
Parker Hannifin S.p.A. - S.B.C. Division HPD N User’s Manual
44
Pr60:61
Reserved.
Pr62:63
Reserved.
Pr66:67
Reserved.
4.6.3.
Low voltage procedure (rel. Sw.41 or more)
This procedure is for those situations in which the operator needs to work in close proximity to the
machine in a situation which could be potentially hazardous. In these conditions, the operator must
move the axes with a lower voltage than the nominal motor voltage (nominal voltage useable: from
90 to 480V~, low voltage: from 48 to 90V~), so that the top speed of the axes is also lowered.
•
Setting the drive:
1.
Store
b40.10
=1
2.
Autoreset under voltage excluded:
b99.8=0
Caution:
The low voltage movement mode is potentially hazardous to the drive when going from
low voltage to nominal operating voltage. This passage must always be done with the
drive disabled, and it is necessary to follow these instructions step by step.
o
Low voltage to nominal operating voltage sequence.
a.
Disable the drive. Wait 100ms.
b.
Change the voltage from low to nominal.
c.
Wait 1sec.
d.
Enable the drive. The drive will be enabled after about 120ms. The display will
say RUN, and the axis is ready to be checked
o
Nominal operating voltage to low voltage sequence.
a.
Disable the drive. Wait 100ms.
b.
Change the voltage from nominal to low.
c.
Wait 1sec.
d.
Enable the drive. The drive will be enabled after about 120ms. The display will say
RUN, and the axis is ready to be checked
If during these sequences the display shows the error message ERR2, send the reset command
b99.10
=1.
In the previous releases, this procedure only works if there is no backup, and you must wait for the
drive to shut off in the passage from low voltage to nominal voltage and vice versa.
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