Technical Specifications Backplane power supply. Multi-channel relay contact output. Dry contact design. Channel isolation. Operating temperature:0°C ~ +60°C.
Functional Features Relay contact on-off output. Channel fault diagnosis. Dry contact no external power required for contact side. LED channel status indication. Hot swap support.
Application Scenarios Chemical, oil & gas, power plant safety interlock, emergency shutdown auxiliary relay, valve and motor discrete control.
Performance Parameters Reliable dry contact switching, isolation between channels. Operating temperature:0~+60°C.
Structural Characteristics DCS rack plug-in module, front terminal block for field contact wiring, backplane bus connector, relay drive circuit.
Working Principle Receive digital command from DCS controller, drive internal relay to close or open dry contact, control field interlock circuit and auxiliary equipment.
Installation Requirements Insert module into CENTUM VP rack. Wire field contact circuit to terminal block. Configure channel logic in DCS engineering software.
Usage Notes Observe relay contact rated voltage and current. Protect contacts from arc damage for inductive loads.
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