{"product_id":"mc-taih12-honeywell-high-level-analog-input-sti-fta-for-redundancy-16-inputs","title":"MC-TAIH12 | Honeywell | Entrée analogique haute niveau\/STI FTA pour redondance (16 entrées)","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMC-TAIH12\u003c\/strong\u003e is a high-integrity \u003cspan\u003eHigh Level Analog Input (HLAI) Field Termination Assembly (FTA)\u003c\/span\u003e engineered for the \u003cspan\u003eHoneywell Experion PKS\u003c\/span\u003e and TPS\/TDC 3000 ecosystems. Specifically designed to support \u003cspan\u003eredundant configurations\u003c\/span\u003e, this FTA interfaces with the \u003cspan\u003eMC-PAIH03\u003c\/span\u003e High Level Analog Input Processor to provide 16 high-accuracy differential input channels. Supporting \u003cspan\u003eSmart Transmitter Interface (STI)\u003c\/span\u003e, the module allows for advanced digital communication with 2-wire or self-powered field transmitters. It is widely deployed in \u003cspan\u003esafety-critical oil and gas, refining, and power generation\u003c\/span\u003e applications where continuous data availability and fault tolerance are mandatory.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Technical Parameter Matrix\u003c\/h3\u003e\n\u003cp\u003eThe following data represents the core engineering specifications for the \u003cspan\u003eMC-TAIH12\u003c\/span\u003e when paired with the \u003cspan\u003eMC-PAIH03\u003c\/span\u003e processor, optimized for technical procurement and system design.\u003c\/p\u003e\n\u003ctable width=\"692\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cspan\u003eTechnical Parameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification Detail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMC-TAIH12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Differential Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Ranges\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA (via 250 Ohm), 1-5 V, 0-5 V, 0.4-2 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eA\/D Resolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 bits (14 bits utilized)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRedundancy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFully Supported (Zero scan cycles missed during failover)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy (Hardware)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 0.075% Full Scale (at 23.5 deg C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Scan Rate\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 samples\/sec per channel (250 ms window)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTransmitter Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eResistor Current Limited (145 Ohm), not fused\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMax Input Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 30 Volts (No damage)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommon Mode Rejection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e70 dB (dc to 60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIsolation\/Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eANSI\/IEEE C37.90.1-1978 Surge Withstand\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTerminals\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompression Type\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdvanced Signal \u0026amp; Redundancy FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHow does the MC-TAIH12 ensure \"Non-Stop\" operation during a failover?\u003c\/span\u003eThe \u003cspan\u003eMC-TAIH12\u003c\/span\u003e architecture is unique in that \u003cspan\u003eno input scan cycles are missed or delayed\u003c\/span\u003e during a processor swap or failover. The hardware is designed so that the failure of one redundant processor has no nominal effect on accuracy (max +\/- 2% FS in extreme conditions), ensuring that critical PID loops remain stable and process visibility is never lost.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat is the benefit of the STI (Smart Transmitter Interface)?\u003c\/span\u003eThe \u003cspan\u003eSTI\u003c\/span\u003e capability allows the \u003cspan\u003eMC-TAIH12\u003c\/span\u003e to handle digital data from smart field devices. This enables remote calibration, advanced status diagnostics, and secondary variable tracking without requiring additional field wiring, significantly reducing maintenance overhead.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow is the power conditioned for field transmitters?\u003c\/span\u003eFor the \u003cspan\u003eMC-TAIH12\u003c\/span\u003e model, transmitter power is conditioned via \u003cspan\u003eResistor Current Limiting (145 Ohm)\u003c\/span\u003e. This design is optimized for Class 1, Div 2 hazardous area interfacing, providing a safe current-limited supply without the need for traditional fuses, which simplifies the module's footprint.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Protocol\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLow-Side Common Jumper:\u003c\/span\u003e By default, the low-side input is connected to the system common via a wire jumper on the FTA. For specific floating-ground applications, this jumper can be removed, provided the user ensures the operation remains within the \u003cspan\u003eCommon Mode Voltage (CMV)\u003c\/span\u003e spec of -6 to +5 V peak.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRedundancy Cable Integrity:\u003c\/span\u003e When deploying in a redundant configuration, ensure the cables connecting the \u003cspan\u003eMC-TAIH12\u003c\/span\u003e to the dual \u003cspan\u003eMC-PAIH03\u003c\/span\u003e processors are securely latched. Because the FTA manages the signal split, any cable impedance imbalance can affect the common-mode rejection performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTermination Torque:\u003c\/span\u003e Use high-quality twisted-pair shielded cables for the \u003cspan\u003e16 differential inputs\u003c\/span\u003e. Tighten the compression terminals securely but avoid over-torquing, which can damage the high-level input path. The shield should be grounded only at the FTA to prevent ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Superiority \u0026amp; Application Resilience\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003eHoneywell MC-TAIH12\u003c\/span\u003e is built for extreme reliability in harsh industrial environments, rated for operation between \u003cspan\u003e0 to 50 deg Celsius\u003c\/span\u003e. Its high-resolution \u003cspan\u003e16-bit A\/D converter\u003c\/span\u003e provides the precision necessary for custody-transfer level flow measurements and sensitive pressure monitoring. As an \u003cspan\u003eOriginal and New\u003c\/span\u003e component, it features a single-pole RC normal mode filter with a -3 dB response at \u003cspan\u003e1 Hz\u003c\/span\u003e, effectively stripping away high-frequency industrial noise. Its ability to withstand up to \u003cspan\u003e+\/- 30 V\u003c\/span\u003e on any input without damage ensures that field wiring errors or electrical surges do not compromise the expensive control system backbone.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52705776566635,"sku":"MC-TAIH12","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MC-TAIH12-axczarhvhqe_82201823-1748-4e01-8a16-2ad0631febca.jpg?v=1766659680","url":"https:\/\/www.plcprotech.com\/fr\/products\/mc-taih12-honeywell-high-level-analog-input-sti-fta-for-redundancy-16-inputs","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}