4-16 Torque Limit Motor Mode
Range:
Function:
Size
related
*
[ 0 -
1000.0
%]
Enter the maximum torque limit for motor
operation. The torque limit is active in the
speed range up to and including the rated
motor speed set in
. To protect the motor from
reaching the stalling torque, the default
setting is 1.1 x the rated motor torque
(calculated value). See also
parameter 14-25 Trip Delay at Torque Limit
for further details.
If a setting in
to
is changed,
is not automatically reset
to the default setting.
4-17 Torque Limit Generator Mode
Range:
Function:
100
%
*
[ 0 -
1000.0
%]
Enter the maximum torque limit for generator-
mode operation. The torque limit is active in
the speed range up to and including the rated
motor speed (
). Refer to
for further details.
If a setting in
to
parameter 1-28 Motor Rotation Check
is
changed,
parameter 4-17 Torque Limit Generator
is not automatically reset to the default
settings.
4-18 Current Limit
Range:
Function:
Size
related
*
[ 1.0 -
1000.0
%]
Enter the current limit for motor and
generator operation. To protect the motor
from reaching the stalling torque, the
default setting is 1.1 x the rated motor
current (set in
).
If a setting in
to
is changed,
to
are not automatically reset to the
default settings.
4-19 Max Output Frequency
Range:
Function:
Size
related
*
[ 1 -
590
Hz]
Enter the maximum output frequency value.
Parameter 4-19 Max Output Frequency
specifies
the absolute limit on the frequency converter
output frequency for improved safety in
applications where accidental over-speeding
must be avoided. This absolute limit applies to
all configurations and is independent of the
setting in
parameter 1-00 Configuration Mode
.
4-19 Max Output Frequency
Range:
Function:
This parameter cannot be adjusted while the
motor is running.
When
parameter 1-10 Motor Construction
is set
to
[1] PM non-salient SPM
, the maximum value
is limited to 300 Hz.
3.6.2 4-5* Adj. Warnings
Define adjustable warning limits for current, speed,
reference and feedback.
NOTICE
Not visible in the display, only in MCT 10 Set-up
Software.
4-50 Warning Current Low
Range:
Function:
0
A
*
[ 0 -
par.
4-51
A]
Warnings are shown on the display, programmed
output or serial bus.
130BA064.10
(P 4-18)
(P 4-51)
(P 4-50)
(P 4-11)
(P 4-53)
(P 4-52)
(P 4-13)
I
HIGH
I
LOW
n
LOW
n
HIGH
n
motor
I
motor
REF
ON REF
IN RANGE
I
LIM
n
MAX
n
MIN
[RPM]
Illustration 3.24 Low Current Limit
Enter the I
LOW
value. When the motor current drops
below this limit (I
LOW
), the display reads CURRENT
LOW. The signal outputs can be programmed to
produce a status signal on terminal 27 or 29 and on
relay output 01 or 02. Refer to
.
4-51 Warning Current High
Range:
Function:
Size
related
*
[ par.
4-50 - par.
16-37 A]
Enter the I
HIGH
value. When the motor
current exceeds this limit (I
HIGH
), the
display reads
Current high
. The signal
outputs can be programmed to produce
a status signal on terminal 27 or 29, and
on relay output 01 or 02. Refer to
4-52 Warning Speed Low
Range:
Function:
0 RPM
*
[ 0 - par. 4-53 RPM]
Parameter Descriptions
VLT
®
HVAC Drive FC 102
66
Danfoss A/S © 03/2015 All rights reserved.
MG11CE02
3
3
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