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Figure 3-23
SINAUT ST7cc / ST7sc control center systems and SIMATIC S7-400 with TIM 4 on MPI bus,
2 connections to WAN via MDx (1) and MDx (2) modems
Note
The S7-400 is not required as a primary telecontrol master for ST7cc / ST7sc! Both devices
are supplied directly with data by the TIM 4 independent of each other.
The maximum number of TIM 4 modules that can be connected to a SINAUT ST7cc / ST7sc
control center system depends on the MPI interface card used in ST7cc / ST7sc.
SINAUT ST7 station control system
System Manual, 09/2016, C79000-G8976-C178-10
3.5 Standalone TIM 4 with an S7-400 or PC
Installation guide
119
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