{"product_id":"honeywell-8u-paiha1-experion-lx-analog-input-modules","title":"Honeywell 8U-PAIHA1 Experion LX Analog Input Modules","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 8U-PAIHA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8U-PAIHA1\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for high-accuracy signal conversion and real-time field data acquisition within Honeywell Experion LX networks. Designed with 8 single-ended channels, this module accepts configurable 4-20 mA current loops and voltage inputs with 16-bit resolution and ±0.1% full-scale accuracy. Powered by a 24 VDC supply drawing 110 mA maximum current, the hot-swappable module continuously transmits digitized analog parameters while enabling transparent HART communication for downstream device diagnostics.\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-PAIHA1\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.28 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e14 cm x 14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e110 mA max at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 single-ended channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Types\u003c\/td\u003e\n\u003ctd\u003eConfigurable 4-20 mA, voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e2 k-ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eStandard I\/O rack\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 \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 8U-PAIHA1 incorporates dedicated HART modem circuitry across its 8 channels to pass digital diagnostic overlay signals over standard 4-20 mA analog loops. High-grade channel-to-channel isolation prevents field ground loops and electrical noise interference from corrupting 16-bit ADC sampling cycles. Internal transient suppression barriers isolate low-voltage bus logic from field wiring surges, ensuring reliable communication pass-through for instrument calibration data, secondary device variables, and loop health status without degrading primary analog measurements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 8U-PAIHA1 support hot-swap insertion and removal while the rack remains energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module features hot-swappable hardware architecture, allowing physical replacement on an active Experion LX I\/O rack without disrupting power or signal integrity on adjacent running modules.\u003c\/p\u003e\n\u003cp\u003eQ: How does the HART protocol interface function across the 4-20 mA input channels?\u003c\/p\u003e\n\u003cp\u003eA: Integrated HART modems superimpose digital FSK communication signals onto the primary 4-20 mA analog input loop, enabling real-time device configuration, multivariable monitoring, and status diagnostics without interrupting primary analog conversions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlign the 8U-PAIHA1 module edge connector with the target slot on the standard I\/O rack, pushing evenly until the locking latches snap into place within the protective NEMA cabinet enclosure.\u003c\/li\u003e\n\u003cli\u003eTerminate 4-20 mA current and voltage field conductors at the designated I\/O terminal assembly. Route low-voltage analog cables in separate grounded metallic conduits away from AC power lines, maintaining a minimum 5-thread engagement on all NPT conduit connections.\u003c\/li\u003e\n\u003cli\u003eConnect the shield drain wires to the system ground bus bar at a single ground point. Tighten captive mounting screws on the chassis to enforce chassis ground continuity before applying 24 VDC field power.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45414787940467,"sku":"8U-PAIHA1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/CC-PUIO01_6dca294e-44ff-40ab-b396-1cd0ebd5189a.png?v=1787898183","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-8u-paiha1-experion-lx-analog-input-modules","provider":"DcsSupplier Limited","version":"1.0","type":"link"}