NORD Drivesystems BU0090 - Manual (Page 6)

NORDAC AS-Interface Manual
6 BU 0090 GB
5 DATA TRANSFER / PARAMETER-STRING TRANSFER ................................................... 42
5.1 Read ID string.................................................................................................... 43
5.2 Read diagnosis string ........................................................................................ 43
5.3 Read / Write parameter string ........................................................................... 44
5.3.1 Direct parameters ................................................................................................... 44
5.3.2 PKW Parameter-String ........................................................................................... 46
5.4 Process data (PZD) ........................................................................................... 47
5.4.1 Status word (ZSW) ................................................................................................. 47
5.4.2 The actual value 1 (IW1)......................................................................................... 48
5.4.3 Actual value 2 and actual value 3 (IW2/3) .............................................................. 49
5.4.4 The status machine ................................................................................................ 49
5.5 Data transfer with USS reference data / Parameter range (PKW).................... 51
5.5.1 Parameter label (PKE)............................................................................................ 51
5.5.2 Sub-index (IND) ...................................................................................................... 53
5.5.3 Parameter value (PWE).......................................................................................... 54
6 EXAMPLES ............................................................................................................................ 55
6.1 Example based on a Siemens Master CP343-2P............................................. 55
6.1.1 Slave design ........................................................................................................... 55
6.1.2 AS interface control Bits (control signals) ............................................................... 55
6.1.3 AS interface binary values (Digital inputs and outputs)........................................... 56
6.1.4 Data transfer of the sensor signal statuses to the AS-I master alone ..................... 57
6.2 Example of data transfer / Parameter-string transfer ........................................ 57
6.2.1 Read ID string......................................................................................................... 58
6.2.2 Read diagnosis string ............................................................................................. 58
6.2.3 Read / Write parameter string................................................................................. 58
6.3 Read peripheral error list ................................................................................... 62
6.4 AS interface as I/O expansion of the frequency inverter control terminals ....... 63
7 FAULTS.................................................................................................................................. 65
7.1 Troubleshooting................................................................................................. 65
7.1.1 Error display............................................................................................................ 65
7.1.2 Error memory.......................................................................................................... 65
7.2 Error messages ................................................................................................. 66
7.3 Causes of errors ................................................................................................ 67
8 TECHNICAL DATA................................................................................................................ 68
9 ADDITIONAL INFORMATION ............................................................................................... 70
9.1 Maintenance and servicing information............................................................. 70
9.2 Abbreviations in this manual.............................................................................. 70
10 KEYWORD INDEX............................................................................................................... 71