Pressure Transducers And Current Probes (4-20 Ma); Connection Of The Digital Inputs; Opto-Insulated Digital Inputs (24-230 Vac/Dc) Di1 And Di4; Potential Free Digital Input Di2 And Di3 - Emerson PeC C100 Hardware Implementation Manuallines

4.3.2 Pressure transducers and current probes (4-20 mA)

Two sensors must be connected through one of the inputs (from PB1 to PB2) and the power supply as
shown in the diagram in Figure 13 below. Refer to Tables 3 & 10 for the numbering.
The 2-wire sensors require polarity to be respected (+24 VDC power supply).
Figure 13
4.4

Connection of the digital inputs

The digital inputs in the PeC controllers can be used as potential free digital inputs.

4.4.1 Opto-insulated digital inputs (24-230 VAC/DC) DI1 and DI4

Refer to diagrams in Figures 14 & 15 below and to Tables 3 & 10 for the numbering.
Figure 14: Digital inputs PeC C100 Figure 15: Digital inputs PeC C200
NOTE: For A2L and A3 applications use 24 volts.

4.4.2 Potential free digital input DI2 and DI3

Refer to diagram in Figure 16 below and to Tables 3 & 10 for the numbering.
The function is determined by the configuration (currently not in use).
Figure 16: Digital inputs PeC C100 & C200
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