Danfoss FCM 375 [43/106] Fcm series

Danfoss FCM 375 [43/106] Fcm series
Description of choice:
If the factory setting is not adequate, load compensa-
tion must be set to enable the motor to start at the given
load.
Should be set to 0% in case of quick load
changes. Too high load compensation
may lead to instability.
135 U/f ratio
(U/F RATIO)
Value:
0.00 - 20.00 V/Hz [0-2000]
Motor dependent
Function:
The output voltage to the motor can be adjusted on a
linear basis from 0 to rated frequency.
136 Slip compensation
(SLIP COMP.)
Value:
-500.0 - +500.0 % [-5000 - +5000]
100.0 % [1000]
Function:
The rated slip compensation (factory setting) is calcu-
lated on the basis of the motor parameters. In param-
eter 136 the slip compensation can be adjusted in
detail. Optimizing makes the motor speed less load
dependent. This function is not active at the same time
as variable torque (parameter 101).
Description of choice:
Enter a % value of rated slip compensation.
137 DC holding voltage
(DC HOLD VOLTAGE)
Value:
0 - 100 % [0-100]
0 (OFF) % [0]
Function:
This parameter is used to uphold the motor function
(holding torque) or to pre-heat the motor. DC holding
voltage is active at stopped motor when it is set at a
value which is different from 0. Coasting stop will de-
activate the function.
Description of choice:
Enter a percentage value.
138 Brake cut out frequency
(BRAKE RELEASE)
Value:
0.5 - 132 Hz (parameter 200) [5-]
3.0 Hz [30]
Function:
Here the frequency at which the external brake is to be
released is selected via output set in parameter 323 or
340 during running.
Description of choice:
Set desired frequency.
139 Brake cut in frequency at activated stop
(BRAKE CUT IN)
Value:
0.5 - 132 Hz (parameter 200) [5-]
3.0 Hz [30]
Function:
Here the frequency at which the external brake is to be
activated is selected via output set in parameter 323
or 340 when the motor is ramping down to stop.
Description of choice:
Set the desired frequency.
See below speed profile for brake function.
VLT
®
FCM Series
= factory setting, () = display text, [] = value for use in communication via serial communication port
MG.03.H6.02 - VLT
®
is a registered Danfoss trademark 43

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