Glossary
TIM 1531 IRC
Operating Instructions, 02/2018, C79000-G8976-C468-02
331
Send buffer principle
Image memory / send buffer principle
SIM card
SIM - Subscriber Identity Module
The SIM card is an identification card for a subscriber of a mobile wireless service.
Simple Internet communication
In SINAUT ST7, simple Internet communication means data exchange between TCP/IP-
compliant devices in Ethernet, landline or mobile networks using the MSC protocol.
SINAUT
Siemens Network Automation
Station control system or telecontrol system based on SIMATIC S7.
SINAUT ST7 works with the SINAUT ST7 telecontrol protocol.
SINAUT object
A SINAUT object contains the data of one or more process variables such as analog values,
commands, calculated values, status information on motors, sliders etc. An ST7 object has
type-specific processing functions and change checks assigned to it to minimize the
communication traffic in the WAN. Type-specific processing functions include, for example,
threshold checks or mean value calculation with the object type for analog values. The
change check is designed so that a message is generated only when the object data has
changed compared with the last time its value was transferred or when the type-specific
processing enables generation of a message because the object data is "worth" transferring.
SINAUT ST7
Proprietary telecontrol protocol for SIMATIC NET telecontrol modules
SINAUT ST7cc
Control center system based on SIMATIC WinCC for SINAUT ST7.
SINAUT ST7sc
System for networking SIMATIC stations with a control station via WAN. The control center
can also be a SIMATIC station or a PC-based control center, for example, WinCC with the
SINAUT ST7cc add-on.
