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User Manual BFS-VRM-03

1. USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI LASER COMPONENTS Description of the LSTAT Register The following list contains a description of the individual LSTAT bits These can be read with the GETLSTAT and written with SETLSTAT command Read Write fo FPULSER OK OK fro When a 1 there is no error pending LE l nene i 1 the driver load its default values on startup ROME DEF Me set to 1 the driver load its el values Always read o PE EN DEF When set to 1 the driver save the current settings as new default values Always read o AS Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom USA Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser RBI LASER COMPONENTS Description of the ERROR Register The following list contains a description of the individual bits of the ERROR register It ca
2. 704 into laser components com www laser components com Laser RBI A Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com LASER COMPONENTS SETTECSOLL Sets the temperature setpoint of the TEC controller to the given value It must be within the borders defined by GETTECSOLLMIN and GETTECSOLLMAX The value is measured in 0 1 C GETTECACT Returns the actual measured temperature of the TEC controller The value is measured in 0 1 C GETTECIMAXMIN Returns the minimum possible value for the TEC current limiter The value is measured in 0 01 A GETTECIMAXMAX Returns the maximum possible value for the TEC current limiter The value is measured in 0 01 A GETTECIMAX Returns the actual value for the TEC current limiter The value is measured in 0 01 A SETTECIMAX Sets the TEC current limiter to the given value It must be within the borders defined by GETTECIMAXMIN and GETTECIMAXMAX The value is measured in 0 01 A GETVREFMIN Returns the minimum possible reference voltage measured in 0 01 V GETVREFMAX Returns the maximum possible reference voltage measured in 0 01 V GETVREF Returns the actual reference voltage measured in 0 01 V SETVREF Sets the reference voltage to the given value It must be within the borders defined by GETVREFMIN and GETVREFMAX The value is measured in 0 01 V
3. LASER COMPONENTS Controlling via USB Introduction In addition to the PLB 21 the driver also has a USB interface to communicate with a computer laptop This interface allows communications over a serial text interface as well as using the PicoLAS protocol While the text interface is designed for communication with a terminal program the PicoLAS protocol is designed as a system interact protocol The switching between the two protocols occurs automatically as soon as the driver receives a certain sequence The corresponding commands are e PING for the PicoLAS protocol binary command see below e init followed by lt Enter gt for the text interface Description of the USB Interface The USB connection of the BFS VRM 03 emulates a virtual COM port under Windows The necessary drivers can be downloaded free of charge under http www ftdichip com Drivers VCP htm or they are already included in the current Linux kernels The virtual COM port created by this can be addressed like a regular one The connection settings are mw ooo sr h France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser compon
4. Output style Open collector internal pullup 220 R short circuit current max 25 mA Threshold setpoint is set digitally via I2C RS232 or PLB 21 Output remains high if signal remain above threshold Short pulses are prolonged to 500 ns retriggerable monoflop Ahigh frequency pulse train pulse distance shorter than 500 ns will appear as a constant high signal at the output France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 2 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Mechanical Dimensions The following dimensions are in millimetres mm France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr peep ALA AA T T Se dae AJ Bru 2 R3242 7 PLB 21 Tti 10 United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc
5. United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 info laser components com www laser components com Laser RBI 25 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Controlling the BFS VRM 03 using a PLB 21 LASER COMPONENTS To control the driver with a PLB 21 it must be connected via the enclosed cable When the PLB 21 is connected the first time you are asked to download a new driver This must be confirmed with yes for working the PLB 21 properly Menu Structure The following diagram shows the structure of the PLB 21 menu which affects the driver All entries are described in detail All other menu entries are described in the PLB 21 manual For detailed instructions see the PLB 21 manual Menu root France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Setpoint o Uincomp o Bias o Vref o Ugate2 TEC Setpoint o TEC stp o TEC act TEC Control o Kp o Ki o Kd o Imax A Measurement o 5V o 5V1 o Temp TEC o ITEC o TempNTC Defaults o def pwron o load defaults o save defaults I2C o l2C Addr United Kingdom Laser C
6. USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 95 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS General Commands The following list contains an overview of the general commands which are supported by every product from PicoLAS which makes use of this protocol The explanation of the individual commands is given further below oxFEo1 0 oxFFo1 O ECR GETSERIAL GETIDSTRING O 255 Refer to description PING This command is used to determine the presence of a connected device and to initialize the interface It has no effect on the condition of the recipient The command parameter is always zero the answer parameter too IDENT It is used to determine the device ID of an attached recipient Has no effect on the condition of the recipient The parameter is always o The answer contains the ID GETHARDVER This command instructs the recipient to send back the version number of the hardware being used The parameter is always zero The answer contains the hardware version of the recipient The format of the answer is ox000000 lt major gt lt minor gt lt revision gt In other words one byte for each of the three elements of the version number As example version 1 2 3 has the parameter 0
7. 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 39 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com LASER COMPONENTS Description of the Individual Commands GETBIASMIN Returns the minimum possible bias current measured in mA GETBIASMAX Returns the maximum possible bias current measured in mA GETBIAS Returns the actual bias current measured in mA SETBIAS Sets the bias current to the given value It must be within the borders defined by GETBIASMIN and GETBIASMAX The value is measured in mA GETUINCOMPMIN Returns the minimum possible UinComp voltage GETUINCOMPMAX Returns the maximum possible UinComp voltage GETUINCOMP Returns the actual UinComp voltage SETUINCOMP Sets the UinComp to the given value It must be within the borders defined by GETUINCOMPMIN and GETUINCOMPMAX GETMESS5V Returns the actual measured voltage of the 5V LD input The value is measured in 0 01 V GETMESS5V1 Returns the actual measured voltage of the 5V TEC input The value is
8. 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 3l Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com LASER COMPONENTS gvrefmin ino es aero ss gvref returns the minimal VREF value in V ene S C ames S METTE a E returns the actual voltage of the 5V LD input in V gitec returns the actual TEC current in A S GE returns the actual TEC temperature in C sie L FEET i Cr iii gtist gtsollmax MA returns the maximal TEC temperature setpoint in C gtsoll MH returns the actual TEC temperature setpoint in C stsl sets the TEC temperature setpoint to the given value in C sgkpmin fe returns the minimal strength of the proportional part of the TEC controller returns the maximal strength of the proportional part of the TEC controller France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr returns the actual strength of the proportional part of the TEC controller C RER sets the strength of the proportional part of the TEC controller to the given value C a ner L Sirti at tie aent sets the strength of the integral part of the TEC
9. 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Description of the I O Connector 5 ul ot gla lg l LASER COMPONENTS orinted circuit board France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr LDS VRHSP 02 BF BFS VRM 03 eee Te DE en Under Temperature at Under Temperature SCL 120 SCL 120 SDA 120 SDA 120 United Kingdom USA Laser Components UK Ltd Laser Components USA Inc Tel 44 1245 491 499 Tel 1 603 821 7040 Fax 44 1245 491 801 Fax 1 603 821 7041 into laser components com www laser components com into lasercomponents co uk www lasercomponents co uk Laser RBI LASER COMPONENTS Linearity current voltage characteristic pulse mode 3000 2500 Z 2000 E A 1500 haa S 1000 500 0 0 100 200 300 400 500 600 700 800 900 1000 Uin mV current voltage characteristic cw mode 500 400 eL E 300 xe A 200 100 0 0 25 50 75 100 125 150 175 2
10. GETERROR Returns the content of the error register 32bit For a detailed description of the single bits see chapter description of the ERROR register GETLSTAT Returns the content of the laser status register 32bit For a detailed description of the single bits see chapter description of the LSTAT register SETLSTAT Sets the laser status register to the given value The return value contains the acquired register content For a detailed description of the single bits see chapter description of the LSTAT register France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI AD Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS GETREGS Returns the content of the laser status register and the error register in a single 64bit word The upper 32 bit represents the ERROR the lower 32bit the LSTAT register CLEARERROR This command clears the ERROR register It is currently not used LOADDEFAULTS This command replaces all
11. Laser RBI LASER COMPONENTS Dos and Don ts Never ground any output connector Q Do not connect your oscilloscope to pin no 10 and pin no 11 This will immediately destroy the driver and the probe Keep connecting cables between power supply and driver as well as the connection between driver and laser diode as short as possible Mount the driver on an appropriate heat sink Please be aware that there might be hot surfaces be careful not to touch them Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser Diodes LASER COMPONENTS How to get started v The basic settings Temperature BIAS Current etc can be adjusted using the RS232 or the PLB 21 You need an additional fast arbitrary waveform generator AWG which has to be connected to the Input MMCX Terminal There is no AWG on board of the seed driver The PCB is very thin Mechanical forced have to be avoided to prevent damage
12. Mechanical damages are not covered by warranty Step What to do Check l Assemble the driver onto an appropriate heat sink 2 Solder a dummy diode between pinno 10and Refer to Chapter Test Load pin no 11 alternatively make a short circuit there 3 Connect GND 5V TEC and 5V LD on Power Required current for this step is around connector Power Supply disabled 1 2A 4 Connect PLB21 via D SUBg to Micro MaTch Refer to cable drawings cable 5 Connect AWG or pulse generator on Input i l Refer to all chapters referencing Input Terminal no pulse before power supply Connector 2 enabled 6 If a PLB 21 is used communication must be Check the 5V TEC supply for this step possible 7 Enable the power source for 5V LD and feeda Make sure not to overload the laser diode Pulse on the input terminal For example 0 5 V or the driver amplitude 1 us pulse width and 300 us Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 info lasercomponents fr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www lasercompone
13. Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com LASER COMPONENTS gt 4 mn d Laser RBI 22 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com The following dimensions are in millimetres mm a b C d e f g h i LASER COMPONENTS France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser RBI 23 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com I C Interface The driver is equipped with a standard IC slave interface It supports 7 bit slave addressing and is 3 3 5V compatible It implements an PC ram with 32bit wide data words An internal address counter increments automatically as soon as 3 bytes of a register are read written All registers are big endian encoded It is possible to read out or write all registers in a row Any changes are applie
14. from the beginning A frame has a fixed structure The first two bytes describe the command the following eight bytes the parameters followed by one reserved byte and one checksum byte The checksum is calculated out of the first 11 bytes which are linked by a bitwise XOR Thus a frame has the following structure C O S A properly received frame must be acknowledged by the recipient with an answer which is also a frame If the acknowledgement does not occur the command has not been processed and the sending procedure should be repeated If the recipient recognizes the command as valid but not the parameters then it will answer with an ILGLPARAM oxFF12 as command In case that the recipient receives an invalid command it will answer with UNCOM oxFF13 If a faulty checksum is recognized then the answer is RXERROR oxFF10 If this error occurs often the connection should be checked Using the REPEAT oxFF11 command the recipient can instruct the sender to send the most recent frame again 34 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk
15. measured in 0 01 V GETMESSTTEC Returns the actual measured TEC temperature The value is measured in o 1 C GETMESSITEC Returns the actual measured TEC current The value is measured in 0 01 A GETMESSTNTC Returns the actual measured NTC temperature The value is measured in 0 1 C GETKPMIN Returns the minimum possible strength of the proportional part of the TEC controller France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 40 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com LASER COMPONENTS GETKPMAX Returns the maximum possible strength of the proportional part of the TEC controller GETKP Returns the actual strength of the proportional part of the TEC controller SETKP Sets the strength of the proportional part of the TEC controller to the given value It must be within the borders defined by GETKPMIN and GETKPMAX GETKIMIN Returns the minimum possible strength of the integral part of the TEC controller GETKIMAX R
16. rar le fom fnise i os ii rer p Te lape o amom aout ie rire TECK reas lens ie Inea eme fea is na Tear gt fom IR ro raa os ss serecsou aout fom fame 7 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI LASER COMPONENTS GETTECIMAXMIN OX0051 OX0140 minimum TEC current limiter value in 0 01 A GETTECIMAXMAX 0X0052 0X0140 maximum TEC current limiter value in 0 01 A GETTECIMAX 0x0053 0X0140 actual TEC current limiter value in 0 01 A SETTECIMAX 0X0054 current in 0 01 A 0X0140 actual TEC current limiter value in 0 01 A ver fee fee Rae pei fom fm am em em fate ss le mm ENE ver Joes fem i sn E me feen ea ss cd Gi n Gi i Gin me em fee fei GETLSTAT 38 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1
17. 00 Uin mV 18 Germany amp Other Countries France United Kingdom USA Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI LASER COMPONENTS Cooling The seed driver is base plate cooled only Please assemble the entire unit to a heatsink which is capable to take out the heat The heatsink is suitable if the system temperature does not exceed the maximum operating limits To achieve best performance the base plate temperature should be kept in the range of 10 C 35 C The peak heat load is 25 W Test Load For the first testings a test load may be assembled instead of the laser diode This test load may bea short circuit or a fast schottky diode like ES3C Please connect the test load only between Anode and Cathode LD and LD and prevent shorts to any other part of the circuit TEC Stage The seed driver has got an internal TEC stage to drive typical TECs inside the butterfly package All parameters can be set digitally via I2C RS232 or the PLB
18. 21 There is no analogue input or potentiometers for these setpoints on the board TEC set point adjustment o C 70 C TEC temperature accuracy 0 1 C Switching points at gt 1 5 C from set point temperature result a Low Signal on the over under temperature output If the actual temperature reaches the set point temperature the over under temperature output will be pulled to a high signal Germany amp Other Countries France United Kingdom USA Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 20 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser fire monitoring output 5 2 The seed driver is equipped with a laser firing monitor Terminal 5 Pin 2 LASER COMPONENTS The output is TTL and gets high whenever the current of back facet monitor diode is above the triggering threshold Output 5V TTL active HIGH
19. 4 France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk PN A H l AG a t k oo C am USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser RBI LASER COMPONENTS Only for the use with the PLB21 prevent any overload or short max 100 mA av PGND fmm The RS232 Interface can be used with a PC and a Terminal Program or with the PLB 21 How to connect the PLB 21 to the RS232 Connector 4 Aerial View E HTH 6 GND e D SUB9 Female Micro Match To connect the PLB 21 to the seed driver a cable according the scheme above is required DSUBg female on cable Harting 0966118 7500 Micro MaTch on cable Molex 90327 0304 Germany amp Other Countries France United Kingdom USA Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491
20. Laser RI User Manual LDS VRHSP 02 BF BFS VRM 03 HP BFS VRM 03 LP LDS VR 03 PicoLAS GmbH Company for Innovative Power Electronics and Laser Technology Germany amp Other Countries France United Kingdom USA Laser Components GmbH Laser Components S A S Laser Components UK Ltd Laser Components USA Inc Tel 49 8142 2864 O Tel 33 1 39 59 52 25 Tel 44 1245 491 499 Tel 1 603 821 7040 Fax 49 8142 2864 11 Fax 33 1 39 59 53 50 Fax 44 1245 491 801 Fax 1 603 821 704 into lasercomponents com infoQlasercomponents fr into lasercomponents co uk into laser components com www lasercomponents com www lasercomponents fr www lasercomponents co uk www laser components com LASER COMPONENTS Rev 14 07 Laser RBI Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Table of Contents LASER COMPONENTS Te NN 2 How to se the Manual EE EE KN DEERE REE 3 Absolute Maximum Ratings destroying Ims see eee eee 3 RI Te H le E E E E E E A 4 How to g t Av 5 Required Laser Diode Pinout Jaren 7 Required electrical characteristics of the Laser Diode eee 8 Operation Principle of the BFS VRM 02 9 Description of the Connectors of the BFS VRM 03 esse eee 11 Input 2 and Current Monitor R eee eee 12 UE Overdrive EE EE Laue EA E beer a EEEE 13 Propagation delay 2 to 1 EE EE er erne 14 P
21. a butterfly package according to the following Pin Layout a ae eo 8 9 10 11 12 13 14 2 0 26 0 14x TOP VIEW F on B N ee EEE 55 EJE i B50 15 NOM 4 4x ges a 2 5 THRU 4x The driver is connecting Pin 9 amp 10 and Pin 11 amp 12 together Pitch of the legs 2 5 mm Distance of the legs to bottom of the chassis 4 5 mm VAN Please shorten the legs to avoid short circuits inside the driver The maximum internal stray impedance must not exceed 10 nH to VAN achieve best performance 7 Germany amp Other Countries France United Kingdom USA Laser Components GmbH Laser Components S A S Laser Components UK Ltd Laser Components USA Inc Tel 49 8142 2864 O Tel 33 1 39 59 52 25 Tel 44 1245 491 499 Tel 1 603 821 7040 Fax 49 8142 2864 11 Fax 33 1 39 59 53 50 Fax 44 1245 491 801 Fax 1 603 821 7041 into lasercomponents com into lasercomponents tr into lasercomponents co uk into laser components com www lasercomponents com www lasercomponents fr www lasercomponents co uk www laser components com Laser RBI Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS Required electrical characteristics of the Laser Diode RE RN TE SE Laser Diode Forward Voltage Back facet monitor reverse voltage Back facet monitor responsivity 5 V reverse v
22. controller to the given value United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI LASER COMPONENTS Command Parameter Description gkdmin EE the minimal strength i differential part of the TEC controller gkdmax returns the maximal strength of the differential part of the TEC controller returns the actual strength of the differential part of the TEC controller value sets the strength of the differential part of the TEC controller to the given value gimaxmin returns the minimum current limiter valvein A returns the minimum current limiter value in returns the minimum current limiter valuein A gimaxmax FG returns the maximum current limiter value in A Simar 1 returns the actual current limiter value in A current in A sets the TEC current limiter to the given value 32 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom USA Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into la
23. d as soon as a complete register is written Write commands need some time to complete thus the I2C slave uses the clock stretching technique to notify the master that it is not ready The PC master must be able to detect clock stretching if more than one register is written at a time The following table shows the internal register assignment France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr r r r actual TEC current m M A A A A C C C C C o e o Oe e D l G D l bl B o O 0 01 ERROR register od a MENE Le a 7 a 9 R a HE HE ME ER ME ME ME ER EN DA Za 18 Ei ME LE ME 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 9 2 United Kingdom USA Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com LASER COMPONENTS Laser RBI LASER COMPONENTS 24 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr
24. e GE REPEAT oxFF11 0 aaa fe R un forme RXERROR If a frame is repeated four times and still broken this answer will be send REPEAT The last frame was received in a broken state The transmission must be repeated This can be up to four times before a RXERROR will be send ILGLPARAM The parameter of the last frame had an incorrect value UNCOM The command of the last frame is unknown by the device 36 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI LASER COMPONENTS Commands for the driver The following table contains a list of the commands which the driver supports in addition to the generally applicable commands An explanation of each individual command follows afterwards commend is i rane ann oon ene fm ans ooo fe ELDER gt fom ovnen Cs cc rn fee SEEGER fee fremme SETUINCOMP GETMESSSV GETMESSSV1 GETMESSTTEC GETMESSITEC rem le TR in ere ona oie laea
25. e of the driver and may damage the LD and the driver These changes are not issue of warranty All changes are monitored and will cause the lost of the warranty TEC Setpiont TEC stp This value defines the temperature setpoint of the TEC controller TEC act This value shows the actual measured temperature of the TEC controller TEC Control Kp This value defines the strength of the proportional part of the TEC controller Ki This value defines the strength of the integral part of the TEC controller Kd This value defines the strength of the differential part of the TEC controller Imax A This value defines the maximum current output of the TEC controller France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 27 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS Measurement 5V This value represents the actual measured voltage of the 5V LD supply voltage input 5V1 This value represents the actual measured v
26. ents com www laser components com Laser RBI 29 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS The Serial Text Interface The following section describes the structure and commands of the text interface Structure Every command that is sent to the driver must be completed with a CR Enter It consists of a command word followed by one ore more a parameters If the command was successfully executed a oo is sent otherwise a o1 If there is an error pending the response will be 10 otherwise 11 If the command requires an answer parameter this parameter is sent before the confirmation is given Example The user would like to read out the actual temperature setpoint User input gtsoll lt Enter gt Output of the driver 250 lt CR gt lt LF gt 00 lt CR gt lt LF gt Example 2 The user would like to set a new setpoint current User input stsoll 270 lt Enter gt Output of the driver 270 lt CR gt lt LF gt 00 lt CR gt lt LF gt Input is done in ASCII code and is case sensitive Every terminal can be used that supports this standard France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lase
27. eturns the maximum possible strength of the integral part of the TEC controller GETKI Returns the actual strength of the integral part of the TEC controller SETKI Sets the strength of the integral part of the TEC controller to the given value It must be within the borders defined by GETKIMIN and GETKIMAX GETKDMIN Returns the minimum possible strength of the differential part of the TEC controller GETKDMAX Returns the maximum possible strength of the differential part of the TEC controller GETKD Returns the actual strength of the differential part of the TEC controller SETKD Sets the strength of the differential part of the TEC controller to the given value It must be within the borders defined by GETKDMIN and GETKDMAX GETTECSOLLMIN Returns the minimum possible temperature setpoint of the TEC controller The value is measured in 0 1 C GETTECSOLLMIN Returns the maximum possible temperature setpoint of the TEC controller The value is measured in 0 1 C GETTECSOLL Returns the actual temperature setpoint of the TEC controller The value is measured in 0 1 C France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821
28. internal parameters with their default values If the output is enabled during the execution of this command the L_ON bit of the LSTAT register will be cleared and the output disabled This command will fail if the CRC_DEFAULT_FAIL bit in the ERROR register set indicating an error within the data If the DEF PWRON bit in the LSTAT register is set the device automatically loads these values during power up SAVEDEFAULTS This command saves all internal parameters into an EEPROM for later usage Use command LOADDEFAULTS to restore them GETUGATE2MIN Returns the minimum possible Ugate2 voltage measured in 0 01 V GETUGATE2MAX Returns the maximum possible Ugate2 voltage measured in 0 01 V GETUGATE2 Returns the actual Ugate2 voltage measured in 0 01 V SETUGATE2 Sets the to the given value It must be within the borders defined by GETUGATE2MIN and GETUGATE2MAX The value is measured in 0 01 V GETI2CMIN Returns the minimum possible I2C address GETI2CMAX Returns the maximum possible 2C address GETI2C Returns the actual possible PC address SETI2C Sets the I2C to the given value It must be within the borders defined by GETI2CMIN and GETI2CMAX France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk
29. lication and operation regime this unit may stay none cooled or must be assembled onto a heat sink Please refer to chapter Power dissipation for more details about the thermal power losses during operation You me use a passively or an actively air water cooled device Housing All units are delivered with housing Changes are possible the units can be delivered without housing upon request Before powering on your unit read this manual thoroughly and make sure your understood it fully A Please pay attention to all safety warnings If you have any doubt or suggestion please do not hesitate to contact us Absolute Maximum Ratings destroying limits All Input Pins must not exceed the voltage range below zero GND and beyond VCC VCC Limit Refer to table in chapter Power Supply 3 Peak TEC Current 1 5 A Max UT OT current 1omA Operating temperature range 0 C 60 C Best performance operating temperature range 10 C 35 C Storage temperature range 20 C 70 C France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 info laser components com www laser components com
30. mponents com www lasercomponents com Laser RBI Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laserfire block diagram France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk LASER COMPONENTS OUT Detection Threshold USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www lasercomponents com Laser Diodes LASER COMPONENTS Description of the Connectors of the BFS VRM 03 MMCX female MMCX male Output MOLEX 73415 1001 e g Farnell 1111325 Signal Input MMCX female MMCX male MOLEX 73415 1001 e g Farnell 1111325 99 Power connector Screw terminals a MOLEX_908140004 a 90327 0304 e g Farnell 673146 Micro MaTch Male on Wire female 8 215460 0 Programming adapter Do not use Current monitor 1 215083 0 e g Farnell 1772972 Not assembled for LDS VRHSP 02 BF Connector is different for LDS VRHSP 02 BF Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Com
31. n be read with the GETERROR command CEG CHKSUM FAIL A CRC error was detected in the internal configuration values Please contact your distributor 1 PLB CHKSUM FAIL ro A CRC error was detected in the PLB driver The driver cannot be used This does not affect the device but the PLB DEF CHKSUM FAIL A CRC error was detected in the default values A re save of the values should correct this 3 Bit 2 4 VCC_TEC_FAIL 5 31 ro i VCC_LD_FAIL ro The measured voltage on the 5V LD input is not within valid range i 0 The measured voltage on the 5V TEC input is not within valid range 08 14 VI HW picolas manual bfs vrm 03 gt K Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com
32. nt monitor 4C0ps Ht Af UTV Tere s LO A WARNA PARP ee MA AM MA Nl Tey oomi Ch3 Zoom 1 Cd 100mv 10 05 100my 10 05 14 Germany amp Other Countries France United Kingdom USA Laser Components UK Ltd Laser Components USA Inc Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Tel 1 603 821 7040 Fax 1 603 821 7041 info laser components com www laser components com Laser Diodes Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS Power Supply 3 and Supply Absolute Maximum Ratings The seed driver requires a stabilized 5V for the uC and TEC and a separated stabilized 5 V for the laser driver itself The uC supply must not shut down before the laser driver supply is down The laser driver supply can be interrupted at any time for e g safety reasons by the customer If this kind of safety function is not required both 5 V may be connected together Pin of conn 3 Allowed range Destroying limit END am em Description of the RS232 Connector
33. nts com Laser RBI LASER COMPONENTS repetition rate 8 On Imon Output current monitor you can measure a signal comparable with the input signal 1 V on the input terminal results a current of 3 A by test diode or bypass and 0 6 V on the Imon Output Use an oscilloscope with a 50 Ohm termination 9 Disable the input signal and turn the power sources for 5V LD and 5V TEC of Take out the test diode or bypass Assemble the final laser diode 10 Turn the power supply for the 5V TEC on With Use the menu TEC Setpoint gt TEC stp a laser diode with TEC on the driver you can take temperature settings on the PLB21 Make sure not to overload the laser diode LI Apply the driving signal Typical 3 A guaranteed 2 5 A Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom USA Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser Diodes LASER COMPONENTS Required Laser Diode Pinout The BFS VRM 03 is designed for the use with Laser Diodes in
34. oltage 0 5 20 uW mA UW mA 10 UW mA typ Back facet monitor dark current 5 V reverse bias voltage 1 40Na Thermistor resistance TEC Current TEC voltage France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr At 25 C 95k 105k0 Peak Current short term Pf 2 0A TEC Current Diode United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser Diodes LASER COMPONENTS Operation Principle of the BFS VRM 03 Laser Driver block diagram IContol Unit Measurement TEC Driver block diagram Temp actual Over under temperature 1 Measurement United Kingdom USA Germany amp Other Countries France Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser co
35. oltage of the 5V TEC supply voltage input Temp TEC This value represents the actual measured TEC temperature ITEC This value represents the actual measured TEC output current Temp NTC This value represents the actual measured temperature of the onboard NTC Defaults def pwron If enabled the BFS VRM 03 loads default values every time it is powered on These values are CRC checked at power up If this check fails the values are not loaded and an error message is displayed Save defaults When the Jogdial is turned or the ENTER key is pressed all current values are saved Load defaults When the Jogdial is turned or the ENTER key is pressed all current values are overwritten by the saved ones If the output was enabled at this time it becomes disabled I2C I2C Addr This value defines the address on which the driver listens on the I2C bus France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom USA Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 28 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com
36. omponents UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 26 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS Setpoint Uincomp This Value is part of the calibration procedure performed at PicoLAS It must not be Q changed by customer Changes have an impact on the performance of the driver and may damage the LD and the driver These changes are not issue of warranty All changes are monitored and will cause the lost of the warranty Bias This Value is part of the calibration procedure performed at PicoLAS It must not be Q changed by customer Changes have an impact on the performance of the driver and may damage the LD and the driver These changes are not issue of warranty All changes are monitored and will cause the lost of the warranty Vref This value is the Threshold level of the laser firing monitor If the photocurrent is higher than the level the monoflop will be triggered and the laser firing output is set high Ugate2 This Value is part of the calibration procedure performed at PicoLAS It must not be Q changed by customer Changes have an impact on the performanc
37. ower Supply 3 and Supply Absolute Maximum Ratings sese eee eee eee eee ee 15 Description of the RS232 Connector i 15 How to connect the PLB 21 to the RS232 Connector 44 sese eee eee 16 Description of the I O Connector 5 sse 17 ET NE ERE EE aene ET ea Eee er ERE ERNE ER 18 Cooling PER EE ER EE cect eee 19 Tv 19 FL PS 19 Laser fire monitoring output Frege 20 Mechanical Dimension Serriera e ee etab bed RTT ha Rea nee sne 21 FEE Se 23 Controlling the BFS VRM 03 using a PLB 231 e 25 Controlling Via US Boca tes be ceesseerelay cs Es ENE uni i oien einne iaa Eia iiin ieie iaeia 28 Pre Pico LAS en T 34 France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser Diodes Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com LASER COMPONENTS How to use the Manual A Remark The BFS VR 03 described in this manual is a base plate cooled laser diode driver Improper cooling may cause an internal over temperature shutdown Base plate cooling Depending on the final app
38. ponents S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom USA Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser Diodes LASER COMPONENTS Input 2 and Current Monitor 1 The driving analogue signal is provided via Connector 2 The output current is following the input signal within the limitations bandwidth max current rise time proportional refer to Chapter Linearity Input Signal BFS VRM 03 HP Output Current T rise lt lng T fall lt 1 n BFS VRM 03 LP Output Current Trise 20ns T fall 20 ns File Ede Vertical Horngfacqg Trig Display Cursors Messure Masks Math Ub M40 Op SOMS ZU rikt Gh 200 G4 2000 A CHS Sem 12 Germany amp Other Countries France United Kingdom USA Laser Components GmbH Laser Components S A S Laser Components UK Ltd Laser Components USA Inc Tel 49 8142 2864 O Tel 33 1 39 59 52 25 Tel 44 1245 491 499 Tel 1 603 821 7040 Fax 49 8142 2864 11 Fax 33 1 39 59 53 50 Fax 44 1245 491 801 Fax 1 603 821 7041 into lasercomponents com into lasercomponents tr into lasercomponents co uk into laser components com www lasercomponents com www la
39. rcomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI LASER COMPONENTS Commands for the BFS VRM 03 The following table contains a command reference for the BFS VRM o03 Description returns the hardware version number Command Parameter gswver a returns the software version number gserial HA returns the serial number gname HA returns the device name ps E prints out all settings loaddef load default values savedef save all settings as default values autoload 1 0 enables or disables the automatic loading of default settings on power on C n TT meme femmes Sen i omme Iann eaten guincomp returns the actual UinComp voltage suincomp value sets the UinComp voltage to the given value returns the minimal bias current returns the actual bias current gbiasmax f returns the maximal bias current EC current in A sets the bias current to the given value mn ere meme a fom 30 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491
40. sercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 704 into laser components com www laser components com Laser RBI 33 Germany amp Other Countries Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 info lasercomponents com www lasercomponents com If an Error Occurs If an error occurs during operation the pulse output is switched off and the return value of a command is no longer oo or o1 but 10 or 11 To retrieve the error use the gerror command for the content of the ERROR register or the gerrtxt command for a human readable form France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com LASER COMPONENTS Laser RBI LASER COMPONENTS The PicoLAS Protocol The following section describes the structure and possible commands of the PicoLAS protocol Structure Each transmission consists of 12 bytes called a frame as follows which must be sent consecutively Otherwise the system times out and the transmission must start again
41. sercomponents fr www lasercomponents co uk www laser components com Laser Diodes LASER COMPONENTS File B t Yertica Haorial amp cg Thig Display Cursors Measure flasks Mah Uk Ta an ANA NA Hg Chi Mom 2 i Che Ot M 1000ns 2 585 IT 4Ops pt l Che 100my 2 A Ghd s 47 ny Input overdrive 2 Only for BFS VRM 03 HP Fie EH Verlkd Horigfteg Trig Display 0 Sus besue IFE UT 1 Akon Leri aide Tain an Fatt TEN Lines aide Fido arm ena agi 7 1119 x Li adie E ana aen aa naa sert Paper kartong en V lede 103 drev 4 Lind Aire A 1 Feel cep en i i chi move NR ZNR Faea Ch3 TO Chel TOWN 9 A hi y 97 Eri IS Germany amp Other Countries France United Kingdom USA Laser Components GmbH Tel 49 8142 2864 O Fax 49 8142 2864 11 into lasercomponents com www lasercomponents com Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser LASER COMPONENTS RBI Propagation delay 2 to 1 The typical propagation delay from input to start of current flow is typ 10 ns Additional 8 ns appear through the internal curre
42. x000000010203 GETSOFTVER Instructs the recipient to send back the version number of the software being used The parameter is always 0 The answer contains the software version of the recipient The format of the answer is ox000000 lt major gt lt minor gt lt revision gt In other words one byte for each of the three elements of the version number As example version 2 3 4 has the parameter 0x000000020304 GETSERIAL Instructs the recipient to send back its serial number If o is sent as parameter the answer contains the number of ASCII digits of the serial number otherwise the respective position of the serial number is sent in ASCII format GETIDSTRING Instructs the recipient to send back the name of the device If o is sent as parameter the answer contains the number of digits of the string otherwise the respective position of the serial number is sent in ASCII format France Laser Components S A S Tel 33 1 39 59 52 25 Fax 33 1 39 59 53 50 into lasercomponents tr www lasercomponents fr United Kingdom Laser Components UK Ltd Tel 44 1245 491 499 Fax 44 1245 491 801 into lasercomponents co uk www lasercomponents co uk USA Laser Components USA Inc Tel 1 603 821 7040 Fax 1 603 821 7041 into laser components com www laser components com Laser RBI LASER COMPONENTS In addition to these commands there are some answers which can be given to every command i p amor fe

User Manual BFS-VRM-03

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