{"product_id":"honeywell-tk-oah061-conformal-coated-dcs-ao-0-21ma","title":"Honeywell TK-OAH061 Conformal Coated DCS AO 0-21mA","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell TK-OAH061\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a precision analog output interface for Experion Process Knowledge System (PKS) Distributed Control Systems. This module generates accurate current signals to manage critical control loops in chemical processing, refining, and power generation. Unlike standard versions, the \"TK\" prefix designates a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule, providing a robust barrier against moisture, dust, and corrosive airborne contaminants. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e, ensuring long-term signal stability for mission-critical actuators and valves.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTK-OAH061\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Output (AO)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6 Galvanically Isolated Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 21.0 mA (Supports standard 4–20 mA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13 Bits across 21 mA range\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eGlobal Update Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25 ms (all channels)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2546 VDC (Channel-to-Channel \u0026amp; User-to-System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRFI Immunity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 2.0% error at 10 V\/m (27–1000 MHz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOvervoltage Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VAC\/VDC Continuous\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.7 W Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCoating Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConformal Coating (Enhanced protection)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Block\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTC-TBNH (20-position)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosive Atmosphere Resistance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe factory-applied conformal coating shields internal circuitry from chemical vapors and humidity. This prevents dendritic growth and board-level corrosion, significantly reducing the risk of premature failure in \"Class G3\" harsh environments like paper mills or wastewater plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Integrity Galvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTested at 2546 VDC, the module's isolation prevents hazardous ground loops and cross-channel interference. This architecture protects the core DCS processor and adjacent modules from field-side electrical surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Actuation Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 13-bit DAC resolution translates digital logic into smooth, high-fidelity analog currents. This enables micro-adjustments for control valves, ensuring the process remains within tight setpoint tolerances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Signal Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated RFI immunity ensures the module remains accurate even when located near variable frequency drives (VFDs) or heavy motors. It maintains an error rate below 2.0% despite electromagnetic interference up to 1000 MHz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Loop Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 25 ms global update rate synchronizes all six channels simultaneously. This provides the deterministic timing required for complex cascade control loops and high-speed process synchronization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of the \"TK\" model over the standard \"TC\" model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The \"TK\" model (TK-OAH061) features conformal coating on the internal PCBs. This specialized coating protects the module from moisture, salt spray, and corrosive gases, whereas the standard TC-OAH061 is typically used in clean, climate-controlled environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the TK-OAH061 to replace an existing standard module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The TK-OAH061 is physically and functionally compatible with the standard TC-OAH061. It fits the same rack slots and utilizes the TC-TBNH 20-position terminal block, providing a more durable upgrade for existing systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module protect itself against accidental field wiring errors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Absolutely. The TK-OAH061 includes continuous 24 VAC\/VDC overvoltage protection on all output channels. This hardware-level protection prevents damage if field technicians inadvertently connect a live power source to the output pins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this module a new production unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We provide only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory units\u003c\/strong\u003e. Each TK-OAH061 includes a standard 12-month warranty and arrives in original Honeywell packaging with complete factory certifications.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44164511334499,"sku":"TK-OAH061","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/363._3a4d4297-12be-424d-a151-eb025e233587.jpg?v=1778036263","url":"https:\/\/www.autocontrolglobal.com\/products\/honeywell-tk-oah061-conformal-coated-dcs-ao-0-21ma","provider":"AutoControl Global","version":"1.0","type":"link"}