8U-PAIHA1 Honeywell Analog Input HART Module

Specifications

  • Manufacturer: Honeywell

  • Product No.: 8U-PAIHA1

  • Condition： 10 العناصر الموجودة في المخزون

  • Product Type: Analog Input Modules

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 400g

  • Shipping port: Xiamen

  • Warranty: 12 months

تفاصيل المنتج

وصف

The Honeywell 8U-PAIHA1, also cataloged as the 8U-PAIHA1 Analog Input HART Module, operates as a dedicated hardware component for 16-channel analog signal acquisition and HART telemetry execution within Honeywell Experion PKS Series C networks.

Hardware Specifications

Parameter Specification
Model 8U-PAIHA1
Brand Honeywell
Origin United States
Weight 0.40 kg nominal
Dimensions Standard Series C Module Footprint
Operating Temp 0 to 60 deg C
Power Consumption 2.6 W
Input Channels 16 single-ended channels
Input Range 4-20 mA
A/D Resolution 16-bit
Input Scan Rate 50 ms
Module Current 110 mA
Accuracy +/- 0.075% FS (at 23.5 deg C)
Galvanic Isolation 1000 VAC / 1000 VDC (Icoupler technology)
Internal Loop Load Integrated 250 ohm resistors
Noise Rejection RC filter with 6.5 Hz cutoff frequency

4-20 mA HART Loop Protocol Pass-Through and Channel Isolation

The Honeywell 8U-PAIHA1 incorporates Icoupler galvanic isolation rated at 1000 VAC/VDC to separate backplane execution logic from field-side electrical surges. Designed with channel-to-channel isolation and internal 250 ohm precision resistors, the assembly converts incoming 4-20 mA transmitter loops to digitized 16-bit values. Concurrent 4-20 mA HART loop protocol pass-through routes secondary device diagnostics, dynamic variables, and calibration data directly to Experion PKS system software without disrupting the primary 50 ms analog scan execution.

Frequently Asked Questions

Q: Does this module support HART communication?

A: Yes, the 8U-PAIHA1 features integrated HART communication, allowing the module to pass digital data from smart field transmitters to the control system while simultaneously reading the primary analog 4-20 mA signal.

Q: Is this module hot-swappable during active system operation?

A: Yes, the 8U-PAIHA1 is designed for hot-swap capability, allowing removal and insertion under power (RIUP) while the Series C carrier active backplane is energized.

Q: What filtering mechanisms protect against high-frequency electromagnetic noise?

A: The module includes onboard single-pole RC filtering with a 6.5 Hz cutoff frequency to attenuate common-mode and differential noise across field signal wires.

Field Installation Guidelines

  1. Ensure the control cabinet structure is properly connected to plant instrument earth before installing the module into the Series C I/O carrier.
  2. Verify that surrounding environmental conditions are free from conductive dust or moisture before initiating hot-swap removal or insertion procedures.
  3. Use shielded twisted-pair cabling for all 4-20 mA analog input loops to maintain signal integrity and maximize EMI rejection.
  4. Ground cable drain wires at a single point on the cabinet instrument earth bar; do not ground shields at both ends to avoid ground loop currents.
  5. Ensure all conduit entry fittings maintain a minimum engagement of 5 full threads to secure NPT junction integrity.

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Analog Input Modules Honeywell Experion PKS Series C

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