Table of Contents
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11. Real time class communication ..................................................................................... 71
11.1 Real-time classes in PROFINET IO .......................................................................... 71
11.2 Real-Time class 2 (RT2) - Not synchronized ............................................................ 71
11.3 Real-Time class 3 (IRT_TOP) (RT3) ......................................................................... 73
11.3.1 Setting an isochronous communication .............................................................. 74
11.4 OB61 ......................................................................................................................... 85
11.5 PIP (Process Image Partition) ................................................................................... 86
11.5.1 Consistency ........................................................................................................ 86
11.5.3 SFC127 "SYNC_PO" .......................................................................................... 87
11.6 Domain Management ............................................................................................ 88
11.7 Topology Editor ..................................................................................................... 92
11.8 Message monitoring .............................................................................................. 96
12. Encoder replacement using LLDP ................................................................................. 97
13. Read & write records in acyclic communication .......................................................... 98
13.1 Example: reading and writing a parameter (Preset Value) ........................................ 99
13.1.1 System Function Block 52 (SFB52) .................................................................... 99
13.1.2 System Function Block 53 (SFB53) .................................................................... 99
13.1.3 Data Block 1 (DB1) ........................................................................................... 100
13.1.4 Data Block 2 (DB2) ........................................................................................... 100
13.1.5 Data Block 3 (DB3) ........................................................................................... 101
13.1.6 Data Block 4 (DB4) ........................................................................................... 101
13.1.7 Organization Block 1 (OB1) .............................................................................. 102
13.1.8 Function 1 (FC1) ............................................................................................... 102
13.1.9 Function 2 (FC2) ............................................................................................... 103
13.1.10 Acyclic request of Preset ................................................................................ 104
13.2 Monitoring a variable ............................................................................................... 105
14. Encoder state machine .................................................................................................. 106
14.1 Normal operation diagram ....................................................................................... 107
14.2 Preset diagram ........................................................................................................ 108
14.3 Parking sensor diagram .......................................................................................... 109
14.4 Error diagram .......................................................................................................... 110
14.4.1 Acknowledgment of acknowledgeable sensor error ......................................... 110
14.4.2 Acknowledgment of not acknowledgeable sensor error .................................... 111
15. Integrated web server .................................................................................................... 112
15.1 Firmware upgrade ................................................................................................... 119
15.2 Setting the preset value........................................................................................... 125
16. Default parameters list .................................................................................................. 128
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