ACS3615-675F

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The Kollmorgen ACS3615-675F is a robust unit within the AC SuperDrive Motion Units series, boasting a GEN 5 controller type. Designed for 4-quadrant operation, it offers speed and torque control capabilities with dust and water resistance. It features CANOpen communication and programmable options like hill hold and rollback braking.

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Product Description:

The ACS3615-675F is an AC SuperDrive motion unit manufactured by Kollmorgen to provide fine control of motor characteristics in sophisticated automation or robotics applications. The drive is powered by a nominal DC supply voltage of 24/36 VDC, which allows it to be easily integrated into a wide range of industrial power platforms.

With a driving current of 675 Arms (2-minute rating) and a power output of 27.3 kVA, this drive accommodates intensive short-duration loads without any performance loss. The ACS3615-675F supports regenerative braking to capture energy during braking, thus enhancing system efficiency and decreasing thermal loading of braking resistors. This drive has full functional capability over a broad ambient temperature range from -40°C to +55°C, and also remains stable in storage environments from -40°C to +70°C. These temperature ranges make this drive suitable for use in applications with extreme temperatures, such as outdoor or unconditioned enclosures. The ACS3615-675F motion unit comes with a default switching frequency of 8 kHz, along with 12 kHz and 16 kHz options for further optimizations for either minimal electromagnetic noise or enhanced dynamic response.

This ACS3615-675F unit can also work in tough environments due to its 100% condensing humidity tolerance (IEC68-2-30 standard), which is essential for applications in high-moisture environments. This drive is aided by thermal resistance of 0.087 °C/W, and its finned version needs forced air cooling at 6 m/s according to a 1-hour rating for operational use, with assured reliable heat dissipation in constant operations. This drive has IP54 ratings for protection from dust entry and minimal water exposure. The operating stator current frequency of 0–250 Hz also increases this drive’s compatibility for various motor control profiles ranging from low-speed torque to high-speed accuracy.

Braking
Regenerative
Control Mode
Speed or torque control
Cooling Requirement
6 m/s forced air cooling (for finned version at 1-hour rating)
Driving current (2 min. rating) Arms
675
Humidity
100% condensing (IEC68-2-30)
Nominal DC Supply Voltage
24/36 VDC
Operating Stator Current Frequency
0–250 Hz
Operating Temperature
-40°C to +55°C
Power output (2 min. rating) kVA
27.3
Protection Class
IP54 (with mating connector installed)
Storage Temperature
-40°C to +70°C
Switching Frequency
8 kHz (default), 12 and 16 kHz optional
Thermal Resistance
0.087 °C/W

Frequently Asked Questions about ACS3615-675F:

Q: How does the regenerative braking in the ACS3615-675F help energy management?

A: It feeds unused energy back into the system during deceleration. This reduces external braking load and improves overall system efficiency.

Q: Why is the 0.087 °C/W thermal resistance critical in the ACS3615-675F?

A: It minimizes heat buildup during high-power operation. This ensures longer component life and thermal reliability under continuous load.

Q: What is the benefit of a 6 m/s forced air cooling requirement?

A: It allows effective heat dissipation in compact enclosures. This helps maintain optimal performance during high-duty cycles.

Q: How does the 0–250 Hz stator current frequency impact motor control?

A: It allows precise speed and torque variation across motor types. This supports a wide range of industrial motion profiles.

Q: Why are multiple switching frequency options available in the ACS3615-675F?

A: They enable tuning for either reduced EMI or better dynamic response. This flexibility suits varied application needs.


Internal Product Review

  • ‘‘The ACS3615-675F offers high efficiency with its regenerative braking, 675 Arms drive current, and 0–250 Hz stator frequency range. Its IP54 rating ensures secure integration in demanding applications. This unit also supports fine-tuned performance through configurable switching frequencies and reliable thermal resistance at 0.087 °C/W.’’

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