• Honeywell 8C-PDILA1
  • Honeywell 8C-PDILA1
  • Honeywell 8C-PDILA1
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Honeywell 8C-PDILA1 51454471-175 Series 8 Digital Input Module

Honeywell 8C-PDILA1 51454471-175 Series 8 Digital Input Module

Description

The Honeywell 8C-PDILA1 (51454471-175) is a 32-channel 24VDC Digital Input module designed for the Honeywell Series 8 I/O family. This module is conformal coated, providing robust protection against moisture, dust,...

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Availability: Low stock: 9 left

SKU: 8C-PDILA1
Vendor: Honeywell
Category: Digital Input Module
Related Series:

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  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
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Description

The Honeywell 8C-PDILA1 (51454471-175) is a 32-channel 24VDC Digital Input module designed for the Honeywell Series 8 I/O family. This module is conformal coated, providing robust protection against moisture, dust, chemicals, and extreme temperatures in demanding industrial environments. It provides high-density input monitoring in a compact form factor, utilizing an Input/Output Termination Assembly (IOTA) for both module mounting and field wiring terminations.

Features

  • 32-point digital input capacity for 24VDC signals.
  • Conformal coated circuitry for enhanced environmental durability.
  • Supports optional redundancy when paired with a second IOM on a compatible IOTA, requiring no external cabling or control devices.
  • Extensive internal diagnostics for continuous data integrity monitoring.
  • Galvanic isolation (System to Field) when using external user-supplied power.
  • Compact design with integrated heat management for high-density cabinet layouts.

Applications

  • Oil Refining & Petrochemicals: Monitoring valves and ESD interlocks in hazardous zones.
  • Power Generation: Tracking breaker status, utility status, and generator states.
  • Chemical Manufacturing: Monitoring pipeline states and batch process limits.
  • Water & Wastewater Treatment: Interface for pump, tank, and flow contact sensors.

Technical Specifications

Parameter Specification
Model Number 8C-PDILA1 (51454471-175)
Input Channels 32
Voltage Rating 24 VDC
Input Voltage Range 18 to 30 VDC
Input Impedance 4.2 KΩ
ON Sense Threshold 13 VDC (min) / 3 mA (min)
OFF Sense Threshold 5 VDC (max) / 1.2 mA (max)
Galvanic Isolation 1000 VAC RMS or ±1500 VDC (System)
Current Rating 95 mA
Field Wire Capacity Up to 12 AWG / 2.5 mm²

Installation Guidelines

  • ESD Precautions: Always use an anti-static wrist strap when handling the module to prevent damage to sensitive electronic components.
  • Mounting: The module must be seated onto a compatible IOTA (e.g., 8C-TDILA1 for non-redundant or 8C-TDILB1 for redundant applications). Align the module pins with the IOTA sockets and press firmly until the latches engage.
  • Wiring: The module uses two-level detachable terminals. Ensure field wiring is properly landed and secured. The module is designed for vertical mounting to facilitate top or bottom cabinet cable entry.
  • Powering: Field power is supplied through the IOTA. Ensure the external power source is within the 18-30 VDC range.
  • Safety: Always power down the system before inserting or removing the IOM from the IOTA to prevent electrical arcing or data corruption.

FAQ

What is the difference between the 8C-PDILA1 and the 8C-TDILA1?

The 8C-PDILA1 is the active electronic I/O module, while the 8C-TDILA1 is the passive Input/Output Termination Assembly (IOTA) that provides the physical base for mounting and field wiring connections.

Does this module provide field power?

No, the module requires an external, user-supplied 24V DC power source for field excitation, which is routed through the IOTA.

Is this module redundant?

The module supports optional redundancy. Redundancy is achieved by installing a second IOM onto a compatible redundant-capable IOTA, requiring no external redundancy control hardware.