TVD

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TVD power supplies rectify three-phase mains into a regulated DC bus, provide control voltages for connected drive modules, and add monitoring, protective, and braking support for Rexroth Indramat drive systems.

Common Models:
  • TVD 1.3-15-3
  • TVD 1.2-15-03
  • TVD 1.3-08-03
  • TVD 1.2-08-03

Details

TVD Power Supplies: TVD units rectify three-phase mains AC and provide a regulated DC bus circuit voltage for connected main and servo drives, while also supplying electronics voltages for the system.

System Functions: The TVD provides +24VL and +/-15VM, includes an internal contactor, and supports continued electronics supply from the DC bus during power loss events.

Braking and Monitoring: Regenerated power is absorbed by the bleeder resistor, and the unit includes extensive monitoring functions communicating with connected drives via ribbon cable.

Typical Features:

  • Regulated DC bus voltage
  • Internal power contactor
  • +24VL and +/-15VM supply
  • Generator-mode braking support
  • Drive system monitoring
  • Ribbon-cable communication

System Note: The Bb1 contact is required for the drive system ready state and must be closed before the contactor can be energized.

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