{"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 provides 16 individually isolated inputs with Sequence of Events (SOE) recording capabilities, making it ideal for monitoring critical process states where timing and event logging are essential. It is engineered to handle 125V DC sink\/source signals, offering robust performance in demanding industrial environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 individually isolated input channels for enhanced electrical noise immunity.\u003c\/li\u003e\n\u003cli\u003eIntegrated Sequence of Events (SOE) functionality for precise timestamping of input state changes.\u003c\/li\u003e\n\u003cli\u003eSupports a wide operating voltage range of 90-140V DC.\u003c\/li\u003e\n\u003cli\u003eLow power dissipation of 5.5 Watts at 60 degC for efficient thermal management.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard ControlLogix chassis backplanes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is frequently utilized in large-scale automation systems, including power distribution monitoring, emergency shutdown systems, and complex process control applications where high-voltage digital inputs and accurate event sequencing are required.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital Isolated Input Module (SOE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 (Individually Isolated)\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 to prevent damage to the backplane or module circuitry.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling to minimize EMI\/RFI interference, especially when dealing with high-voltage DC signals.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage levels are within the specified 90-140V DC range to maintain signal integrity and module longevity.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation in the control cabinet to keep the ambient temperature within the rated operating limits, ensuring the module stays below its maximum power dissipation threshold.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD (Electrostatic Discharge) mitigation practices when handling the module to protect internal electronic components.\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 log the exact time a state change occurs on an input channel, which is critical for troubleshooting and analyzing complex industrial processes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module support both sinking and sourcing configurations?\u003c\/strong\u003e\u003cbr\u003eYes, the 1756-IH16ISOE is designed to support both sink and source input configurations, providing flexibility for various field device wiring requirements.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44730759938136,"sku":"1756-IH16ISOE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_a3d7f810-03ff-452f-9d56-0a49a97646a9.jpg?v=1788660308","url":"https:\/\/www.industriaxplc.com\/ar\/products\/allen-bradley-1756-ih16isoe-sequence-of-events-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}