{"product_id":"tc-iah161-honeywell-experion-pks-4-20ma-input-module","title":"TC-IAH161 Honeywell Experion PKS 4-20mA Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell TC-IAH161 functions as a high-density, 16-channel data acquisition interface specifically engineered for the Experion PKS and PlantCruise Series C hardware platforms. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule bridges field-level signals from 4–20 mA and 0–10 V transmitters to the Distributed Control System (DCS). Each channel utilizes a dedicated 16-bit analog-to-digital converter, providing the extreme granularity required for precise process monitoring. By integrating hardware-level signal conditioning and robust RFI immunity, the TC-IAH161 maintains measurement integrity in the electrically noisy environments typical of power generation, chemical processing, and oil refining facilities.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTC-IAH161\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExperion PKS Series C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 High-Level Channels (Single-ended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA\/D Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-bit across all ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUpdate Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 ms Deterministic Data Publishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±10.25 VDC, 0–10.25 VDC, 0–5.125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–20.5 mA (via internal 249 Ohm resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 1.0 MOhm (Voltage) \/ 249 Ohm (Current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGalvanic Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2550 VDC for 1 second (User-to-System)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 Hz (-3 dB bandwidth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.1 W Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequired Termination\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTC-TBCH 36-position terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mdc-button__label\"\u003e\u003cspan class=\"export-sheets-button\"\u003e\u003cspan class=\"export-sheets-icon\"\u003e\u003c\/span\u003e导出到 Google 表格\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-icon-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Fidelity Signal Conversion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 16-bit A\/D resolution ensures that the DCS captures minute process fluctuations. This precision proves vital for sophisticated PID control loops where accurate feedback for pressure, flow, and temperature directly impacts product quality and system safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Data Publishing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module publishes updated process data every 250 ms. This consistent refresh rate eliminates variable \"jitter\" in control strategies, allowing the Series C controller to execute logic based on real-time field conditions without computational lag.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAggressive Noise Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHoneywell equips each channel with a 20 Hz low-pass filter. This architecture suppresses high-frequency interference from variable frequency drives (VFDs) and heavy switching gear, ensuring that only valid process data reaches the control logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Hardware Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA 2550 VDC galvanic isolation barrier shields the sensitive internal I\/O Link and backplane from field-side surges and ground loops. This protection extends the MTBF (Mean Time Between Failures) of the entire I\/O chassis by preventing external transients from migrating to the controller core.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStreamlined Current Sensing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal 249 Ohm precision resistor allows for direct 4–20 mA current loop interfacing. This eliminates the need for external shunt resistors on the terminal block, significantly reducing the complexity of cabinet wiring and potential points of failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix voltage and current signals on the same TC-IAH161 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eYes. You can configure individual channels for different voltage ranges or current inputs through the Experion PKS Configuration Studio. However, ensure that the field wiring and termination accurately reflect the software settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the TC-IAH161 compatible with HART field devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe TC-IAH161 is a high-level analog input module focused on 4-20mA\/0-10V precision. For full HART digital diagnostic capabilities, you should utilize a HART-enabled module like the TC-HAI161.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require a specific I\/O Termination Assembly (IOTA)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe TC-IAH161 installs into a standard Series C I\/O chassis and requires the TC-TBCH 36-position terminal block for field wiring. Always verify that the IOTA matches the chassis slot configuration before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle a 24VDC short circuit on the input?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eWhile the module features robust isolation and RFI protection, a direct 24VDC short to a current-configured input can stress the internal 249 Ohm resistor. We recommend following standard Honeywell fuse and current-limiting guidelines for all field-side loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":42870825549914,"sku":"TC-IAH161","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/146._d457107a-0a09-4483-a7ef-ebe215590bfe.jpg?v=1772502666","url":"https:\/\/www.spareoil.com\/products\/tc-iah161-honeywell-experion-pks-4-20ma-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}