Rockwell Automation Publication 2198-UM004A-EN-P - October 2019
361
Motion Control Applications
Chapter 12
Rotary Shear - Adjustable Sync Zone
This method can create the E-Cam curve with adjustable sync zone. You can use
the KNX5100 software to create this E-Cam curve. The parameters setting is
similar to the rotary shear without sync zone. The software automatically limits
the cutting length by the ratio of cutting length and arc length between cutters
(R=L/a), here, 1.88 > R × Vc. This method is different than the rotary shear
curve without sync zone because you can plan the acceleration zone, sync zone,
and S-curve zone according to your application requirements. The size of the
deceleration zone is the same as the acceleration zone. And the remaining zone is
planned as the waiting zone by the KNX5100 software.
You can also use the macro #7 of the drive to build the same E-Cam curve as the
KNX5100C software. The advantage of using a macro to build a cam curve is
that when the cutting length needs to be changed, you just change the parameters
to generate a new curve. This method is convenient for users who change the
cutting length frequently.
1.
Set the E-Cam storage start address by parameter ID369 (P5.081).
Parameter ID373 (P5.085) sets the E-Cam engaged area. When using
macro #7, parameter ID370 (P5.082) (the number of E-Cam area) can be
set between 30…72. We recommend 72 to get the highest resolution of
5 degrees.
2.
Set the system gear ratio in parameters ID151 (P1.044) and
ID152 (P1.045).
3.
Set the E-Cam gear ratio and the E-Cam scale.
a. Set ID371 (P5.083) slave cycle number to 1.
b. Set the master pulse numbers: ID372 (P5.084) =
.
c. Set the E-Cam scale (ID311 (P5.019)).
4.
Set the E-Cam curve parameters: area size of the waiting zone, acceleration
zone, sync zone, and S-curve zone.
N
π
d2
×
---------------
L
×
Содержание Kinetix 5100 2198-E1004-ERS
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