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Function The Digital Input 24VDC accepts 24VDC signals as discrete inputs. Notable Features • Extensive internal diagnostics for data integrity • Open wire detection • Optional redundancy • Internal or external field power selection • On board excitation power (no need for marshalling power) • Supplies Non-incendive field power • Direct / Reverse Input Indication • Galvanic isolation Open-wire Bad PV Detection This Series C IO function will be able to detect and annunciate Open field wire. In addition, a seemingly-valid PV from a channel diagnosed as having a Open-wire will provide a status of “invalid” (thus preventing incorrect control action).

Function The Digital Input 24VDC accepts 24VDC signals as discrete inputs. Notable Features • Extensive internal diagnostics for data integrity • NO Open wire detection • Optional redundancy • Internal or external field power selection • On board excitation power (no need for marshalling power) • Supplies Non-incendive field power • Direct / Reverse Input Indication • Galvanic isolation