
Parker Hannifin S.p.A. - S.B.C. Division HPD N User’s Manual
46
Pr60:61
Reserved.
Pr62:63
Reserved.
Pr64:65
Reserved.
Pr66:67
Reserved.
Pr68:69
Reserved.
b70.0 Start
profile
. Set 1 to execute the programmed profile. Remember to set b40.2=1 to
effectively switch the speed reference to the control loop.
b70.1
Manual forward speed
. If at 1 with b70.0=0 and b40.2=1, the shaft will rotate at the
speed programmed in Pr50.
b70.2 Manual
reverse
speed
. If at 1 with b70.0=0 and b40.2=1, the shaft will rotate at the
speed programmed in Pr50 but in the opposite direction.
b70.3 Wiring
test
. When you set this command the drive performs a test procedure and
returns the result as an error code that can be viewed using parameters Pr56 and
Pr57. Before entering this command, make sure the motor is disconnected from all
loads, even pure inertia loads. Also ensure that b40.9=0.
b70.4
Reserved.
b70.5 Vibration
test.
If none of the above functions is active, you can set this bit to one to
evaluate the vibration of the motor shaft, incrementing parameter Pr64 in absolute
terms by a value proportional to the vibration detected. The user is responsible for
evaluating Pr64 and bringing it to zero in relation to the appropriate time interval.
b70.6
Reserved.
b70.7
Reserved.
b70.8
Reserved.
4.6.5.
Positioner
Operating mode 9 executes a simple trapezoidal profile. For this profile the user must
define acceleration with Pr51, steady time rpm with Pr52 and displacement using the pair of
long format parameters Pr64 and Pr65. At each profile execution command, b70.8, the motor
executes Pr64:65 steps (one motor revolution is equivalent to 4096 steps). The parameters of
a trapezoidal profile cannot be changed during execution (b70.7=1), except Pr64:65. In the
block diagram note the four different reset types, the availability of servo-error indication and
the possibility of using space control with or without feed forward. The incremental position
must be always positive and movement direction must be selected with parameter b70.1.
Displacement can be defined using the drive frequency input. Additional features are
available using the internal PLC.
Note that the profile execution command is not generated on a constant time base (profile
calculation may require more than 2 milliseconds).
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