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PARAMETERS
145
<Setting>
Refer to the following tables and set the parameter as required.
Stall Prevention
Operation Selection
'
: Activated
"
: Not activated
Stall Prevention
Operation Selection
'
: Activated
"
: Not activated
Pr. 156
Setting
Fast-
Response
Current
Limit
'
: Activated
"
: Not
activated
Ac
c
e
le
ra
ti
on
Constant
speed
De
c
e
le
ra
ti
on
OL Signal
Output
'
:
Operation
continued
"
:
Operation
not
continued
(Note 1)
Pr. 156
Setting
Fast-
Response
Current
Limit
'
: Activated
"
: Not
activated
Ac
c
e
le
ra
ti
on
Constant
speed
De
c
e
le
ra
ti
on
OL Signal
Output
'
:
Operation
continued
"
:
Operation
not
continued
(Note 1)
0
'
'
'
'
'
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
"
"
"
"
"
D
riv
ing
'
'
'
'
'
100
R
egenerativ
e
"
"
"
"
'
Note 1: When "Operation not continued for OL signal output" is selected, the "E.OLT"
alarm code (stopped by stall prevention) is displayed and operation stopped.
(Alarm stop display "E.OLT")
2: If the load is heavy, the lift is predetermined, or the acceleration/deceleration
time is short, the stall prevention may be activated and the motor not
stopped in the preset acceleration/deceleration time. Therefore, set optimum
values to the Pr. 156 and stall prevention operation level.
3: In vertical lift applications, make setting so that the fast-response current
limit is not activated. Torque may not be produced, causing a gravity drop.
CAUTION
Always perform test operation.
Stall prevention operation performed during acceleration may increase
the acceleration time.
Stall prevention operation performed during constant speed may cause
sudden speed changes.
Stall prevention operation performed during deceleration may increase
the deceleration time, increasing the deceleration distance.
Pr. 158
&
&
&
&
Refer to Pr. 52.
4