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Honeywell MC-PDIY22 80363972-150

Product Name: Honeywell Experion PKS Series C Digital Input (DI) Module — 24 VDC, 16/32-Channel Isolated

Product Description: A high-reliability discrete (digital) input module designed for Honeywell Experion PKS C300 controller I/O racks. It acquires 24 VDC ON/OFF signals from field pushbuttons, limit switches, relay contacts, and transmits status to the controller via the I/O link.

Category: Honeywell

Description

Technical Specifications:

Model / Part No.: MC-PDIY22 / 80363972-150
Input Channels: 16 or 32 (depending on firmware/revision; commonly 16 ch isolated or 32 ch grouped)
Input Voltage: 18–30 VDC (ON threshold ≈ 15 VDC), OFF < 5 VDC
Input Current: ~2.5–7 mA per channel @ 24 VDC
Input Impedance: ~3.1 kΩ
Isolation: 500 VAC RMS channel-to-backplane; optical isolation from field to logic
Response Time: < 10 ms (software-filter configurable for debounce)
Backplane Power: Supplied from I/O rack (24 VDC nominal)
Diagnostics: Channel open/short detection, module health reporting
Operating Temp: 0 °C to +60 °C (some sources -40 °C to +70 °C for extended version)
Mounting: Series C I/O slot, hot-swappable
Certifications: CE, UL, cUL, IEC 61326-1EMC

Features:

Individual LED per channel + module status LEDs (OK, FAULT, ACTIVE)
Conformal coating available for harsh environment
Supports both sinking (NPN) and sourcing (PNP) field wiring with proper FTA
Built-in transient suppression (TVS) on each channel

Applications: Motor run feedback, pump status, emergency stop contact monitoring, valve limit switch, interlock confirmation in process DCS.

Construction & Materials: Molded flame-retardant plastic housing, multilayer PCB with optocouplers, gold-plated backplane fingers.

Working Principle: Field voltage applied to terminal → passes through RC filter & optocoupler → digital state latched → periodically read by I/O processor → transmitted to C300 controller.

Installation & Precautions:

Insert only into correct Series C I/O rack slot assigned in Engineering Builder.
Verify FTA (Field Termination Assembly) matches 24 VDC DI type.
Use proper wire gauge (AWG 22–14); tighten terminal screws to spec.
Do NOT apply > 30 VDC to inputs.
For hot-swap replacement: wait for “Module OK” LED after reinsertion before assuming normal operation.
Periodically clean dust from module vents; avoid excessive vibration.

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