HONEYWELL 8C-PAIHA1 51454470-275 Analog Input Module

Function

The 8C-PAIHA1 Analog Input Module is designed to accept high-level current inputs from various transmitters and sensing devices. This module is particularly suited for applications requiring precise monitoring and control of process variables in industrial settings.

Notable Features

Extensive Self-Diagnostics: Built-in diagnostic capabilities to ensure module integrity and functionality.
Optional Redundancy: Enhances system reliability by providing backup capabilities.
HART-Capable: Supports HART (Highway Addressable Remote Transducer) communication for multivariable devices, allowing for additional data exchange and diagnostics.
Fast Loop Scan: Ensures quick response times for real-time monitoring.
Field Power Selection: Offers flexibility with internal or external power options for field devices.
Onboard Excitation Power: Eliminates the need for additional marshalling power, simplifying installation and maintenance.
Galvanic Isolation: Provides safety and protection against electrical interference and surges.

Detailed Specifications

Parameter	Specification
Module Type	8C-PAIHA1 – Analog Input with HART (16), Coated
Input Type	Current (2-wire or self-powered transmitters)
Input Channels	16 Channels (Single Ended type)
A/D Converter Resolution	16 bits
Input Range	4-20 mA (through 250 Ω)
Voltage Rating	24 VDC
Module Current Rating	110 mA
Common Mode Rejection Ratio	70 dB (dc to 60 Hz with 500 Ω source imbalance)
Common Mode Voltage	-6 to +5 V peak (dc to 60 Hz)
Normal Mode Rejection Ratio	19 dB (at 60 Hz)
Normal Mode Filter Response	Single-pole RC, -3 dB @ 6.5 Hz
Maximum Normal Mode Input	± 30 Volts
Crosstalk	-60 dB (dc to 60 Hz channel-to-channel)
Maximum Input Voltage	± 30 Volts (any input referenced to common, no damage)
Input Scan Rate	50 ms
Hardware Accuracy	± 0.075% of full-scale (23.5°± 2°C) ± 0.15% of full-scale (0 to 60°C)
Galvanic Isolation	1000VAC RMS or ±1000 VDC
Isolation Technique	Icoupler (in IOM)
Module Removal and Insertion	Supported under power
Transmitter Field Power Conditioning	Individually protected current limiting circuits. No fuse required

Notes:

Note 1: No differential or voltage inputs are supported.
Note 2: System-to-Field type isolation is available only with external user-supplied power.