Interface converters ЭнИ-401(RS-232 - RS-485), ЭнИ-402 and ЭнИ-402БП (USB - RS-485)

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The interface converter ЭнИ-401 is intended for a mutual conversion of signals of the interfaces RS-232 and RS-485 with a galvanic separation of inputs between each other and supply mains. Supports any data protocols the physical implementation of which is based on the interfaces RS-232 and RS-485. The data exchange direction is automatically determined, the leading device in the exchange is always a device with RS-232. The data exchange rate and transmission format (parity bit, stop bit) are set up directly in the device with the help of switchers.

The interface converter ЭнИ- 402БП is intended for a mutual conversion of signals of the interfaces USB and RS-485 with a galvanic separation of inputs between each other and supply mains. The data exchange direction is automatically determined, the leading device in the exchange is always a device with USB. The data exchange rate and transmission format (parity bit, stop bit) are set up programmably.

The interface converters ЭнИ-402 are also intended for a mutual conversion of the signals of the interfaces USB and RS-485 with a galvanic separation of inputs between each other. Their difference from the converters ЭнИ-402БП consists in the absence of a built-in power supply source. The converter power supply is conducted from the USB port at a personal computer. Recommendations on Layout of Main RS-485.

  • Mutual conversion of the signal interface RS-232, RS-485 and USB.
  • Galvanic interface separation;
  • Automatic set-up of data transmission direction;
  • Built-in terminating resistors;
  • Supply from a USB bus or device supply at the RS-485 line from a built-in power supply source.

Manufactured in accordance with the technical conditions EI.119.000.000 TC

Использование Secondary equipment

Two modifications of manufactured converters ЭнИ-401 and ЭнИ-402БП are equipped with a built-in impulse power source with an output voltage 12 V and require the availability of a supply main ~220 V. The built-in power source have an output for the supply of connected devices (on the interface line RS-485). A maximum load current of the power source shall not exceed 1 A.

Основные технические характеристики

CharacteristicsInterface converter
ЭнИ-401ЭнИ-402БПЭнИ-402
A.C. supply voltage range, V 154...286 USB power supply
A.C. supply voltage frequency, Hz 45...55
Direct current line supply voltage, V 12
Load current, A до 1
Interface RS-485
Exchange rate, Kbit/sec 2,4; 4,8; 9,6; 14,4; 19,2; 28,8; 38,4; 57,6; 76,8; 115,2 0,3; 0,6; 1,2; 1,8; 2,4; 4,8; 7,2; 9,6; 14,4; 19,2; 38,4; 57,6; 115,2; 230,4; 460,8; 921,6
Used lines А(D+), В(D-), common wire,power supply source output (+12 В) А(D+), В(D-), common wire
Communication line length, m up to 1200
Number of devices in the network up to 32
Интерфейс RS-232
Exchange rate, Kbit/se 2,4; 4,8; 9,6; 14,4; 19,2; 28,8; 38,4; 57,6; 76,8; 115,2
Used lines RxD, TxD, GND
Communication line length, m до 15
Interface USB
Exchange rate, Kbit/sec 0,3; 0,6; 1,2; 1,8; 2,4; 4,8; 7,2; 9,6; 14,4; 19,2; 38,4; 57,6; 115,2; 230,4; 460,8; 921,6
Communication line length, m up to 2
Consumption current from USB, mA up to 50 up to 100
Overall dimensions, mm 95×51×32 92×51×32 92×51×25
Weight, kg 0,1 0,1 0,05

ЭнИ-401

ЭнИ-401

1 — plastic body frame;
2 — connector DB9F intended to connect a converter to the device with the interface RS-232;
3 — connector DB9М intended to connect a device with the interface RS-485 to a converter;
4 — main cable to connect to a supply main ~220 V, 50 Hz;
5 — сLEDs indicating data receipt/transmission;
6 — LED indicating the converter power supply up;
7 — jumper 6cb to connect a resistor of 120 Om.

ЭнИ-402

ЭнИ-402

1 — plastic body frame;
2 — connector miniUSB to connect a converter to the PC;
3 — connector 2EDGR-5.0-03P to connect the device with the interface RS-485 to the converter;
4 — LEDs indicating data receipt/transmission;
5 — LED indicating the converter power supply up.

ЭнИ-402БП

ЭнИ-402БП

1 — plastic body frame;
2 — connector DB9F intended to connect a converter to the device with a PC;
3 — connector 2EDGK-5 intended to connect a device with the interface RS-485 to a converter;
4 — main cable to connect to a supply main ~220 V, 50 Hz;
5 — LEDs indicating data receipt/transmission;
6 — LED indicating the converter power supply up.

Electric connection diagram for EnI-401

Electric connection diagram for ЭнИ-401

Note— the connector is installed on the terminating unit in the main RS-485 to connect a terminating resistor 120 Om.

Electric connection diagram for EnI-402

Electric connection diagram for ЭнИ-402

Electric connection diagram for ЭнИ-402БП

Electric connection diagram for ЭнИ-402БП

 

ParameterValue
Ambient temperature, °С −25...+65
In terms of climatic effect resistance at operation corresponds to the version group, under GOST R 52931–2008 С3
Ingress protection level, under GOST 14254–96 IP30

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

Name Designation Number Note
Interface converter EnI-401, EnI-402BP, EnI-402 ЭИ.119.000.00 1 in compliance with the order
Data sheet, Operation manual ЭИ.119.000.00ПС 1  
Disc with software   1 only with ЭнИ‑402, ЭнИ‑402БП
USB cable ЭИ.119.000.00ДО 1 only with ЭнИ-402, ЭнИ‑402БП
Cable RS-232 (modem 9М-9F) ЭИ.119.000.00ДО 1 only with ЭнИ-401
Housing DP-9C ЭИ.119.000.00ДО 1 only with ЭнИ-401
Connector (socket) DB-9F ЭИ.119.000.00ДО 1 only with ЭнИ-401
Jumper 6cb ЭИ.119.000.00ДО 1 only with ЭнИ-401
Connector 2EDGK-5.0-03P ЭИ.119.000.00ДО 1 only with ЭнИ-402
Connector 2EDGK-5.0-04P ЭИ.119.000.00ДО 1 только с ЭнИ-402БП

Designations at the order

ЭнИ-401360
1 2
  1. Name.
  2. Additional technological no-failure operating time 360 hours.

 

PositionCost, VAT exclusive, rub.
ЭнИ-402 1600

Interface converters ЭнИ-401(RS-232 - RS-485), ЭнИ-402 and ЭнИ-402БП (USB - RS-485)

Interface converters RS-232 - RS-485, with built-in power supply
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Обработка персональных данных включает согласие с Пользовательским соглашением и Политикой конфиденциальности и Вы принимаете их условия.