{"product_id":"allen-bradley-1756-ih16isoe-sequence-of-events-module","title":"Allen-Bradley 1756-IH16ISOE ControlLogix Digital Isolated Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-IH16ISOE is a high-performance Digital Isolated Input Module designed for the ControlLogix platform. This module features 16 individually isolated inputs with Sequence of Events (SOE) recording capabilities, making it ideal for applications requiring precise time-stamping of critical system changes. It is engineered to handle 125V DC sink\/source signals within a robust operating range of 90-140V DC, ensuring reliable integration into complex industrial control environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 individually isolated input channels for enhanced signal protection.\u003c\/li\u003e\n\u003cli\u003eIntegrated Sequence of Events (SOE) functionality for high-resolution event logging.\u003c\/li\u003e\n\u003cli\u003eCompatible with 125V DC nominal input voltages.\u003c\/li\u003e\n\u003cli\u003eDesigned for high-density I\/O requirements within the ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eLow power dissipation of 5.5 Watts at 60 degC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital Isolated Input (SOE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e125V DC (Sink\/Source)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range\u003c\/td\u003e\n\u003ctd\u003e90-140V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd\u003e275 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V)\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time\u003c\/td\u003e\n\u003ctd\u003e75 microseconds + filter time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Operating Current\u003c\/td\u003e\n\u003ctd\u003e1.15 mA at 90V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Operating Current\u003c\/td\u003e\n\u003ctd\u003e1.85 mA at 140V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Off-State Current\u003c\/td\u003e\n\u003ctd\u003e0.3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling to minimize EMI interference in high-voltage DC environments.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated in the chassis slot and secured with the top and bottom latches.\u003c\/li\u003e\n\u003cli\u003eAdhere to standard ESD protection practices when handling the module to prevent damage to internal circuitry.\u003c\/li\u003e\n\u003cli\u003eProper grounding of the chassis backplane is essential for maintaining signal integrity and safety.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the SOE feature on this module?\u003c\/strong\u003e\u003cbr\u003eThe Sequence of Events (SOE) capability allows the module to record the precise timing of input state changes, which is critical for fault analysis and process monitoring in time-sensitive applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this module be used in a standard ControlLogix chassis?\u003c\/strong\u003e\u003cbr\u003eYes, the 1756-IH16ISOE is designed to fit standard 1756 ControlLogix chassis and requires a compatible Removable Terminal Block (RTB) for field wiring.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51217648517372,"sku":"1756-IH16ISOE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_e4290acc-3385-45a3-8d2e-f485a5728a3a.jpg?v=1788377818","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-ih16isoe-sequence-of-events-module","provider":"Electronic PLC","version":"1.0","type":"link"}