Technical Specifications
Number of input channels: 16. Input type: 24V DC sourcing. Input voltage range: 10V to 32V DC. ON-state threshold: 10V DC. OFF-state threshold: 5V DC. Input delay: 1ms typical. Isolation: 500V AC channel-to-bus. Backplane current: 250mA @ 5V DC. Power dissipation: 1.25W maximum. Operating temperature range: 0°C to +60°C.
Functional Features
Sixteen high-density DC input channels maximize discrete input capacity per slot. Opto-isolated inputs provide galvanic isolation from field circuits. Built-in input filtering eliminates contact bounce and electrical noise. Per-channel status indicators provide real-time input state visualization. Hot-swap capability supports online module replacement.
Application Scenarios
It is used for equipment status monitoring, limit switch detection, contactor auxiliary feedback, solenoid status sensing and general discrete signal acquisition in turbine control systems and power plant automation.
Performance Parameters
Input response time: 1ms typical. Input voltage range: 10-32V DC. Channel-to-channel isolation: 500V AC. Operating temperature range: 0°C to +60°C. Vibration resistance: 2G @ 10Hz to 500Hz. Shock resistance: 30G.
Material Composition
Housing: UL 94 V-0 flame-retardant plastic. PCB: FR-4 glass epoxy substrate. Input circuits: opto-couplers for galvanic isolation. Connectors: gold-plated copper alloy.
Structural Characteristics
It features standard Mark V module form factor, front panel channel status LEDs, rear backplane connector, and card guide rails for chassis mounting.
Working Principle
It receives discrete DC voltage signals from field devices, conditions and filters the signals through opto-isolation circuits, converts them to logic-level digital signals, and transmits the channel status data to the Mark V controller via the system backplane for logic processing and equipment monitoring.
Installation Requirements
Install in any available Mark V chassis I/O slot. Group input wiring by common voltage reference. Use appropriately sized copper wire for field connections. Ensure reliable protective grounding.
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