{"product_id":"honeywell-8u-taima1-series-8-temperature-input-module","title":"Honeywell 8U-TAIMA1 Series 8 Temperature Input Module","description":"\u003ch2\u003eHoneywell 8U-TAIMA1 Series 8 Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 8U-TAIMA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8U-TAIMA1\u003c\/strong\u003e Low-Level AI IOTA, operates as a dedicated hardware component for isolated analog signal and temperature input acquisition within Experion PKS C300 networks.\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-TAIMA1\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\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 cm x 14 cm x 14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC; module current approximately 120 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eTC\/RTD Temperature Input IOTA (Uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 fully isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Inputs\u003c\/td\u003e\n\u003ctd\u003eThermocouples (J, K, E, T, B, S, R), RTDs (Pt100, Ni120, Cu10\/50), mV signals (-20 mV to +100 mV), 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScan Rate\u003c\/td\u003e\n\u003ctd\u003e1 second for all 16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e2500 VAC channel-to-channel, channel-to-system, channel-to-power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMRR\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;=120 dB @ 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNMRR\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;=60 dB @ 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Coating\u003c\/td\u003e\n\u003ctd\u003eUncoated (8U designation for non-G3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Properties\u003c\/h3\u003e\n\u003cp\u003eOperating within the Honeywell Experion PKS architecture, this unit provides precise signal processing via integrated cold junction compensation (CJC) across all thermocouple configurations. The device implements a strict 2500 VAC galvanic channel-to-channel isolation architecture to prevent ground loops and protect the core processing backplane from electrical transients. Furthermore, native compatibility with the 4-20 mA HART loop protocol allows for pass-through digital telemetry tracking, while built-in open thermocouple detection (OTD) prevents invalid process variable propagation during sensor physical-layer faults.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 8U-TAIMA1 handle thermal drift at the termination point?\u003c\/p\u003e\n\u003cp\u003eA: The underlying Input Output Termination Assembly (IOTA) features integrated cold junction compensation (CJC) sensors that track local terminal temperatures, updating calibration coefficients dynamically to maintain accurate thermocouple voltage translation.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be deployed in environments containing corrosive gases like hydrogen sulfide?\u003c\/p\u003e\n\u003cp\u003eA: No. The \"8U\" prefix designates this module as uncoated (non-G3). For corrosive or harsh environmental conditions, the conformal-coated version (8C-TAIMA1) must be used.\u003c\/p\u003e\n\u003cp\u003eQ: What happens to the process control loop if a thermocouple wire breaks?\u003c\/p\u003e\n\u003cp\u003eA: The active open thermocouple detection (OTD) circuit identifies the high impedance state and immediately triggers a configurable fault status flag to prevent the C300 controller from executing control logic based on invalid data.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the 9-inch IOTA baseplate horizontally or vertically onto standard grounded DIN rails inside a clean, dust-free instrument cabinet. Secure the 8U-TAIMA1 module onto the matching IOTA connector pins and verify the locking tabs engage properly. When field wiring thermocouples, RTDs, or 4-20 mA HART loop protocol transmitters, utilize separate shielded twisted-pair cables for each loop. Terminate the shield drain wires strictly at the designated IOTA instrument ground bar; do not ground shields at both ends to avoid generating ground loop currents that disturb the 12-bit conversion phase. Ensure low-voltage field sensor signaling lines maintain a minimum physical clearance from high-voltage AC cables and switching inductive loads within the enclosure panels.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44288730103907,"sku":"8U-TAIMA1","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/569_d93a2171-4115-413e-8a03-5ea4b4acb2aa.jpg?v=1782281152","url":"https:\/\/www.autocontrolglobal.com\/products\/honeywell-8u-taima1-series-8-temperature-input-module","provider":"AutoControl Global","version":"1.0","type":"link"}