NEMA IA 2.5:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Programmable Controllers (PLC), Part 5: Communications
Hardcopy , PDF
15-01-2024
English
14-09-2022
FOREWORD
Clause
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Models
5.1 PC network communication model
5.2 PC functional model
5.3 PC hardware model
5.4 Software model
6 PC communication services
6.1 PC subsystems and their status
6.2 Application specific functions
7 PC communication function blocks
7.1 Overview of the communication function blocks
7.2 Semantic of communication FB parameters
7.3 Device verification
7.4 Polled data acquisition
7.5 Programmed data acquisition
7.6 Parametric control
7.7 Interlocked control
7.8 Programmed alarm report
7.9 Connection management
7.10 Example for the use of communication function
blocks
8 Compliance and implementer specific features and
parameters
8.1 Compliance
8.2 Implementation specific features and parameters
Annex A (normative) Mapping to ISO/IEC 9506-5
Annex B (normative) PC behavior using ISO/IEC 9506-2
Figures
Tables
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