IET Labs, Inc. RLC Digibridge 1693 User And Service Manual page 8

1693 RLC Digibridge
3.9 Keyboard Lock, Function Map, and Summary of Integrations .................................................. 69
3.9.1 Keyboard Lock ................................................................................................................. 69
3.9.2 Function Map ................................................................................................................... 69
3.9.3 Summary of Interrogations ............................................................................................... 70
3.10 Special Functions ...................................................................................................................... 71
3.11 Data Output and Programming via IEEE 488 and RS-232 Interface ....................................... 72
3.11.1 Overview ........................................................................................................................ 72
3.11.2 Configuration .................................................................................................................. 72
3.11.3 Talk-Listen / Talk-Only Toggle Switch .......................................................................... 72
3.11.4 GPIB Address DIP Switch .............................................................................................. 73
3.11.5 Jumpers ........................................................................................................................... 73
3.11.6 RS-232 Serial Interface (Currently Not Implemented) .................................................. 73
3.11.7 Instrument Program Commands ..................................................................................... 74
3.11.8 Legacy Digibridge IEEE-488 Commands ...................................................................... 75
3.11.9 IEEE 488.2/SCPI Digibridge Command Summary ....................................................... 77
3.11.10 IEEE 488.2 / SCPI Digibridge Command Reference ................................................... 80
3.11.11 Example Programming ................................................................................................. 91
3.11.12 Talk-Only Use, for Data Output ................................................................................... 91
3.11.13 Talk/Listen Use, for Remote Programming and Data Transfers .................................. 94
3.11.14 Data Output in Compacted Binary Format ................................................................... 97
3.12 Sample IEEE Programs ............................................................................................................ 100
3.12.1 Programming Hints ........................................................................................................ 100
3.12.2 National Instruments GPIB-PCll Card With the PC ...................................................... 100
3.13 Self-checks and Failure Displays (Error codes) ....................................................................... 101
3.13.1 Power-up Self-Check ..................................................................................................... 101
3.13.2 Failure Display due to Signal Overload ......................................................................... 102
3.13.3 Failure Display due to Abnormal Measurement Cycle .................................................. 102
3.13.4 Failure Display due to LC Resonance ............................................................................ 102
Chapter 4 Theory
4.1 Introduction ................................................................................................................................ 104
4.1.1 General ............................................................................................................................. 104
4.1.2 Brief Description of the 1693 Digibridge......................................................................... 104
4.1.3 Block Diagram ................................................................................................................. 105
4.2 Principal Functions ..................................................................................................................... 107
4.2.1 Elementary Measurement Circuit ..................................................................................... 107
4.2.2 Frequency and Time Source ............................................................................................. 107
vi Table of Contents