Control functions
7.9 Absolute position system
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
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7.9.2
Transmitting sequence for the absolute position data
The following table shows you the transmitting sequence for the absolute position data:
Main step
Sub step/comment
①
Set PTI control mode.
Set p29003 = 0.
②
Enable absolute position mode.
Set p29250 = 1.
③
Configure relative parameters.
1.
Set PTI input parameters (p29010 to p29014).
2.
Set electrical gear p29012 and p29013.
④
Referencing with the BOP or SINAMICS V-ASSISTANT. 1.
Run the servo motor for a proper distance.
2.
Adjust the absolute encoder with the BOP menu function
"ABS" or SINAMICS V-ASSISTANT.
NOTE:
You must perform the referencing operation under the
following conditions:
•
System setup is performed.
•
The servo drive has been changed.
•
The servo motor has been changed.
•
An alarm occurs.
⑤
Select a communication protocol with p29007.
Set value for p29007.
•
0: no protocol
•
1: USS protocol
•
2: Modbus protocol
