Technical Specifications Multi-channel digital input, 24V DC signal, backplane bus communication, hot swappable rack card.
Functional Features Field switch state acquisition, signal filtering, channel fault self-test, fault alarm output.
Application Scenarios Chemical plant, oil refinery, power station, industrial process control DCS cabinet.
Performance Parameters High signal sampling stability, channel overvoltage protection, adapt to long-term industrial continuous operation.
Material Composition Flame retardant plastic front panel, fiberglass PCB, metal shielding frame, gold-plated backplane connector.
Structural Characteristics Plug-in rack card structure, front panel LED channel status indicators, rear gold finger for backplane connection.
Working Principle Detect field contact on-off signals, convert physical contact state into digital data and transmit to DeltaV controller through backplane bus.
Installation Requirements Insert into DeltaV system rack, lock module, connect field signal wiring and complete system grounding.
Usage Notes Check channel wiring to prevent short circuit. Replace module under specified hot swap operation procedure.
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