{"product_id":"mc-taih52-redundant-high-level-analog-input-termination-assembly-honeywell","title":"MC-TAIH52 Redundant High Level Analog Input Termination Assembly | Honeywell","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell MC-TAIH52\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMC-TAIH52\u003c\/strong\u003e Redundant High Level Analog Input Termination Assembly, operates as a dedicated hardware component for dual-redundant analog signal conditioning and distribution within Honeywell TDC 3000 and Experion PKS High Performance Process Manager (HPPM) 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\u003eMC-TAIH52\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\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.00 x 30.50 x 3.80 cm\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\u003ePowered via 24 VDC I\/O bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003eHigh Level Analog Input (4-20 mA \/ 1-5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e16 Channels (Redundant Architecture)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Scheme\u003c\/td\u003e\n\u003ctd\u003eDual-FTA \/ Dual-I\/O Processor Redundancy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eSystem-to-Field Galvanic Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation \u0026amp; Fieldbus Signal Routing\u003c\/h3\u003e\n\u003cp\u003eThe MC-TAIH52 provides dual-path signal routing for up to 16 high-level analog inputs, allowing concurrent interfacing with redundant High Level Analog Input (HLAI) processor cards. Designed to support 4-20 mA HART loop protocol transmitters and 1-5 VDC field signals, the assembly incorporates passive signal-splitting circuitry and channel-to-channel isolation. This ensures that a component failure or physical disconnection on a single I\/O processor channel does not disrupt signal continuity or introduce loop impedance shifts on the primary control path.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the MC-TAIH52 handle redundancy between primary and backup analog input processors?\u003c\/p\u003e\n\u003cp\u003eA: The board features dual cable connections that route incoming field loop currents across precision parallel sampling resistors, delivering identical voltage signals simultaneously to both primary and secondary HLAI modules.\u003c\/p\u003e\n\u003cp\u003eQ: Can individual field wiring terminals be disconnected without removing the entire assembly?\u003c\/p\u003e\n\u003cp\u003eA: Yes, field connections are terminated via screw compression terminal blocks, allowing field loop wiring to be isolated independently during troubleshooting without interrupting adjacent channels.\u003c\/p\u003e\n\u003cp\u003eQ: Does the MC-TAIH52 require external power to execute signal routing?\u003c\/p\u003e\n\u003cp\u003eA: No active onboard power conversion is required for basic passive scaling; 24 VDC transmitter loop power is distributed directly from the system power bus through fused branch circuits on the board.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect transmitter loop power and isolate backplane interface cables before installing or replacing the MC-TAIH52 assembly on the DIN rail or mounting plate.\u003c\/li\u003e\n\u003cli\u003eEnsure field input cables use individually shielded twisted pairs to maintain signal integrity across high-density analog loop runs.\u003c\/li\u003e\n\u003cli\u003eConnect signal cable shields directly to the cabinet ground bus at a single point to prevent ground potential loops from distorting measurement readings.\u003c\/li\u003e\n\u003cli\u003eVerify that both redundant interface cables are fully seated and locked with retention latches to guarantee continuous dual-processor communications.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52393122758952,"sku":"MC-TAIH52","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MC-TAIH5251304337-2501_438dc1ca-21dd-4813-829e-cf72d77c3222.png?v=1789549262","url":"https:\/\/www.powerdcs.com\/ar\/products\/mc-taih52-redundant-high-level-analog-input-termination-assembly-honeywell","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}