Name: Siemens SIMATIC S7-1200 CP 1243-8 IRC
Brand: Siemens
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Accessories

C.2 Modems and routers

CP 1243-8 IRC

Operating Instructions, 02/2018, C79000-G8976-C385-03

203

C.2.2

MODEM MD720

Article number: 6NH9720-3AA01-0XX0

Figure C-3 MODEM MD720

Use of the MD720

The MD720 is a GPRS/GSM modem for industrial applications.

It is intended for use in SIMATIC S7 stations that are part of a telecontrol or remote

maintenance system and for communication with other stations in the network or an OPC

server in the master station. Depending on the configuration, the control center can be either

TeleControl Server Basic, SINAUT ST7cc, SINAUT ST7sc or SINAUT MICRO SC.

The MD720 supports the following types of communication:

● IP-based communication with the control center using GPRS and the MSC protocol or the

MSCsec secure protocol

● SMS messages from or to a mobile telephone

● CSD communication for maintenance and for data connections

Current manual version and further information on the Internet

You will find the current version of the manual and further information (e.g. FAQs) on the

following Internet page of Siemens Industry Online Support:

Link: (https://support.industry.siemens.com/cs/ww/en/ps/21820/man)

Accessories

For the antenna, refer to the section Antennas (Page 208).

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Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

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