8C-PAIH51 Honeywell Analog Input Module 16-Ch HART

Honeywell 8C-PAIH51 51454352-175 Experion Series 8 Analog Input Modules

Honeywell 8C-PAIH51 51454352-175 Experion Series 8 Analog Input Modules

Availability: 99 left in stock

Honeywell 8C-PAIH51 Experion PKS Series 8 Analog Input Module The Honeywell 8C-PAIH51, also cataloged as the 8C-PAIH51 Analog Input Modules,...

SKU: 8C-PAIH51 51454352-175

Manufacturer: Honeywell
Product No.: 8C-PAIH51 51454352-175
Product Type: Analog Input Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Honeywell 8C-PAIH51 Experion PKS Series 8 Analog Input Module

The Honeywell 8C-PAIH51, also cataloged as the 8C-PAIH51 Analog Input Modules, operates as a dedicated hardware component for 4-20 mA DC current signal acquisition and HART digital data pass-through within Honeywell Experion PKS C300 controller networks.

Hardware Specifications

Parameter	Specification
Model	8C-PAIH51 (Part Number: 51454352-175)
Brand	Honeywell
Origin	USA
Weight	Standard Series 8 module weight
Dimensions	6.1 cm x 15.7 cm x 14.4 cm
Operating Temp	0 to +60 deg C
Power Consumption	5.2 W nominal at 24 VDC
Series	Experion PKS Series 8
Input Signal	4-20 mA DC with HART (HART 5, 6, and 7 supported)
Channel Count	16 channels, single-ended
A/D Resolution	16-bit
Input Scan Rate	100 ms across all 16 channels
Galvanic Isolation	1500 VDC field-to-logic isolation
Mounting	Plugs into Series 8 Input Output Termination Assembly (IOTA)

4-20 mA HART Loop Protocol & Channel-to-Channel Isolation

The module extracts dynamic secondary process variables and diagnostic status data directly from smart field transmitters through embedded HART 5, 6, and 7 protocol pass-through decoding. Internal 16-bit analog-to-digital converters process all 16 single-ended channels simultaneously within a 100 ms scan window. High-density signal paths rely on 1500 VDC galvanic isolation between the field-side loop termination circuits and internal logic backplane buses to prevent high common-mode voltage spikes or ground loops from corrupting C300 controller memory registers.

Frequently Asked Questions

Q: Does removing or inserting the module disrupt field wiring connections?

A: Field wiring terminates directly onto the underlying passive Input Output Termination Assembly (IOTA), enabling full online module replacement (hot-swapping) without disconnecting field current loops.

Q: How does the module handle power dissipation within high-density control enclosures?

A: The card incorporates low-thermal-load circuitry operating at 5.2 W nominal power consumption at 24 VDC, mitigating heat buildup inside cabinet enclosures.

Q: How are HART FSK signals separated from the primary 4-20 mA analog signal?

A: Internal frequency-shift keying (FSK) filtering circuits strip digital HART telemetry from the primary current loop without altering the 4-20 mA DC process variable measurement sent to the C300 control execution environment.

Field Installation Guidelines

Mount the module by aligning its connector interface with the designated slot on the Series 8 IOTA block and pressing downward firmly until the side retention clips lock. Ground all shielded, twisted-pair field cables at the single-point grounding bar on the IOTA panel to minimize electromagnetic interference across 16-bit ADC circuits. Maintain distinct physical separation between low-voltage 4-20 mA signal wiring and high-voltage AC distribution conduits to preserve 1500 VDC field-to-logic galvanic isolation integrity.

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