Product Short Description
Product Introduction: Termination block for 32-channel dry contact discrete input card, collects passive contact signals from field limit switches, proximity sensors.
Technical Specifications
- Channel Quantity: 32 dry contact discrete input channels
Description
- Signal Type: Passive dry contact, no field power required
- Input Scan Cycle: Configurable from 10ms to 1000ms
- Isolation: Channel group isolation
Function Features
- Debounce filtering configurable to eliminate contact bounce interference
- Open circuit detection function
Working Principle: Detect on/off state of field passive dry contacts, convert contact state into digital signal and transmit to matched DI card.
Material & Structure: Flame retardant reinforced plastic housing, tin-plated terminal contacts.
Installation Requirements: Maintain separation between AC power cables and discrete input field wiring.
Application Scenarios: Equipment limit switch monitoring, safety barrier contact feedback, valve position feedback signal collection.
Usage Notes: Prevent leakage current causing false contact triggering.
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