Honeywell CC-PAIH51 Analog Input Module

Core Functionality and System Role

The Honeywell CC-PAIH51 analog input module acquires high-level current signals from HART-capable transmitters for the Experion PKS C300 control system . This module features 16 single-ended input channels, which provide high-density analog signal acquisition for demanding process applications. It transmits real-time process data to the controller for precise monitoring and closed-loop control tasks . Furthermore, the module integrates HART pass-through communication, which enables remote configuration and diagnostic access to smart field devices .

Technical Specifications

The following table details the core technical parameters for the Honeywell CC-PAIH51 51410069-275:

Parameter	Specification
Model Number	CC-PAIH51
Part Number	51410069-275
Product Type	High-Level Analog Input with HART
System Compatibility	Experion PKS, PlantCruise, C300 Controller
Input Channels	16 single-ended
Input Signal Type	4-20 mA (2-wire or self-powered transmitters)
Input Impedance	200 Ω
A/D Converter Resolution	16 bits
Hardware Accuracy	±0.075% of full-scale (23.5°C); ±0.15% full-scale (0-60°C)
CMRR (dc to 60 Hz)	70 dB (500 Ω source imbalance)
Input Scan Rate	50 ms per channel
HART Support	Pass-through, compatible with HART 5/6/7
Dimensions (W × H × D)	5.5 × 16.2 × 14.5 cm (approx.)
Weight	0.37 – 0.55 kg (variant dependent)
Operating Temperature	-40°C to +85°C
Storage Temperature	-40°C to +85°C
Power Supply	24 VDC ±10%
Power Consumption	4.3 W typical (180 mA @ 24 VDC)
IOTA Options	CC-TAIX51 (non-redundant), CC-TAIX61 (redundant)
Certifications	ATEX, IEC 61508 SIL 2, Class I Div. 2

Design and Protection Features

The Honeywell CC-PAIH51 features a modular design that simplifies installation in Series C I/O racks. Its 16-bit A/D converter delivers high-fidelity signal conversion for precise process measurements . The module also provides individually protected current-limiting circuits for Class 1, Div 2 non-incendive field interfacing, which enhances safety in hazardous locations . Furthermore, it supports hot-swap capability for minimal downtime during maintenance. Extensive self-diagnostics enable proactive health monitoring and fault detection . The redundant IOTA option (CC-TAIX61) ensures high availability for mission-critical control loops .

System Compatibility and Use Cases

The Honeywell CC-PAIH51 integrates seamlessly with Experion PKS and PlantCruise platforms . It suits critical applications in oil and gas, chemical processing, power generation, and pharmaceutical industries . Users should pair this module with the appropriate IOTA termination assembly for proper installation. This module provides the precision and reliability required for demanding process control environments.