Siemens SINAUT MD720-3 System Manual page 12

Introduction
OPC-Modus
The SINAUT MD720-3 transmits data over via a GSM radio network (Global
System for Mobile Communication).
using GPRS (General Packet Radio Service) between S7-200 devices and an
OPC server SINAUT MICRO SC,
using SMS from a S7-200-device to any remote station, which can receive
SMS.
Therefore the SINAUT MD720-3 will be configured by program building blocks of
the connected PLC. The SINAUT MD720-3 establishes autonomous the radio data
connection via GPRS between a S7-200 device and the OPC server SINAUT
MICRO SC.
Notice
You will find information about the OPC Mode in the system manual of the SINAUT
MICRO SC.
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SINAUT MD720-3
C79000-G8976-C211