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DC/DC converter ЭнИ-860

Category: Voltage converter
Price: 3 990,00 руб. без НДС

DC voltage 20...36 V conversion into a stabilized DC voltage regulated from 23.5 up to 24.5 V with a maximum load current 2 A.

  • High performance efficiency, at least 94%;
  • Output voltage instability, 0.1 %;
  • Operation within a wide temperature range from -40 to +55 °С;
  • Power 60 W;
  • Overload, short circuit and reverse polarity protection;
  • Output voltage indication;

By the customer’s order the converters can be manufactured with other inout and output voltages.

Use Secondary equipment

The ЭнИ-860 voltage Converter (DC/DC Converter) is designed to power low-power consumers from non-stabilized power sources or from power buses if consumers are spatially disconnected:

  • controllers';
  • heat sinks;
  • normalizing converters;
  • I/o modules;
  •  flowmeters';
  • programmable relay;
  • gauges – regulators;
  • modems and others.

In the case when the input voltage is higher than the voltage set at the output of ЭнИ-860, the device operates as a step down Converter. When the input voltage is lower than the output - automatically starts to work as a step-up Converter.

Example of power on from the power bus

Example of switching on the Converter (Converter) voltage ЭнИ-860 from the power bus

Battery activation example

Example of switching on the Converter (Converter) voltage ЭнИ-860 from the battery

A converter Voltage consists of:

  • input reverse polarity protection block;
  • input and output disturbance filters;
  • impulse-regulated voltage converter.

Functional diagram ЭнИ-860

VD1 — reverse polarity protection;

C1,C2 — input and output disturbance filters;

R1,R2 — resistors setting up output voltage;

DC/DC — impulse regulated converter.

At the negative voltage on the input "+" a diode VD1 is closed preventing the converter failure.

Condensers C1 and C2 serve as input and output disturbance filters. From the divider R1 and R2 a part of output voltage flows to the control input of the converter where it is compared with a reference voltage. On the voltage difference an output voltage control signal is generated.

The required output voltage setting is performed by the resistor R2. The resistance values of the divider R1 and R2 are selected in such a way that, at the change of the resistance of the resistor R2 from the minimum to its maximum, the output voltage value changes within the limits ±0.5 V of DC nominal voltage.

Key technical characteristics

D.C. input voltage, VNominal D.C. output voltage, VPower, WMaximum load current, APerformance efficiency, %, not lessWeight, kg, not more
20…36 24 60 2 94 0,15

Technical Characteristics

ParameterValue
Output voltage instability,% 0,1
The change of the output voltage value at the maximum load current induced by the change in the input supply voltage within permissible limits, %, of the voltage set value not more than ± 0,1
The change of the output voltage value induced by the change in the load current from 0 up to the maximum value, %, of the voltage set value not more than 0,1
Output voltage pulsation (peak-peak), mV, at the maximum load current not more than 200
The change of the output signal value induced by the change in the ambient temperature within the range of operating temperatures, %, of the voltage set value for every 10 °С нnot more than ± 0,5
Structural design plastic body frame to be mounted on a DIN-rail NS35\7,5
Weight, kg not more than 0,15

Overall dimensions

Overall dimensions ЭнИ-860

1 — LED of output voltage indication:

  • — on - voltage at the unit output is OK;
  • — off - failure, reverse polarity, short circuit or channel overload;

2 — terminal blocks DG128-5.0-02P to connect output voltage;

3 — resistor to regulate output voltage;

4 — terminal blocks DG128-5.0-02P to connect input voltage;

5 — warranty label;

6 — warranty label

Electric connection diagram

Electric connection diagram ЭнИ-860

 

ParameterValue
Ambient temperature, °С -40…+55
In terms of climatic effect resistance at operation corresponds to the version group, under GOST R 52931 С3
In terms of mechanical impact resistance at operation corresponds to the version group, under GOST R 52931 L3
Ingress protection level, under GOST 14254 IP20

Warranty liabilities

ParameterValue
Warranty operating life, months 36 months since the commissioning date but no more than 42 months since the date of manufacture

Contents of delivery

NameDesignationNumberNote
Voltage converter ЭнИ-860   1 in compliance with the order

Data Sheet

Operation manual

  1  
DIN rail NS35\7,5 m by order

Designations at the order

ЭнИ-860360
1 2
  1. Name.
  2. Additional technological no-failure operating time up to 360 hours.

 

PositionCost, VAT exclusive, rub.
ЭнИ-860 3990

DC/DC converter ЭнИ-860

Conversion of DC voltage 20 ... 36 V to a stable DC voltage, adjustable from 23.5 to 24.5 V, with a maximum load current of 2 A.
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