Adjust equivalent circuit data dr17, dr18, dr19, dr21
There are 2 possibilities:
The equivalent circuit data are taken from one data sheet. Additionally the main in-
ductance should be determined by identification, because the data sheet value is
usually suitable only for a specific magnetizing current (dr54 = 8).
The equivalent circuit data are automatically determined completely through identi-
fication by the drive (dr54 = 1).
Values within the correct order of magnitude must be preset for the equivalent cir-
cuit data in order that the inverter reaches the status dr02 = 2 „motordata stored“.
Otherwise the drive remains in dr02 = 3 "error norm motordata“ and the identifica-
tion cannot be carried out.
To use the identification, an operating mode with motor model must be selected in
cs00 control mode (cs00 bit 0...3 = 2 or 3) and the inverter may not be in error
state, otherwise the input is rejected by dr54.
The determination of the resistance and inductance occurs in standstill (slight rota-
tion of the motor is possible by test signals). For the determination of the main in-
ductance, the drive must be in standstill or must be able to rotate only with small
load. The speed is determined by dr44 in % rated speed. The default value is opti-
mal for identification, but the value must be changed if the application requires an-
other speed. Forward direction of rotation.
The motor data and the parameterization of the identification are stored with dr99 =
0. Value 2 "motordata stored" must be displayed in dr02.
Parameterize encoder
If a mode with encoder has been selected, the encoder parameters must be set in
the ec group (encoder type, smoothing, etc.)
For more information on encoder parameter setting, see chapter 6.1 Interface to
the encoder.
At the end of a successful parameter setting, the value of ec00 status encoder in-
terface = 9 "position value“ must be ok.
Identify
The drive must be ready for operation in order to identify:
• The DC link must be loaded.
• ru01 exception state must be equal to 0 "no exception“ (if an error mes-
sage is present, the cause must be removed and a reset must be executed
with co00 = 128).
• The corresponding inputs must be set if the drive has safety functionality.
• The ramps (co48…co60) must be parameterized by way that no excessive
acceleration forces occur.
• The speed controller has been adjusted already automatically if the inertia
in dr32 nd cs17 has been correctly parameterized. Otherwise, the inertia
must be preset in terms of magnitude and the automatic adjustment must
be carried out by writing on cs99. Alternatively cs99 can be set to 19 "off“
and the speed controller can be adapted manually.
• The torque and current limits are set to 100% (default).
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