IEC 60625-2:1993

FOREWORD
INTRODUCTION
SECTION 1: GENERAL CONCEPTS
Clause
1 General
   1.1 Scope
   1.2 Objectives
   1.3 Notation
2 Normative references
3 System considerations
   3.1 Definitions
   3.2 System message traffic
   3.3 Functional layers
SECTION 2: DEVICE RELATED SPECIFICATIONS
4 Device compliance criteria
   4.1 IEC 625-1 requirements
   4.2 Message exchange requirements
   4.3 Syntax requirements
   4.4 Status reporting requirements
   4.5 Common commands
   4.6 Synchronization requirements
   4.7 System configuration capability
   4.8 Controller capability
   4.9 Device documentation requirements
5 Device interface function requirements
   5.1 Handshake requirements
   5.2 Address requirements
   5.3 Talker requirements
   5.4 Listener requirements
   5.5 Service Request requirements
   5.6 Remote/Local requirements
   5.7 Parallel Poll requirements
   5.8 Device Clear requirements
   5.9 Device Trigger requirements
   5.10 Controller function requirements
   5.11 Electrical requirements
   5.12 Power-on requirements
6 Message exchange control protocol
   6.1 Functional elements
   6.2 Protocol overview
   6.3 Message Exchange Control operation
   6.4 Protocol rules
   6.5 Protocol exceptions
7 Device listening formats
   7.1 Overview
   7.2 Notation
   7.3 Terminated program messages - Functional syntax
   7.4 Separator functional elements
   7.5
   7.6 Program Header functional elements
   7.7 functional elements
8 Device talking formats
   8.1 Overview
   8.2 Notation
   8.3 Terminated response messages - Functional syntax
   8.4 Separator functional elements
   8.5
   8.6
   8.7 functional elements
9 Message data coding
   9.1 ISO 7-bit codes
   9.2 Binary 8-bit integer codes
   9.3 Binary floating point code
10 Common commands and queries
   10.1 *AAD, Accept Address command
   10.2 *CAL?, Calibration query
   10.3 *CLS, Clear Status command
   10.4 *DDT, Define Device Trigger command
   10.5 *DDT?, Define Device Trigger query
   10.6 *DLF, Disable Listener Function command
   10.7 *DMC, Define Macro command
   10.8 *EMC, Enable Macro command
   10.9 *EMC?, Enable Macro query
   10.10 *ESE, Standard Event Status Enable command
   10.11 *ESE?, Standard Event Status Enable query
   10.12 *ESR?, Standard Event Status Register query
   10.13 *GMC?, Get Macro Contents query
   10.14 *IDN?, Identification query
   10.15 *IST?, Individual Status query
   10.16 *LMC?, Learn Macro query
   10.17 *LRN?, Learn Device Setup query
   10.18 *OPC, Operation Complete command
   10.19 *OPC?, Operation Complete query
   10.20 *OPT?, Option Identification query
   10.21 *PCB, Pass Control back
   10.22 *PMC, Purge Macros command
   10.23 *PRE, Parallel Poll Enable Register Enable command
   10.24 *PRE?, Parallel Poll Enable Register Enable query
   10.25 *PSC, Power-on Status Clear command
   10.26 *PSC?, Power-on Status Clear query
   10.27 *PUD, Protected User Data command
   10.28 *PUD?, Protected User Data query
   10.29 *RCL, Recall command
   10.30 *RDT, Resource Description Transfer command
   10.31 *RDT?, Resource Description Transfer query
   10.32 *RST, Reset command
   10.33 *SAV, Save command
   10.34 *SRE, Service Request Enable command
   10.35 *SRE?, Service Request Enable query
   10.36 *STB?, Read Status Byte query
   10.37 *TRG, Trigger command
   10.38 *TST?, Self-Test query
   10.39 *WAI, Wait-to-Continue command
11 Device status reporting
   11.1 Overview
   11.2 Status Byte Register
   11.3 Service Request enabling
   11.4 Status Data Structures
   11.5 Standard Status Data Structures
   11.6 Parallel Poll response handling
SECTION 3: SYSTEM RELATED SPECIFICATIONS
12 Device/controller synchronization techniques
   12.1 Overview
   12.2 Sequential and Overlapped Commands
   12.3 Pending-Operation flag
   12.4 No-Operation-Pending flag
   12.5 Controller/device synchronization commands
   12.6 Synchronization with external control signals
   12.7 Improper usage of *OPC and *OPC?
   12.8 Design considerations
13 Automatic system configuration
   13.1 Introduction
   13.2 Overview
   13.3 Generic approach to automatic system configuration
   13.4 Detailed requirements of the auto configure commands
   13.5 Additional automatic configuration techniques
   13.6 Examples
SECTION 4: CONTROLLER RELATED SPECIFICATIONS
14 Controller compliance criteria
   14.1 IEC 625-1 requirements
   14.2 Message Exchange requirements
   14.3 Protocols
   14.4 Functional element handling
   14.5 Controller specification requirements
15 IEC 625-2 controller requirements
   15.1 Controller interface function requirements
   15.2 Additional IEC 625-2 controller requirements
   15.3 IEC 625-2 controller recommendations
16 Controller message exchange protocols
   16.1 Definitions
   16.2 Control sequences
17 Common controller protocols
   17.1 Reset protocol
   17.2 Find device requesting service protocol
   17.3 Serial Poll All Devices protocol
   17.4 Pass control protocol
   17.5 Requesting control
   17.6 Find Listeners protocol
   17.7 Set Address protocol
   17.8 Test System protocol
Annexes
A Compound headers usage and examples
B Device/controller synchronization techniques
C Automatic system configuration example
Figures
Tables

Applies principally to small to medium-scale instrument systems comprising mainly measurement, stimulus and interconnect devices with a controller. Specifies a set of codes and formats, defines communication protocols and defines common commands and characteristics for instrument system applications.