Introduction to the SINAUT ST7 system
1.5 Mobile wireless components
Station control system
40 System Manual, 07/2009, C79000-G8976-C178-07
Note
The MD720-3 modem is used not only in SINAUT ST7 but also in SINAUT MICRO SC. In
this case, S7-200 stations can transmit data over GPRS using the MD720-3.
Along with the Ethernet TIMs as of firmware version V2.0, the MD720-3 can also transmit
data via GPRS in SINAUT.
In a station, the MD720-3 can be connected to the RS-232 interface of a suitably equipped
TIM module:
● When using CSD: All TIM 3V-IE and TIM 4 variants
● When using GPRS: Connection to any Ethernet TIM
The cable for connecting the MD720-3 must be ordered separately with a TIM.
The MD720-3 can be installed on a 35 mm standard rail.
Figure 1-9 Modem MD720-3
The following figure shows further details of the modem module.
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