Date: 12.06.2014
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Table of Content
1 About this document ........................................................................................................ 3
1.1 Function of this document ............................................................................................ 3
1.2 Target group ................................................................................................................ 3
2 General Information ......................................................................................................... 4
3 Hardware configuration ................................................................................................... 5
3.1 Supported PLC ............................................................................................................ 5
3.2 Supported fieldbus gateways / sensors ........................................................................ 5
3.3 Configuration in Step7 ................................................................................................. 5
4 Description of Function Block ......................................................................................... 7
4.1 Function block specification ......................................................................................... 7
4.2 Operation Mode ........................................................................................................... 8
4.3 Behavior in the case of an error ..................................................................................10
4.4 Timing .........................................................................................................................10
4.5 Value transfer .............................................................................................................11
4.5.1 Mode ....................................................................................................................12
4.5.2 Lock block ............................................................................................................13
4.5.3 Inventory ..............................................................................................................13
4.5.4 Read Tag .............................................................................................................14
4.5.5 Write Tag ..............................................................................................................14
4.5.6 Free Command ....................................................................................................15
4.5.7 Reading Result .....................................................................................................15
4.6 Receipt of read results > 200 Byte ..............................................................................16
5 Parameter .........................................................................................................................18
6 Error Codes .....................................................................................................................21
7 Examples .........................................................................................................................24
7.1 Reading out tag contents ............................................................................................25
7.2 Writing of tag contents ................................................................................................26
