IndustrialDriveDataDrive Board & Diagnostic Database
DC-link / braking / thermal evidence record

Unidrive Braking and Thermal Evidence Record

Captures Over Volts and O.ht/O.ht1 evidence around DC bus, braking resistor, chopper, fan, heatsink and load duty.

Record status

IdentifierFamily-level record pending exact frame, brake resistor and cooling hardware
Record typeDC-link / braking / thermal evidence record

Observed functional elements

DC busBrake resistorBrake chopperHeatsinkCooling fanLoad inertia

Diagnostic use

  • Separate regenerative energy from hardware faults
  • Support braking resistor/cooling repair decisions
  • Preserve safety-critical load evidence

Linked circuit records

Circuit
Unidrive DC Bus and Braking Path

Routes Over Volts evidence through line voltage, DC bus, load regeneration, deceleration ramp, brake resistor, brake chopper and feedback-induced instability.

Open →Circuit
Unidrive Control Supply, Option Module and Feedback Path

Routes PS.24V, thermal feedback and encoder instability through external 24 V loads, option modules, feedback wiring, sensor supply, heatsink feedback and control-board evidence.

Open →