Bosch PIN8 N1 Anleitung zur Fehlerbehebung Seite 330

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Seitenansicht 329
7-24 Operating Modes MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Position Loop with Drive-Internal Interpolation
The position command value generated at the output of the command
value generator is displayed in parameter P-0-0434, Position command
value controller and can be output at the analog output.
In this operating mode, the same information as relevant in the "position
control with cyclic command value input" mode applies to the position
control loop.
See also figure "Overall structure of control loop" in chapter "Drive
Control"
See also "Position Loop" in section "Position Control with Cyclic
Command Value Input"
Notes on Commissioning
Effective Positioning Velocity
The drive reaches its maximum velocity after an acceleration phase with
the value set in parameter S-0-0260, Positioning Acceleration.
The maximum velocity during a positioning procedure is the result of:
%100
override Feedrate0108,0S
* VelocitygPositionin0259,0SV
max
=
Effective Acceleration and Deceleration
The maximum deceleration is defined in parameter S-0-0359,
Positioning Deceleration.
If the value in parameter S-0-0359, Positioning Deceleration equals
zero, the drive uses the parameter value of S-0-0260, Positioning
Acceleration for deceleration as well.
CAUTION
Property damage caused by incorrect
parameterization!
If the values for positioning deceleration and acceleration
are zero, the drive cannot brake. The preset target is
never reached or is overrun.
Always enter a value > 0 for positioning acceleration!
Smoothing Filter (or Jerk Filter)
In the "drive-internal interpolation" mode the position command value can
be filtered at the output of the positioning generator. The filter order of the
(moving) average filter available to do this (cf. P-0-0041 and P-0-0042) is
calculated on the basis of the preset positioning acceleration or the
positioning jerk.
This means that the parameterized acceleration or deceleration only
become effective after t = P-0-0042 * T
A,position
.
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