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Adjustment of the output torque (current) of the motor
(7) Limit the stall prevention operation and fast-response current limit operation according to the
operating status
(Pr. 156)
Refer to the following table and select whether stall prevention operation and fast-response current limit operation will be
performed or not and the operation to be performed at OL signal output.
∗1
When "Operation not continued for OL signal output" is selected, the
fault (stopped by stall prevention) is displayed and operation stopped.
∗2
Since stall prevention is not activated, OL signal and E.OLT are not output.
∗3
The settings "100" and "101" allow operations to be performed in the driving and regeneration modes, respectively. The setting "101" disables the fast-
response current limit in the driving mode.
∗4
OL signal is not output at fast-response current limit operation.
Pr. 156
Setting
Fast-Response
Current Limit
: Activated
: Not activated
Stall Prevention
Operation Selection
: Activated
: Not activated
OL Signal
Output
:Operation
continued
: Operation
not continued
Pr. 156
Setting
Fast-Response
Current Limit
: Activated
: Not activated
Stall Prevention
Operation Selection
: Activated
: Not activated
OL Signal
Output
:Operation
continued
: Operation
not continued
Ac
ce
le
ra
tio
n
Co
ns
ta
nt
sp
ee
d
De
ce
le
ra
tio
n
Ac
ce
le
ra
tio
n
Co
ns
ta
nt
sp
ee
d
De
ce
le
ra
tio
n
0 (initial
value)
16
1
17
2
18
3
19
4
20
5
21
6
22
7
23
8
24
9
25
10
26
11
27
12
28
13
29
14
—
30
—
15
—
31
—
100
P
o
w
e
r d
riv
in
g
101
∗3
P
o
w
e
r d
riv
in
g
Regenera
tion
—
Regenera
tion
—
NOTE
When the load is heavy or the acceleration/deceleration time is short, stall prevention is activated and acceleration/
deceleration may not be made according to the preset acceleration/deceleration time. Set
Pr. 156
and stall prevention
operation level to the optimum values.
In vertical lift applications, make setting so that the fast-response current limit is not activated. Torque may not be
produced, causing a load drop due to gravity.
CAUTION
Do not set a small value as the stall prevention operation current.
Otherwise, torque generated will reduce.
Test operation must be performed.
Stall prevention operation during acceleration may increase the acceleration time.
Stall prevention operation performed during constant speed may cause sudden speed changes.
Stall prevention operation during deceleration may increase the deceleration time, increasing the deceleration
distance.
Parameters referred to
Pr. 3 Base frequency
Pr. 178 to Pr. 184 (input terminal function selection)
Pr. 190 to Pr. 192 (output terminal function selection)
Содержание FR-E710W-0.1K
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Страница 335: ...335 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...
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