The Schneider ATV320U22N4C412 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 2.2 kW (3 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 ATV320U22N4C412 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
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 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
8.7 A at 380 V (heavy duty)
6.6 A at 500 V (heavy duty)
Maximum input current
8.7 A
Maximum output voltage
500 V
Apparent power
5.7 kVA at 500 V (heavy duty)
Maximum transient current
8.3 A during 60 s
Short-circuit protection
thermal protection
Network frequency
50…60 Hz
Relative symmetric network frequency tolerance
5 %
Prospective line Isc
5 kA
Base load current at high overload
8.0 A
Power dissipation in W
Fan: 74.0 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
140 mm
Height
184.0 mm
Depth
158.0 mm
Net weight
2.1 kg
Power factor
0.512 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
37.7 m3/h
Overvoltage category
II
Regulation loop
Adjustable PID regulator
Speed accuracy
+/- 10 % of nominal slip 0.2 Tn to Tn
Noise level
52 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
24.5 cm
Package 1 Width
19.1 cm
Package 1 Length
26.8 cm
Package 1 Weight
2.652 kg
Unit Type of Package 2
S06
Number of Units in Package 2
12
Package 2 Height
75 cm
Package 2 Width
60 cm
Package 2 Length
80 cm
Package 2 Weight
44.824 kg
Main
Range of product
Altivar Solar
Product or component type
Variable speed drive
Product specific application
Pumping applications
Variant
Standard version
With disconnect switch
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
5.5 A
Motor power kW
2.2 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 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
8.7 A at 380 V (heavy duty)
6.6 A at 500 V (heavy duty)
Maximum input current
8.7 A
Maximum output voltage
500 V
Apparent power
5.7 kVA at 500 V (heavy duty)
Maximum transient current
8.3 A during 60 s
Short-circuit protection
thermal protection
Network frequency
50...60 Hz
Relative symmetric network frequency tolerance
5 %
Prospective line Isc
5 kA
Base load current at high overload
8.0 A
Power dissipation in W
Fan: 74.0 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
140 mm
Height
184.0 mm
Depth
158.0 mm
Net weight
2.1 kg
Power factor
0.512 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
37.7 m3/h
Overvoltage category
II
Regulation loop
Adjustable PID regulator
Speed accuracy
+/- 10 % of nominal slip 0.2 Tn to Tn
Noise level
52 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
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