{"product_id":"honeywell-bu-bc-thai11-42622268-002-fta-module","title":"Honeywell BU\/BC-THAI11 42622268-002 FTA Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell BU\/BC-THAI11 42622268-002\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eBU\/BC-THAI11\u003c\/strong\u003e FTA Module, operates as a dedicated hardware component for 16-channel analog input termination and data routing within Honeywell Experion PKS 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\u003eBU\/BC-THAI11 42622268-002\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard FTA footprint\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\u003eNominal 24 VDC external loop power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eHART protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Instrumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol:\u003c\/strong\u003e The termination assembly integrates continuous frequency shift keying (FSK) line modulation to overlay digital HART telemetry onto the standard 4-20 mA analog carrier signal. This enables simultaneous acquisition of primary process variables and secondary multivariable device diagnostics from smart field transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e The module incorporates passive and active physical barriers to prevent cross-channel ground loops. This diagnostic architecture isolates field-side loop anomalies, ensuring that electrical transients on a single instrument loop do not degrade neighboring active channel performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the BU\/BC-THAI11 support online replacement of active fuses?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Each of the 16 analog input channels features an independent, front-accessible current-limiting fuse that can be extracted and replaced while the remaining system loops are under live operational load.\u003c\/p\u003e\n\u003cp\u003eQ: How is the shield grounding managed on the 42622268-002 assembly?\u003c\/p\u003e\n\u003cp\u003eA: Field cable shields terminate directly at the designated grounding bar on the Field Termination Assembly (FTA), which is electrically bonded to the system cabinet's single-point reference ground.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Block Torquing:\u003c\/strong\u003e Secure all field-side conductor terminations using a calibrated screwdriver set to 0.5 Nm. Loose terminal connections can introduce variable loop resistance, affecting the +\/-0.1% analog accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Carrier Placement:\u003c\/strong\u003e Snap the FTA housing onto standard TS-35 DIN-rails within the marshalling cabinet. Ensure the passive card locking tabs engage securely to absorb mechanical vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation:\u003c\/strong\u003e Separate the low-voltage analog signal cables from adjacent high-voltage AC distribution lines inside the cable trunking to mitigate electromagnetic induction on the HART communication layer.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45256817410163,"sku":"BU\/BC-THAI11 42622268-002","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-29_13-43-41_47ff1e43-079f-4e71-9eba-722691ed8200.png?v=1784268749","url":"https:\/\/www.dcssupplier.com\/ar\/products\/honeywell-bu-bc-thai11-42622268-002-fta-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}