Beijer Electronics AN-BEI-P2-050 - Manual (Page 2)

APPLICATION NOTE AN-BEI-P2-050 Date: 15/02/12
AN-BEI-P2-050 Open Loop Permanent Magnet Motor Control 2
Firmware Overview – Additional Parameters and Settings:
Additional Parameter information to that provided in the standard Beijer Frequency Inverter P2 manual is as
follows:-
Par. Description Range Units Default Explanation
P1-14 Extended menu
access Code 0 to 30000 --- 0 Set to ‘201’ for access to PM motor control parameters.
PM motor selection setting (in P4-01) and menu 7 are
not visible when other value (than 201) is set.
P4-01 Control Mode 0, 1, 2: See Std Guide
3: PM Motor Control --- 2 Selects the motor control method.
Set to ‘3’ for Sensor-less PM motor control
P7-01 Stator
Resistance 0.000 – 50.000 ohm 2.8 Motor Stator Resistance (phase –phase).
Measure with ‘auto-tune’ or enter manually.
P7-03 Lsd Phase
Inductance 0.0000 – 1.0000 Henry 0.13 Inductance Per Phase.
‘d’ component of armature winding inductance from
the d-q linear model.
Measure with ‘auto-tune’ or enter manually.
P7-06 Lsq Phase
Inductance 0.0000 – 1.0000 Henry 0.13 Inductance Per Phase.
‘q’ component of armature winding inductance from
the d-q linear model.
Measure with ‘auto-tune’ or enter manually.
P7-10 Inertia Ratio 0 - 100 % 10 System Load Inertia to Motor Inertia Ratio. Entered into
P7-10 as:
P7-10 = (J
Tot
/ J
Mot
) . 10
P7-12 Current
magnetising
time 0 - 2000 mS 45 Motor magnetising time at start.
Time following drive enable to establish magnetising
flux in motor windings in order to accurately phase
motor shaft.
P7-14 Boost Current
Level 0 - 100 % 0 Boost current applied at start-up, as % of motor rated
current (P1-08)
P7-15 Boost
Frequency 0 – 50 % 0 Frequency range for applied boost current (P7-14) as %
of motor rated speed (P1-10)