Datalogic GWY-01-PBS-01, Reference Manual

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3.1 What are RFID Command Macros? ........................................................................... 22
3.2 Why use macros? ....................................................................................................... 22
3.3 What can macros do?................................................................................................. 22
3.4 What is a macro trigger?............................................................................................. 22
3.5 How are macros created?........................................................................................... 23
3.6 Which communication interfaces support the use of macros? ................................... 23
3.7 What happens to existing Macros if a controller must be replaced? .......................... 23
3.8 How can I learn more about the Dashboard and C-Macro Builder? ........................... 23
4 COMMAND PROTOCOL ........................................................................................... 24
4.1 CBx Command Protocol Overview ............................................................................. 24
4.2 CBx - Command Packet Structure.............................................................................. 25
4.3 CBx - Response Packet Structure .............................................................................. 26
4.3.1 Instance Counter ........................................................................................................ 26
4.4 CBx Commands Table................................................................................................ 27
4.5 CBx Command Protocol Examples ............................................................................ 29
4.5.1 CBx - Controller Command Example.......................................................................... 29
4.5.2 CBx - Controller Response Example .......................................................................... 30
4.5.3 CBx - Gateway Command Example ........................................................................... 30
4.5.4 CBx - Gateway Response Example ........................................................................... 31
4.6 Node Status Byte Definition Table.............................................................................. 32
4.7 CBx Error Response Packet Structure ....................................................................... 33
4.8 CBx Error Code Table ................................................................................................ 34
4.9 CBx - Error Response Example.................................................................................. 35
4.10 Notification Messages................................................................................................. 36
4.10.1 Notification Message Table ........................................................................................ 37
4.10.2 Notification Mask Example ......................................................................................... 37
4.10.3 Notification Message Packet Structure....................................................................... 38
5 PROFIBUS INTERFACE............................................................................................ 39
5.1 Profibus Overview....................................................................................................... 39
5.2 Profibus-DP ................................................................................................................ 39
5.3 Data Exchange ........................................................................................................... 40
5.4 Protocol Implementation ............................................................................................. 41
5.4.1 Definitions ................................................................................................................... 41
5.4.2 Control Field ............................................................................................................... 42
5.4.3 SAP Field.................................................................................................................... 45
5.4.4 Length Field ................................................................................................................ 45
5.4.5 Application Data Buffer ............................................................................................... 46
5.5 Examples of Profibus Command/Response Mechanism............................................ 46
5.5.1 Example 1: Normal Command/Response Sequence ................................................. 48
5.5.2 Example 2: Unsolicited Responses (Continuous Read Mode) ................................... 58
5.5.3 Example 3: Fragmentation of Responses................................................................... 62
5.5.4 Example 4: Fragmentation of Commands .................................................................. 71
5.5.5 Example 5: Resynchronization ................................................................................... 82
6 TECHNICAL FEATURES........................................................................................... 87
A MODELS AND ACCESSORIES ................................................................................ 88
Datalogic Automation RFID Tags ............................................................................... 89
B EXAMPLE NETWORK LAYOUTS............................................................................. 90
Subnet16™ Gateway –ThickNet Network Layout ...................................................... 90
Subnet16™ Gateway –ThinNet Network Layout ........................................................ 91