NORD Drivesystems BU0220 - Manual (Page 7)

Table of Contents
BU 0220 GB-0912 7
7 PROFIBUS DP DATA TRANSFER ........................................................................................ 58
7.1 Structure of reference data ................................................................................. 58
7.2 PROFIBUS DP PPO types ................................................................................. 59
7.2.1 Process data (PZD)................................................................................................. 60
7.2.2 The status machine ................................................................................................. 66
7.2.3 Parameter area (Parameter code value PKW) ........................................................ 68
7.3 Example telegrams ............................................................................................. 72
7.3.1 Switch- on disabled → Standby ............................................................................... 72
7.3.2 Enable with 50% setpoint ........................................................................................ 74
7.3.3 Writing a parameter................................................................................................. 75
8 ADDITIONAL INFORMATION ................................................................................................ 76
8.1 Bus Configuration ............................................................................................... 76
8.1.1 Laying the PROFIBUS DP cable ............................................................................. 76
8.1.2 Cable material ......................................................................................................... 76
8.1.3 Cable layout and shielding (EMC measures) .......................................................... 77
8.1.4 Recommendations of the PROFIBUS users´ association ....................................... 78
8.2 Cable glands and shielding connections ............................................................ 79
8.2.1 Fixed connection (cable gland) ............................................................................... 79
8.2.2 Connection with M12 round plug connectors .......................................................... 80
8.2.3 Round plug connectors ........................................................................................... 80
8.3 PROFIBUS DP technology and protocol ............................................................ 84
8.3.1 Overview /Protocol architecture .............................................................................. 84
8.3.2 Device types ........................................................................................................... 85
8.3.3 Performance levels ................................................................................................. 87
8.3.4 Terminology (selection) ........................................................................................... 88
8.4 System bus ......................................................................................................... 94
8.5 Repairs ............................................................................................................... 95
9 INDEX ...................................................................................................................................... 96
10 KEYWORD INDEX ................................................................................................................ 98