Technical Specifications Backplane powered. 16 digital input channels. 120V AC input specification. Group isolation design. Operating temperature:0°C ~ +60°C.
Functional Features AC discrete signal acquisition. Input noise filtering. Per-channel LED status indicator. Overvoltage protection.
Application Scenarios Petrochemical, water treatment, power auxiliary system, old Modicon PLC system field switch signal collection.
Performance Parameters Stable AC signal detection, good noise immunity. Operating temperature:0~+60°C.
Structural Characteristics Rack plug-in module, front wiring terminal block, backplane bus connector, AC signal detection circuit.
Working Principle Detect AC on-off signals from field switches and contactors, convert to digital status and send to Modicon PLC CPU for logic processing.
Installation Requirements Insert module into Modicon rack. Connect 120V AC field wiring. Configure channel definition in PLC software.
Usage Notes Pay attention to high voltage wiring safety. Inspect wiring insulation regularly.
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