System components: Field controller SFC173

The SFC173 Field Controller together with a backplane power supply form the basic controller assembly. It is connected to PROFIBUS PA via a segment coupler or link. Remote I/O can be used for integrating conventional discrete and analog as well as HART signals. The Field Controller supports continuous, discrete and hybrid control with up to 250 function blocks. Five of these are always required by the controller and max. 50 can be hybrid blocks. In normal operation, the Field Controller acts as PROFIBUS Master Class 1 to the connected PROFIBUS DP segment. The SFC173 Field Controller also has a CommDTM that allows the parametrization of the connected devices with FieldCare asset management tool.

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