Installation guide
3.4 Installing the TIM 3V-IE variants in an S7-300
Station control system
System Manual, 07/2009, C79000-G8976-C178-07
105
S7-300 with access to a classic WAN
To implement classic WAN access for an S7-300, you can use either a TIM 3V-IE or a
TIM 3V-IE Advanced. The following figure shows such a configuration.
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Figure 3-1
SIMATIC S7-300 with TIM 3V-IE with 1 connection to classic WAN over an external MDx
modem
Other modems with an RS-232 interface can also be used, for example wireless devices or
the SINAUT GSM modem MD720-3.
S7-300 with access to IP-based WAN
To implement IP-based WAN access for an S7-300, you can use either a TIM 3V-IE or a
TIM 3V-IE Advanced.
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Figure 3-2
SIMATIC S7-300 with TIM 3V-IE with 1 connection to IP-based WAN
A module is required on the Ethernet interface (RJ-45) of the TIM to link the TIM to an IP-
based WAN. The following are, for example, possible:
●
SCALANCE X switches for twisted-pair or FO cable
●
SCALANCE W wireless devices for data transmission over IWLAN
●
Other wireless devices optimized for Ethernet
●
The SINAUT GPRS modem MD741-1 for mobile wireless data transmission with GPRS
●
The SINAUT GPRS modem MD720-3 for simple Internet communication with an MSC
tunnel (see volume 2 of this manual)
