User Manual Of EL7-EC** AC Servo
252
If the difference between velocity command and motor actual speed is below Pr4.35, Velocity
coincidence (V-COIN) output signal valid.
Due to 10RPM hysteresis:
Velocity coincidence output OFF -> ON timing (Pr4.35 -10) r/min
Velocity coincidence output ON -> OFF timing (Pr4.35 +10) r/min
Velocity
(RPM)
Velocity
command
Time
Pr4.35
Velocity
coincidence
range
Motor
speed
Pr4.35
Velocity
coincidence range
Pr4.35
Velocity coincidence
range
Velocity
coincidence
V-COIN
OFF
ON
ON
OFF
Position command after
acceleration time
settings added
Zero speed position output
If the absolute value of the velocity feedback satisfies set conditions, corresponding
output will be set to ON.
Pr4.34
Name
Zero speed
Mode
F
Range
1~2000 Unit
RPM
Default
50
Index
2434h
Activation
Immediate
To set threshold value for zero speed clamp detection.
Zero speed clamp detection (ZSP) output signal valid when motor speed goes under the value set
in Pr4.34
-
Disregard the direction of rotation,
valid for both directions.
-
Hysteresis of 10RPM. Please refer to
diagram on the right side.