BRUEL & KJAER 2131 - Table of Contents

CONTENTS
1. INTRODUCTION AND SPECIFICATIONS (PRODUCT DATA) ................................................. 1
2.
CONTROLS .......................................................................................................................... 17
2.1. FRONT PANEL OF DIGITAL FREQUENCY ANALYZER TYPE 2131 . .. .. .............. 17
Controls used in General Operation .. ........ . ........ ................ .. ...... .. ............... 17
Controls used in Averaging ........ .. ....... . .. ....... .. ............. .............. .. ............. . 20
Controls used in Spectral Storage and Comparison ...... . .. ....... ....... ..... .. .... .. ... 21
Input and Output Controls ....... . ........... .. .. ..... ...... . .. ..... . ......... ............ .. ....... 23
2.2. DISPLAY SCREEN OF DIGITAL FREQUENCY ANALYZER 2131 . .. .... .. ..... ........ 24
2.3. REAR PANEL OF DIGITAL FREQUENCY ANALYZER 2131 ...... .................. ..... 25
3. OPERATION .......................................................................... . .............................. . ............... 28
3.1. PRELIMINARY ADJUSTMENTS ........ ...... . ........ . .. ..... .. ........ . ................. .. ... .. 28
3.2. CALIBRATION ............. ... ........ . .. .. .. .... .... .. ... ... .. .......... ............ . ............ .. ... . 29
Calibration using the Internal Amplitude Reference of the 21 31 .. .. ................ 30
Calibration using an External Amplitude Reference ... . .. . .. .. .. .. ................... .... 31
3.3 . GENERAL OPERATION, ANALOG INPUT .... . ......... . ............. . .......... ..... ......... 31
3.4 . THE AVERAGING FUNCTIONS .. ... ....................... .. ................... .. .......... .... .. 32
Operation of Linear Averaging .. ... ..... .. .................... .. .... .... .. .. . .. ................ .. 36
Operation of Exponential Averaging ............... .. .. .. .. .. .. .. ....... . .......... ...... ....... 37
3.5. THE STORAGE FUNCTIONS ........ .. ........... .... ............ ............ .. . .. .. .. .. . .. ...... .. 37
3.6. ANALOG OUTPUT FROM THE 2131 .. ...................... .. .......... . .. . .. .......... ....... 38
Analog Output to a Level Recorder Type 2305 or 2307 . .. ...... .. .... .......... ..... .. 38
Analog Output to an X-Y Recorder .. ...... .. ...... ..... .............. .... ............ .......... 40
Analog Output to a Bruel & Kjcer X-Y Recorder Type 2308 .. .. ............. .. . .. .... 42
3. 7. DIGITAL INPUT TO THE 2131 ..... . ........ .. ................. . ......... .. ... ...... . ............ 44
Digital Input from a Bruel & Kjcer Tape Reader Type 71 02 .......... .. .... ....... .... 44
3.8 . DIGITAL OUTPUT FROM THE 2131 .. ........... .... ...... .. . .. ..................... .. ...... .. 45
Digital Output to a Bruel & Kjcer Tape Punch Type 6301 ....... ... .......... ... .. .... 45
Digital Output to a Bruel & Kjcer Alphanumeric Printer Type 231 2 .. . .. . .. ..... .. . 46
3. 9. REMOTE PROGRAMMING OF THE 2131 .. ........ .. .. .. . .. ..... ........ .. .. .. .. ...... .. . .. 46
3.1 0. EXTENSION UNITS . .......... ..................... .. .. ..... ............... ............ .. ........... . 4 7
3.
11 . RACK MOUNTING OF THE 21 31 ... .. ... ... .. .. .. .. .. .. ..... .. ........ .. .. . .. .. ....... .. ...... 48
4. DIGITAL DATA TRANSFER AND REMOTE CONTROL OF THE 2131
VIA THE IEC INTERFACE ..................................................................................................... 49
4.1 . IEC FUNCTIONS IMPLEMENTED ............. ..... .. . .. ... .. ...... ........ . .. . .. .. ........... .. .. 49
4.2. SELECTION OF ADDRESSES ....... ....... ........... ..... .. .. . .. .......... ................. ..... 50
4.3. DATA FORMATS ......................... ................ .. .. ... .. ......... ........ .................. . 51
4.4. PROGRAMMING CODES .............. ...... ........................ ..... .. ........... ..... .. .... .. 53
4.5. PROGRAMMING EXAMPLES ........ ......... ....... ..... .. . ....... .. ....... .. ...... .. ... .. .... .. 53
General Programming .. .. ................ .. .. .. .. .. ...... .. ....... .. .. ....... .... .. .. .... .. ......... 55