Lenze AC Tech MotionView OnBoard PositionServo PROFIBUS-DP Reference Manual page 4

6. Acyclic Parameter Access .............................................................................................................................17
6.1 What is Acyclic Data? ....................................................................................................................17
6.2 Setting the Acyclic Mode...............................................................................................................17
6.2.1 Acyclic Modes ................................................................................................................17
6.2.2 Acyclic Mode 1 ...............................................................................................................18
6.2.3 Acyclic Mode 2 ...............................................................................................................18
6.3 Modes 1 & 2 - 8BAD Format .........................................................................................................18
6.3.1 8BAD - Function Code (Byte 0) ........................................................................................19
6.3.2 8BAD - Access Control and Status (Byte 1) .....................................................................19
6.3.3 8BAD - PID Index (Bytes 2 and 3) ...................................................................................20
6.3.4 8BAD - Data (Bytes 4 to 7) .............................................................................................20
6.4 Acyclic Parameter Access Examples ..............................................................................................20
6.4.1 Example 1: Read Velocity Accel Limit ..............................................................................20
6.4.2 Example 2: Write to Velocity Accel Limit ..........................................................................21
7 Drive Control and Status ...............................................................................................................................22
7.1 Overview .......................................................................................................................................22
7.2 Control BITs ...................................................................................................................................22
7.2.1 Software Enable/Disable .................................................................................................22
7.2.2 Drive Reset (Cold Boot) ...................................................................................................22
7.2.3 Suspend Motion ..............................................................................................................22
7.2.4 Stop Motion ...................................................................................................................23
7.3 Status Word ...................................................................................................................................23
7.3.1 Status Flags Register ......................................................................................................23
7.3.2 Extened Status Bits ........................................................................................................24
8 Advanced Features .......................................................................................................................................25
8.1 Module Firmware ...........................................................................................................................25
8.2 Node Address Lock ........................................................................................................................25
8.3 PROFIBUS Status ...........................................................................................................................25
8.4 PROFIBUS DP Timeout Action .........................................................................................................26
8.4.1 Module Timeout Action ...................................................................................................26
8.4.2 Master Monitor Timeout Action .......................................................................................27
8.4.3 Data Exchange Timeout Action .......................................................................................27
8.5 Sync and Freeze ............................................................................................................................28
8.5.1 Sync and Freeze Overview ..............................................................................................28
8.5.2 Sync and Freeze Status ..................................................................................................28
9 Diagnostics ...................................................................................................................................................29
9.1 Faults ............................................................................................................................................29
9.2 Troubleshooting .............................................................................................................................29
10 Parameter Quick Reference ..........................................................................................................................30
P94PFB01A
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