Bosch PIN8 N1 Guide de dépannage Page 424

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Vue de la page 423
7-118 Operating Modes MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Note: With an infinite cam shaft the difference between initial value
and final value of the cam shaft profile is 100%.
Note: For constantly fault-free processing of the position data with
infinitely turning axes, the values resulting from gear reduction
(P-0-0755 0) must be used for forward motion. A finite cam
shaft profile can be superimposed. When using an infinite cam
shaft profile (difference between first and last profile value
> 50%), a small error can occur with each profile sequence.
Exception: Cam shaft distance corresponds to modulo value
(S-0-0103).
The position command value is generated as per the following relation:
IWZ%)
v
X/U
V)
-F)(1*
e
G
a
G
(*
L
)
d
+
V
-
e
G
a
G
*
L
*(h
L)-1)(F(n
X=
L)F(n)(
X ++±±+
ϕϕϕϕϕ
ϕϕ
X
F
: position command value of slave drive (P-0-0434)
+/-: Master drive polarity (P-0-0108)
ϕ
d
: dynamic angle offset (P-0-0085)
ϕ
L
: resulting master drive position (P-0-0775)
ϕ
V
: angle offset begin of profile (P-0-0061)
h: cam shaft distance (P-0-0093 or P-0-0073)
tab(ϕ): cam shaft profiles (P-0072, P-0-0092, P-0-0780, P-0-0781)
X
v
: position command value additional (S-0-0048)
G
a
: master drive gear output revolutions (P-0-0157)
G
e
: master drive gear input revolutions (P-0-0156)
F: fine adjust (P-0-0083)
U: gear reduction (P-0-0755)
IWZ: modulo actual value cycle
Fig. 7-92: Cyclically generating the position command value for the slave drive
Notes on Commissioning/Parameterization
General Parameterization
During general parameterization it is necessary to make machine-specific
presettings:
Scaling of parameter data (linear or rotary):
S-0-0076, S-0-0077, S-0-0078 and S-0-0079 for position data
S-0-0044, S-0-0045 and S-0-0046 for velocity data
S-0-0160, S-0-0161 and S-0-0162 for acceleration data
See "Mechanical Axis System and Measuring Systems: Scaling of
Physical Data" in chapter "Motor, Mechanical Axis System, Measuring
Systems"
Calculating the Internal Position
Command Value
(in Cyclic Operation)
Scaling of Data
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