{"product_id":"allen-bradley-1756-ih16isoe-sequence-of-events-module","title":"Allen-Bradley 1756-IH16ISOE ControlLogix Digital Isolated Input Module","description":"\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) capability, providing precise timestamping for critical industrial processes. Engineered for 125V DC sink\/source applications, it ensures reliable signal acquisition in demanding electrical environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 individually isolated input channels for enhanced noise immunity and system flexibility.\u003c\/li\u003e\n\u003cli\u003eIntegrated Sequence of Events (SOE) functionality for accurate event recording and diagnostics.\u003c\/li\u003e\n\u003cli\u003eSupports a wide operating voltage range of 90-140V DC.\u003c\/li\u003e\n\u003cli\u003eOptimized for low power dissipation, rated at 5.5 Watts at 60 degC.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard ControlLogix chassis backplanes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IH16ISOE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e16 Individually Isolated, 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 Voltage 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 + selected filter time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current (Max)\u003c\/td\u003e\n\u003ctd\u003e0.3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current (Min\/Max)\u003c\/td\u003e\n\u003ctd\u003e1.15 mA at 90V \/ 1.85 mA at 140V\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 to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated in the slot and the locking tab is engaged.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling to minimize EMI interference in high-voltage DC environments.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance within the cabinet to allow for proper airflow and cooling, adhering to the 60 degC maximum ambient temperature rating.\u003c\/li\u003e\n\u003cli\u003eFollow local grounding practices for all I\/O wiring to ensure signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the SOE feature in this module?\u003c\/strong\u003e\u003cbr\u003eThe Sequence of Events (SOE) capability allows the module to capture the exact timing of input transitions, which is essential for troubleshooting complex sequences and understanding the order of operations during system faults.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with standard 24V DC signals?\u003c\/strong\u003e\u003cbr\u003eNo, this module is specifically designed for 125V DC applications with an operating range of 90-140V DC. Using it with 24V DC signals will result in non-operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48903185825982,"sku":"1756-IH16ISOE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_1957c4f6-4f4f-49dc-abc7-6740019e5d66.jpg?v=1789190642","url":"https:\/\/www.autooiltech.com\/ar\/products\/allen-bradley-1756-ih16isoe-sequence-of-events-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}