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This servo driver controls AC servo motors with high accuracy. The ABB 3HAB8101-3/07B belongs to ABB’s robotic and automation product family. You can integrate this driver into single or multi-axis motion systems. Its compact design fits easily into space‑constrained control cabinets.
Physical Dimensions and Hardware Layout
The ABB 3HAB8101-3/07B measures 5.5 cm in overall width. Its total depth reaches 23.0 cm including the heat sink. This servo driver weighs approximately 1.45 kg. A robust aluminum housing dissipates heat effectively during operation. Six LEDs display drive status, fault codes, and communication activity.
Power Ratings and Output Specifications
This driver delivers 3A continuous output current to the motor. The ABB 3HAB8101-3/07B provides 9A peak current for 2 seconds. Output power reaches 0.75 kW at 230V AC input. Built‑in I²t monitoring prevents thermal overload damage. Furthermore, the unit supports regenerative braking for rapid deceleration.
| Parameter | Specification |
|---|---|
| Product Type | AC servo driver |
| Input Voltage | 200 to 240V AC ±10%, single or 3‑phase |
| Input Frequency | 50/60 Hz ±5% |
| Continuous Output Current | 3A RMS |
| Peak Output Current | 9A for 2 seconds |
| Output Power | 0.75 kW |
| Control Mode | Position, velocity, torque |
| Feedback Interface | Incremental encoder (500‑2500 PPR) |
| Dimensions (W x H x D) | 55 mm x 250 mm x 230 mm |
| Weight | 1.45 kg (3.20 lbs) |
| Terminal Types | Power: screw block, Signal: 15‑pin D‑sub |
| Number of Components | 1 main board, 1 power board, 1 fan |
| Internal Energy Storage | 470 µF DC link capacitor bank |
| Regenerative Circuit | Built‑in braking transistor |
| Protection Features | Overcurrent, overvoltage, overtemperature |
| LED Indicators | 6 (power, ready, run, fault, com, brake) |
| Cooling Method | Forced air with internal fan |
| Operating Temperature | 0°C to +50°C |
Energy Storage and DC Link Performance
A 470 µF capacitor bank smooths the DC bus voltage. The ABB 3HAB8101-3/07B stores enough energy for 12 ms of hold‑up time. This storage allows the driver to ride through short power dips. Consequently, motor control remains stable during momentary supply interruptions.
Feedback Interface and Control Accuracy
The incremental encoder interface supports up to 2500 pulses per revolution. This configuration provides position accuracy of ±0.072 degrees. The ABB 3HAB8101-3/07B updates control loops every 250 microseconds. Therefore, this driver delivers smooth motion even at low speeds.
Communication and Diagnostic Features
You connect this driver to ABB robots via the dedicated serial link. The 15‑pin D‑sub connector handles all command and feedback signals. Six LEDs simplify fault diagnosis without additional tools. A red fault LED flashes a specific blink code. This code identifies the exact cause of any driver trip.