ABB ACH550-02-645A-4 [252/454] Parameter listing and descriptions

ABB ACH550-02-645A-4 [252/454] Parameter listing and descriptions
248 Parameter listing and descriptions
ACH550-02 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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