Siemens SIMATIC ET 200PA SMART - Page 167

The parameter assignment is made via HW Config as “4WMT current”
The 4-wire transducers have a separate supply voltage.
You can also use a 2-wire transducer with separate fused supply. This is shown in the figure
below using channel 5 as an example.
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① Group error display - red (SF LED)
Figure 10-10 Module view and block diagram of the AI 8 x 16 Bit in 4-wire transducer mode
ET 200PA SMART I/O modules
10.4 Analog input modules
ET 200PA SMART
Operating Instructions, 06/2019, A5E34192013-AB 167