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Série SL

Alimentation DC Programmable

Key Facts

  • 127 models
  • 1U rack-mount
  • 1.5 kW, 2.6 kW, 4 kW, 6 kW, 8 kW, 10 kW power levels
  • 5 Vdc to 1500 Vdc output voltage
  • 1.5 Adc to 250 Adc output current
  • UL/CSA listed, CE Mark
  • Designed and manufactured in the USA
  • Build-Time: 14-16 Weeks
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Current-Fed Topology, Up to 10 kW, Flexible Options, Made in the USA

Defining A New Class of 1U Power Supplies

The SL Series builds on over 40 years of power supply innovation at Magna-Power, designed from the ground up to meet the highly reliable power dense demands of ATE system integrators through Magna-Power's signature current-fed power processing topology. Utilizing state-of-the-art semiconductors and innovative internally designed and manufactured heat sinks, the SL Series offers industry-leading 1U (1.75” height) programmable power levels with models at 1.5 kW, 2.6 kW, 4 kW, 6 kW, 8 kW, and 10 kW, while still maintaining an ambient operating temperature rating up to 50°C.

Current-Fed Topology: Robust Power Conversion

All MagnaDC programmable DC power supplies utilize high-frequency IGBT-based power processing in current-fed topology. This topology adds an additional stage over the conventional voltage-fed topology for enhanced control and system protection, ensuring that even under a fault condition, the power supply will self-protect. Due to the self-protecting characteristics of this topology, the possibility of fast rising current spikes and magnetic core saturation is eliminated.

In addition to its robust topology, key performance characteristics of MagnaDC programmable DC power supplies include:

  • High-accuracy voltage and current programming accuracy
  • Class-leading line and load regulation performance
  • High 3Φ AC input power factor with in-rush limiting circuitry
  • Computer and user I/O isolated from the power supply output

For more details, read: Current-Fed Power Processing—Ride Through Robustness

SL Series Current-Fed Topology Image

Designed and Manufactured in the USA, Available Worldwide

For complete control of quality, MagnaDC programmable DC power supplies are designed and manufactured at Magna-Power's vertically integrated USA manufacturing facility in Flemington, New Jersey. Heat-sinks and chassis are machined from aluminum. All sheet metal is fabricated and powder coated in-house. Magnetics are wound-to-order from validated designs based on a model's voltage and current. An automated surface-mount production line places components on printed circuit boards for control, driver, auxiliary power, and display circuits. And finally after assembly, products undergo comprehensive test and calibration, followed by an extended burn-in period.

For more details: Tour Our Manufacturing Operations.

SL Series Made in the USA Image

Standard Safety Features

MagnaDC programmable DC power supplies have extensive diagnostic functions, including:

  • AC Phase Loss
  • Excessive Thermal Conditions
  • Over Voltage Trip (Programmable)
  • Over Current Trip (Programmable)
  • Cleared Fuse
  • Excessive Program Line Voltage
  • Interlock Fault

When in standby or diagnostic fault, the AC mains are mechanically disconnected by an embedded AC contactor, providing confidence that the unit is only processing power when desired.

Finally, with a dedicated +5V interlock input pin and included +5V reference on all models, external emergency stop systems can be easily integrated using an external contact.

High Performance Master-Slave Operation

All MagnaDC programmable DC power supplies come with master-slaving capability.

The MagnaDC master-slaving strategy helps to ensures no degradation in performance as units are added in parallel or series by providing gate drive signals directly from the master to the slave units. This strategy ensures one control loop for the system and eliminates the noise susceptibility commonly found when sending analog control references over long distances.

The Universal Interface Device 47 (UID47) accessory eases master-slave parallel or series configuration of Magna-Power DC power supplies, enabling near equal current or voltage sharing, depending on the configuration.

Master-slave series operation is supported to combined voltages up to the product's DC Output Isolation specification. No external blocking diodes are requires for series operation.

Included Software and Drivers

All MagnaDC programmable DC power supplies come standard with National Instruments LabVIEW and IVI drivers. In addition, the support SCPI command set provides an easy to use API using ASCII commands over any interface.

In addition to being able to develop your own software, Magna-Power's Remote Interface Software is also included with all power supplies. The software provides the user with an easy and intuitive method to operate a Magna-Power Electronics power supply with computer control. The Remote Interface Software has six different windows, including:

  • Virtual Control Panel. Use a virtual front panel on the desktop to remote control the power supply from a computer.
  • Command Panel. Explore all the available commands, along with logs of what string the software is sending to the power supply; used for developing your own software.
  • Register Panel. Quickly get the status of all the power supply registers from one screen.
  • Calibration Panel. Recalibrate internal digital potentiometers.
  • Firmware Panel. Upgrade the power supply's firmware.
  • Modulation Panel. Emulate non-linear profiles, such as solar arrays, pseudo-resistance for N+1 redundancy without wires, or automatic compensation for leadless remote sensing.

The included Remote Interface software supports RS232, LXI TCP/IP Ethernet, and IEEE-488, along with the USB and RS485 converters.

SL Series Software + Drivers Image

External User I/O for Analog Control

Using the rear isolated 37-pin I/O connector, included as standard, the MagnaDC programmable power supplies can be completely controlled and monitored using external signals. The voltage, current, over voltage and over current set points are set by applying a 0-10V analog signal. Each diagnostic condition is given a designated pin, which reads +5V when high. Reference +5V and +10V signals are provided, eliminating the need for external voltage signals and allowing the use of dry contacts.

Also, the power supply features a normally closed external interlock, which when enabled, allows the power supply to be tied in with other emergency stop equipment. All these pins are isolated from the output terminals and referenced to earth-ground as standard—no additional isolation equipment or options necessary.

The following list summarizes the available I/O from the power supply:

  • 4 analog inputs (0-10V)
  • 2 analog outputs (0-10V)
  • 5 digital inputs (5V)
  • 15 digital outputs (5V)
  • +2.5V, +5V and +10V reference signals

With the High Slew Rate Output (+HS) option equipped, high bandwidth operation is enabled along with fast rise times, allowing the MagnaDC programmable DC power supplies to address requirements for Hardware-in-the-Loop (HIL).

SL Series External User I/O Image

Front Panel - Standard

Front Panel - Standard

Front Panel - C Version

Front Panel - C Version
A
POWER: Indicates power output
STANDBY: Indicates control power only
B
Function Keys
MENU: Selects function
ITEM: Selects item within function
V/I DIS: Displays voltage-current settings
TRIP DIS: Displays OVT and OCT setting
CLEAR: Clears settings or resets fault
ENTER: Select item
C
Meters display output voltage, output current, voltage set point, current set point, over voltage trip and over current trip
D
Power switch energizes control circuits without engaging main power
E
Engages and disengages main power via integrated mechanical contactor
F
Stepless rotary knob to set voltage-current
G
Diagnostic Alarms
LOC: Interlock
PGL: External input voltage beyond limits
THL: Over-temperature condition
OVT: Over-voltage protection has tripped
OCT: Over-current protection has tripped
H
REM SEN: Remote sense enabled
INT CTL: Front panel start/stop/clear enabled
EXT CTL: External start/stop/clear enabled
ROTARY: Front panel rotary knob input
EXT PGM: External analog voltage-current control
REMOTE: Computer control

Model Ordering Guide

For both ordering and production, SL Series models are uniquely defined by several key characteristics, as defined by the following diagram:

SL Series Ordering Guide

SL Series Models

There are 127 different models in the SL Series spanning power levels: 1.5 kW, 2.6 kW, 4 kW, 6 kW, 8 kW, 10 kW. To determine the appropriate model:

  1. Select the desired Max Voltage (Vdc) from the left-most column.
  2. Select the desired Max Current (Adc) from the same row that contains your desired Max Voltage.
  3. Construct your model number according to the model ordering guide.
  1.5 kW 2.6 kW 4 kW 6 kW 8 kW 10 kW    
Max Voltage (Vdc) Max Current (Adc) Ripple (mVrms) Efficiency
5 250 N/A N/A N/A N/A N/A 50 84%
10 150 250 N/A N/A N/A N/A 40 89%
16 93 162 250 N/A N/A N/A 35 89%
20 75 130 200 250 N/A N/A 40 90%
25 60 104 160 240 N/A N/A 40 91%
32 46 81 125 186 250 N/A 40 91%
40 37 65 100 150 200 250 40 91%
50 30 52 80 120 160 200 50 92%
60 25 43 66 100 133 166 60 93%
80 18 32 50 75 100 125 60 93%
100 15 26 40 60 80 100 60 93%
125 12 20 32 48 64 80 100 93%
160 9 16 25 36 50 60 120 93%
200 7.5 13 20 30 40 50 125 94%
250 6 10.4 16 24 32 40 130 94%
300 5 8.6 13.2 20 26.4 33.3 160 94%
375 4 6.9 10.4 16 21.3 26.5 170 94%
400 3.7 6.5 10 15 20 25 180 95%
500 3 5.2 8 12 16 20 220 95%
600 2.5 4.3 6.4 10 13.3 16.5 250 95%
800 1.8 3.2 5 7.5 10 12.5 300 95%
1000 1.5 2.6 4 6 8 10 350 95%
1250 1.2 2 3.2 4.8 6.4 8 375 95%
1500 1 1.7 2.6 4 5.3 6.6 400 95%
        
AC Input Voltage (Vac) Input Current Per Phase (Aac)    
UI (85-265 Vac, 1Φ) 21 - 7 N/A N/A N/A N/A N/A    
UI2 (187-265 Vac, 1Φ) N/A 16 - 12 N/A N/A N/A N/A    
208/240 Vac, 3Φ 6 11 16 24 32 39    
380/415 Vac, 3Φ 5 8 11 16 19 22    
440/480 Vac, 3Φ 4 6 9 14 17 19    

Specifications

The following specifications are subject to change without notice. Unless otherwise noted, all specifications measured at the product's maximum ratings.

AC Input Specifications
Specification Value
1Φ AC Input Voltage
1Φ, 2-wire + ground
85 to 265 Vac (UI: Universal input; 1.5 kW Models)
187 to 265 Vac (UI2: Universal input 2; 2.6 kW Models)
3Φ AC Input Voltage
3Φ, 3-wire + ground
208 Vac (operating range 187 to 229 Vac)
240 Vac (operating range 216 to 264 Vac)
380 Vac (operating range 342 to 440 Vac)
415 Vac (operating range 373 to 456 Vac)
440 Vac (operating range 396 to 484 Vac)
480 Vac (operating range 432 to 528 Vac)
Input Frequency 50 Hz to 400 Hz
Power Factor 0.99 at maximum power for models with 1Φ AC input; Active-PFC
> 0.82 at maximum power for models with 3Φ AC input
AC Input Isolation ±2500 Vac, maximum input voltage to ground
DC Output Specifications
Specification Value
Voltage Ripple Model specific. Refer to chart of available models.
Line Regulation Voltage mode: ± 0.004% of full scale
Current mode: ± 0.02% of full scale
Load Regulation Voltage mode: ± 0.01% of full scale
Current mode: ± 0.04% of full scale
Stability ± 0.10% for 8 hrs. after 30 min. warm-up
Efficiency 84% to 95%
Model specific. Refer to chart of available models.
Maximum Slew Rate
Standard Models
100 ms for an output voltage change from 0 to 63%
100 ms for an output current change from 0 to 63%
Maximum Slew Rate
Models with High Slew Rate Output (+HS) Option
4 ms for an output voltage change from 0 to 63%
8 ms for an output current change from 0 to 63%
Bandwidth
Standard Models
3 Hz with remote analog voltage programming
2 Hz with remote analog current programming
Bandwidth
Models with High Slew Rate Output (+HS) Option
60 Hz with remote analog voltage programming
45 Hz with remote analog current programming
DC Output Isolation
Models Rated ≤1000 Vdc
±1000 Vdc, maximum output voltage to ground
DC Output Isolation
Models Rated >1000 Vdc
±1500 Vdc, maximum output voltage to ground
Programming Interface Specifications
Specification Value
Front Panel Programming Stepless aluminum rotary knobs and keypad
Computer Interface RS232, D-sub DB-9, female (Standard)
LXI TCP/IP Ethernet RJ45 (Option +LXI)
IEEE-488 GPIB (Option +GPIB)
External User I/O Port
Analog and Digital Programming
37-pin D-sub DB-37, female
Referenced to Earth ground; isolated from power supply output
See User Manual for pin layout
Remote Sense Limits (Wired)
Available for models ≤ 1000 Vdc
3% maximum voltage drop from output to load
Accuracy Specifications
Specification Value
Voltage Programming Accuracy ± 0.075% of max rated voltage
Over Voltage Trip Programming Accuracy ± 0.075% of max rated voltage
Current Programming Accuracy ± 0.075% of max rated current
Over Current Trip Programming Accuracy ± 0.075% of max rated current
Voltage Readback Accuracy ± 0.2% of max rated voltage
Current Readback Accuracy ± 0.2% of max rated current
External User I/O Specifications
Specification Value
Analog Programming and Monitoring Levels 0-10 Vdc
Analog Output Impedances Voltage output monitoring: 100 Ω
Current output monitoring: 100 Ω
+10V reference: 1 Ω
Digital Programming and Monitoring Limits Input: 0 to 5 Vdc, 10 kΩ input impedance
Output: 0 to 5 Vdc, 5 mA drive capacity
Physical Specifications
Specification Value
Racking Standard EIA-310
Rear Support Rails Included
Size and Weight
1.5 kW Models
1U
1.75" H x 19" W x 24" D (4.4 x 48.3 x 61.0 cm)
32 lbs (14.52 kg)
Size and Weight
2.6 kW Models
1U
1.75" H x 19" W x 24" D (4.4 x 48.3 x 61.0 cm)
34 lbs (15.42 kg)
Size and Weight
4 kW Models
1U
1.75" H x 19" W x 24" D (4.4 x 48.3 x 61.0 cm)
35 lbs (15.88 kg)
Size and Weight
6 kW Models
1U
1.75" H x 19" W x 24" D (4.4 x 48.3 x 61.0 cm)
35 lbs (15.88 kg)
Size and Weight
8 kW Models
1U
1.75" H x 19" W x 24" D (4.4 x 48.3 x 61.0 cm)
36 lbs (16.33 kg)
Size and Weight
10 kW Models
1U
1.75" H x 19" W x 24" D (4.4 x 48.3 x 61.0 cm)
37 lbs (16.78 kg)
Environmental Specifications
Specification Value
Ambient Operating Temperature -25°C to 50°C
Storage Temperature -25°C to +85°C
Humidity Relative humidity up to 95% non-condensing
Temperature Coefficient 0.04%/°C of maximum output voltage
0.06%/°C of maximum output current
Air Flow Side air inlet, rear exhaust
Regulatory Specifications
Specification Value
EMC Complies with 2014/30/EU (EMC Directive)
CISPR 22 / EN 55022 Class A
Safety NRTL Listed, Intertek Control Number 5014353
Conforms to UL61010-1:2012 Ed.3+R:29Apr2016
Certified to CSA C22.2#61010-1-12:2012 Ed.3
Complies with EN61010-1 and 2014/35/EU (Low Voltage Directive)
CE Mark Yes
RoHS Compliant Yes

Dimensional Diagrams

The following are vectorized diagrams for the SL Series. Refer to the Downloads section for downloadable drawings.

Front Panel
Top Panel
Rear Side
Rear Panel
Side Panel
Communications Interface
LXI TCP/IP Ethernet Option (+LXI)
Communications Interface
IEEE-488 GPIB Option (+GPIB)

Integrated Options

The following are the standard integrated options available for the SL Series. Refer to the Model Ordering Guide for details on how the option code is specified in the full model number.

Software Add-ons

The SL Series comes standard with control software and drivers available under Downloads. The following are additional software add-ons available.

Accessories

The following is a list of available external accessories for the SL Series.

RS485

RS485 Converter

Order Code: RS485
Industrial RS232 to Addressable RS485 Converter. Plugs into product's RS232 port.
UID46

UID46: Universal Interface Device 46

Order Code: UID46
Master-slave interface device for load sharing. Includes interface device and (2) D-Sub 37 cables.
UID47

UID47: Universal Interface Device 47

Order Code: UID47
Master-slave interface device for load sharing. Includes interface device and (2) D-Sub 37 cables.
USB

USB Edgeport Converter

Order Code: USB
Industrial Plug and Play USB to RS232 Converter. Adapter plugs into product's RS232 port.

Downloads

The following downloads are for the SL Series

Documentation

SL Series Datasheet [4.5.0] [EN] [PDF]
SL Series Datasheet [4.5.0] [ZH] [PDF]
SL Series User Manual [EN] [HTML] [Recommended]

Drawings

Drivers

MagnaDC IVI Driver [1.5.1.0] [MSI]
LabWindows Driver [1.02] [ZIP]

Software

Photovoltaic Power Profiles Emulation [2.0.0.12] [ZIP] [License Required]