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*1) Command velocity is the differences of command position for the command update cycle. (It is internal
operation value of the servo driver.)
*2) Set up the 2nd Velocity as slow as possible.
Noise filtering process in the servo driver is executed when capturing sensor signals. This process causes the
detection delay. To minimize this delay, correction process is installed which will degrade the home position
detection precision if 2nd speed is set too high.
If you need higher accuracy, use the method of using the Z-phase of feedback scale, and refer to "Example of
cyclic homing operation 1" on the previous page.
When the trigger position is detected at a higher speed, especially with excessively low electronic gear ratio, e.g.
1/1000, wraparound of the detection position will occur upon reverse conversion to command unit, causing
incorrect detection of the latch position. Latch trigger signal should be detected at the lowest possible speed.
R2.0
Motor Business Division, Appliances Company, Panasonic Corporation
No. SX-DSV02310 - 117 -
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