Installation guide
3.5 Installing the TIM 4R-IE in an S7-300
Figure 3-10
114
TIM 4R-IE in a master station or node station, redundant connection to subsidiary
station; one path as dedicated line, the second over GPRS and Internet
Master station
or
Node station
GPRS
Station
System Manual, 07/2009, C79000-G8976-C178-07
Internet
Station control system