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MSD Servo Drive User Manual SERCOS II
5
Table of contents
1 Safety ...................................................................................... 7
1.1  Measures for your safety .........................................................................................7
1.2  Read the Operation Manual first! ............................................................................7
1.3  Introduction to the SERCOS interface ......................................................................7
1.4  Key features ............................................................................................................8
1.5 Terms  ...................................................................................................................9
2  Commissioning of the SERCOS interface ..................................11
2.1  Connections and controls – hardware variant 1 ......................................................11
2.2  Connections and controls – hardware variant 2 ......................................................11
2.3  Connection of fibre-optic cables .............................................................................12
2.4  Hardware settings ...................................................................................................12
2.4.1  Setting the transmission power of the SERCOS interface .............................12
2.4.2  Setting the drive address via parameter .......................................................12
2.4.3  Transfer rate of SERCOS interface ................................................................12
2.5  Diagnostic LEDs ......................................................................................................13
2.5.1  Use of the distortion LED .............................................................................13
2.5.2  Checking fibre-optic cables .........................................................................13
3  SERCOS communication phases ............................................. 15
3.1  Communication phase 0 .........................................................................................15
3.2  Communication phase 1 .........................................................................................15
3.3  Communication phase 2 .........................................................................................15
3.4  Communication phase 3 .........................................................................................16
3.5  Communication phase 4 .........................................................................................16
4  Parameter interface ................................................................ 17
4.1  Profile parameters (S-0-xxxx) ..................................................................................17
4.1.1  Manufacturer specific parameters (P-0-xxxx) ...............................................17
4.2  Cyclic data transfer ..................................................................................................17
4.3  Master control word ...............................................................................................18
4.3.1  Description of bits 13-15 ..............................................................................19
4.4  Drive status word ....................................................................................................20
4.5  Drive state machine ................................................................................................22
4.6  Real-time control bits and real-time status bits ........................................................23
4.7  Signal control and status words ..............................................................................24
4.7.1  Signal control word (S-0-0145) .....................................................................24
5  Fault, warning and status messages ....................................... 27
5.1  Fault messages ........................................................................................................27
5.2  Warning messages ..................................................................................................28
5.3  Status messages ......................................................................................................28
5.4  Interface faults and diagnostic options .................................................................... 29
5.4.1  Diagnosis of interface status ........................................................................29
5.4.2  Fault counter for telegram failures ...............................................................29
6  Operation modes  .................................................................. 31
6.1  Torque control ........................................................................................................33
6.2  Flux Control ............................................................................................................34
6.3  Position control with drive-controlled position profile generation ...........................35
6.4  Position control without tracking error ....................................................................37
6.4.1  In-drive generation of pre-control signals ....................................................37
6.5  External generation of pre-control signals ...............................................................38