VLT
®
5000 Series
If a motor features a KLIXON thermal switch instead,
this can also be connected to the input. If motors
run in parallel, the thermistors/thermal switches can
be connected in series (total resistance < 3 kohm).
Parameter 128 must be programmed for Thermistor
warning [1] or Thermistor trip [2].
Relative reference is selected if a relative adjustment
of the reference sum is required.
This function is only active if Relative has been se-
lected (parameter 214). The relative reference on
terminal 54/60 is a percentage of the full range of
the terminal in question. This will be added to the
sum of the other references. If several relative refer-
ences have been selected (preset reference
215-218, 311 and 314), these will be added first, fol-
lowing which this sum will be added to the sum of
the active references.
NB!:
If Reference or Feedback signal has been
selected on more than one terminal, these
signals will be added with signs.
Max. torque frequency. This is only used in Torque
control, open loop (parameter 100) for limiting the
output frequency. Selected if the max. output fre-
quency is to be controlled by an analogue input
signal. The frequency range goes from Output
frequency low limit (parameter 201) to Output fre-
quency high limit (parameter 202).
309
309 Terminal 53, min. scaling
(AI 53 SCALE LOW)
Value:
0.0 - 10.0 Volt
✭ 0.0 Volt
Function:
This parameter is used for setting the signal value
that corresponds to the maximum reference value
set in parameter 204.
Description of choice:
Set the desired voltage value.
See also section Handling of single references .
310
310 Terminal 53, max. scaling
(AI 53 SCALE HIGH)
Value:
0.0 - 10.0 Volt
✭ 10.0 Volt
Function:
This parameter is used for setting the signal value
that corresponds to the maximum reference value
set in parameter 205.
Description of choice:
Set the desired voltage value.
See also section Handling of single references .
311
311 Terminal 54, analogue input voltage
(AI [V] 54 FUNCT.)
Value:
See description of parameter 308
Function:
This parameter chooses between the different func-
tions available for the input, terminal 54.
Scaling of the input signal is effected in parameters
312 and 313.
Description of choice:
See description of parameter 308.
312
312 Terminal 54, min. scaling
(AI 54 SCALE LOW)
Value:
0.0 - 10.0 Volt
✭ 0.0 Volt
Function:
This parameter is used for setting the signal value
that corresponds to the minimum reference value set
in parameter 204.
Description of choice:
Set the desired voltage value.
✭
= factory setting. () = display text [] = value for use in communication via serial communication port
MG.51.A1.02 - VLT is a registered Danfoss trade mark
133
Programming
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