ATV930D75N4

Configured for variable-frequency control of 3-phase synchronous and asynchronous motors in the Altivar Process ATV900 platform, the Schneider Electric ATV930D75N4 (ATV930D75N4 Variable Speed Drive) accepts a 380 to 480 VAC supply and provides up to 145 A normal-duty output current. The unit includes an integrated braking chopper, IP21 enclosure, Ethernet communication, Modbus serial communication, and Safe Torque Off.

Hardware Specifications

Parameter	Specification
Model	ATV930D75N4
Brand	Schneider Electric
Product Type	Variable Speed Drive
Series	Altivar Process ATV900
Variant	Standard version with braking chopper
Motor Type	3-phase synchronous and asynchronous motors
Rated Supply Voltage	380 to 480 VAC, -15% to +10%
Rated Frequency	50 to 60 Hz
Output Current	145.0 A normal duty; 106.0 A heavy duty
Motor Power	75 kW normal duty; 55 kW heavy duty
Maximum Output Voltage	480 V
Maximum Output Frequency	599 Hz
Switching Frequency	1 to 8 kHz adjustable; 2.5 to 8 kHz with derating
Nominal Switching Frequency	2.5 kHz
Braking Chopper	Integrated
Continuous Output Current	145 A normal duty; 106 A heavy duty at 2.5 kHz
Maximum Transient Current	174 A for 60 s normal duty; 159 A for 60 s heavy duty
Communication	EtherNet/IP, Modbus TCP, Modbus serial
Ethernet Rate	10/100 Mbit/s
Modbus Serial Rate	4.8, 9.6, 19.2, 38.4 kbit/s
Physical Interfaces	Ethernet, 2-wire RS 485
Ethernet Connector	2 RJ45
Modbus Connector	1 RJ45
Analog Inputs	3; 0 to 10 VDC or 0 to 20 mA / 4 to 20 mA, 12 bit
Analog Outputs	2; 0 to 10 VDC or 0 to 20 mA, 10 bit
Discrete Inputs	10; DI1 to DI8 plus STOA and STOB
Pulse Inputs	DI7 and DI8, 0 to 30 kHz
Discrete Outputs	2
Relay Outputs	3
Safe Torque Off	STO
Safe Stop 1	SS1
Safely Limited Speed	SLS
Safe Brake Control	SBC/SBT
EMC Filter	Integrated
Protection Rating	IP21; UL Type 1
Dimensions	290 mm W x 922 mm H x 325.5 mm D
Weight	59 kg
Operating Temp	-15 to 50 deg C without derating; 50 to 60 deg C with derating
Operating Altitude	Up to 1000 m without derating; 1000 to 4800 m with 1% current derating per 100 m
Power Consumption	174 W natural convection at 380 V, 2.5 kHz; 1369 W forced convection at 380 V, 2.5 kHz
Cooling Air Volume	295 m3/h
Relative Humidity	5 to 95% without condensation
Installation Position	Vertical +/- 10 deg
Pollution Degree	2
Environmental Class	3C3 / 3S3 according to IEC 60721-3-3
Origin	IN
Certifications	UL, CSA, TUV
Marking	CE

Industrial Control and Drive Communication

The ATV930D75N4 provides Ethernet communication through EtherNet/IP and Modbus TCP at 10/100 Mbit/s. The Ethernet interface supports half-duplex, full-duplex, and autonegotiation modes. Modbus serial communication uses a 2-wire RS 485 interface with RTU framing, configurable parity, and addresses from 1 to 247.

The drive also supports optional communication modules for PROFINET, Profibus DP V1, DeviceNet, EtherCAT, CANopen, and Ethernet Powerlink. These options are installed through the designated drive communication slots.

The control interface includes programmable 24 VDC discrete inputs, analog inputs, analog outputs, relay outputs, and pulse I/O. Analog inputs accept voltage or current signals, while analog outputs can be configured for voltage or current operation.

Motor control profiles include variable torque, optimized torque, and constant torque operation for asynchronous motors. Permanent magnet and synchronous reluctance motor profiles are also supported. Acceleration and deceleration ramps are separately adjustable from 0.01 to 9999 s.

Frequently Asked Questions

Q: What supply voltage is specified for the ATV930D75N4?

A: The rated supply voltage is 380 to 480 VAC, with a specified supply tolerance of -15% to +10% and a network frequency range of 50 to 60 Hz.

Q: Does the ATV930D75N4 include a braking chopper?

A: Yes. The supplied configuration includes an integrated braking chopper.

Q: Which safety functions are specified for this drive?

A: The documented safety functions include Safe Torque Off (STO), Safe Stop 1 (SS1), Safely Limited Speed (SLS), and Safe Brake Control (SBC/SBT).

Field Installation Guidelines

Install the drive in the specified vertical position within the stated ambient temperature and altitude limits. Maintain the required clearance and airflow path around the enclosure so that the cooling system can operate without obstruction.

Use the specified conductor sizes and terminal arrangements for control, DC bus, line-side, and motor connections. Separate power wiring from low-level analog and communication wiring where practical to reduce conducted and radiated interference.

Connect protective earth according to the applicable installation standard. Route Ethernet and RS 485 communication cables separately from high-current motor conductors where possible. Use the designated communication connectors and maintain appropriate cable shielding and termination practices for the selected network.

Before energization, verify supply voltage, motor wiring, protective earth continuity, control polarity, STO wiring, and configured motor parameters. Confirm that the motor and drive ratings correspond to the selected normal-duty or heavy-duty operating mode.

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