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3-15 Reference 1 Source
Option:
Function:
[2]
Analog in 54
[11] Local bus
reference
3-16 Reference 2 Source
Option:
Function:
Select the input to be used for the second
reference signal.
,
and
define up to three different
reference signals. The sum of these
reference signals defines the actual
reference. See also
[0]
No function
[1]
Analog in 53
[2]
*
Analog in 54
[11] Local bus
reference
3-17 Reference 3 Source
Option:
Function:
Select the reference input to be used for
the third reference signal.
and
define up to three
different reference signals. The sum of
these reference signals defines the actual
reference.
This parameter cannot be adjusted while
the motor is running.
[0]
No function
[1]
Analog in 53
[2]
Analog in 54
[11]
*
Local bus
reference
3.4.3 3-4* Ramp 1
Configure the ramp parameter, ramping times, for each of
the two ramps (parameter group 3-4* and parameter group
3-5*).
t
acc
t
dec
130BB801.10
P 3-*2
Ramp (X)
Down
Time (Dec)
P 4-14
High-limit
RPM
Reference
P 1-23
Motor
frequency
P 4-12
Low limit
Time
P 3-*1
Ramp (X)Up
Time (Acc)
3-41 Ramp 1 Ramp up Time
Range:
Function:
Size
related
*
[0.05 -
3600.0 s]
Enter acceleration time from 0Hz to
Motor Frequency in par 1-23. Choose a
ramp-up time such that the output
current does not exceed the current
limit in par. 4-18 Current Limit during
ramping. See ramp down time in par.
3-42.
3-42 Ramp 1 Ramp Down Time
Range:
Function:
Size
related
*
[0.05 -
3600.0 s]
Enter the deceleration time from 0 Hz
the Motor Frequency in par 1-23 to 0
Hz. Choose a ramp-up time such that
the output current does not exceed the
current limit in par. 4-18 Current Limit
during ramping. See ramp-up time in
par. 3-41.
3.4.4 3-5* Ramp 2
Choosing ramp parameters, see parameter group 3-4*.
3-51 Ramp 2 Ramp up Time
Range:
Function:
Size related
*
[0.05 -
3600.0 s]
Enter acceleration time from 0 Hz to
. Choose a ramp-
up time such that the output current
does not exceed the current limit in
during ramping. See
ramp-down time in
.
Parameters
VLT HVAC Basic Drive Programming Guide
MG.18.B1.02 - VLT
®
is a registered Danfoss trademark
31
3
3
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