Overview
Configured for servo axis current control and motor drive execution in ABB robotic motion systems, the ABB DSQC346B (DSQC346B AXIS Drive Unit) provides direct electrical power conversion and axis control functions for AC servo motors.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSQC346B |
| Brand | ABB |
| Product Type | AXIS Drive Unit |
| Origin | Sweden |
| Weight | 3.3 kg |
| Dimensions | 12.7 x 6.4 x 6 cm |
| Operating Temp | 0 deg C to +55 deg C (derating above +40 deg C) |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 5-95% RH, non-condensing |
| Input Voltage | 3-phase 200-480 V AC, +/-10% |
| Input Frequency | 50/60 Hz, +/-5% |
| Power Range | 3.0 kW |
| Peak Current | 18 A |
| Output Current | 6 A RMS |
| Switching Frequency | 8 kHz PWM |
| Tariff Code | 8537101190 |
ABB Industrial Drive Control and Motion Interface
The ABB DSQC346B operates as an axis drive component that manages power conversion between the incoming three-phase AC supply and connected servo motor circuits. The unit applies PWM switching technology at 8 kHz to regulate motor current output.
Furthermore, the drive unit supports ABB motion control architectures through dedicated axis power management. The hardware design follows ABB industrial drive integration requirements, including firmware flash compatibility within supported controller configurations and coordinated axis operation through ABB robotic control platforms.
The DSQC346B belongs to ABB industrial control and drive hardware. Therefore, system integration requires matching controller firmware, motor specifications, and configured axis parameters.
Frequently Asked Questions
Q: What input power supply does the ABB DSQC346B require?
A: The DSQC346B requires a 3-phase 200-480 V AC input supply with a frequency range of 50/60 Hz and a tolerance of +/-5%.
Q: What motor output capability does the DSQC346B provide?
A: The unit provides a power range of 3.0 kW with a continuous output current rating of 6 A RMS and a peak current capability of 18 A.
Q: Does the DSQC346B require environmental derating?
A: Yes. The unit operates from 0 deg C to +55 deg C, and ABB specifies derating above +40 deg C operating conditions.
Field Installation Guidelines
Install the ABB DSQC346B inside an approved control cabinet with suitable airflow clearance and protection from conductive contamination.
Verify that the three-phase AC input wiring matches the specified voltage range before energizing the unit. Use properly rated power conductors and maintain separation between high-current motor cables and low-level signal wiring.
Connect protective grounding according to ABB installation requirements. Ensure that cable shields for motor and feedback circuits terminate correctly to reduce electromagnetic interference during PWM switching operation.
Before commissioning, verify motor compatibility, axis configuration parameters, and controller firmware support. Inspect all electrical connections after installation and confirm that the drive unit receives correct supply voltage before enabling motion control.
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