7.4 Posion trimming and posion oset
The
posion oset is transferred to the drive axis via a prole generator. The oset is specied
via the following parameters:
•
In
ternal posion oset 40x5041:053
•
Con
trol word 4 of the eldbus data interface. 40x5040:023
Bit 23 of the Control signals parameter is used for switch-over between the sources.
0x5040:010 Bit 23
0x5040:010 0x5040:110
Technology application
Bit 2: Operation enabled
Bit 21: Synchronism
and correction busy
Bit 3: Enable operation
Bit 21: Trimming negative
Bit 20: Trimming positive
Status wordControl word
Fig. 46: Trimming
t
V
v
max.
Position offset trim
0x5042:027
Velocity offset trim
0x5042:028
Trim position
0x5041:024
0x5041:025
0x5041:026
0x5041:027
0x5041:028
Trimming position difference
Trimming velocity
Trimming acceleration
Trimming deceleration
Trimming jerk
Trimming
Fig. 47: Trim paral signal ow
Posion trimming is only possible when the clutch is engaged.
•
Control word bit 20 = TRUE acvates a
posive direcon of rotaon. 0x5040:010
•
Control word bit 21 = TRUE acvates a negave direcon of rotaon. 0x5040:010
The following parameters set the acceleraon, maximum velocity and deceleraon for posi-
oning:
Trimming - posion dierence 40x5041:024
Trimming - velocity 40x5041:025
Trimming - acceleraon 40x5041:026
Trimming - deceleraon 40x5041:027
Trimming - velocity
oset 40x5042:028
The Trimming posion oset parameter idenes the trimming as a proporon of the total
oset. 40x5042:027
Conguring the "Sync and Correcon" TA
Posion trimming and posion
oset
116