{"product_id":"honeywell-51306856-175-digital-input-terminal-assembly","title":"Honeywell 51306856-175 Digital Input Terminal Assembly","description":"\u003ch2\u003eHoneywell 51306856-175 Digital Input Terminal Assembly\u003c\/h2\u003e\n\u003cp\u003eConfigured for 24 VDC discrete signal acquisition in Honeywell Experion PKS C300 Controller Series 8 systems, the \u003cstrong\u003eHoneywell 51306856-175\u003c\/strong\u003e (\u003cstrong\u003e8C-TDIL01\u003c\/strong\u003e \/ \u003cstrong\u003e8U-TDIL01\u003c\/strong\u003e Digital Input Terminal Assembly) provides direct electrical interfacing between field devices and digital control processing modules.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e51306856-175\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input Terminal Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell Experion PKS \/ C300 Controller Series 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssociated Models\u003c\/td\u003e\n\u003ctd\u003e8C-TDIL01 (Conformal Coated), 8U-TDIL01 (Uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input, 24 VDC discrete signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18 VDC to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Interface\u003c\/td\u003e\n\u003ctd\u003eDry contact and solid-state digital sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Logic\u003c\/td\u003e\n\u003ctd\u003eCurrent sinking \/ sourcing configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Type\u003c\/td\u003e\n\u003ctd\u003eField-to-logic galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e1500 VAC \/ 2500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating Option\u003c\/td\u003e\n\u003ctd\u003e8C-TDIL01 conformal coating; 8U-TDIL01 uncoated design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eI\/O Module Carrier \/ DIN Rail Mount Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Process Control Interface\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 51306856-175 interfaces field discrete signals with Experion PKS Series 8 control hardware through isolated digital input channels. Therefore, the assembly separates field wiring circuits from controller electronics to reduce electrical interference caused by industrial switching devices.\u003c\/p\u003e\n\u003cp\u003eThe module supports 32-channel digital input acquisition for devices including limit switches, relay contacts, and discrete status sensors. In addition, the conformal coated 8C-TDIL01 version applies protective coating technology for environments requiring resistance against moisture and corrosive atmospheric conditions.\u003c\/p\u003e\n\u003cp\u003eThe terminal assembly operates within Honeywell process control architectures where channel-to-channel isolation and field signal conditioning maintain stable digital status transmission.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What field signals can the Honeywell 51306856-175 accept?\u003cbr\u003eA: The module accepts 24 VDC discrete input signals from dry contacts and solid-state field devices. The input circuitry converts these field states into digital information for Experion PKS control processing.\u003c\/p\u003e\n\u003cp\u003eQ: What is the difference between 8C-TDIL01 and 8U-TDIL01 configurations?\u003cbr\u003eA: The 8C-TDIL01 version uses conformal coating for additional environmental protection, while the 8U-TDIL01 version uses an uncoated construction for standard installation environments.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module provide electrical isolation between field wiring and controller electronics?\u003cbr\u003eA: Yes. The assembly provides galvanic isolation between field circuits and logic-side electronics to limit electrical noise transfer and protect connected control hardware.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module on the specified Honeywell Series 8 I\/O carrier assembly according to system hardware documentation.\u003c\/li\u003e\n\u003cli\u003eVerify field wiring polarity and voltage levels before connecting 24 VDC digital input circuits.\u003c\/li\u003e\n\u003cli\u003eSeparate low-level signal wiring from high-current switching cables to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the plant grounding standard and avoid multiple grounding points that can create ground loops.\u003c\/li\u003e\n\u003cli\u003eConfirm terminal tightening conditions and inspect wiring insulation before system startup.\u003c\/li\u003e\n\u003cli\u003eFor coated versions, avoid mechanical damage to protective surfaces during handling and installation.\u003c\/li\u003e\n\u003cli\u003eVerify controller configuration and channel assignment before enabling field device operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44416288096344,"sku":"51306856-175 8C-TDIL01 8U-TDIL01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/51306856-1758C-TDIL018U-TDIL01-2.jpg?v=1784714799","url":"https:\/\/www.industriaxplc.com\/products\/honeywell-51306856-175-digital-input-terminal-assembly","provider":"IndustriaX Limited","version":"1.0","type":"link"}