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Position Detection and Positioning
Encoder evaluation
6
Position Detection and Positioning
6.1
Encoder evaluation
kVA
i
f
n
6
Hz
P Hz
MOVIDRIVE® offers various options for positioning:
•
external encoders
•
Motor encoder (incremental encoder/resolver)
•
Hiperface® encoder (absolute encoder)
•
SSI absolute encoder
The values are provided in system variables for processing.
The connections for the motor encoder (X15) and external encoder (X14) are in the control electronics MxV..., MxS... und MCH... . The control electronics MxF does not have
these connections. The connection for the SSI absolute encoder is on the DIP11 option
card (X62).
All connected encoders are always evaluated regardless of the operating mode (P700).
Operating modes with positioning (VFC-n-CTRL & IPOS, CFC & IPOS, SERVO & IPOS)
always require a motor encoder at X15.
Encoder type
Absolute encoder on DIP11
P941: Absolute encoder (DIP)
Hiperface® encoder / incremental encoder simulation /
incremental encoder
P941: External encoder (X14)
Incremental encoder /
Resolver / Hiperface® encoder
P941: Motor encoder (X15)
Connection
X62/DIP11
X14/basic unit
X15/basic unit
Actual value on variable
H509 / ACTPOS. ABS /
ActPos_Abs
H510 / ACTPOS. EXT /
ActPos_Ext
H511 / ACTPOS. MOT /
ActPos_Mot
Resolution
Absolute position after conversion with:
Encoder scaling (P955),
Zero offset (P954),
Position offset (P953),
Counting direction (P951).
Actual encoder resolution (with
4-fold evaluation) after conversion with:
Encoder scaling ext. encoder
(P944)
Always 4096 inc./motor revolution, regardless of the actual
encoder resolution
Edge at DI02
H503 / TP. POS1ABS /
TpPos1_Abs
H506 / TP. POS1EXT /
TpPos1_Ext
H507 / TP. POS1MOT /
TpPos1_Mot
Edge at DI03
H502 / TP. POS2ABS /
TpPos2_Abs
H504 / TP. POS2EXT /
TpPos2_Ext
H505 / TP. POS2MOT /
TpPos2_Mot
Max. delay time
1 ms
< 100 µs
< 100 µs
Touch
probe
Manual – IPOSplus®
53