
Parker Hannifin S.p.A. - S.B.C. Division HPD N User’s Manual
91
8. Appendix C: DC bus voltage thresholds
870
805
780
120
56
40
OVER VOLTAGE
Brake - high treshold
Brake - low treshold
in-rush control excluded
in-rush control included
UNDER VOLTAGE
0
1024
normal
operation
area
The modification of the above thresholds makes
potentially dangerous to wire together the DC BUSes of
HPD”N” drives with HPD drives.
9. Appendix D: Standard settings
Reference
Positive
Shaft moving
(motor shaft view):
Torque monitor
Positive
R/D Counter
UP
Encoder out
A
B
tacho signal
positive
Iu
( )
torque sin
•
ϑ
Iv
torque sin
•
+ •
⎛
⎝
⎜
⎞
⎠
⎟
ϑ
π
2
3
IN AUX positive
Pr22 positive
Pr38 positive
OUT AUX. Positive
Encoder In. A
Counter Up
B
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