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107
Additional function
2
CAUTION
•
The range of frequency changeable by RH (acceleration) and RM
(deceleration) is 0 to maximum frequency (Pr. 1 setting). Note that the
maximum value of set frequency is (main speed + maximum frequency).
•
When the acceleration or deceleration signal switches on, the set frequency
varies according to the slope set in Pr. 44 "second acceleration/deceleration
time" or Pr. 45 "second deceleration time". The output frequency acceleration
and deceleration times are as set in Pr. 7 "acceleration time" and Pr. 8
"deceleration time", respectively. Therefore, the longer preset times are used
to vary the actual output frequency.
•
If the start signal (STF or STR) is off, turning on the acceleration (RH) or
deceleration (RM) signal varies the preset frequency.
CAUTION
When selecting this function, re-set the maximum frequency according to
the machine.
♦
Related parameters
♦
•
RH, RM, RL signal terminal assignment
⇒
Pr. 60 to Pr. 63 (input terminal function selection)
(Refer to page 108.)
•
Maximum frequency setting
⇒
Pr. 1 "maximum frequency" (Refer to page 72.)
•
Output frequency acceleration/deceleration time
⇒
Pr. 7 "acceleration time",
Pr. 8 "deceleration time" (Refer to page 76.)
•
Time setting for acceleration/deceleration
⇒
Pr. 44 "second acceleration/deceleration time", Pr.
45 "second deceleration time"
(Refer to page 76.)
Deceleration(RM)
Acceleration(RH)
Forward rotation(STF)
0Hz
ON
Time
(Hz)
Main speed setting
Pr. 1
The set frequency is clamped at (main speed + Pr. 1)
Output frequency is
clamped at Pr. 1
Set frequency
Output frequency
ON
ON
Содержание FR-S500 Series
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