FCM 300 Series
MG.03.B6.2G - VLT is a registered Danfoss trademark
Parameter Group 2: References and Limits
204 Minimum reference
(MIN. REFERENCE)
Settings:
-100,000.000 - Ref
MAX
(par. 205) [
-100000000 - ]
H 60.000 [60]
✭ 0.000 [0]
Function:
The Minimum reference gives the minimum setting
that can be assumed by the sum of all references.
Minimum reference is only active if Min - Max [0] has
been set in parameter 203; however, it is always
active in Process, closed loop mode (parameter
100).
Description of choice:
Is only active when parameter 203 has been set to
Min - Max [0].
Set the desired value.
205 Maximum reference
(MAX. REFERENCE)
Settings:
Ref
MIN
(parameter 204)-100,000,000 [-100000000]
H,I 60.000 Hz [60000]
✭ 50.000 H
Z [50000]
Function:
The Maximum reference gives the highest value that
can be assumed by the sum of all references.
If parameter 100 has been selected to open loop
the max. setting is 132 Hz.
If closed loop has been selected the maximum
reference cannot be set higher than the maximum
feedback (parameter 415).
Description of choice:
Set the desired value.
✭ = General factory setting - also applying to spare part unit,
HH
HH
H = HVAC setting,
II
II
I = Industrial setting, ( ) = parameter
window text. [ ] = value for use in communication via serial communication port
207 Ramp-up time (RAMP UP TIME )
Settings:
0.15 - 3600.00 sec. [5 -360000]
H 60.00 sec. [6000]
✭ 3.00 sec. [300]
Function:
The ramp-up time is the acceleration time from 0 Hz
to the rated motor frequency f
M,N
(parameter 104).
This assumes that the current limit is not reached
(to be set in parameter 221).
Description of choice:
Program the desired ramp-up time.
208 Ramp-down time (RAMP DOWN TIME )
Settings:
0.15 - 3600.00 sec. [5 - 360000]
H 60.00 sec. [6000]
✭ 3.00 sec. [300]
Function:
The ramp-down time is the deceleration time from
the rated motor frequency f
M,N
(parameter 104) to 0
Hz provided there is no over-voltage in the inverter
because of regenerative operation of the motor, and
the current limit is not reached (to be set in
parameter 221).
Description of choice:
Program the desired ramp-down time.
10-3
Description of choice:
Choose the desired range.
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