MD720 GSM/GPRS, 2G modem

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  MD720 GSM/GPRS, 2G modem

  The MD720 GSM/GPRS, 2G modem transmits the text messages into the GSM network of the mobile radio operator. By inserting any SIM card into the MD720 GSM/GPRS, 2G modem, it is possible to freely select the required mobile radio operator.

  With Easy Message the SINUMERIK 828D BASIC/828D CNCs provide a means of transmitting process data using text messages (SMS). This makes it possible to send messages to various mobile phones of the operating and maintenance personnel to notify them, for example, of the workpiece counter reading or the fact that a tool has reached its wear limit.

  Дизайн

  The MD720 GSM/GPRS, 2G modem features the following interfaces as standard:

  • 9-pin Sub-D socket for connection to the CNC (RS232C interface)
  • 4-pin screw terminal for connection to a 24 V DC supply voltage
  • SMA antenna connection socket for GSM/GPRS antenna
  • Slot for inserting a GSM-SIM card

  The MD720 GSM/GPRS, 2G modem has diagnostic LEDs for modem status, field strength and connection control.

  Easy Message provides the following functions:

  • Input of PIN number
  • Configuration of user profiles
  • Display of modem status and field strength
  • Generation of outgoing text messages (SMS)
  • Processing of incoming text messages (SMS)
  • Visualization of transmission protocol

  Интеграция

  The MD720 GSM/GPRS, 2G modem can be used for the following CNCs:

  • SINUMERIK 828D BASIC
  • SINUMERIK 828D

  The following components can be connected:

  • Modem cable for RS232C interface
  • ANT 794-4MR antenna

  Особенности

  • Rugged GSM modem for industrial use
  • High-quality signal transmission thanks to powerful external antenna
  • Simple mounting on standard mounting rails in the control cabinet or operator panel housing

  Технические данные

  Article No.	6NH9720-3AA01-0XX0
  Short product code	MD720
  Product designation	GSM/GPRS, 2G mobile network modem
  Supply voltage at DC	24 V
  Power loss, typical	5 W
  Transfer rate with GSM transmission	9600 bit/s
  With downlink maximum	54 kbit/s
  With uplink maximum	42 kbit/s
  Operating frequency with GSM transmission	850/900/1800/1900 MHz
  Interfaces
  RS232C	9-pin Sub-D socket
  Antenna	SMA antenna socket (50 Ω)
  Power supply	4-pin terminal strip
  Degree of protection	IP30
  Maximum relative humidity at 25 °C (77 °F)	95 %
  Ambient temperature, during
  Storage	-25 ... +85 °C (-13° to 185 °F)
  Transport	-25 ... +85 °C (-13° to 185 °F)
  Operation	-20 ... +60 °C (-4° to 140 °F)
  Width	30 mm (1.18 in)
  Height	100 mm (3.94 in)
  Depth	90 mm (3.54 in)
  Net weight	150 g (5.29 oz)
  Certificate of suitability	CE, CSA, UL
  Wireless approvals	Current approvals can be found on the Internet at http://www.siemens.com/mobilenetwork-approvals

  
  
  

  Дальнейшая информация

  You can find additional information on the Internet at:

  http://www.siemens.com/industrymall