{"product_id":"1756-ib16isoe-allen-bradley-digital-isolated-input-module-controllogix","title":"1756-IB16ISOE Allen-Bradley Digital Isolated Input Module ControlLogix","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-IB16ISOE\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-IB16ISOE\u003c\/strong\u003e Digital Isolated Input Module, operates as a dedicated hardware component for discrete signal time-stamping and galvanically isolated data acquisition within ControlLogix system backplanes. It processes 16 individual 24-48 VDC channels for high-resolution Sequence of Events recording.\u003c\/p\u003e\n\u003ch3\u003eNomenclature \u0026amp; Catalog Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756\u003c\/strong\u003e: Chassis-based ControlLogix programmable automation controller I\/O system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIB\u003c\/strong\u003e: DC digital input module configured for 24-48 VDC nominal operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16\u003c\/strong\u003e: 16 channel points featuring individual channel-to-channel electrical isolation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISOE\u003c\/strong\u003e: Isolated Sequence of Events logging capability with sub-millisecond timestamp resolution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Electrical Attributes\u003c\/h3\u003e\n\u003cfigure\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\u003e1756-IB16ISOE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\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\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.8 x 15.2 x 14.0 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\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e16 Individually Isolated; SOE capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24-48 VDC Sink-Source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-55 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time\u003c\/td\u003e\n\u003ctd\u003e50 us plus selected filter time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Operating Current\u003c\/td\u003e\n\u003ctd\u003e5.5 mA at 55 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Operating Current\u003c\/td\u003e\n\u003ctd\u003e2 mA at 10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlace of Shipment\u003c\/td\u003e\n\u003ctd\u003eXiamen, China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eNetwork Determinism \u0026amp; System Backplane Execution\u003c\/h3\u003e\n\u003cp\u003eThe module leverages backplane bus communication velocity to stream synchronized time-stamped events directly to the system processor. Operating over EtherNet\/IP deterministic networks, it maintains precise time coordination between local and distributed chassis nodes. Enhanced I\/O density scaling allows 16 isolated channels within a single slot form factor. Onboard memory supports firmware flash compatibility to maintain long-term alignment with Studio 5000 environment standards.\u003c\/p\u003e\n\u003ch3\u003eStandard Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-IB16ISOE input module in anti-static protective enclosure\u003c\/li\u003e\n\u003cli\u003e1 x Installation instruction datasheet insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Wiring \u0026amp; Mounting Procedures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify keyed position pins on the Removable Terminal Block (RTB) prior to inserting into the chassis slot.\u003c\/li\u003e\n\u003cli\u003eMaintain minimum 50 mm clearance above and below chassis ventilation slots for passive convection cooling.\u003c\/li\u003e\n\u003cli\u003eRoute DC input field wiring separately from AC power supply cables to prevent inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003eSecure all field shield wires to a single low-impedance ground point at the enclosure entry panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Query Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the response latency for digital input state detection?\u003c\/p\u003e\n\u003cp\u003eThe module features a hardware input delay time of 50 us, plus any user-configured digital filter processing time added in configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan individual input channels operate on independent DC voltage sources?\u003c\/p\u003e\n\u003cp\u003eYes, all 16 input channels are individually isolated, allowing operation across separate voltage supplies ranging from 10 to 55 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs Removal and Insertion Under Power (RIUP) permitted for this unit?\u003c\/p\u003e\n\u003cp\u003eYes, the module supports RIUP under operational conditions, provided field wiring power to the RTB is safely isolated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are input state changes time-stamped for SOE recording?\u003c\/p\u003e\n\u003cp\u003eThe onboard microprocessor captures state changes and assigns timestamps derived from the synchronized backplane system clock.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat terminal blocks are required for field signal connections?\u003c\/p\u003e\n\u003cp\u003eThe unit connects using standard 36-pin ControlLogix Removable Terminal Blocks, such as the 1756-TBCH or 1756-TBS6H assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module support both sinking and sourcing field configurations?\u003c\/p\u003e\n\u003cp\u003eYes, the input circuitry accommodates 24-48 VDC nominal sink or source field wiring configurations per isolated channel point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat visual diagnostics are available on the front housing?\u003c\/p\u003e\n\u003cp\u003eLED indicators display module operational status, communication health, and real-time ON\/OFF state for all 16 input channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does individual channel isolation protect control logic hardware?\u003c\/p\u003e\n\u003cp\u003eGalvanic isolation barriers prevent high voltage transients on one input channel from propagating to adjacent channels or backplane circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066414157997,"sku":"1756-IB16ISOE","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1756-IB16ISOE_3.jpg?v=1787192541","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1756-ib16isoe-allen-bradley-digital-isolated-input-module-controllogix","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}