Honeywell CC-PDIL01 51405040-175 Digital Input Module 24V @24VDC 95mA

Honeywell CC-PDIL01 Part No. 51405040-175 Digital Input 24V Module @24VDC 95mA

The Honeywell CC‑PDIL01 51405040-175 is a rugged 16-channel digital input module engineered for high-speed, high-reliability signal acquisition in mission-critical process-control systems. Designed for seamless integration with Honeywell Experion PKS C300 controllers, the module mounts directly into any standard Series C I/O rack and communicates across the fault-tolerant Control Firewall (CF9) network. Each channel accepts 24 V DC dry-contact or solid-state signals across an 18 V to 30 V operating range, drawing only 4 mA per input while delivering <10 ms response times for real-time monitoring of field devices such as pushbuttons, limit switches, proximity sensors and relay contacts.

Built for 24/7 operation in harsh industrial environments, the CC‑PDIL01 offers 1500 V AC galvanic isolation between field wiring and system backplane, preventing ground-loop noise and protecting downstream control hardware. On-board LED indicators provide immediate visual confirmation of every channel’s state, simplifying commissioning and on-site troubleshooting. Redundant 5 V DC power is supplied through the backplane, eliminating additional power supplies and reducing wiring complexity. The wide operating temperature range of 0 °C to +60 °C, combined with conformal-coated circuitry, ensures reliable performance in refineries, chemical plants, offshore platforms and power-generation facilities.

Key installation advantages include hot-swap capability, automatic electronic keying and support for optional I/O redundancy, allowing users to replace or add modules without interrupting process control. The module’s compact 160 × 100 × 30 mm footprint weighs only 0.25 kg and snaps securely onto standard 35 mm DIN rail or Series C backplanes, preserving valuable panel space. All field wiring terminates at removable front connectors with spring-cage terminals for vibration-resistant, maintenance-friendly connections.

Typical applications include discrete interlocking, motor starter feedback, safety-shutdown systems, batch-sequencing logic and burner management where fast, deterministic status indication is required. The CC‑PDIL01 is fully compatible with Honeywell’s Universal I/O (UIO) architecture, enabling future channel reconfiguration without hardware changes.

Certified to IEC 61131-2, UL 508 and CE directives for EMC and safety, the 51405040-175 part number is globally recognized by system integrators and end users as the standard 24 V DC digital input solution for Experion PKS systems. Each module ships with a one-year factory warranty, comprehensive technical documentation and worldwide support from Honeywell’s Process Solutions network.

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