Stanford Research Systems SR510 Manual Download Page 72

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SR510 PARTS LIST

REF.

SRS part#

VALUE

DESCRIPTION

50.

DS639

3-00013-306

RED

LED, Rectangular

51.

DS640

3-00013-306

RED

LED, Rectangular

52.

DS641

3-00012-306

GREEN

LED, Rectangular

53.

DS642

3-00012-306

GREEN

LED, Rectangular

54.

DS643

3-00012-306

GREEN

LED, Rectangular

55.

DS644

3-00012-306

GREEN

LED, Rectangular

56.

DS645

3-00012-306

GREEN

LED, Rectangular

57.

DS646

3-00012-306

GREEN

LED, Rectangular

58.

DS647

3-00012-306

GREEN

LED, Rectangular

59.

DS648

3-00012-306

GREEN

LED, Rectangular

60.

DS649

3-00012-306

GREEN

LED, Rectangular

61.

DS650

3-00012-306

GREEN

LED, Rectangular

62.

DS651

3-00012-306

GREEN

LED, Rectangular

63.

DS652

3-00012-306

GREEN

LED, Rectangular

64.

DS653

3-00012-306

GREEN

LED, Rectangular

65.

DS654

3-00012-306

GREEN

LED, Rectangular

66.

DS655

3-00012-306

GREEN

LED, Rectangular

67.

DS656

3-00012-306

GREEN

LED, Rectangular

68.

DS657

3-00012-306

GREEN

LED, Rectangular

69.

DS658

3-00012-306

GREEN

LED, Rectangular

70.

DS659

3-00012-306

GREEN

LED, Rectangular

71.

DS660

3-00012-306

GREEN

LED, Rectangular

72.

DS661

3-00012-306

GREEN

LED, Rectangular

73.

DS662

3-00012-306

GREEN

LED, Rectangular

74.

LD1

8-00001-820

FE0206

LCD Display

75.

LD2

8-00001-820

FE0206

LCD Display

76.

M 1

8-00002-801

#DIV/0!

Analog Meter

77.

PB601

2-00001-201

D6-01-01

Switch, Momentary Push Button

78.

PB602

2-00001-201

D6-01-01

Switch, Momentary Push Button

79.

PB603

2-00001-201

D6-01-01

Switch, Momentary Push Button

80.

PB604

2-00001-201

D6-01-01

Switch, Momentary Push Button

81.

PB605

2-00001-201

D6-01-01

Switch, Momentary Push Button

82.

PB606

2-00001-201

D6-01-01

Switch, Momentary Push Button

83.

PB607

2-00001-201

D6-01-01

Switch, Momentary Push Button

84.

PB608

2-00001-201

D6-01-01

Switch, Momentary Push Button

85.

PB609

2-00001-201

D6-01-01

Switch, Momentary Push Button

86.

PB610

2-00001-201

D6-01-01

Switch, Momentary Push Button

87.

PB611

2-00001-201

D6-01-01

Switch, Momentary Push Button

88.

PB612

2-00001-201

D6-01-01

Switch, Momentary Push Button

89.

PB613

2-00001-201

D6-01-01

Switch, Momentary Push Button

90.

PB614

2-00001-201

D6-01-01

Switch, Momentary Push Button

91.

PB615

2-00001-201

D6-01-01

Switch, Momentary Push Button

92.

PB616

2-00001-201

D6-01-01

Switch, Momentary Push Button

93.

PB617

2-00001-201

D6-01-01

Switch, Momentary Push Button

94.

PB618

2-00001-201

D6-01-01

Switch, Momentary Push Button

95.

PB619

2-00001-201

D6-01-01

Switch, Momentary Push Button

96.

PB620

2-00001-201

D6-01-01

Switch, Momentary Push Button

97.

PB621

2-00001-201

D6-01-01

Switch, Momentary Push Button

98.

PB622

2-00001-201

D6-01-01

Switch, Momentary Push Button

99.

PB623

2-00001-201

D6-01-01

Switch, Momentary Push Button

100.

PB624

2-00001-201

D6-01-01

Switch, Momentary Push Button

Summary of Contents for SR510

Page 1: ...FIER 1290 D Reamwood Avenue Sunnyvale CA 94089 U S A Phone 408 744 9040 Fax 408 744 9049 Email info thinkSRS com www thinkSRS com Copyright 1985 1987 1989 Stanford Research Systems Inc All Rights Rese...

Page 2: ......

Page 3: ...lems 21 Common Hardware Problems 21 Common Software Problems 21 RS232 Interface Introduction to the RS232 21 Data Communications Equipment 22 Wait Command 22 Termination Sequence 22 GPIB IEEE 488 Inte...

Page 4: ...oops 38 Microphonics 38 Thermocouple Effect 38 Appendix B RS232 Simplest Case Using the RS232 39 Using Control Lines 39 Baud Rates 39 Stop Bits 40 Parity 40 Voltage Levels 40 Eavesdropping 40 Appendix...

Page 5: ...e correct fuse into the fuse holder LINE FUSE Verify that the correct line fuse is installed before connecting the line cord For 100V and 120V use a Amp fuse and for 220V and 240V use a 1 4 Amp fuse L...

Page 6: ...2...

Page 7: ...at 1 kHz Current 0 13 pA Hz at 1 kHz Common Mode Range 1 Volt peak Rejection 100 dB dc to 1KHz Above 1KHz the CMRR degrades by 6 dB Octave Gain Accuracy 1 2 Hz to 100KHz Gain Stability 200 ppm C Sign...

Page 8: ...puts Interfaces Outputs X Rcos X Offset Noise Output Meter 2 Precision mirrored analog meter Output LCD Four digit auto ranging LCD display shows same values as the analog meters Output BNC 10 V outpu...

Page 9: ...Analog Meters Displays Signal Offset or Noise as a fraction of full scale Output LCD s Displays Signal Offset or Noise in absolute units Output BNC s Output follows Analog Meter 10 V for full scale Ex...

Page 10: ...ter L2 0 Remove 2XLine Notch Filter L2 1 Insert 2XLine Notch Filter M Return the f 2f Status M0 Set reference mode to f M1 Set reference mode to 2f N Return the ENBW setting N0 Select 1 Hz ENBW N1 Sel...

Page 11: ...ignificant Bit 6 down down to echo on RS232 normally up 7 up Not Used 8 up Not Used If the GPIB mode switches are set as shown in the example column above then the lockin will be addressed as GPIB dev...

Page 12: ...The achievable reserve is limited by the maximum allowable signals at the inputs The notch frequencies are set at the factory to either 50 Hz or 60 Hz The user can adjust these frequencies See the Ma...

Page 13: ...REM indicates that the unit is in the remote state and that the front panel controls are not operative There are two remote states The Remote With Lockout will not allow any inputs from the front pane...

Page 14: ...on represent a fraction of the full scale reading and so their absolute value will change when the sensitivity scale is changed A signal which has been nulled by an offset will not be nulled when the...

Page 15: ...with 1 Vrms amplitude is recommended The phase accuracy of the reference channel is specified for a 1Vrms sinewave in the symmetric trigger mode If the upper TRIGGER MODE LED is on the mode is POSITI...

Page 16: ...If the instrument is in the REMOTE WITH LOCK OUT state no front panel key will return the status to LOCAL In this case a RETURN TO LOCAL command must be sent over the computer interface or the power...

Page 17: ...ts labeled X1 through X4 These inputs may be digitized and read via the computer interfaces The range is 10 24 V to 10 24 V and the resolution is 2 5 mV The input impedance is 1 M A digitization can b...

Page 18: ...ur ways to set the frequency 1 Connect X5 or X6 D A outputs to the VCO INPUT The frequency is now controllable via the computer interfaces by programming X5 or X6 2 If the VCO INPUT is left open then...

Page 19: ...e line The commands must be separated by a semicolon character The commands will not be executed until the terminating carriage return is sent An example of a multiple command is G 5 T 1 4 P 45 10 cr...

Page 20: ...accept commands Type the letter P followed by a carriage return P cr The SR510 responds by sending to the terminal the characters 0 00 indicating that the phase is set to 0 degrees In general a comma...

Page 21: ...te that the P and F commands are used to read the actual values of the phase and frequency D n If n is included the D command sets the dynamic reserve If n is absent the dynamic reserve setting is ret...

Page 22: ...then the 1X line notch is selected if m is 2 the 2X line notch is selected The parameter m is required If n is 1 the L command sets the selected filter in If n is 0 the selected filter is taken out If...

Page 23: ...command is issued Use of this command is not recommended V n If n is included the V command sets the GPIB SRQ service request mask to the value n If n is absent the value of the SRQ mask is returned...

Page 24: ...it is set when the reference oscillator is not locked to the reference input If there is no reference input bit 2 no reference will be set but bit 3 unlock may not be Bit 4 Overload This bit is set if...

Page 25: ...riage return ASCII 13 2 Your computer s baud rate has been changed and no longer matches the SR510 s baud rate 3 The initial command sent to the SR510 was invalid due to a garbage character left in th...

Page 26: ...If a G command is sent requiring an answer of 24 sensitivity 500 mV the SR510 would respond with the string 24 cr cr lf Up to four terminating characters may be specified by the J command If no argum...

Page 27: ...be generated as soon as the serial poll is finished A second serial poll will reflect the unlock condition Any SRQ generated by the no reference unlock overload and auto over range conditions will al...

Page 28: ...netic resonance studies as well as a host of other situations which require the detection of small ac signals A Measurement Example Suppose we wish to measure the resistance of a material and we have...

Page 29: ...manifest itself as a 1 2 nVrms noise after a 10 second low pass filter since the equivalent noise bandwidth of a single pole filter is 1 4RC The output will converge exponentially to the final value...

Page 30: ...results in a degraded output stability since most of the gain is DC gain after the phase sensitive detector In general the lowest DR which does not cause an overload should be used The Current Input h...

Page 31: ...dB octave A two pole filter provides a signal to noise improvement over a single pole filter due to its steeper roll off and reduced noise bandwidth Single pole filters are preferred when the lock in...

Page 32: ...us problem the lock in would respond to signal and noise at f 3f 5f ad infinitum Quite often one component of this picket fence of frequencies would land on some noise source giving a spurious result...

Page 33: ...roduct of the ac and dc amplifier gains The partitioning of the system gain between these two amplifiers will affect the stability and dynamic reserve of the instrument The output is most stable when...

Page 34: ...posite sign Resistors R112 and R110 attenuate the fed back signal from the output of U101 resulting in a differential input single ended output fixed gain of 10 amplifier P101 adjusts the current bala...

Page 35: ...her an in phase or quadrature relationship between the two VCO s Thus the output of the second VCO can be shifted from 5 to 185 deg from the reference The triangle output is divided by R363 and R362 b...

Page 36: ...the logic bits for these extra segments as well as the keyboard row strobes U603 reads the switch closures as the rows are scanned Microprocessor Control The microprocessor U701 is a Z80A CPU clocked...

Page 37: ...to reduce coherent pick up between sections U911 and U912 provide plus and minus 7 5V and U910 generates 5V for the analog circuits Internal Oscillator The internal oscillator is on a small circuit b...

Page 38: ...o minimize the 500 Hz output Adjust P403 at location C2 to minimize the 30 Hz output Now set the both time constants to 1S Adjust P404 at location F4 to zero the output This adjustment has a range of...

Page 39: ...y of 120 0 Hz 100 0 Hz and the LINEX2 NOTCH filter The LINEX2 NOTCH is adjusted by the pair of 20 turn potentiometers located under the back two holes in the signal shield row 5 on the circuit board R...

Page 40: ...noise of _ V2 1 2 0 13 V Hz 106 Hz 1 2 130 V 1 f Noise Arising from resistance fluctuations in a current carrying resistor the mean squared noise voltage due to 1 f noise is given by _ V2 A R2 I2 f f...

Page 41: ...rning off the interfering noise source 2 measuring voltages with low impedance sources and measuring currents with high impedance sources to reduce the effect of istray 3 installing capacitive shieldi...

Page 42: ...echanical noise to appear as electrical noise in a circuit or experiment Consider the simple circuit below The capacitance of a coaxial cable is a function of its geometry so mechanical vibrations wil...

Page 43: ...or baud rate parity and number of stop bits The control lines in the RS232 Standard which are used to indicate that a device is ready to accept data must also be connected correctly at the terminal en...

Page 44: ...00 0001 would appear as follows If a parity option was selected the parity bit would be sent after the 8th data bit but before the first stop bit Final Tip When you are trying to get the RS232 to work...

Page 45: ...nd during the retrieval of the data the listener holds the NDAC No Data Accepted line down When every listener has received the data the NDAC line goes high allowing the talker to release the DAV line...

Page 46: ...BM end 10 EXAMPLE PROGRAM TO READ THE SR510 OUTPUT AND RAMP THE X6 ANALOG OUTPUT 20 USING IBM PC BASICA AND THE COM1 RS232 PORT 30 40 50 ON THE REAR PANEL OF THE SR510 SET SWITCH 1 OF SW2 DOWN 60 AND...

Page 47: ...RS232 OBJ link with RS232 OBJ on SR565 disk RS232 OBJ defines init initializes COM1 to 19 2 kbaud txstr str str is a string terminated with transmits str to COM1 rxstr str str must be declared with l...

Page 48: ...mV x6 x6 0025 if x6 gt 10 x6 0 0 make x6 command string write str2 3000 x6 3000 format x6 f7 3 call txstr str2 and loop forever goto 20 stop end subroutine nocom in case of a timeout error this routin...

Page 49: ...program name AL link with RS232 OBJ on SR565 disk RS232 OBJ defines init Initializes COM1 to 19 2 kbaud txstr str Char str str must terminate with char Sends string str to COM1 rxstr str str must be d...

Page 50: ...tput by 2 5 mV if x 10 x 0 sprintf str2 X6 f x make x6 command string txstr str2 send x6 command print results to screen printf Output 10 36 n v1 nocom error handling routine goes here printf RS232 Ti...

Page 51: ...10 REAR PANEL SET SWITCHES 4 AND 6 ON SW1 TO DOWN DEVICE 60 ADDRESS 23 RS232 ECHO ON AND SWITCH 1 ON SW2 TO DOWN RS232 BAUD 70 RATE 9600 ALL OTHER SWITCHES SHOULD BE UP 80 NOTE THAT THE RS232 ECHO IS...

Page 52: ...R510 450 CALL TRANSMIT LISN STATUS MAKE SR510 A TALKER 460 GOSUB 540 470 ANS SPACE 10 INIT ANSWER STRING 480 CALL RECV ANS LENGTH STATUS READ RESULT INTO ANS 490 GOSUB 540 500 RETURN 510 520 530 CHECK...

Page 53: ...B interface which could be used to control the lockin amplifier In this example the SR510 should be addressed as device 16 by setting the switch bank SW1 per the instructions Page 7 10 x 0 20 OUTPUT 7...

Page 54: ...contains the parts lists and schematics for the SR510 lock in amplifier The first digit of any part number can be used to locate the scematic diagram for the part For example R415 is located on sheet...

Page 55: ...tor Electrolytic 16V 20 Rad 24 C 127 5 00057 512 22U Cap Stacked Metal Film 50V 5 40 85c 25 C 128 5 00057 512 22U Cap Stacked Metal Film 50V 5 40 85c 26 C 129 5 00060 512 1 0U Cap Stacked Metal Film 5...

Page 56: ...C 320 5 00049 566 001U Cap Polyester Film 50V 5 40 85c Rad 74 C 321 5 00003 501 10P Capacitor Ceramic Disc 50V 10 SL 75 C 322 5 00003 501 10P Capacitor Ceramic Disc 50V 10 SL 76 C 323 5 00035 521 47U...

Page 57: ...tacked Metal Film 50V 5 40 85c 125 C 512 5 00054 512 047U Cap Stacked Metal Film 50V 5 40 85c 126 C 513 5 00054 512 047U Cap Stacked Metal Film 50V 5 40 85c 127 C 514 5 00049 566 001U Cap Polyester Fi...

Page 58: ...C 914 5 00035 521 47U Capacitor Electrolytic 25V 20 Rad 177 C 915 5 00100 517 2 2U Capacitor Tantalum 35V 20 Rad 178 C 916 5 00100 517 2 2U Capacitor Tantalum 35V 20 Rad 179 C 917 5 00100 517 2 2U Ca...

Page 59: ...01 4 00006 440 20 Trim Pot Single Turn In Line Leads 233 P 102 4 00012 441 20K Pot Multi Turn Trim 3 8 Square Top Ad 234 P 103 4 00012 441 20K Pot Multi Turn Trim 3 8 Square Top Ad 235 P 104 4 00013 4...

Page 60: ...istor Carbon Film 1 4W 5 278 R 133 4 00179 407 30 1K Resistor Metal Film 1 8W 1 50PPM 279 R 134 4 00179 407 30 1K Resistor Metal Film 1 8W 1 50PPM 280 R 135 4 00131 407 1 00M Resistor Metal Film 1 8W...

Page 61: ...1 8W 1 50PPM 328 R 208 4 00130 407 1 00K Resistor Metal Film 1 8W 1 50PPM 329 R 209 4 00150 407 13 0K Resistor Metal Film 1 8W 1 50PPM 330 R 210 4 00033 404 100M Resistor Carbon Comp 1 4W 5 331 R 211...

Page 62: ...0 4 00021 401 1 0K Resistor Carbon Film 1 4W 5 380 R 332 4 00161 407 2 49K Resistor Metal Film 1 8W 1 50PPM 381 R 333 4 00029 401 1 8K Resistor Carbon Film 1 4W 5 382 R 334 4 00197 407 6 49K Resistor...

Page 63: ...ilm 1 8W 0 1 25ppm 431 R 405 4 00217 408 1 000K Resistor Metal Film 1 8W 0 1 25ppm 432 R 406 4 00193 407 499 Resistor Metal Film 1 8W 1 50PPM 433 R 407 4 00130 407 1 00K Resistor Metal Film 1 8W 1 50P...

Page 64: ...Film 1 8W 0 1 25ppm 481 R 524 4 00078 401 39K Resistor Carbon Film 1 4W 5 482 R 525 4 00059 401 22K Resistor Carbon Film 1 4W 5 483 R 526 4 00032 401 100K Resistor Carbon Film 1 4W 5 484 R 527 4 0002...

Page 65: ...ilm 1 4W 5 533 R 913 4 00107 402 10 Resistor Carbon Comp 1 2W 5 534 R 914 4 00107 402 10 Resistor Carbon Comp 1 2W 5 535 RN401 4 00220 420 10KX8 Resistor Network DIP 1 4W 2 8 Ind 536 RN801 4 00225 425...

Page 66: ...grated Circuit Thru hole Pkg 583 U 316 3 00072 340 CD4046 Integrated Circuit Thru hole Pkg 584 U 317 3 00093 340 LM13600 Integrated Circuit Thru hole Pkg 585 U 318 3 00076 340 DG211 Integrated Circuit...

Page 67: ...U 701 3 00132 340 Z80A CPU Integrated Circuit Thru hole Pkg 636 U 703 3 00081 341 2KX8 100 STATIC RAM I C 637 U 704 3 00491 340 UPD71054C Integrated Circuit Thru hole Pkg 638 U 705 3 00037 340 74HC138...

Page 68: ...ardware 683 Z 0 0 00019 003 MICA Insulators 684 Z 0 0 00025 005 3 8 Lugs 685 Z 0 0 00043 011 4 40 KEP Nut Kep 686 Z 0 0 00048 011 6 32 KEP Nut Kep 687 Z 0 0 00064 027 6 20X5 8P Screw Sheet Metal 688 Z...

Page 69: ...5 00087 516 390P Capacitor Silver Mica 500V 5 DM15 6 C 6 5 00102 517 4 7U Capacitor Tantalum 35V 20 Rad 7 C 7 5 00014 501 390P Capacitor Ceramic Disc 50V 10 SL 8 C 8 5 00034 526 100U Capacitor Electro...

Page 70: ...nsistor TO 92 Package 47 Z 0 0 00100 040 1 4X1 16 Washer Flat 48 Z 0 0 00122 053 2 1 4 24 Wire 24 UL1007 Strip 1 4x1 4 Tin 49 Z 0 0 00136 053 8 1 2 24 Wire 24 UL1007 Strip 1 4x1 4 Tin Miscellaneous Pa...

Page 71: ...6 GREEN LED Rectangular 22 DS611 3 00012 306 GREEN LED Rectangular 23 DS612 3 00012 306 GREEN LED Rectangular 24 DS613 3 00012 306 GREEN LED Rectangular 25 DS614 3 00012 306 GREEN LED Rectangular 26 D...

Page 72: ...00001 201 D6 01 01 Switch Momentary Push Button 78 PB602 2 00001 201 D6 01 01 Switch Momentary Push Button 79 PB603 2 00001 201 D6 01 01 Switch Momentary Push Button 80 PB604 2 00001 201 D6 01 01 Swi...

Page 73: ...Pkg 118 U 610 3 00053 340 74LS164 Integrated Circuit Thru hole Pkg 119 U 611 3 00053 340 74LS164 Integrated Circuit Thru hole Pkg 120 U 612 3 00053 340 74LS164 Integrated Circuit Thru hole Pkg 121 U 6...

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