Technical Specifications Multi-channel digital input, 24V DC field signal, backplane communication, rack mount plug-in structure.
Functional Features Field switch signal acquisition, signal filtering, channel self-diagnosis, fault indication.
Application Scenarios Power plant, oil and gas, chemical industry, industrial process DCS signal monitoring cabinet.
Performance Parameters High signal sampling stability, built-in surge suppression, wide working temperature range.
Material Composition Flame retardant plastic housing, fiberglass PCB, metal shielding frame, gold-plated backplane connector.
Structural Characteristics Card type rack installation, front LED indicator lights, rear gold finger for backplane bus interface.
Working Principle Detect the on-off state of field contact signals, convert them into digital data and transmit to system controller via backplane bus.
Installation Requirements Install in designated rack slot, lock the module firmly, use shielded cables for field signal wiring.
Usage Notes Prevent wiring short circuit. Do not touch gold finger directly to avoid oxidation and poor contact.
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