Document Outline

• Contents
  • 1 General 5
    • 1.1 Scope of delivery 6
  • 2 Hints on operation 7
    • 2.1 Interface connection 7
      • 2.1.1 Installation of cables 7
    • 2.2 Forcing 7
  • 3 Process data 8
    • 3.1 Defined as status byte are: 12
    • 3.2 Status and diagnosis messages 15
    • 3.3 Disabling mechanism with changes 15
    • 3.4 Process data transmission 15
    • 3.5 Parameter transmission 16
      • 3.5.1 Message elements 16
      • 3.5.2 General communication structure 17
      • 3.5.3 Data write sequence 17
      • 3.5.4 Data read procedure 18
    • 3.6 Examples 18
      • 3.6.1 Function block protocol principles 18
      • 3.6.2 Individual access 18
      • 3.6.3 Block access (tens block) 19
      • 3.6.4 Block acces (overall block) 19
    • 3.7 Data types 21
  • 4 Quick entrance 22
    • 4.1 Quick entrance with S5 22
      • 4.1.1 Example of a test environment: 22
    • 4.2 Quick entrance with S7 24
      • 4.2.1 Example of a test environment: 24
  • 5 Function block protocol 26
    • 5.1 Data structuring 26
    • 5.2 CODE tables 27
      • 5.2.1 Structure of configuration words (C.xxxx) 27
      • 5.2.2 INSTRUMENT (FB no.: 0 type no.: 0) 27
      • 5.2.3 Special accesses (FB no.: 10 ... 17 type no.: 10) 33
      • 5.2.4 Freely configurable (FB no.: 20 ... 27 type no.: 20) 34
      • 5.2.5 INPUT (FB no.: 60 ... 67 Type no.: 112) 36
      • 5.2.6 CONTR (FB no.: 50 ... 57 Type no.: 91) 37
      • 5.2.7 ALARM (FB no.: 70 ... 77 Type no.: 46) 41
  • 6 Function modules 43
    • 6.1 Function module for SIMATIC® S5 43
      • 6.1.1 Structure 43
      • 6.1.2 Function module call 45
    • 6.2 Function module for SIMATIC® S7 46
      • 6.2.1 Structure 46
  • 7 Annex 49
    • 7.1 Terms 49
    • 7.2 GSD file 49