248
Parameter listing and descriptions
ACH550-01 User's Manual
3010
STALL FUNCTION
0…2
This parameter defines the operation of the Stall function. This
protection is active if the drive operates in the stall region (see the
figure) for the time defined by 3012
STALL
TIME
. The “User limit” is
defined in scalar mode by 2003
MAX
CURRENT
in
Group 20: LIMITS
, and
in vector mode by 2017
MAX
TORQUE
1 and 2018
MAX
TORQUE
2, or the
limit on the
COMM
input.
0 =
NOT
SEL
– Stall protection is not used.
1 =
FAULT
– When the drive operates in the stall region for the time set
by 3012
STALL
TIME
:
• The drive coasts to stop.
• A fault indication is displayed.
2 =
ALARM
– When the drive operates in the stall region for the time set
by 3012
STALL
TIME
:
• An alarm indication is displayed.
• The alarm disappears when the drive is out of the stall region for half
the time set by parameter 3012
STALL
TIME
.
Code Description
Range
60 s
3.5
I
O
= Output current
I
N
= Nominal motor current
f
O
= Output frequency
f
BRK
= Break point frequency
A
= Trip time
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0.2
0.4
0.8
1.0
1.2
I
O
/
I
N
f
O
/
f
BRK
90 s
180 s
300 s
600 s
0.6
180 s
A
∞
Torque/
95%
limit
User
Stall region
Current
P 3011
Stall frequency
f
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