Contents 12.2010
Siemens AG 6SE7087-6QX70 (Version AM)
SIMOVERT MASTERDRIVES Compendium Motion Control 5
8 COMMUNICATION .......................................................................................... 8-1
8.1 Universal Serial lnterface (USS).................................................................... 8.1-1
8.1.1 Protocol specification and bus structure........................................................ 8.1-2
8.1.1.1 Protocol specification..................................................................................... 8.1-2
8.1.1.2 Bus structure.................................................................................................. 8.1-7
8.1.2 The structure of net data ............................................................................. 8.1-10
8.1.2.1 General structure of the net-data block ....................................................... 8.1-10
8.1.2.2 PKW area .................................................................................................... 8.1-11
8.1.2.3 Process-data area (PZD)............................................................................. 8.1-19
8.1.3 Interface overview........................................................................................ 8.1-20
8.1.4 Connecting-up ............................................................................................. 8.1-23
8.1.4.1 Bus cable connection .................................................................................. 8.1-23
8.1.4.2 Fitting the bus cable..................................................................................... 8.1-24
8.1.4.3 EMC measures............................................................................................ 8.1-25
8.1.4.4 Bus termination, USS protocol .................................................................... 8.1-28
8.1.5 Start-up ........................................................................................................ 8.1-31
8.1.5.1 Parameterization of the USS protocol (1st step) ......................................... 8.1-32
8.1.5.2 Parameterizing the parameterizing enable and process-data
interconnections (2nd step) ......................................................................... 8.1-36
8.2 PROFIBUS .................................................................................................... 8.2-1
8.2.1 Product description of the CBP communications board................................ 8.2-1
8.2.2 Description of the CBP's functions on the PROFIBUS-DP ........................... 8.2-3
8.2.2.1 Cyclical data transmission ............................................................................. 8.2-5
8.2.2.2 Acyclical data transfer ................................................................................. 8.2-10
8.2.2.3 Acyclical master class 1, automation (PLC)................................................ 8.2-12
8.2.2.4 Acyclical master class 2 - Configuration (DriveES)..................................... 8.2-16
8.2.2.5 Acyclical master class 2 - Operator control (SIMATIC OP)......................... 8.2-17
8.2.3 Mechanisms for processing parameters via the PROFIBUS ...................... 8.2-18
8.2.4 PROFIdrive V3: Acyclic parameter accessing with data block 47 .............. 8.2-26
8.2.4.1 Comparison between parameter tasks to PROFIdrive version 2 and 3...... 8.2-28
8.2.4.2 Example of "Request parameter value", simple .......................................... 8.2-29
8.2.4.3 Example of "Change parameter value", simple........................................... 8.2-30
8.2.4.4 Example of "Request parameter value", more than one array element...... 8.2-31
8.2.4.5 Example of "Change parameter value", more than one array element....... 8.2-32
8.2.4.6 Example of "Request parameter value", multi-parameter ........................... 8.2-33
8.2.4.7 Example of "Change parameter value", multi-parameter............................ 8.2-35
8.2.4.8 Request description, individual.................................................................... 8.2-37
8.2.4.9 Request description, total ............................................................................ 8.2-38
8.2.4.10 Request text, individual ............................................................................... 8.2-39
8.2.4.11 Coding in the parameter task according to PROFIdrive Version 3 ............. 8.2-40
8.2.5 Mounting methods / CBP slots .................................................................... 8.2-43
8.2.5.1 CBP mounting slots in MC Compact PLUS units........................................ 8.2-43
8.2.5.2 CBP slots in Compact units and chassis-type units with the CUs of
function classes Motion Control Performance 2 (CUPM), Motion Control
(CUMC) and Vector Control (CUVC)........................................................... 8.2-44
8.2.5.3 CBP slots in Compact and chassis-type units with the CUs of function
classes FC (CU1), VC (CU2) or SC (CU3).................................................. 8.2-46
8.2.6 Connecting up the CBP to the PROFIBUS ................................................. 8.2-47
8.2.6.1 Assignment of plug-in connector X448........................................................ 8.2-47
8.2.6.2 Connecting up the bus cable by means of the RS485 bus connecting
system ......................................................................................................... 8.2-47
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