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01.99
4.8
Permanent–magnet synchronous motor with field–weakening (PE spindle)
Procedure
The pre–setting (default) of the adaptation characteristic can, e.g. be
when checking the
checked and set as follows:
adaptation
1. Current setpoint input (amplitude = 2 % + offset = 0 %)
characteristic
2. Current setpoint input (amplitude = 2 % + offset = 100 %)
3. Current setpoint input (2 % amplitude + 30, 20, 10, 5 % offset)
Note
The reference for the current setpoint (amplitude and offset) refer to
the power module transistor current (P1107, units: A(pk), peak value).
Example:
P1107 = 50 A(pk) ––> 50 A/√2 ≈ 36 A(rms) ––>
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SIMODRIVE 611 universal Description of Functions (FBU) – 04.05 Edition
Check the start of the adaptation characteristic for I
Step response?
OK:
P1120 is correct
Not OK:
Increase/decrease P1120
––> Target: Optimum transient response
Check the constant adaptation characteristic range at I
Step response?
OK:
P1182 is correct
Not OK:
Increase/decrease P1182
––> Objective: Optimum transient response
Check the transition point and the gradient of the adaptation charac-
teristic at I
= 30 %, 20 %, 10 %.
q
Step response?
OK:
P1181 is correct
Not OK:
Increase/decrease P1181
––> Objective: Well dampened transient response
4 Commissioning
= 0 %.
q
(refer to Fig. 4-11, left)
(refer to Fig. 4-11, left)
(refer to Fig. 4-11, right)
50 % 8 18 A
10 % 8 3.6 A, etc.
––>
= 100 %.
q
4-161
4
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