6. Function Description
6-31
Encoder S/W error detection is performed only once after operation starts and activates when target speed becomes
twice the rated slip. For example, when target speed is 500(rpm) and rated slip is 40(rpm), the detection active level
is 80(rpm).
E ncFaultTime
(PAR_14)
Run
command
(PAR_21)
×
2
(a) FUN_02= Keypad 1 or Keypad 2
(b) FUN_02= Analog or Up/Down Operation
Rated slip
Motor
speed
(rms)
Speed
reference (rms)
Speed reference
Motor speed
Target speed
if 80% of PAR_14 elapses, target speed and motor
speed begins accumulated and comparing their
polarity. after PAR_14 elapses, each cumulative
value is calculated by mean value.
Is motor speed rms value> target speed
rms x PAR_14?
and is the rotating direction the same?
Speed reference
Motor speed
Target speed
Time elpased begins counting from the point
target speed becomes twice the PAR_21.
Содержание LSLV-iV5 Series
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