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MPH-02, MPB-02, MPD-02
Drive-Internal Resolution of
Measuring Encoder Position
Encoder Dimensioning
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Depending on P-0-0327, Encoder resolution of measuring encoder
and the gear ratio of the measuring encoder (P-0-0127, P-0-0128), a
multiple of position data results from one division period of the measuring
encoder due to digitalization. By adjusted multiplication the available
range of measuring encoder position data of (2
The resulting drive-internal encoder resolution is as follows:
drive-internal measuring encoder resolution = P-0-0327 * P-0-0326
Data
auxiliary calculation and drive-internal limitation:
30
P-0-0326 = 2
n ≤ 15 (integral)
P-0-0127:
input revolutions of measuring gear
P-0-0128:
output revolutions of measuring gear
P-0-0326:
multiplication of measuring encoder
P-0-0327:
encoder resolution of measuring encoder
P-0-0765:
modulo factor measuring encoder
n:
number of revolutions at axis or shaft
Fig. 9-7:
Drive-internal measuring encoder resolution
Note:
The multiplication of the measuring encoder (P-0-0326) is
determined automatically and drive-internally!
The multiplication value (P-0-0326) calculated according to the formulas
"drive-internal measuring encoder resolution" characterizes the encoder
dimensioning.
value of S-0-0327 can be
- reduced (cycles rotary encoder)
- increased (DP linear encoder)!
value < 2
P-0-0326:
multiplication of measuring encoder
P-0-0327:
encoder resolution of measuring encoder
Fig. 9-8:
Checking the selected resolution and determining the ideal
resolution for the measuring encoder
Extended Drive Functions
* P-0-0128/(P-0-0127*P-0-0327* P-0765) ≤ 2
check selected
no. of cycles (rotary encoder) or
division period (linear encoder)
calculating
P-0-0326
value of S-0-0327 can be
- increased (cycles rotary encoder)
- reduced (DP linear encoder)!
15
value of
S-0-0326
value = 2
ideal encoder resolution over
the selected travel range!
9-11
30
-1) values is observed.
n
,
15
value > 2
15
DC000015v02_en.fh7
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