Measurement-computing PCI-PDISO16 User Manual download pdf (Page 17)

PCI-PDISO16 User's Guide Functional Description

Form C relay outputs

The Form C relay has a Common (C), Normally Open (NO) and Normally Closed (NC) contact; see Figure 8.

Figure 8. Form C relay contacts

 When a 0 is written to the output, the relay is not energized, and the common and NC are in contact.

 When a 1 is written to the output, the relay is energized and the common and NO are in contact.

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Measurement-computing PCI-PDISO16 User Manual Page 17