SEW-Eurodrive MOVIDRIVE MDX61B System Manual page 282
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Also See for MOVIDRIVE MDX61B:
- System manual (514 pages) ,
- Operating instructions manual (380 pages) ,
- Manual (156 pages)
Table of Contents
Parameters
8
Explanation of the parameters
P71. Standstill current
P710/P711 Standstill current 1/2 1
282
System Manual – MOVIDRIVE
2
Setting range: 0 – 50% of the nominal motor current I
Imprints an adjustable current (in % of the nominal motor current I
during motor standstill and closed brake. The standstill current can be switched off by
"/controller inhibit = 0".
The standstill current fulfills the following functions:
•
Prevents the risk of condensation at the motor and freezing of the brake when the
ambient temperature is low.
Set the amount of current in such a way that the motor does not overheat.
SEW‑EURODRIVE recommends a current level at which the motor housing is
warm to the touch.
•
Enables rapid start of the motor without complying with the premagnetization time.
SEW‑EURODRIVE recommends setting the standstill current to 45 – 50% of the
nominal motor current I
The standstill current function is deactivated at a value of 0% of the nominal motor
current I
. The standstill current is monitored for current limit in any case (→ 2 251).
N
•
At least the magnetizing current is always imprinted in the operating mode "CFC,"
which is required according to the motor model.
•
No current is imprinted in the operating mode "Servo".
•
The nominal magnetizing current is always imprinted in the operating modes
"VFC & Hoist" and "VFC-n-control & Hoist" and activated standstill current.
•
In the other operating modes, a rapid start will take place only if the set standstill
current is greater than or equal to the rated magnetizing current.
If, in the standstill current phase, the set premagnetization time of the standstill current
is constant and greater than or equal to the rated magnetizing current of the motor in
time intervals of the set premagnetization time, the motor resistance is calibrated. If an
enable is issued again during the measurement interval, the resistance value is not
calculated. In this case, the existing resistance value continues to be used.
®
MDX60B/61B
in hoists.
N
N
) into the motor
N
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