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Kollmorgen
16.3
Guide for electrical installation
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Check that the servo amplifier and motor match each other. Compare the rated vol-
tage and rated current of the unit. Carry out the wiring according to the wiring dia-
gram in the instructions manual of the servo amplifier. The connections to the motor
are shown in chapter "Wiring Diagrams" from p.84.
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Install all cables carrying a heavy current with an adequate cross-section, as per
EN 60204. The recommended cross-section can be found in the technical data.
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In case of long motor cables (>25m) and dependent on the type of the used servo
amplifier a motor choke (3YL or 3YLN) must be switched into the motor cable (see
instructions manual of the servo amplifier and accessory manual).
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Ensure that there is proper earthing of the servo amplifier and the motor. Use correct
earthing and EMC-shielding according to the instructions manual of the servo ampli-
fier which is used. Earth the mounting plate and motor casing.
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Cabling:
—
—
—
—
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Connect up all shielding via a wide surface-area contact (low impedance) and me-
tallized connector housings or EMC-cable glands.
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Requirements to cable material:
Capacity
Motor cable
Feedback cable
Servomotors Cartridge DDR
04/2017
Route power cables as separately as possible from control cables
Connect up the Encoder.
Connect the motor cables, install motor chokes close to the servo
amplifier
Connect shields to shielding terminals or EMC connectors at both ends.
less than 150 pF/m
less than 120 pF/m
Electrical Installation
English - 37
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