{"product_id":"honeywell-8u-paih54-analog-input-module","title":"Honeywell 8U-PAIH54 Analog Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 8U-PAIH54\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8U-PAIH54\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for high-precision 16-channel analog signal acquisition within Honeywell Experion PKS Series C platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e8U-PAIH54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.40 kg nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Series C Module Footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels (Single-ended or differential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e1-5 VDC, 4-20 mA (via external 250 Ohm resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScan Rate\u003c\/td\u003e\n\u003ctd\u003e50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e310 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.075% full scale (at 23.5 deg C), +\/-0.15% full scale (0 to 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Crosstalk\u003c\/td\u003e\n\u003ctd\u003e-60 dB (DC to 60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol Pass-Through and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 8U-PAIH54\u003c\/strong\u003e incorporates internal differential input architecture and an integrated single-pole RC filter (-3 dB at 6.5 Hz) to execute channel-to-channel isolation and eliminate common-mode noise propagation across process loops. The module hardware natively supports 4-20 mA HART loop protocol pass-through, extracting digital diagnostic data, secondary variables, and calibration metadata from smart field transmitters directly into the controller database without interfering with the primary 16-bit analog-to-digital scan cycle.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 8U-PAIH54 module support online hot-swapping during system execution?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports Removal and Insertion Under Power (RIUP) on active IOTA platforms, allowing field maintenance without interrupting control backplane operations.\u003c\/p\u003e\n\u003cp\u003eQ: How is a 4-20 mA current signal converted into the module input range?\u003c\/p\u003e\n\u003cp\u003eA: A 4-20 mA input loop requires a 250 Ohm precision resistor across the input terminals to convert the current loop into a corresponding 1-5 VDC voltage signal for the 16-bit A\/D converter.\u003c\/p\u003e\n\u003cp\u003eQ: What mechanism rejected electromagnetic interference on field wiring runs?\u003c\/p\u003e\n\u003cp\u003eA: The board incorporates differential input signal routing combined with an onboard RC filter providing -60 dB crosstalk suppression from DC to 60 Hz.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlign and insert the module firmly onto the designated IOTA base, ensuring complete mechanical latching to establish proper backplane ground.\u003c\/li\u003e\n\u003cli\u003eTerminate all incoming 4-20 mA and 1-5 VDC field signal lines using twisted shielded pair cabling to minimize external RFI noise coupling.\u003c\/li\u003e\n\u003cli\u003eConnect signal cable shields at a single point on the cabinet instrument earth bus bar; do not ground shields at both ends to avoid ground loops.\u003c\/li\u003e\n\u003cli\u003eMaintain recommended spatial gaps between adjacent modules to facilitate vertical convection cooling within the Series C enclosure.\u003c\/li\u003e\n\u003cli\u003eVerify that all field conduit connections maintain a minimum of 5 full threads of NPT engagement to preserve mechanical junction seal integrity.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52317485662504,"sku":"8U-PAIH54","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/8C-PDIPA151454471-375_32a3151f-eee5-4e46-8250-30860507943f.png?v=1788313809","url":"https:\/\/www.powerdcs.com\/es\/products\/honeywell-8u-paih54-analog-input-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}