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FANUC αi-B 200 V Servo Amplifier Modules

FANUC αiSV-B servo-axis amplifier modules for 200 V-class CNC drive systems. Compare single- and multi-axis current configurations, FSSB integration, cabinet outlines and dynamic-braking requirements. Separate from spindle amplifiers and power supplies.

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Keep the amplifier and drive-system roles separate

A servo module is one component of the CNC drive system, not a complete mains-powered motion package.

  1. 01

    200 V system, shared DC-link power

    The separate αiPS-B receives the AC mains and feeds the common DC link. αiSV-B uses that DC link plus a separate 24 V control supply.

    • Do not wire three-phase mains to the servo module’s TB1 DC-link terminals.
    • FSSB optical communication is distinct from Ethernet-based motion networks.
  2. 02

    Compare Arms and Apeak separately

    Rated RMS current determines continuous channel capacity under the specified thermal conditions. The nominal peak-current limit describes a different capability.

    • Select the motor and amplifier using the documented combinations.
    • Use the HRV-mode and temperature derating curve for the actual installation.
  3. 03

    Treat 360-B braking as a separate configuration

    αiSV 360-B requires an external dynamic brake module, unlike the smaller selected modules. The external DBM is not included by the amplifier order code.

    • A motor holding brake and dynamic braking perform different jobs.
    • STO availability also depends on hardware edition and servo software.
  4. 04

    Match exact order code and generation

    This collection excludes 400 V HV modules, spindle amplifiers, power supplies, combined servo/spindle units, βi amplifiers and αi-D. The first batch does not include SSM-support H12x or three-axis variants.

    • The existing spindle-amplifier collection remains separate.
    • Do not carry the spindle-module #H600 suffix into these complete base servo order codes.