Black Box 488 Controller, Руководство пользователя

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CONTENTS
5
Chapter Page
1. Specifications....................................................................................................................................................8
2. Introduction ...................................................................................................................................................10
2.1 Description............................................................................................................................................10
2.2 What’s Included ....................................................................................................................................10
2.3 Abbreviations ........................................................................................................................................11
3. Getting Started ...............................................................................................................................................12
3.1 Configuration .......................................................................................................................................12
3.2 Serial-Port Settings................................................................................................................................14
3.2.1
Serial Baud Rate .......................................................................................................................14
3.2.2 Serial Word Length (Data Bits)...............................................................................................15
3.2.3 Serial Stop Bits .........................................................................................................................16
3.2.4 Serial Parity...............................................................................................................................16
3.2.5 Serial Echo................................................................................................................................17
3.2.6 Serial Handshake .....................................................................................................................17
3.3 Selecting Terminator Substitution.......................................................................................................18
3.3.1
Serial Terminator .....................................................................................................................18
3.3.2 IEEE Bus Terminator ...............................................................................................................19
3.4 Selecting the Mode...............................................................................................................................19
3.5 Selecting the IEEE Address..................................................................................................................20
3.6 Feature Selections.................................................................................................................................21
3.6.1
Controller Pass-Thru Features ................................................................................................21
3.6.2 Peripheral Pass-Thru Features ................................................................................................22
3.7 Serial Interface .....................................................................................................................................22
3.7.1
RS-232/RS-422 Signal Level Selection....................................................................................22
3.7.2 Serial Signal Descriptions ........................................................................................................23
3.7.3 Serial-Cable Wiring Diagrams .................................................................................................24
3.8 General Operation ...............................................................................................................................26
3.9 Is Anyone Out There? ..........................................................................................................................27
4. IEEE Operating Modes..................................................................................................................................28
4.1 Introduction..........................................................................................................................................28
4.2 Operating Mode Transitions................................................................................................................28
4.3 System Controller Mode ......................................................................................................................30
4.4 System Controller, Not Active Controller Mode.................................................................................31
4.5 Not System Controller Mode ...............................................................................................................33
4.6 Active Controller, Not System Controller Mode.................................................................................34
4.7 Controller Pass-Thru Mode..................................................................................................................34
4.8 Peripheral Pass-Thru Mode .................................................................................................................34
5. Command Descriptions .................................................................................................................................35
5.1 Introduction..........................................................................................................................................35
5.2 Command-Description Format............................................................................................................36
5.2.1
Syntax........................................................................................................................................36
5.2.2 Response...................................................................................................................................38
5.2.3 Mode .........................................................................................................................................38
5.2.4 Bus States ..................................................................................................................................39
5.3 Memory Use ..........................................................................................................................................40
5.4 The Commands ....................................................................................................................................40
Contents