Description

Schneider ATV320U75N4C412 | Variable speed drive, Altivar Solar, 7.5kW, 380 to 500V, 3 phases, compact

Description

The Schneider ATV320U75N4C412 is a compact variable speed drive (VSD) from the Altivar Solar series, engineered to optimize the performance of solar-powered pump systems. It efficiently controls the speed and torque of a 3-phase asynchronous or synchronous motor by converting DC power from solar panels into a variable-frequency AC output. This drive is a key component for off-grid water pumping, ensuring maximum efficiency and reliability.

Specifications

This VSD is rated for a power output of 7.5 kW (10 HP) and is compatible with a three-phase supply voltage ranging from 380 to 500 V. It features a compact, wall-mounted design with an IP20 protection rating. The drive includes integrated Modbus RTU and CANopen communication protocols, allowing for seamless integration and control within a larger automation system. It also has a built-in Class C2 EMC filter.

Key Features and Benefits

Solar Optimization: The drive incorporates a dedicated MPPT (Maximum Power Point Tracking) algorithm to harvest the maximum possible energy from the solar array, ensuring the pump operates at peak efficiency even during periods of low sunlight.

Dual Power Source: It supports a dual-supply mode, allowing it to switch between solar power and an AC grid connection. This feature guarantees continuous pump operation during cloudy days or at night.

Pump and Motor Protection: The VSD provides essential protective functions, including dry run protection, pump overload, and anti-jam features, which safeguard the pump and motor from damage, thus extending their lifespan and reducing maintenance costs.

Robust and Reliable: Built with coated circuit boards, the drive is designed to withstand harsh environments and can operate in a wide temperature range, ensuring long-term reliability.

Applications

The ATV320U75N4C412 is primarily used in solar water pumping systems for a variety of applications, including:

Agricultural and irrigation systems

Water supply for remote residential areas and villages

Livestock watering in off-grid locations

Water storage tank pumping

Additional information

brands

Schneider Electric

Specifications

Main
Range of product Altivar Solar
Product or component type Variable speed drive
Product specific application Pumping applications
Variant Standard version
Format of the drive Compact
Mounting mode Wall mount
Communication port protocol Modbus serial CANopen
Option card Communication module, Ethernet IP/Modbus TCP
[Us] rated supply voltage 380...500 V - 15...10 %
nominal output current 17.0 A
Motor power kW 7.5 kW for heavy duty
EMC filter Class C2 EMC filter integrated
IP degree of protection IP20
Complementary
Discrete input number 7
Discrete input type STO safe torque off, 24 V DC, impedance: 1.5 kOhm DI1...DI6 logic inputs, 24 V DC (30 V) DI5 programmable as pulse input: 0…30 kHz, 24 V DC (30 V)
Discrete input logic Positive logic (source) Negative logic (sink)
Discrete output number 3
Discrete output type Open collector DQ+ 0…1 kHz 30 V DC 100 mA Open collector DQ- 0…1 kHz 30 V DC 100 mA
Analogue input number 3
Analogue input type AI1 voltage: 0...10 V DC, impedance: 30 kOhm, resolution 10 bits AI2 bipolar differential voltage: +/- 10 V DC, impedance: 30 kOhm, resolution 10 bits AI3 current: 0...20 mA (or 4-20 mA, x-20 mA, 20-x mA or other patterns by configuration), impedance: 250 Ohm, resolution 10 bits
Analogue output number 1
Analogue output type Software-configurable current AQ1: 0...20 mA impedance 800 Ohm, resolution 10 bits Software-configurable voltage AQ1: 0...10 V DC impedance 470 Ohm, resolution 10 bits
Relay output number 2
Relay output type Configurable relay logic R1A 1 NO electrical durability 100000 cycles Configurable relay logic R1B 1 NC electrical durability 100000 cycles Configurable relay logic R1C Configurable relay logic R2A 1 NO electrical durability 100000 cycles Configurable relay logic R2C
Maximum switching current Relay output R1A, R1B, R1C on resistive load, cos phi = 1: 3 A at 250 V AC Relay output R1A, R1B, R1C on resistive load, cos phi = 1: 3 A at 30 V DC Relay output R1A, R1B, R1C, R2A, R2C on inductive load, cos phi = 0.4 and L/R = 7 ms: 2 A at 250 V AC Relay output R1A, R1B, R1C, R2A, R2C on inductive load, cos phi = 0.4 and L/R = 7 ms: 2 A at 30 V DC Relay output R2A, R2C on resistive load, cos phi = 1: 5 A at 250 V AC Relay output R2A, R2C on resistive load, cos phi = 1: 5 A at 30 V DC
Minimum switching current Relay output R1A, R1B, R1C, R2A, R2C: 5 mA at 24 V DC
Method of access Slave CANopen
Number of addresses 1…247 1…127
Data format 8 bits, configurable odd, even or no parity
Type of polarization No impedance
4 quadrant operation possible True
Asynchronous motor control profile Voltage/frequency ratio, 5 points Flux vector control without sensor, standard Voltage/frequency ratio - Energy Saving, quadratic U/f Flux vector control without sensor - Energy Saving Voltage/frequency ratio, 2 points
Synchronous motor control profile Vector control without sensor
Maximum output frequency 0.599 kHz
Acceleration and deceleration ramps Linear U S CUS Ramp switching Acceleration/deceleration ramp adaptation Acceleration/deceleration automatic stop with DC injection Automatic adaptation of ramp if braking capacity exceeded, by using resistor Linear adjustable separately from 0.01 to 6000 s
Motor slip compensation Automatic whatever the load Adjustable 0...300 % Not available in voltage/frequency ratio (2 or 5 points)
Switching frequency 2...16 kHz adjustable 4...16 kHz with derating factor
Nominal switching frequency 4 kHz
Braking to standstill By DC injection
Brake chopper integrated True
Line current 26.5 A at 380 V (heavy duty) 18.7 A at 500 V (heavy duty)
Maximum input current 26.5 A
Maximum output voltage 500 V
Apparent power 16.2 kVA at 500 V (heavy duty)
Maximum transient current 25.5 A during 60 s
Short-circuit protection thermal protection
Network frequency 50...60 Hz
Relative symmetric network frequency tolerance 5 %
Prospective line Isc 22 kA
Base load current at high overload 17.0 A
Power dissipation in W Fan: 229.0 W at 380 V, switching frequency 4 kHz
Electrical connection Screw terminal, clamping capacity: 0.5...1.5 mm² for analog input Screw terminal for analog output Screw terminal
With safety function Safely Limited Speed (SLS) True
With safety function Safe brake management (SBC/SBT) False
With safety function Safe Operating Stop (SOS) False
With safety function Safe Position (SP) False
With safety function Safe programmable logic False
With safety function Safe Speed Monitor (SSM) False
With safety function Safe Stop 1 (SS1) True
With sft fct Safe Stop 2 (SS2) False
With safety function Safe torque off (STO) True
With safety function Safely Limited Position (SLP) False
With safety function Safe Direction (SDI) False
Protection type Input phase breaks: drive Overcurrent between output phases and earth: drive Overheating protection: drive Short-circuit between motor phases: drive Thermal protection: drive
Width 150 mm
Height 232.0 mm
Depth 178.0 mm
Net weight 3.6 kg
Power factor 0.522 at 380 V
Braking torque 170 % with braking resistor
Local signalling 1 LED (red) for drive fault 1 LED (red) for CANopen error 1 LED (green) for CANopen run
Transient overtorque 170…200 % of nominal motor torque
Environment
Operating position Vertical +/- 10 degree
Product certifications CE UR UKCA RCM
Marking CE UR UKCA RCM
Standards IEC 61800-5-1
Assembly style With heat sink
Electromagnetic compatibility Electrostatic discharge immunity test level 3 conforming to IEC 61000-4-2 Radiated radio-frequency electromagnetic field immunity test level 3 conforming to IEC 61000-4-3 Electrical fast transient/burst immunity test level 4 conforming to IEC 61000-4-4 1.2/50 µs - 8/20 µs surge immunity test level 3 conforming to IEC 61000-4-5 Conducted radio-frequency immunity test level 3 conforming to IEC 61000-4-6 Voltage dips and interruptions immunity test conforming to IEC 61000-4-11
Environmental class (during operation) Class 3C3 according to IEC 60721-3-3 Class 3S2 according to IEC 60721-3-3
Maximum acceleration under shock impact (during operation) 150 m/s² at 11 ms
Maximum acceleration under vibrational stress (during operation) 10 m/s² at 13...200 Hz
Maximum deflection under vibratory load (during operation) 1.5 mm at 2...13 Hz
Permitted relative humidity (during operation) Class 3K5 according to EN 60721-3
Volume of cooling air 60 m3/h
Overvoltage category II
Regulation loop Adjustable PID regulator
Speed accuracy +/- 10 % of nominal slip 0.2 Tn to Tn
Noise level 54 dB
Pollution degree 2
Ambient air transport temperature -25…70 °C
Ambient air temperature for operation -10…50 °C without derating 50…60 °C with derating factor
Ambient air temperature for storage -25…70 °C
Operating altitude 1000...2000 m with current derating 1 % per 100 m <= 1000 m without derating
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 19.558 cm
Package 1 Width 22.098 cm
Package 1 Length 33.274 cm
Package 1 Weight 4.731 kg

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