Specifications

7 History

Programming Guideline for S7-1200/1500

V1.2, Entry ID: 81318674

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7 History

Table 7-1

Version Date Modifications

V1.0 09/2013 First version

V1.1 10/2013 Corrections in the following chapters:

2.6.3 Best possible data storage in the processor on S7-1500

2.12 Internal reference ID for controller and HMI tags

3.2.2 Functions (FC)

3.2.3 Function blocks (FB)

3.4.3 Local memory

V1.2 03/2014 New chapter:

2.6.4 Conversion between optimized and non-optimized tags

2.6.5 Communication with optimized data

2.9.2 MOVE instructions

2.9.3 RUNTIME

3.6.4 Access to I/O areas with PLC data types

Extension of following chapter:

2.2 Terms

2.3 Programming languages

2.6 Optimized blocks

2.8.2 Date_Time_Long data type

2.10 Symbolic and comments

3.2 Program blocks

3.5 Retentivity

4.3 Programming of "clock bits"

Several corrections in different chapter