Technology Option F01 08.2012
6SE7087-6QX70 (Version AN) Siemens AG
9-40 Compendium Motion Control SIMOVERT MASTERDRIVES
The direction of rotation bit (right/left) can be used to invert the direction
of rotation of the motor.
Direction of Rotation Bit
P595 Meaning
0 Right (Clockwise looking towards the output)
1 Left (Counterclockwise looking towards the output)
With resolvers, encoders and pulse encoders, the leading sign and
counting direction of the position are inverted. With an absolute
encoder (Multiturn or Singleturn encoder), the maximum traversing
range is also added.
Example:
Qualitative progression of the absolute position with voltage
initialization at the zero point of the encoder and for clockwise rotation
looking towards the output.
Clockwise (
P595 = 0) → no difference between encoder
and absolute encoder
Counterclockwise (
P595 = 1) → different curves for encoder and
absolute encoder
Absolute position in KK120
Position
0
Actual position
with clockwise motion
Actual position with
counterclockwise motion
for resolver, encoder and
pulse encoder
counterclockwise motion
Actual position with
for absolute encoder
Fig. 9-15
Direction of rotation
bit P595
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