ATS48D75Q Soft Starter for Asynchronous Motor

Description

Main

range of product	Altistart 48.
product or component type	Soft starter.
product destination	Asynchronous motors.
product-specific application	Heavy-duty industry and pumps.
device’s short name	ATS48.
utilisation category	AC-53A.
Ue power supply voltage	230…415 V, 15…10 %.
power supply frequency	50…60 Hz, 5…5 %.
motor power kW	55 kW at 400 V connection to the motor delta terminals for standard applications. 55 kW at 400 V connection to the motor delta terminals for severe applications. 15 kW at 230 V connection in the motor supply line for severe applications. 18.5 kW at 230 V connection in the motor supply line for standard applications. 30 kW at 230 V connection to the motor delta terminals for severe applications. 30 kW at 400 V connection in the motor supply line for severe applications 37 kW at 230 V connection to the motor delta terminals for standard applications. 37 kW at 400 V connection in the motor supply line for standard applications.

Complementary

device connection	To the motor delta terminals. In the motor supply line.
protection type	Phase failure: line. Thermal protection: motor. Thermal protection: starter.
standards	EN/IEC 60947-4-2.
product certifications	DNV GOST. UL NOM 117 CCC CSA C-Tick TCF SEPRO
marking	CE
discrete input number	5
discrete input type	PTC, 750 Ohm at 25 °C. (Stop, Run, LI3, LI4) logic, <= 8 mA, 4300 Ohm.
discrete input logic	Positive logic Stop, Run, LI3, LI4 at State 0: < 5 V and <= 2 mA at State 1: > 11 V, >= 5 mA.
minimum switching current	10 mA at 6 V DC for relay outputs.
discrete output number	2
discrete output type	(LO1) logic output 0 V common configurable. (LO2) logic output 0 V common configurable. (R1) relay outputs fault relay NO. (R2) relay outputs end of starting relay NO. (R3) relay outputs motor-powered NO.
analogue output type	Current output AO: 0-20 mA or 4-20 mA, impedance <500 Ohm.
communication port protocol	Modbus.
connector type	1 RJ45.
communication data link	Serial
physical interface	RS485 multidrop.
transmission rate	4800, 9600 or 19200 bps.
function available	External bypass (optional).
operating position	Vertical +/- 10 degree.
height	290 mm.
width	190 mm.
depth	235 mm.
net weight	8.3 kg.

Environment

electromagnetic compatibility	Conducted and radiated emissions level A conforming to IEC 60947-4-2. Conducted and radiated emissions level B conforming to IEC 60947-4-2. Damped oscillating waves, level 3, conforming to IEC 61000-4-12. Electrostatic discharge level 3 conforms to IEC 61000-4-2. Immunity to electrical transients, level 4, conforming to IEC 61000-4-4. Immunity to radiated radio-electrical interference level 3 conforms to IEC 61000-4-3. Voltage/current impulse level 3 conforms to IEC 61000-4-5.
relative humidity	0…95 % without condensation or dripping water, conforming to EN/IEC 60068-2-3.
ambient air temperature for operation	40…60 °C (with current derating of 2 % per °C) -10…40 °C (without derating).
ambient air temperature for storage	-25…70 °C.
operating altitude	<= 1000 m without derating. > 1000–2000 m with current derating of 2.2 % per additional 100 m.

Packing Units

Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1: Height	36 cm
Package 1: Width	30.5 cm
Package 1 Length	39 cm
Package 1: Weight	10.266 kg
Unit Type of Package 2	P06
Number of Units in Package 2	2
Package 2: Height	73.5 cm.
Package 2 Width	80 cm
Package 2 Length	60 cm
Package 2: Weight	33.532 kg.

The ATS48D75Q is a soft starter designed by Schneider Electric, part of the Altistart 48 series. Soft starters are crucial in applications where smooth starting and stopping of motors are required. The ATS48D75Q provides advanced motor control and protection, making it suitable for a wide range of industrial applications.

Key Features and Specifications

Power and voltage ratings:

• The ATS48D75Q is designed for asynchronous motors with a power rating of 75 kW (100 HP).
• It operates on a three-phase voltage range of 230 to 415V AC, making it versatile for different power supply standards.

Control and Interface:

• The device includes a digital display and keypad for easy configuration and monitoring.
• It supports various control methods, including 2-wire and 3-wire control, which enhance its adaptability to different control systems.

Protection Functions:

• The ATS48D75Q offers comprehensive motor protection features, such as thermal overload protection, phase loss, phase imbalance, and underload protection.
• It also includes protection against overcurrent and short circuits, ensuring the motor and the starter itself are safeguarded against electrical faults.

Performance Features:

• The soft starter provides smooth starting and stopping by controlling the voltage applied to the motor, which reduces mechanical stress on the motor and the driven load.
• It includes a torque control feature, which optimizes the starting torque and limits inrush current, enhancing the motor’s lifespan and reducing energy consumption.

Benefits of Using the ATS48D75Q

Reduced mechanical stress:

• By providing a gradual increase in voltage, the ATS48D75Q reduces mechanical stress on the motor and connected machinery, which minimizes wear and tear and extends the equipment’s operational life.

Energy Savings:

• The soft starter’s ability to optimize motor performance and reduce inrush current leads to significant energy savings, especially in applications with frequent starts and stops.

Enhanced Motor Protection:

• The comprehensive protection features ensure the motor operates within safe parameters, preventing damage and reducing downtime caused by motor failures.

Improved Process Control:

• The smooth starting and stopping capabilities improve process control in applications such as conveyor systems, pumps, and fans, resulting in more consistent and reliable operation.

Applications

The ATS48D75Q is suitable for a wide range of industrial applications, including, but not limited to:

Pumps:

• In water and wastewater treatment plants, the soft starter helps reduce water hammer and pressure surges, protecting the piping system and improving pump longevity.

Fans and Blowers:

• The smooth acceleration and deceleration provided by the ATS48D75Q reduce mechanical stress on fans and blowers, leading to quieter operation and a longer service life.

Conveyors:

• In material handling systems, the soft starter ensures smooth starting and stopping of conveyors, reducing spillage and mechanical wear.

Compressors:

• For air and gas compressors, the ATS48D75Q reduces mechanical stress during startup, leading to lower maintenance costs and improved reliability.

Installation and Configuration

Mounting:

• The ATS48D75Q can be mounted directly on a panel or in an enclosure, depending on the environmental conditions and space availability.
• Proper ventilation should be ensured to prevent overheating.

Wiring:

• The soft starter should be connected to the motor and the power supply according to the wiring diagram provided in the user manual.
• Proper grounding and cable sizing are essential for safe and reliable operation.

Parameter Setting:

• The digital display and keypad allow for easy configuration of the soft starter parameters.
• Users can set parameters such as starting and stopping times, torque control, and protection settings to match the specific requirements of their application.

Maintenance and Troubleshooting

Regular Maintenance:

• Periodic inspections should be carried out to ensure the soft starter is functioning correctly.
• Checking for loose connections, overheating, and unusual noise can help identify potential issues early.

Firmware Updates:

• Schneider Electric periodically releases firmware updates for the ATS48D75Q to enhance its functionality and address any known issues.
• Keeping the firmware up-to-date ensures optimal performance and reliability.

Common Issues and Solutions:

• If the soft starter does not operate correctly, the digital display provides error codes that can help diagnose the problem.
• Common issues include incorrect parameter settings, wiring errors, and environmental factors such as temperature extremes.

Conclusion

The ATS48D75Q soft starter from Schneider Electric‘s Altistart 48 series is a robust and reliable solution for controlling and protecting asynchronous motors in a variety of industrial applications. Its advanced features, including comprehensive protection functions, energy-saving capabilities, and ease of installation and configuration, make it an excellent choice for enhancing motor performance and extending equipment life. By reducing mechanical stress, improving process control, and offering significant energy savings, the ATS48D75Q provides a cost-effective and efficient solution for modern industrial operations.