{"product_id":"tc-tcbh-honeywell-terminal-block-assembly","title":"TC-TCBH | Honeywell | Terminal Block Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell TC-TCBH\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTC-TCBH\u003c\/strong\u003e Terminal Block for Series A I\/O, operates as a dedicated hardware component for field wiring termination and signal routing within Honeywell Experion PKS, TDC 3000, and Series A I\/O 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\u003eTC-TCBH\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\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e110 x 90 x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Component (N\/A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTerminal Block for Series A I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell Experion PKS, TDC 3000, Series A I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Compatibility\u003c\/td\u003e\n\u003ctd\u003eAnalog, Digital, and Low-Voltage Power Wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation Features\u003c\/h3\u003e\n\u003cp\u003eThe TC-TCBH terminal block provides a high-density wiring landing interface that bridges field instrument conductors directly to the internal electronics of Series A I\/O modules. The internal terminal geometry maintains strict channel-to-channel isolation between adjacent connection points. This prevents cross-talk and noise coupling across multi-channel analog input signals running on 4-20 mA HART loop communication protocols, as well as discrete I\/O signal conductors.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What signal classifications can be terminated on the TC-TCBH terminal block?\u003c\/p\u003e\n\u003cp\u003eA: The TC-TCBH supports analog input and output circuits, discrete digital lines, and low-voltage DC power wiring connected to Honeywell Series A I\/O modules.\u003c\/p\u003e\n\u003cp\u003eQ: Is the TC-TCBH compatible with legacy Honeywell control rack architectures?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The terminal assembly interfaces directly with Honeywell Experion PKS, TDC 3000, and native Series A I\/O module assemblies.\u003c\/p\u003e\n\u003cp\u003eQ: Does removing the terminal block require de-energizing field power loops?\u003c\/p\u003e\n\u003cp\u003eA: Yes. To prevent electrical arcing and field instrument glitches, all external high-voltage or field supply circuits landed on the block must be de-energized before detaching the terminal block assembly from the I\/O module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all external power sources and verify field wiring conductors are fully de-energized prior to landing leads onto the terminal block.\u003c\/li\u003e\n\u003cli\u003eStrip conductor insulation strictly to the designated length to prevent exposed wire ends from causing electrical shorts to adjacent terminals.\u003c\/li\u003e\n\u003cli\u003eTorque terminal retention screws according to recommended panel engineering standards to secure low-impedance connections and avoid vibration loosening.\u003c\/li\u003e\n\u003cli\u003eSeparate analog signal leads and high-current AC\/DC discrete lines in dedicated cabinet wire ducts to minimize inductive noise pickup.\u003c\/li\u003e\n\u003cli\u003eConnect all cable shield drain wires directly to the master cabinet grounding bar rather than grounding through signal terminal positions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52368565272872,"sku":"TC-TCBH","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/TC-TCNH_53ff8b31-9656-426e-b6f7-8327e3c81ed4.jpg?v=1789113354","url":"https:\/\/www.powerdcs.com\/products\/tc-tcbh-honeywell-terminal-block-assembly","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}