Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2017
архивный
(4872) 700-366
skenergo@mail.ru

MD2 dedicated line modem
  

Interfaces

 
  • Connection for dedicated line

1 x RJ12

  • RS232 connection for data terminal equipment

1 x 9-pin Sub-D connector

  • RS485 connection for data terminal equipment

1 x 9-pin Sub-D socket

  • Connection for supply voltage

1 x 4-pin terminal block

Voltage supply

24 V DC

Current consumption

 
  • from 24 V DC

100 mA

Power loss

2.4 W

Permissible ambient conditions

 
  • Operating temperature

0 °C … +60 °C

  • Transport/storage temperature

-40 °C … +70 °C

  • Relative humidity

max. 95 % at +25 °C

Design

 
  • Module format

Compact module S7-300, double width

  • Dimensions (W x H x D) in mm

80 x 125 x 120

  • Weight

approx. 300 g

Degree of protection

IP20

Transmission path

2-wire, 2 x 2-wire or 4-wire,
twisted pair cable, non-coil-loaded or lightly coil-loaded

Modulation method

Phase-continuous binary frequency modulation (FSK)

Data transmission rates via the dedicated line

1200 bit/s
2400 bit/s
9600 bit/s (not for leased telephone lines)
19200 bit/s (not for leased telephone lines)

Operating mode

 
  • 2-wire or 2 x 2-wire

Half-duplex

  • 4-wire

Duplex or half-duplex

Transmission level can be set to

0 dB
-6 dB
-9 dB (for leased telephone lines)
-15 dB

Receiving level

0 … -43 dB

Adjustable terminating resistor

 
  • for 1200 and 2400 bit/s

600 ohms

  • for 9600 and 19200 bit/s

150 ohms

  • for tapping point

> 6 kOhms

Clear to send

 
  • at 1200 bit/s

after 7 ms

  • at 2400 bit/s

after 4 ms

  • at 9600 and 19200 bit/s

after 0.5 ms

Minimum/maximum scanning frequency

 
  • at 1200 bit/s

1300 Hz/2100 Hz

  • at 2400 bit/s

2400 Hz/3300 Hz

  • at 9600 and 19200 bit/s

20800 Hz/33600 Hz

Asynchronous character format

10 or 11 bit

Floating opto-relay output

 
  • Max. supply voltage

60 V AC/DC

  • Max. perm. continuous current

400 mA

  • Max. Ron

3 ohms

Impulse strength
U1.2/50 acc. to DIN VDE 0804
between power supply circuit and

 
  • Power supply circuit and FSK trunk line circuits

2.5 kV

  • Power supply circuit and opto-relay output

2.5 kV

Compatible with SINAUT modems

 
  • MD100

at 1200 bit/s

  • MD124

at 1200, 2400 and 19200 bit/s

Approvals

EU approval CE 0682 X



















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Арматура DENDOR

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Датчики и измерители

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Регуляторы и регистраторы

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Пневматическое оборудование

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Краны и Клапаны

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Измерительные приборы

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Системы беспроводного управления «умный дом»

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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры

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SKW-FS - Установка умягчения

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SKW-FK - Установка обезжелезивания

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