Operating Modes
Parameter manual
b maXX
BM3000
Document no.: 5.12001.07
Baumüller Nürnberg GmbH
578
4.8
The counting of the position set values (
) and the position actual values
) occurs furthermore in the „normal“ format.
The conversion of the actual position to the modulo format must occur controller exter-
nal.
In order to establish the relationship between the normal absolute position format and
the modulo format, either a homing is necessary after switching on the controller or an
absolute encoder must be used whose absolute information is greater than the modulo
position.
Example for target mode 11:
Modulo value = 00140000
hex
= 20 revolutions
Position set value = 00221111
hex
in normal absolute format
Conversion of actual set position to modulo format:
SetPositionModulo = SetPositionAbsolute mod ModuloValue
= 00221111
hex
mod 00140000
hex
= 000E1111
hex
First positioning:
Target position = 00063333
hex
in modulo format
New absolute target position calculates itself via the shorter way to modulo target
Way to "right" (greater position set values):
WayRight = ModuloValue - SetPposition TargetPositionModulo
= 00140000
hex
- 000E1111
hex
+ 00063333
hex
= 000C2222
hex
Way to "left" (less position set values):
WayLeft = SetPositionModulo - NewTargetPosition
= 000E1111
hex
- 00063333
hex
= 0007DDDE
hex
WayLeft < WayRight
Move left
New target position in normal absolute format:
TargetPositionAbsolute = SetPositionAbsolute - WayLeft
= 00221111
hex
- 0007DDDE
hex
= 001A3333
hex
Second positioning:
Target position = 00084444
hex
in modulo format
WayRight = 00084444
hex
- 00063333
hex
= 00021111
hex
WayLeft = 00140000
hex
- 00084444
hex
+ 00063333
hex
= 0011EEEF
hex
WayLeft > WayRight
Move right
New target position in normal absolute format:
TargetPositionAbsolute = SetPositionAb WayRight
= 001A3333
hex
+ 00021111
hex
= 001C4444
hex
Содержание b maXX BM2500
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