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Product Description

High-Availability HART Signal Interfacing

The 8C-PAIHA1 (Model: 8C-PAIHA1) is a high-integrity analog input module specifically engineered for the Honeywell Experion PKS Series 8 hardware platform. This module serves as a high-density bridge between precision field instrumentation and the C300 controller, providing 16 dedicated channels for 4–20 mA signal acquisition. The 8C-PAIHA1 (Part Number: 51454470-275) is distinguished by its full support for HART protocol pass-through, enabling maintenance teams to extract digital device diagnostics, secondary variables, and configuration data directly from smart transmitters without interrupting the primary control loop.

Detailed Technical Specifications

The 8C-PAIHA1 (51454470-275) is built to withstand demanding process environments while maintaining superior signal accuracy and noise immunity.

  • Manufacturer: Honeywell

  • Model Designation: 8C-PAIHA1

  • Part Number / Assembly: 51454470-275

  • System Platform: Experion PKS Series 8

  • Input Capacity: 16 Channels

  • Signal Range: 4–20 mA DC

  • Digital Communication: HART 5, 6, and 7 (Full pass-through)

  • A/D Converter Resolution: 16-bit

  • Galvanic Isolation: 1500V DC (Field-to-Logic)

  • Mounting Configuration: Plugs into Series 8 Input Output Termination Assembly (IOTA)

  • Redundancy Support: Compatible with redundant IOTA for high-availability pairs

  • Operating Temperature: 0°C to +60°C (Standard utility grade)

  • Dimensions: 12.7 × 12.7 × 12.7 cm

  • Unit Weight: 0.8 kg

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