 and is of medium power type ACU 1 is active For changing operating parameters for LCUs and ACUs the LASO system supports multiple commands LCU Parameters The LCU controls the value and the length of a laser pulse The current value in mA the pulse length value in ms and the the pulse period length value in ms can be changed by the user Also the amount of laser pulses can be configured 1 A0 1000 laser current set
10. ACU fan control on or off An ACU always accepts this command except a laser pulse being active When LASO is in remote mode with the feature writing parameters to chip card enabled the configuration is also written to chip card Operator is possible K R address of selected unit 0 switch off fan control 1 switch on fan control D D1 LCU Current Setting Sets the nominal laser current in mA A LCU always accepts this command except a laser pulse being active When LASO is in remote mode with the feature writing parameters to chip card enabled the setting is also written to chip card Operator is possible A all LCUs not for operator B T address of selected unit 0 30000 1 A0O1000 D00500 LCU Pulse Time Setting BAUER Engineering GmbH 35 D Appendix LASO Service Manual V4 0 Function Sets the nominal laser pulse time in ms Notes A LCU always accepts this command except a laser pulse being active When LASO is in remote mode with the feature writing parameters to chip card enabled the setting is also written to chip card If a laser pulse is started and the value pulse time setting is bigger than the value pulse period setting the pulse period value is automatically set to the maximum value Operator is possible Parameters lt u gt A all LCUs not for operator B T address of selected u
11. C00200 set LCU 2 laser current temporarily to 200mA Z B00500 set LCU 1 and LCU 2 pulse time temporarily to 500ms Z C00500 O B01000 set LCU 1 and LCU 2 pulse period time temporarily to O0 C01000 1000ms P B1 set LCU 1 and LCU 2 to generating a single laser pulse P C1 B K135 set ACU parameters temporarily B K205 nominal temperature for laser array coller to 35 C B K350 allowed tolerance for the laser array cooler to 5 C BAUER Engineering GmbH 51 D Appendix LASO Service Manual V4 0 F 1 00 00 00 F 2 00 00 00 D B1 D CO C B1L C C2M H J if lt value2 bit3 gt 1 then exit T 3 maximum laser temperature to 50 C set ACU switch relais 1 and 2 settings temporarily no laser is shortened 00 hexadecimal value instead of ASCII switch on ACU 1 fan control temporarily switch off ACU 2 fan control temporarily set LCU 1 configuration temporarily to group 1 and type L set ACU 1 to active set LCU 2 configuration temporarily to group 2 and type L set ACU 2 to active request SCU status information check SCU status information on any failure start a laser pulse for both groups Store all the parameters to chip card R 1 I B00100 1 C00200 Z BO0500 Z C00500 O B01000 O C01000 P B1 P C1 B K135 B K205 B K350 F 1 00 00 00 set LASO into remote mode with writing parameters to chip card is enabled set LCU 1 laser current to 100mA
12. Laserarray 1 17 11 2 58 Overtemperature Laserarray 2 18 12 2 58 54 BAUER Engineering GmbH LASO Service Manual V4 0 D Appendix Overtemperature Laserarray 3 19 13 2 58 Overtemperature Laserarray4 20 14 2 58 Overtemperature Laserarray5 21 15 2 58 Overtemperature Laserarray 6 22 16 2 58 Overtemperature Laserarray 7 23 17 2 58 Overtemperature Laserarray 8 24 18 2 58 Peltier 1 defective 25 19 2 58 Peltier 2 defective 26 1A 2 58 Peltier 3 defective 27 1B 2 58 Peltier 4 defective 28 1C 2 58 Peltier 5 defective 29 1D 2 5s Peltier 6 defective 30 1E 2 5s Peltier 7 defective 31 1F 2 5s Peltier 8 defective 32 20 2 5s LCU 1 failure 33 21 2 58 LCU 2 failure 34 22 2 58 LCU 3 failure 35 23 2 58 LCU 4 failure 36 24 2 58 LCU 5 failure 37 25 2 58 LCU 6 failure 38 26 2 58 LCU 7 failure 39 27 2 58 LCU 8 failure 40 28 2 58 ACU 1 failure 41 29 2 58 ACU 2 failure 42 2A 2 58 ACU 3 failure 43 2B 2 55 ACU 4 failure 44 2C 2 58 ACU 5 failure 45 2D 2 58 ACU 6 failure 46 2E 2 58 ACU 7 failure 47 2F 2 58 ACU 8 failure 48 30 2 58 LCU 1 internal 49 31 2 58 LCU 2 internal 50 32 2 58 LCU 3 internal 51 33 2 58 LCU 4 internal 52 34 2 58 LCU 5 internal 53 35 2 58 LCU 6 internal 54 36 2 58 LCU 7 internal 55 37 2 58 LCU 8 internal 56 38 2 58 ACU 1 internal 57 39 2 58 BAUER Engineering GmbH 55 D A
13. optical fibre bundle is application specific made Each optical fibre is connected to one laser of the array A split up in separate bundles is possible The optical fibre bundle can moved with a bond head The coupling of the light power can be direct or with a camera microscope optic Digital UO The control of LASO can happen with a PC with interfaces RS232 or CAN or with a digital UO Port This offers a connection to a SPS or a Manual Remote Control 3 2 Block Diagram 11072304 LCD Modul 4x16 optional OPTO COUPLER Laser_Power_Meter optional LASERI LASERS KH PELTIER D PELTIERL DPUL D LASERIB LASER ke ar Remarks ACU Array Control Unit A D Analog Digital Converter App Application CAN CAN Bus Dap Digital Analog Converter DIO Digital Input Output DPU Diode Power Unit I Lock Interlock LCU Laser Control Unit M Motor PR SCU System Control Unit TG Tacho Generator uC mikro Controller PELTIER2 Inter Lock Laser Array Box BAUER Engineering GmbH 7 A System Overview LASO Service Manual V4 0 3 3 Allocation ACU LCU to Arrays Laser Controller Controller LASER ARRAY BOX
14. set LCU 2 laser current to 200mA set LCU 1 and LCU 2 pulse time to 500ms set LCU 1 and LCU 2 pulse period time to 1000ms set LCU 1 and LCU 2 to generating a single laser pulse II set ACU parameters nominal temperature for laser array coller to 35 C JI allowed tolerance for the laser array cooler to 5 C maximum laser temperature to 50 C set ACU switch relais 1 and 2 settings 52 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual F 2 00 00 00 no laser is shortened 00 hexadecimal value instead of ASCII D B1 JI switch on ACU 1 fan control D CO switch off ACU 2 fan control C B1L set LCU 1 configuration to group 1 and type L set ACU 1 to active C C2M set LCU 2 configuration to group 2 and type L set ACU 2 to active 3 8 Digital Start and Stop Signals Laser pulses can be started and stopped via a remote commands and or b digital input signals Input signals could be generated by an external device e g a maintenance device or SPS control unit which is connected to the Digital Control connector at the rear panel of the Laser control case The signals are only accepted ifthe LASO system is in local mode 6 digital signals are defined for the following functions e start group 1 e start group 2 e start group 1 2 e stop group 1 e stop group 2 e stop group 1 2 Because of safety reasons a defined signal timing has to be fulfilled digi
15. small chips in automatic bond process It uses an array of high power semiconductor lasers each of them with 1 2 W optical output power Realised applications are for example the soldering of semiconductor lasers chips onto a silicon wafer or the soldering of a glass prism onto a glass spacon LASO uses glass fibbers bundles for the energy transport Advantages e Revised adhesive power in relation to bondings e After the soldering the device can not move e No process step is necessary for the apply of adhesive paste e Fine adjustment of the light power in comparison to an Nd YAG Laser BAUER Engineering GmbH offers furthermore the customer the guidance and support in the development of the soldering process with his devices LASO is a modular system One laser control unit can supply up to 20 lasers Overall we can built on up to 8 of these units The output power is adjustable for each unit separate This allows a various scale of the optical power from 5 W to 160W At the time the applications require 10 W to 60 W Possible settings e Laser current for adjustment of the optical power e Pulls width from 1ms up to 60s e Control limits for the temperatures of the power electronic and the lasers e Shut off of any laser to measure separate lasers or bypass defect lasers Further Features e Safety Interlock on the Laser Array Case 4 BAUER Engineering GmbH LASO Service Manual V4 0 A System Overview e Key switch in Safety Interlo
16. there is no communication error free appears the value in the edit field pilot lights or memo box BAUER Engineering GmbH 23 B Service Software LASO Service Manual V4 0 C6 Configuration Form m Main Window Size of the LASO device Ce Sunits size C fullsize Communikation ee AS S 2 32 com DI C CAN Channel 1 gt Ma ep x Initialisation auto read period 200 ms Default Values Empty Message Character DE ne E Parameter LCU ACU Current Setting fo m Zeck Temper ES Pulse Length fo ms m len fo S Pulse Period fo ms Tara pasa er c LCU Type fL Group 0 ACU Relais Count 2 5 X Cancel The configuration setting pertains to the application size the kind of communication interface and default values of the some units parameters The set values are stored when the application closes and on the newly application start the values will be loaded again The application size can be 8 LCU ACU units or 16 full allocation LCU ACU units so the overall units count can be 9 or 17 inclusive SCU The communication proceeds either per CAN interface or serial interface RS232 In case of CAN interface the PC must dispose of the CAN card with the corresponding software driver The user can choose between CAN channel 1 or 2 which means 24 BAUER Engineering GmbH LASO Service Manual V4 0 B Service Software with the two connectors on the CAN interface board If the serial int
17. 1 00 1 25 1 50 1 75 1 10 10 1 15 1 33 1 50 1 68 0 20 0 5 0 90 125 1 60 1 95 230 265 3 00 3 5 3 70 040 1 10 180 250 320 3 90 460 520 6 00 6 70 7 40 0 60 480 5 85 6 90 7 95 9 00 10 05 111 10 0 80 13 40 14 80 1011 00 16 75 18 50 3 30 540 7 50 960 1170 13 80 15 90 18 00 20 10 2220 12 1 20 1 40 3 85 6 30 8 75 11 20 13 65 16 10 18 55 21 00 23 45 25 90 Te 100 26 80 29 60 iB 7 80 33 00 20 2 00 5 50 9 00 12 50 16 00 19 50 23 00 26 50 30 00 33 50 37 00 3 00 1 85 Array Optical Output Power W rx Array Current Setting E 0 50 0 75 1 00 1 25 1 50 1 75 2 00 2 25 2 50 2 75 3 00 Laser Array Input Current A 64 BAUER Engineering GmbH
18. ACU 7 Failure ACU 7 failure no CAN status message bit7 ACU 8 Failure ACU 8 failure no CAN status message BAUER Engineering GmbH 57 D Appendix LASO Service Manual V4 0 lt value5 gt byte System Version Code system version code in BCD Lcu1 8 Nam Remarks lt value1 gt bitO Operation Mode 0 internal information bit 1 Operation Mode 1 internal information bit2 Operation Mode 2 internal information bit3 First Message after first CAN status message after reset Reset DH A Interlock 1 open interlock open detected bit 5 ls Configurated all parameters set bit6 le Active unit is set to active bit7 Laser on 1 on laser on lt value2 gt bitO Failure Flag 1 failure any LCU failure detected bit 1 Relais Contact defective relais contact defective bit2 Amplifier defective amplifier defective bit 3 Interlock open during Interlock open during laser pulse laser pulse bit4 Board Overtemperature board overtemperature detected bit 5 In d bit6 In d bit 7 n d lt value3 gt bit LCU Group LCU group 0 1 2 0 3 bit4 LCU Type L bit5 LCU Type M bit 6G LCU Type H bit 7 LCU Type X lt value4 gt byte for internal use lt value5 gt byte for internal use lt value6 gt byte System version code BCD 01 99 lt value7 g
19. RS nominal Allowed tolerance temperature Allowed tolerance L l L L l i ot Time 0 1s L l L L I j Peltier current ON OFF yellow LED Time 0 1s BAUER Engineering GmbH 11 A System Overview LASO Service Manual V4 0 4 Technical Data Each LASO System is special configurated depending on the customer requirements For that reason the technical data are application and customer specific We attach a specific datasheet and a final test protocol by delivery of each system 12 BAUER Engineering GmbH LASO Service Manual V4 0 B Service Software B Service Software 1 Introduction The service program for the project LASO performs first of all the setting and reading of all the parameters in the LASO system and searching of any failure which is findable per software The control of the device in an application is provided by the user software or is controlled from digital inputs The system parameters can be loaded from the chip card The software can communicate with the device per CAN Bus or serial interface RS232 It can be also set in the system parameters 2 Main Form gt gt LASO lt lt Service Software 3 00 Pe KR Group 1 Group 2 Group 1 amp 2 Goto Local Remote Mode Stop Group 0 Group 0 Group 0 Group 0 Type L Type L Type L Type L Relais Relais Relais CH Relais CH Contig Contig Contig Contig Contig Contig Contig Con
20. and Format All RCs are 8 bytes long Not used data bytes are filled with spaces ASCII 0x20 Data values have to be filled in with leeding zeros No command confirmation is provided Multiple commands are not allowed to be in a command line Timing and Error Handling for RS 232 communication No minimal interbyte time exists A receiver has to control the serial communication on timeout After an exeeding interbyte time of 1s all bytes of the corrupted command are becoming invalid and a pending command request has to be repeated The SCU has to start with a requested answer within a time of 3 seconds Otherwise the command request has to be repeated Timing and Error Handling for CAN communication The SCU has to start with a requested answer within a time of 3 seconds Otherwise the command request has to be repeated CAN communication For the CAN communication a CAN message is of the format From To Identifier RTR DLC Data PC SCU 0x3A0 see RC definition SCU PC 0x348 see RC definition Service SCU 0x390 0 see RC definition Terminal SCU Service 0x348 0 8 see RC definition Terminal BAUER Engineering GmbH 29 D Appendix LASO Service Manual V4 0 2 2 Remote Command Survey In all commands refering to one or more units the byte after the operator determines the address of the selected unit all LCUs LCU 1 LCU 2 LCU 3 LCU 4 LCU 5 LCU 6 LCU 7 T LCU 8 J SCU K
21. anged chip card is read and the parameters are distributed to LASO units BAUER Engineering GmbH 49 D Appendix LASO Service Manual V4 0 Being in remote mode a new changed chip card is not read and the parameters are not distributed to LASO units Only when bringing LASO from remote to local mode the new chip card parameters are distributed 50 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual 3 6 Failure Buffer LASO supports various selftest mechanisms for effective fault detection The failure buffer is organized as a LIFO last in first out ring buffer and holds the 16 latest fault numbers in maximum Using the RC Get Error the latest fault is sent and is also erased automatically A list of all defined fault numbers is attached in Appendix A When controlling the LASO system by PC perform a cyclic check of the SCU status information especially of the flag Any Fault see Appendix B If the flag is set use the RC Get Error for detailed information but be aware that although a read fault is erased out of the fault buffer the fault could be still active cycle time of detection 3 7 Program Example Here a brief program example is given for a LASO system with 2 LCUs and 2 ACUs R 0 set LASO into remote mode for protection against hardware or service terminal signals writing parameters to chip card is disabled 1 BO0100 set LCU 1 laser current temporarily to 100mA 1
22. are String in the format NN NN shown in the edit field A click on the SET button sends the setting message and if there is no communication error the value contained in the edit field will be set in the relevant LCU A click on the GET button sends the read message and if there is no communication error the value appears in the edit field or pilot lights BAUER Engineering GmbH LASO Service Manual V4 0 B Service Software 4 Array Control Unit P ACUForm 0 x z SES set eer G1 02 o3 o4 os oe o7 os os 10 41 12 13 14 15 16 17 18 13 20 lE 8 2 22 E E EBEN The ACU parameters can also be set or read in the relevant settings form Read write Parameters Active active property of the ACU off not active on active set using switch button Laser Array array of the 20 laser relais BAUER Engineering GmbH 19 B Service Software LASO Service Manual V4 0 they can be switched on or off with switch button array green colour of the button on white colour off on means laser is shorted Cooling Temperature Setting required temperature on the laser cooler integer 0 99 C edited in the edit field Cooling Temperature Tolerance bounds for the cooling overtemperature warning integer 0 99 C edited in the edit field Laser Temperature High Limit upper limit for the laser overtemperature warning integer 0 99 C edited in the edit field Read only parameters
23. ck Circuit e Connection for extern Safety Interlock e Manual Remote Control e Datarecords on chip card storable and reloadable e The power units can be added in 2 groups which can be triggered in separate times e Triggering by data communication or digital I O BAUER Engineering GmbH 5 A System Overview LASO Service Manual V4 0 3 Hardware Description 3 1 General Arrangement LASO consists of the following components Laser Array Box Soldering Optical Fiber Bundle Application Digital UO Laser Controller 19 Manual Remote Control Host Computer Laser Controller The Laser Control Case is delivered as a 19 rack with 3 Height Units It include interfaces RS232 CAN digital I O to control PC and modular Laser Control Units for power electronic and Array Control Units for temperature control For applications with more over 4 LCU it is possible to connect a other rack with 3 Height Units for up to 4 LCU s Laser Array Box In a separate box there are the High Power Semiconductor Lasers which are controlled and cooled The cooling system consists of peltier elements and 6 BAUER Engineering GmbH LASO Service Manual V4 0 A System Overview ventilators so no water connection is necessary The connection to the Laser Control Case is made by cable in free convert length Optical Fibre Bundle The laser power is delivered with a optical fibre bundle to the soldering position The
24. erface is used the user has to choose COM number from 1 to 4 If the communication interface has been changed the interface must be initialized otherwise the communication will not work All the units parameters are initialized on the application start with its default value Some of these default values can be preset Otherwise the parameter will be set to zero The configuration form contains the presetting of the values Empty Message Character empty characters in the question messages zero character ASCII 30 or spare character ASCII 20 Current Setting current setting on the laser pulse of all LCUs 0 3000 mA Pulse Length length of the laser pulse of all LCUs 0 65 000 ms Group group number of all LCU 0 1 0r2 LCU Type type of all LCUs L M Hori Cooling Temperature Setting required temperature on the laser cooler of all ACUs 0 99 C Cooling Temperature Tolerance bounds for the cooling overtemperature warning 0 99 C Laser Temperature High Limit upper limit for the laser overtemperature warning 0 99 C ACU Relais Count size of the relais array on all ACUs 1 20 BAUER Engineering GmbH 25 B Service Software LASO Service Manual V4 0 7 Message Monitor Monitor Ba x Ze Clear Close All the received and transmitted messages can be monitored with the message monitor It is a simple text box where the content of the message appears in a form of a byte string Before the byte st
25. for 3s startup phase Afterwards the LED I Lock open could be on according to status of interlock switch 3 Set system parameters and configuration by a chip card or by PC 4 Use the Service Software for setting parameters see Chapter B 46 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual 3 2 Startup Phase After power on the LASO system performs a selftest and the system will be initialized Therefore in the first 3 seconds after power on e the LEDs are turned off after a short flash at the beginning e no communication is possible e the SCU sends no cyclic status message on CAN e active units are not controlled on a cyclic status message on CAN Afterwards the LEDs are turned on according the corresponding status communication is possible and normal LASO operation has started 3 3 Local Remote The LASO system may operate as standalone device or controlled by PC To specify this operation mode the LASO SCU distinguishes between local standalone and remote PC mode In local mode default value after power on start and stop laser pulse commands are accepted by a hardware trigger signal or by a remote command In remote mode the whole function of the system should be controlled by the PC Therefore an unintentionally start laser pulse hardware trigger signal is refused and a failure entry is made Changing the parameters by inserting an other chip card is just supported if the SCU i
26. groups group 1 or 2 If the group number of the LCU is not set group number zero the LCU is not activated and the relevant lasers can t emit any pulses The green buttons start the laser pulse of the relevant group The third button activates or deactivates both groups The length of the pulses depends on the setting of the parameter pulse length If the pulse length is long enough the puls can be stopped before time when the relevant stop button with red colour is pressed Normally the stop button isn t needed 14 BAUER Engineering GmbH LASO Service Manual V4 0 B Service Software 2 3 Unit Slots If the unit slot is not allocated a click on the empty slot activates the allocation If a unit is already allocated a click on the close button the button up right on the unit with a cross like a window system button will free the unit slot The System Control Unit must be allways present so it has no close button The button with the label config on the unit invokes the settings form BAUER Engineering GmbH 15 B Service Software LASO Service Manual V4 0 3 Laser Control Unit LCUForm Configuration of LCU 1 e E WR SET GET SET GET SET GET SET GET Hai GC ob To j The LCU disposes of a many parameters which can be set or read in the settings ES u R D 27 D PS form Read write parameters Group group number of the LCU integer 0 1 or 2 0 no
27. lses is set to 1 e LCU current is set to 0 mA BAUER Engineering GmbH 27 D Appendix LASO Service Manual V4 0 e no ACU active e no ACU fan control switched on e array cooling temperature set to 25 C e array cooling tolerance set to 5 C e maximum laser temperature set to 60 C e laser switch relais all deactivated In case of an inserted valid chip card the default configuration is overwritten by chip card data The system is configured according to the valid data 2 Remote Commands The terminal PC or service terminal can configure and control the LASO system by sending remote commands RC to the LASO SCU via CAN or RS 232 The SCU does all necessary communication with the LCU und ACU units in the LASO system 2 1 Data Format and Timing A remote command is defined as follows Command For each remote command a different capital letter is reserved Keep in mind that the remote commands are case sensitive Operator The operator determines whether the selected command value e has to be written followed by data e has to be read without data e iS an answer on a read command with data 28 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual Data This field is filled with data formatted according to the command Only integer values are allowed In commands that addresses LCUs or ACUs the first data byte always specifies the selected unit Remote Comm
28. m LED 1 Laser On LED 2 Overtemp LED 3 l Lock open LED 4 Failure LED 1 Laser On The LED is turned on when at least one laser on information is received by a LCU LED 2 Overtemp The LED is turned on when at least one board overtemperature information is received by a LCU or ACU LED 3 l Lock open The LED is turned on when the interlock open signal is detected by the SCU LED 4 Failure The LED is turned on as soon as at least one fault entry is in the fault buffer It is also turned on for the time of a chip card problem or when a Unit not in local mode event happened The latter information is reset when switching into local mode or the Get Error RC is used 62 BAUER Engineering GmbH LASO Service Manual V4 0 D Appendix 5 CAN and RS232 Pin Assignments Connector CAN 1 and CAN 2 LASO front panel Function Type DSub9 m 1 not used 6 not used 2 CAN L 7 CAN H 3 GND 8 not used 4 not used 9 not used 5 not used Connector RS232 PC LASO rear panel Function type DSub9 f 1 not used 6 not used 2 RxD in 7 not used 3 TxD out 8 not used 4 not used 9 not used 5 GND BAUER Engineering GmbH 63 D Appendix LASO Service Manual V4 0 6 Array Current Setting Help Table Transconductance Etaf 0 7 W A Constant K 0 25 Number Laser Array Input Current A of Lasers 0 50 0 75
29. m the SCU operator is nearly of the same format as the write command operator 38 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual For answers of the RC C D T Z B and F please see Unit Configuration and Parameters C lt u gt LCU configuration Function Read configuration of LCU unit Notes A LCU always accepts this command except a laser Parameters lt u gt Examples D lt u gt Function Notes Parameters lt u gt Examples D lt u gt lt switch gt Function Notes Parameters lt u gt lt switch gt Examples 1 lt u gt Function Notes Parameters lt u gt Examples Z lt u gt Function pulse being active B T address of selected unit C C ACU fan control Read fan control configuration of ACU unit none K R address of selected unit D L ACU fan control Answer for ACU unit fan control configuration Only sent by SCU after request D lt u gt K R address of selected unit 0 ACU fan control switched off P ACU fan control switched on D RO LCU Current Setting Request nominal laser current in mA A LCU always accepts this command except a laser pulse is being active B T address of selected unit D LCU Pulse Time Setting Request nominal laser pulse time in ms BAUER Engineering GmbH 39 D Appendix LASO Service Manual V4 0 Note
30. nit lt value gt 0 continuous mode till stop command received 1 65000 Examples Z A00500 Z B00000 O lt u gt lt value gt LCU Pulse Period Setting Function Sets the nominal laser pulse period time in ms Notes A LCU always accepts this command except a laser pulse being active When LASO is in remote mode with the feature writing parameters to chip card enabled the setting is also written to chip card If a laser pulse is started and the value pulse time setting is bigger than the value pulse period setting the pulse period value is automatically set to the maximum value Operator is possible Parameters lt u gt A all LCUs not for operator B T address of selected unit lt value gt 1 65000 36 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual Examples Z A00500 Z BO0000 P lt u gt lt value gt LCU Pulse Count Setting Function Sets the number of generated laser pulses Notes A LCU always accepts this command except a laser pulse being active When LASO is in remote mode with the feature writing parameters to chip card enabled the setting is also written to chip card Operator is possible Parameters lt u gt A all LCUs not for operator B T address of selected unit lt value gt 01 99 Examples P A01 P B99 B lt u gt lt identifier gt lt value gt ACU Temperature Setting Function Sets the nominal tempe
31. none 1 start laser pulse for LCU group 1 2 start laser pulse for LCU group 2 3 start laser pulse for LCU group 1 and 2 13 Stop Laser Pulse Stop laser pulse for LCU group none P stop laser pulse for LCU group 1 2 stop laser pulse for LCU group 2 3 stop laser pulse for LCU group 1 and 2 S 3 2 3 4 Miscellaneous Commands H lt u gt Function Get Status Request present unit status BAUER Engineering GmbH 43 D Appendix LASO Service Manual V4 0 Notes Parameters lt u gt Examples H lt u gt lt value1 gt lt value2 gt lt value3 gt lt value4 gt lt value5 gt Function Notes Parameters lt u gt lt value1 gt lt value5 gt Examples V lt u gt Function Notes Parameters lt u gt Examples V lt u gt lt version gt none B T address of selected unit H J Get Status Contains present unit status Only sent by SCU after request H lt u gt value 1 value 5 hexadecimal bytes B T address of selected unit hexadecimal bytes see Appendix B Unit Status Information H J 00 02 00 00 01 Get Version Read version code none B T address of selected unit V C Get Version Function Contains version code Notes Only sent by SCU after U lt u gt Parameters lt u gt B T address of selected unit ss ff lt version gt ss system version code has
32. peltier 2 temperature Examples G L2 G B1 G lt u gt lt identifier gt Read Temperature lt value gt Function Measured board temperature laser temperature ACU temperature ACU peltier 1 temperature or ACU peltier 2 temperature in C Notes Only sent by SCU after request G lt u gt lt identifier gt Identifier 2 5 only for units K R ACUs Parameters lt u gt B T P address of selected unit lt identifier gt 1 board temperature laser temperature ACU temperature ACU peltier 1 temperature A BR ON ACU peltier 2 temperature lt value gt 0 99 Examples G L255 2 3 3 Controlling Operation R lt switch gt Goto Remote Mode with writing protection enabled disabled 42 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual Function Notes Parameters lt switch gt Examples L Function Notes Parameters Examples T lt group gt Function Notes Parameters lt group gt Examples S lt group gt Function Notes Parameters lt group gt Examples Sets the LASO system into remote mode The feature writing parameters to chip card could be enabled or disabled none 0 writing parameters to chip card disabled 1 writing parameters to chip card enabled R 0 Goto Local Mode Sets the LASO system into local mode none Start Laser Pulse Start laser pulse for LCU group
33. ppendix LASO Service Manual V4 0 ACU 2 internal 58 3A 2 58 ACU 3 internal 59 3B 2 58 ACU 4 internal 60 3C 2 58 ACU 5 internal 61 3D 2 58 ACU 6 internal 62 3E 2 58 ACU 7 internal 63 3F 2 58 ACU 8 internal 64 40 2 58 Overtemperature ACU 1 65 41 2 58 Overtemperature ACU 2 66 42 2 58 Overtemperature ACU 3 67 43 2 58 Overtemperature ACU 4 68 44 2 58 Overtemperature ACU 5 69 45 2 58 Overtemperature ACU 6 70 46 2 58 Overtemperature ACU 7 71 47 2 58 Overtemperature ACU 8 72 48 2 58 Interlock open during laser 73 49 0 2 5s pulse LCU Safety relais defective 74 4A 0 2 5s Unit not initialized 75 4B 0 2 5s Fan 1 failure 76 4C 2 58 Fan 2 failure 77 AD 2 58 Fan 3 failure 78 4E 2 58 Fan 4 failure 79 4F 2 58 Fan 5 failure 80 50 2 58 Fan 6 failure 81 51 2 58 Fan 7 failure 82 52 2 58 Fan 8 failure 83 53 2 58 Wrong system version code 84 54 0 2 5s Chip Card fault 85 55 X Unit not in local mode 86 56 X not defined 87 57 56 BAUER Engineering GmbH LASO Service Manual V4 0 D Appendix 2 Unit Status Information SCU Name Remarks lt value1 gt bitO Operation Mode 0 internal information bit 1 Operation Mode 1 internal information bit2 SCU Failure Flag any SCU failure detected 1 failure bit3 Any Laser on 1 on any laser on bi
34. rature for the laser array cooler the allowed tolerance for the laser array cooler and the maximum laser temperature All values in C Notes This command always concerns to all ACUs When LASO is in remote mode with the feature writing parameters to chip card enabled the setting is also written to chip card Operator is possible Parameters lt u gt K R dummy value for address of selected unit Operator address of selected unit lt identifier gt 1 nominal temperature for the laser array cooler 2 allowed tolerance for the laser array cooler 3 maximum laser temperature lt value gt 0 99 BAUER Engineering GmbH 37 D Appendix LASO Service Manual V4 0 Examples B K125 B K205 B K350 F lt laser array gt ACU Switch Relais lt value1 gt lt value2 gt lt value3 gt Function Assigns shortened laser for a laser array Notes value1 value3 hexadecimal bytes Bitmasks for shortened lasers 1 laser shortened Operator is possible Parameters lt laser array gt 1 8 selected laser array lt value1 gt bit O laser 1 bit7 laser 8 lt value2 gt bit O0 laser 9 bit7 laser 16 lt value3 gt bit O laser 17 bit3 laser 20 else not defined Examples F 1 01 0F 08 F 8 FF FF 00 2 3 2 Reading Unit Parameters and Measured Values Some RC are defined with more than one possible operator For read commands operator the answer fro
35. ring there is an arrow lt or gt that shows the message direction message with the arrow left was transmitted with the arrow right was received The button Start resp Stop can unblock resp block the monitoring The button Clear erases the whole content of the text box Close will close the window 26 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual C Operating Manual 1 General Description For controlling the laser soldering unit an external device like a PC or a handheld terminal can be connected to the SCU unit placed in the Laser Control Case 1 1 Communication 1 1 1 RS 232 Interface The serial communication port is accessed via the RS 232 connector at the rear panel of the Control Case The port is set to these parameters 9600 baud 8 data bits 1 stop bit odd parity no handshake 1 1 2 CAN Interface The CAN interface complies to ISO DIS 11898 standard The CAN connector is accessed via the CAN 1 or CAN 2 connector at the front panel of the Laser Control Case The interface is set to these parameters 100kBit sec 1 2 Power On Defaults During power on reset the LASO system is initialised to a defined save default state The default configuration is e control unit in local mode e noLCU is active all set to low power type and inactive e pulse time is set to 1ms e pulse period is set to 2ms e number of generated laser pu
36. rora n aa a a 9 over ouiatinpeance ESES 7 Jaseroveronpsatre BA SENIN VW foartoveranperaure GREY 7 S sates message are V_ S stats message are BLY sev sats iment LY seu staustineoat incorrect system version number D Oo D E ES SS SES APP application nu notused FF FAILURE_FLAG X LED ON HW hardware Y YES N NO 60 BAUER Engineering GmbH LASO Service Manual V4 0 D Appendix 3 SCU Diagnostics LED Matrix The LED matrix 4 red LEDs at the SCU board offers the possibility of categorize the latest fault entry For detailed information for the error code use the Get Error RC Diagnosis LED Matrix LED5 LED 6 LED 7 LED 8 No failure 0 0 0 0 Any LCU 1 8 fault 1 0 0 0 Any ACU 1 8 fault 0 1 0 0 Fan failure 1 1 0 0 Any Interlock fault 0 0 1 0 Unit not in local mode 1 0 1 0 Any Chip Card fault 0 1 1 0 Unit not initialized 1 1 1 0 LCU 1 8 internal 0 0 0 1 ACU 1 8 internal 1 0 0 1 Wrong system version code 0 1 0 1 n d 1 1 0 1 n d 0 0 1 1 n d 1 0 1 1 n d 0 1 1 1 n d 1 1 1 1 BAUER Engineering GmbH 61 D Appendix LASO Service Manual V4 0 4 Frontpanel LEDs The four LEDs at the frontpanel of the LASO rack are all controlled by the SCU After power on all LEDs flashes for a short time and then they are off for about 3 seconds startup phase After the startup phase the LEDs are showing the current state of the syste
37. rs in the edit field or pilot lights BAUER Engineering GmbH 21 B Service Software LASO Service Manual V4 0 5 System Control Unit S SCUForm Il x Configuration of SCU Status Firmware Oper Mode 0 LCU1 Status 04 00 GET Oper Mode 1 LCU2 Status SCU failure flag 1 fail C LEUS Status O Any laser on D son C LCU4 Status SCU Interlock 1 open O LCUS Status Mode D local 1 rem LCUB Status Any board overtemp C LCU Status L First SCU message LCUB Status O L L Errors No more errors stored Chip card changed ACU Status Chip card inserted ACU2 Status Chip card not ok ACU3 Status Any failure flag ACU4 Status Any LCU fault ACUS Status Any ACU fault ACUE Status PMU Connected ACU Status STU Connected ACUS Status GET The SCU has no parameter to set The unit sends only answers on the status firmware or last error requests Parameters read only Status actual status of the SCU 4 bytes shown in the 4 x 8 pilot lights Firmware Version firmware version of the SCU software String in the format NN NN shown in the edit field Last Stored Error last error number stored in the SCU error buffer shown in the memo box 22 BAUER Engineering GmbH LASO Service Manual V4 0 B Service Software shown as rows with an error account A click on the GET button sends the read message and if
38. s Parameters lt u gt Examples O lt u gt Function Notes Parameters lt u gt Examples P lt u gt Function Notes Parameters lt u gt Examples B lt u gt lt identifier gt Function Notes Parameters lt u gt A LCU always accepts this command except a laser pulse is being active B T address of selected unit Z B LCU Pulse Period Setting Request nominal laser pulse period time in ms A LCU always accepts this command except a laser pulse is being active B T address of selected unit Z B LCU Pulse Count Setting Request number of generated laser pulses A LCU always accepts this command except a laser pulse is being active B T address of selected unit P D ACU Temperature Setting Read the nominal temperature for the laser array cooler the allowed tolerance for the laser array cooler or the maximum laser temperature none K R address of selected unit lt identifier gt 1 read nominal temperature for the laser array Examples F lt laser array gt cooler 2 read allowed tolerance for the laser array cooler 3 read maximum laser temperature B K1 B M2 B R3 ACU Switch Relais 40 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual Function Notes Parameters lt laser array gt Examples A lt u gt Function Notes Parameters lt u gt Examples
39. s in local mode Function Local Mode Remote Mode default mode Set configuration by chip card or by PC by PC and parameters Get configuration by service terminal by PC or service terminal and parameters Start stop laser by start stop laser pulse by PC pulse signal by service else refused and error terminal or by PC entry BAUER Engineering GmbH 47 D Appendix LASO Service Manual V4 0 3 4 Refuse Start Stop Laser Pulse Signals Starting a laser pulse may only be possible if there is no danger for any person and also for LASO device Therefore a few criterias lead to the cancelation of a start laser pulse signal respectively command Criterias which cancel a start laser pulse action e interlock switch open e faulty remote command T e start signal by hardware or by service terminal while SCU is in remote mode leads to a fault entry e any fan failure Also a protection against an unintentionally stop signal is given e a stop signal by hardware or by service terminal doesn t stop a laser pulse when the SCU is in remote mode but leads to a fault entry 3 5 Setting System Parameters and Configuration System Parameters and Configuration can be set and changed in different ways e via PC or service terminal in a running system e via chip card at every time except being in remote mode 3 5 1 Temporary Settings When controlling the LASO system by a PC
40. software or if new parameters should be tested unit parameters can be set temporarily For this 1 bring LASO system into local mode or into remote mode without the parameter writing parameters to chip card 2 change configuration or parameters by using remote commands e g LCU Configuration C C1M 48 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual All changed settings are not stored to chip card so after power down these settings are erased 3 5 2 Non Volatile Setting When the system should start with a special parameter set or if the parameter set should be changed on the fly a chip card can be inserted On the chip card the following parameters are stored e LCU1 8 group e LCU1 8 type e LCU 1 8 laser current e LCU 1 8 pulse time e LCU 1 8 pulse period time e LCU 1 8 number of generated pulses e ACU temperature for the laser array cooler e ACU tolerance for the laser array cooler e ACU maximum laser temperature e ACU 1 8 active inactive e ACU 1 8 fan control on off e shortened laser to a laser array 1 8 For programming parameters to the chip card 1 bring LASO system to remote mode with the parameter writing parameters to chip card 2 change configuration or parameters by using remote commands e g LCU Configuration C C1M now every parameter is stored to chip card or use the external chip card programmer box Being in local mode a new ch
41. t byte nd ACU1 8 Name Remarks lt value1 gt bitO Operation Mode 0 internal information bit 1 Operation Mode 1 internal information bit2 Operation Mode 2 internal information bit3 First Message after first CAN status message after reset Reset bit4 Fan Control fan control switch 1 on 58 BAUER Engineering GmbH LASO Service Manual V4 0 D Appendix bit 5 ls Configurated all parameters set bit6 Is Active unit is set to active bit7 n d lt value2 gt bitO Failure Flag 1 failure any ACU failure detected bit 1 Peltier Defective peltier defective detected bit2 n d bit3 Fan Defective fan defective detected bit4 Laser Overtemperature laser overtemperature detected bit5 Board Overtemperature board overtemperature detected bit6 n d bit7 n d lt value3 gt byte In d lt value4 gt byte for internal use lt value5 gt byte for internal use lt value6 gt byte System version code BCD 01 99 lt value7 gt byte In d BAUER Engineering GmbH 59 D Appendix LASO Service Manual V4 0 3 ACU and LCU Diagnostics LED Matrix 2x DC DC TEP2411 2423 MCU P80C592 RELAY SF2 DC COOLER 96 nin CONNECTOR Yellow Laser Peltier Red Unit Error Number Green Unit Enable RES SEELEN Telstar poner vtape sure a rel aa Se Pee vie ai ea rel Ro reomestonay staaten IV N
42. t active edited in the edit field 16 BAUER Engineering GmbH LASO Service Manual V4 0 LCU Type Pulse Length Period Length Pulse Count Current Setting Read only parameters Actual Current Actual Voltage Board Temperature Unit Error Power Voltage B Service Software type of the LCU characters Lt Low M Medium H High or X eXtremely high power edited in the edit field length of the laser pulse integer 0 65000 ms edited in the edit field length of the laser period integer 0 65000 ms edited in the edit field Number of laser pulses integer 0 99 edited in the edit field laser current during the pulse integer 0 3000 mA edited in the edit field actual laser current integer 0 xxx mA shown in the edit field actual laser voltage integer 0 xxx V shown in the edit field actual temperature of the current controller on the LCU board integer 0 xxx C shown in the edit field last error number of the LCU shown in the edit field integer error number table actual power voltage BAUER Engineering GmbH B Service Software Status Laser Array Configuration Firmware Version LASO Service Manual V4 0 integer 0 xxx V shown in the edit field actual status of the LCU 2 bytes shown in the 2 x 8 pilot lights configuration of the arrays DPU1 4 integer 0 5 shown in the edit field firmware version of the LCU softw
43. t4 Interlock 1 open interlock open detected bit 5 Local Remote local remote mode 1 remote bit6 Any Board any board overtemperature Overtemperature bit7 First Message after first CAN status message after reset Reset lt value2 gt bitO New Chip Card new changed chip card detected bit 1 Chip Card inserted chip card inserted bit2 Chip Card fault any chip card fault detected bit3 Any Fault any fault detected SCU LCU ACU DH A Any LCU Fault any LCU fault detected bit5 Any ACU Fault any ACU fault detected bit6 PMU connected PMU connected detected bit7 STU connected STU connected detected lt value3 gt bitO LCU 1 Failure LCU 1 failure no CAN status message bit 1 LCU 2 Failure LCU 2 failure no CAN status message bit2 LCU3 Failure LCU 3 failure no CAN status message bit3 LCU 4 Failure LCU 4 failure no CAN status message bit4 LCU 5 Failure LCU 5 failure no CAN status message bit5 LCU 6 Failure LCU 6 failure no CAN status message bit6 LCU 7 Failure LCU 7 failure no CAN status message bit7 LCU 8 Failure LCU 8 failure no CAN status message lt value4 gt bitO ACU 1 Failure ACU 1 failure no CAN status message bit1 ACU 2 Failure ACU 2 failure no CAN status message bit2 ACU 3 Failure ACU 3 failure no CAN status message bit3 ACU 4 Failure ACU 4 failure no CAN status message bit4 ACU 5 Failure ACU 5 failure no CAN status message bit5 ACU 6 Failure ACU 6 failure no CAN status message bit6
44. tal signal timing signal on off t 10ms BAUER Engineering GmbH 53 D Appendix LASO Service Manual V4 0 D Appendix 1 Failure Codes The column Status Information only concerns to the status of the LED 1 4 at the frontpanel A status information causes the LED 4 being turned on and a fault number being sent answering RC Get Error for the duration of the event E g a chip card communication problem is detected the LED 4 is on and the RC Get Error is answered with the fault number Ox4F as long as the problem exists Status Information active fault numbers are prior to other fault numbers i e LED 4 is controlled by these events as long as they are present Also these fault numbers are sent on a RC Get Error Kind of Fault Fault Fault Only Cycle Time Number Number Status of Detection dec hex Information no faults stored 0 0 Overtemperature LCU 1 1 1 2 58 Overtemperature LCU 2 2 2 2 58 Overtemperature LCU 3 3 3 2 58 Overtemperature LCU 4 4 4 2 58 Overtemperature LCU 5 5 5 2 58 Overtemperature LCU 6 6 6 2 58 Overtemperature LCU 7 7 7 2 58 Overtemperature LCU 8 8 8 2 58 Amplifier LCU 1 9 9 2 55 Amplifier LCU 2 10 0A 2 55 Amplifier LCU 3 11 OB 2 55 Amplifier LCU 4 12 DC 2 55 Amplifier LCU 5 13 OD 2 55 Amplifier LCU 6 14 OE 2 55 Amplifier LCU 7 15 OF 2 55 Amplifier LCU 8 16 10 2 55 Overtemperature
45. tig Contig Error List MM Clear Config Message Monitor BAUER Engineering GmbH 13 B Service Software LASO Service Manual V4 0 The design of the main form responds to the control case of the device There are mostly 9 units 4 Laser Control Units LCU 4 Array Control Units ACU and one System Control Unit SCU In case of then full casting which is limited from the system to 8 LCUs 8 ACUs and 1 SCU the main form can also be expanded In the upper section there is the Main State Setting and Laser Pulse Buttons Thereunder are nine ev 17 slots which can be allocated to its unit or stand free Under the slots there are buttons for configuration setting monitoring of the communication and closing of the program 2 1 Main State Setting The device can take two basic states Local Mode and Remote Mode In the Local Mode the device ignores all the commands from the PC except the commands for main state setting All the settings asks or commands are accepted only in the Remote Mode A click on the switch button changes the main state according to the label below the button The actual main state is indicate by the pilot light with its label beside the button A special command go to remote with chip card write enabled is sent after the click on the pertinent switch button on the right 2 2 Laser Pulse Buttons All the Laser Control Units can be situated into two different
46. ting for all LCUs is 1000mA Z C00500 laser pulse length setting for LCU 2 is 500ms 0 C01000 laser pulse period length setting for LCU 2 is 1000ms P B1 LCU 1 generates one laser pulse ACU Parameters The ACU controls the laser cooler temperature It should be choosen to be in the safe temperature range Practically a current is controlled which flows into the peltier part The value of the current corresponds to the temperature difference between a laser cooler and a reference cooler A two point control is defined by the nominal temperature and the allowed tolerance temperature Additionally the ACU controls the maximum laser temperature B K130 set the nominal temperature for cooler for all ACUs to 30 C here K is dummy unit number 1 is selector for nominal temperature for the laser array cooler B K205 set the tolerance for the cooler for all ACUs to 5 C here K is dummy unit number 2 is selector for allowed tolerance for the laser array cooler BAUER Engineering GmbH 31 D Appendix LASO Service Manual V4 0 B K350 set maximum laser temperature for all ACUs to 50 C here K is dummy unit number 3 is selector for max laser temperature LASO also supports the possibility of switching a certain laser on or off For this a laser deactivated by the Switch ACU Relais command is shortened by hardware F 7 FFSFFS OO
47. to fit with system version code of other units ff firmware version code Examples V C01 01 E Get Error 44 BAUER Engineering GmbH LASO Service Manual V4 0 C Operating Manual Function Notes Parameters Examples E lt error gt Function Notes Parameters lt error gt Examples Y lt code gt Function Notes Parameters lt code gt Examples Read last detected error none none E Get Error Contains last detected error and erases the error out of error buffer Only sent by SCU after E 0 no more error entries 1 99 see Appendix A Failure Codes E 00 Command Error SCU answer on a detected communication command error Only sent by SCU wrong parity bit receive buffer overflow wrong undefined command wrong command length lt gt 8 bytes Dk o g 4 wrong undefined operator e 6 wrong undefined data Y 3 3 LASO System Programming 3 1 Quick Start 1 Connect the communication cable either RS 232 or CAN Use a null modem cable and connect it with connector RS 232 for serial communication or connect a prepared CAN cable to the connector CAN 1 or CAN 2 BAUER Engineering GmbH 45 D Appendix LASO Service Manual V4 0 2 Remove an inserted chip card Turn the power on After power on all parameters are set to default values The LEDs on the front panel flashes for a short moment After this all LEDs are turned off
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