Bosch PIN8 N1 Guide de dépannage Page 352

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7-46 Operating Modes MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Note: If the velocity threshold for positioning in modulo format was
parameterized with very low values that are within the noise
level of the actual velocity value, this can cause unpredictable
behavior.
See also Parameter Description "S-0-0417, Velocity threshold for
positioning in modulo format"
See also Parameter Description "S-0-0418, Target position
window in modulo format"
Activating Positioning Blocks
"Positioning block mode" must have been entered as the primary mode of
operation.
Note: This is done by the respective selection of the active operating
mode in the status word, by activating drive enable and by
setting "Drive Halt" = 1.
Depending on the master communication, a positioning block is started
by:
toggling bit 0 in parameter S-0-0346, Positioning control word
- or -
0-1 edge of bit 0 in parameter P-0-4060, Positioning block control
word with parallel interface or field bus interface in I/O mode
The positioning command value is thereby copied to the effective target
position S-0-0430 (absolute target position) or added (relative position
target, travel distance).
Note: The block acceptance is confirmed by updating P-0-4051,
Positioning block acknowledgment and S-0-0419,
Positioning command acknowledge. In addition, bit 0 of
parameter S-0-0346 is toggled internally, too, in the case of a
0-1 edge of bit 0 of parameter P-0-4060.
According to master communication and profile type, the block
acceptance requires different configurations in the cyclic command value
channel:
SERCOS interface
S-0-0346 has to be configured in the cyclic data channel (MDT)
Field bus interface
In the freely configurable mode (profile type P-0-4084 = 0xFFFE)
bit 0 of P-0-4077 is mapped to bit 0 of S-0-0346.
In the freely expandable I/O mode (profile type P-0-4084 = 0xFF82)
bit 3 of P-0-4068 is mapped to bit 0 of P-0-4060.
As an alternative, the start in the I/O mode can also take place by
setting the start signal (P-0-4068, bit 1).
Requirements
Command Value Acceptance
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