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3.7 Power wiring
The power cable sections are recommended as follows:
1.5 square mm up to 8/16 (included)
2.5 square mm up to 10/20 (included)
The U V and W drive outpust can be connected directly to the motor terminals.
The minimum motor inductance value is 200uH. In the case of motors driven with armature inductance lower
than 200uH, it is necessary to use 3 chokes connected in series with the motor.
The amplifier itself is capable of driving motors with inductance between 200uH and 40mH.
If necessary, it is sufficient to adjust the current PI loop, opening solder bridge S7 and inserting a RKI resistor
on the personalization area and a CkI capacitor in accordance to the table below.
Inductance Load (mH)
Value 0,2-1,9 2-4,9 5-14,9 15- 40
CkI 2.2nF 2.2nF 10nF 10nF
RKI 47K 220K 470K 1M
The factory configures the MiniAx for a (2-4,9 mH) inductance load.
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