DXMP-300
DXMP-300-2
DXMP-300-1
DXMPpowersupply-1
DXMPpowersupply-3
DXMPpowersupply-5
DXMPpowersupply-2
DXMPpowersupply-4
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DXMP Series Bipolar Constant Current Power Supply

Product Overview:

 

The output current of the power supply can continuously change between the positive and negative rated current extreme values, and the current smoothly and continuously crosses zero, allowing the electromagnet or coil to generate a smooth and stable magnetic field.
With the company's high-precision Gaussmeter and probe (optional), the power supply can work in magnetic field mode. In the magnetic field mode, you can directly set the magnetic field value, and the power supply will adjust the output current to make the electromagnet quickly reach the set magnetic field, which is convenient and fast, and the magnetic field is stable.
The field can be controlled individually at will, or the magnetic field can be scanned continuously.
The current mode and magnetic field mode can be switched at any time according to needs, and the operation is flexible.

 

 

Features:

 

1. The output current of the bipolar constant current output source can continuously vary between positive and negative rated current extremes.

 

  • The current smoothly crosses zero without breakpoints and non-switching commutation;
  • Output current and voltage four-quadrant operation (suitable for inductive loads);
  • The current change rate can be set in the range of 0.0007~0.3 F.S./s (F.S. is the rated output current extreme value);
  • AC input, single-phase 220V±10% (50Hz/60Hz) or three-phase 380V±10% (50Hz/60Hz);
  • The output voltage range is 0 - ±200V, the output current range is 0 - ±1000A, and the maximum output power is 200KW.

 

2. High current stability and low ripple.

 

  • Current stability: better than ±50ppm/h (standard type); better than ±5ppm/h (high stability type);
  • Current accuracy: ± (0.01% set value + 1mA);
  • Current resolution: 20 bit, for example 15A power supply, current resolution is 0.03mA;
  • Source effect: ≤ 2.0×10-5 F.S. (output current change when supply voltage changes by 10%);
  • Load effect: ≤ 2.0×10-5 F.S. (output current change when load changes by 10%);
  • Current ripple (RMS): less than 1mA.

 

3. Two output modes.

 

  • Current mode: directly set the current in the magnet or coil;
  • Magnetic field mode: directly set the size of the magnetic field in the magnet or coil;
  • Closed loop adjustment mode, constant magnetic field value;
  • Note: The magnetic field mode needs to be matched with our company's high-precision Gaussian meter and probe.

 

4. Two modes of operation.

 

  • Local control adopts high-definition touch screen display and operation;
  • The remote can be controlled by the computer through RS232 interface, RS485, LAN and USB are optional.

 

5. Multiple protection functions.

 

  • Input power supply power-off protection (when the input power supply is powered off, internal protection absorbs the inductive load back feed energy);
  • Overcurrent protection (automatic current reduction, uncontrollable overcurrent will shut down the power output and alarm).

 

 

Technical parameters

 

Air-cooled series power supply

 

Model

DXMP - 4/80

DXMP - 5/80

DXMP - 5/120

DXMP - 10/40

DXMP - 10/80

DXMP - 10/120

Output

Output Type

bipolar constant current output

Rated current

± 5A

± 10A

Rated voltage

± 40V

± 80V

± 120V

± 40V

± 80V

± 120

current stability

Standard is better±50ppm/h; high stability type is better±5ppm/h

Current accuracy

±(0.01 percentSetpoint+ 1mA)

 

Current Resolution

20 bit

0.01mA

0.02mA

source effect

≤ 2.0 × 10-5F.S. (change in supply voltage 10%)

load effect

≤ 2.0 × 10-5F.S. (change in load 10%)

current ripple (RMS)

1mA

1mA

Current change rate

Setting Range

0.0007~0.3 F.S./s

Factory Value

0.5A/s

1A/s

 

 

Input

Power supply mode

single-phase three-wire

voltage

220VAC ± 10%(50/60Hz)

power(KVA)

0.3

0.6

0.8

0.6

1.1

1.5

Load Requirements

resistance

≥ 0.6Ω

≥ 2.0Ω

≥ 4.0Ω

≥ 0.6Ω

≥ 2.0Ω

≥ 4.0Ω

inductance

0~1H

Environment

working temperature

0~30 ℃

Working humidity

20~90%RH

Cooling

cooling method

air-cooled

Built-in Gaussian

meter (option)

Measurement range(Gs)

0 ~± 30000

Communications

Communication Interface

RS232(RS485, LAN, USB optional)

Electrical

input wire diameter

10A standard power cord

Connection

Output wire diameter

≥1mm2

≥2.5mm2

Dimensions

L*W*H

(mm)

520*445*177 (4U Chassis)

Weight

17kg

19kg

21kg

17kg

19kg

21kg

 

 

Model

DXMP - 15/40

DXMP - 15/80

DXMP - 15/120

DXMP - 20/40

DXMP - 20/80

DXMP - 20/120

DXMP - 25/40

DXMP - 25/70

Output

Output Type

bipolar constant current output

Rated current

± 15A

± 20A

± 25A

Rated voltage

± 40V

± 80V

± 120V

± 40V

± 80V

± 120V

± 40V

± 70V

current stability

Standard is better±50ppm/h; high stability type is better±5ppm/h

Current accuracy

±(0.01 percentSetpoint+ 1mA)

 

Current Resolution

20 bit

0.03mA

0.04mA

0.05mA

source effect

≤ 2.0 × 10-5F.S.(change in supply voltage 10%)

load effect

≤ 2.0 × 10-5F.S.(change in load 10%)

current ripple

(RMS)

1mA

1mA

1mA

Current change rate

Setting Range

0.0007~0.3 F.S./s

Factory Value

1.5A/s

2.0A/s

2.5A/s

Input

Power supply mode

single-phase three-wire

voltage

220VAC ± 10%(50/60Hz)

power(KVA)

0.9

1.5

2.2

1.2

2.1

3.0

1.4

2.2

Load Requirements

resistance

≥ 0.6Ω

≥ 2.0Ω

≥ 4.0Ω

≥ 0.6Ω

≥ 2.0Ω

≥ 4.0Ω

≥ 0.5Ω

≥ 1.0Ω

inductance

0~1H

 

Environment

working temperature

0~30 ℃

Working humidity

20~90%RH

Cooling

cooling method

air-cooled

Built-in Gaussian

meter (option)

Measurement range (Gs)

0 ~± 30000

Communications

Communication Interface

RS232(RS485, LAN, USB optional)

Electrical connection

input wire diameter

10A standard power cord (input> 2KVA, 16A power cord)

Output wire diameter

≥ 4mm2

≥ 4mm2

≥ 6mm2

Dimensions

L*W*H

(mm)

520*445*177 (4U Chassis)

Weight

17kg

19kg

21kg

18kg

20kg

22kg

19kg

21kg

 

 

Water-cooled series power supply

 

Model

DXMP - 50/60

DXMP - 70/50

DXMP - 90/70

DXMP - 130/130

DXMP - 200/150

DXMP - 400/150

DXMP - 1000/100

Output

Output Type

bipolar constant current output

Rated current

± 50A

± 70A

± 90A

± 130A

± 200A

± 400A

± 1000A

Rated voltage

± 60V

± 50V

± 70V

± 130V

± 150V

± 150V

± 100V

current stability

Standard is better±50ppm/h; high stability type is better±5ppm/h

Current accuracy

±(0.01 percentSetpoint+ 1mA)

 

Current Resolution

20 bit

0.1mA

0.13mA

0.17mA

0.25mA

0.4mA

0.8mA

2.0mA

source effect

≤ 2.0 × 10-5F.S.(change in supply voltage 10%)

load effect

≤ 2.0 × 10-5F.S.(change in load 10%)

current ripple

(RMS)

2 mA

2 mA

2 mA

3 mA

4 mA

10 mA

20 mA

Current change rate

Setting Range

0.0007~0.3 F.S./s

Factory Value

5A/s

7A/s

9A/s

13A/s

20A/s

20A/s

20A/s

 

 

Input

Power supply mode

three-phase five-wire

voltage

380AC ± 10%(50/60Hz)

power(KVA)

4.0

5.5

8.1

20

36

72

122

Load Requirements

resistance

≥ 0.2Ω

≥ 0.1Ω

≥ 0.1Ω

≥ 0.2Ω

≥ 0.2Ω

≥ 0.1Ω

≥ 0.02 Ω

inductance

0~1H

Environment

working temperature

0~40 ℃

Working humidity

20~80%RH, non-condensing

 

 

Cooling

cooling method

water cooling

refrigeration power

0.8 KW

0.8 KW

1 KW

1.5 KW

2.2 KW

4.5 KW

11 KW

water flow

≥3 L/min

inlet water temperature

18~25 ℃(related to ambient temperature and humidity)

Built-in Gaussian

meter (option)

Measurement range(Gs)

0 ~± 30000

Communications

Communication Interface

RS232(RS485, LAN, USB optional)

Electrical connection

Input Wire Diameter

≥ 2.5mm2

≥ 4mm2

≥ 10mm2

≥ 16mm2

≥ 35mm2

≥ 70mm2

Output wire diameter

≥ 16mm2

≥ 25mm2

≥ 35mm2

≥ 50mm2

≥ 70mm2

≥ 150mm2

≥ 500mm2

Dimensions

L*W*H(mm)

520*445*445(10U Chassis)

Cabinet

Weight

60kg

60kg

60kg

to be measured

 

 

Remarks

 

  1. Current stability refers to the relative change in current under the conditions of full-scale current output, power supply preheating time greater than 30 minutes, and measurement time no less than 1 hour.
  2. Basic testing software is provided free of charge. (Remote input current, set magnetic field) Additional functions need to be charged separately!
  3. The output ripple of the current is the effective value of the AC component of the output current measured using KEITHLEY2700.

 

 

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User Manual of DXMP-300 Power Supply

This bipolar source is a highly stable bipolar constant current power supply, which is widely used in the excitation of inductive loads such as electromagnets and Helmholtz coils. The power supply adopts a linear power supply structure, with high output current stability, low ripple and noise.
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