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MPH-02, MPB-02, MPD-02
Settings for the
Axis Zero Point
Settings for Homing Motion
"Stopping" at End of
Homing Procedure
"Positioning" at End of
Homing Procedure
"Run Path" for
Homing Procedure
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
An axis-side reference point possibly available is not used for establishing
the position data reference for distance-coded measuring systems. In
order to establish the position reference to the real axis zero point enter
the desired axis-related actual position value of the dedicated point
(encoder zero point) in parameter S-0-0177, Absolute offset 1 or
S-0-0178, Absolute offset 2. The axis-related actual position value of the
dedicated point has to be determined:
• Jog axis to desired axis zero point. Enter displayed actual position
value in the respective absolute offset parameter with inverted sign.
- or -
• Jog axis to actual position value = 0. Axis then is at dedicated point.
Determine axis-related position of dedicated point by measuring
distance between current position and determined axis zero point.
Enter measured distance as axis-related actual position value for
dedicated point in respective absolute offset parameter with the
correct sign.
After repeated execution of command C0600 Drive-controlled homing
procedure command (S-0-0148) the actual position values refer to the
axis zero point.
Set the parameter values reduced for initial commissioning to their
definite values:
• S-0-0041, Homing velocity
• S-0-0042, Homing acceleration
For the purpose of control carry out command C0600 again!
Note:
The direction of motion during the homing procedure of
distance-coded measuring systems can be against the
reference travel direction selected in parameter S-0-0147, if
the axis is in the "activated" range of the home switch!
If the setting "stop" (default setting) was made in S-0-0147, Homing
parameter, the drive stops the axis as soon the controller has detected
two neighboring reference marks. The motion range of the axis,
depending on the initial position, is the single to double reference mark
distance (S-0-0165).
If the axis, after the dedicated point was detected, is to position to the
reference point of the encoder selected in S-0-0147, this too has to be
determined in parameter S-0-0147. The position can be preset via
S-0-0052, Reference distance 1 or S-0-0054, Reference distance 2.
Note:
When homing distance-coded encoders, the value in
S-0-0052/S-0-0054 is insignificant for establishing the position
data reference! In this case, it can possibly be used for
presetting a homing target position.
Property damage possible at the installation, if
the reference point is outside the allowed travel
range and the position limit hasn't been
activated yet!
CAUTION
⇒ Make sure that reference point is within the travel
range and activate the position limit!
If the setting "run path for homing procedure" was made in S-0-0147,
Homing parameter, the motion range of the axis is always the double
reference mark distance (S-0-0165) plus the braking distance for shutting
8-25
Drive Functions
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