mst systemtechnik –
SMS
GSM
GPRS
Internet
Central level
Object level
Communication level
Laptop
Laptop
Workstation
Firewall
System monitoring
Backup server
Energy management
Alarm server
Portal server (SSL)
Authentication server
SMS server
Management system
(virtual PCs)
EDL-Portal
Router
Router
PC and management system
Controllers
Facility
Facility
SMS box
Medium and small facilities
Large facility
Automation level
Field level
1,2,3,4 6,7,8,9,10,11,12