{"product_id":"allen-bradley-1746-ig16-16-channel-5v-dc-ttl-sourcing-input-module","title":"Allen-Bradley 1746-IG16 16-Channel 5V DC TTL Sourcing Input Module","description":"\u003cp\u003eThe Allen-Bradley 1746-IG16 is a high-speed, 16-channel digital input module specifically engineered for the SLC 500 controller platform. Designed for applications requiring TTL (Transistor-Transistor Logic) level compatibility, this module facilitates the direct interface of 5V DC signals, making it an essential component for systems utilizing microcontrollers, high-speed sensors, and BCD-based equipment.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSixteen (16) individual current-sourcing input channels.\u003c\/li\u003e\n\u003cli\u003eOptimized for low-latency performance with a signal delay of 0.25 ms (ON) and 0.5 ms (OFF).\u003c\/li\u003e\n\u003cli\u003eIntegrated electro-optical isolation rated at 1500V AC to protect the SLC 500 backplane from field-side electrical interference.\u003c\/li\u003e\n\u003cli\u003eEngineered for 5V DC logic levels, supporting an input voltage range of 4.5 to 5.5V DC.\u003c\/li\u003e\n\u003cli\u003eCompact SLC 500 form factor for efficient rack mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is ideally suited for industrial environments where high-speed electronic signal acquisition is required. It is frequently employed in systems interfacing with digital encoders, micro-processor-based controllers, and other 5V DC logic devices that cannot be serviced by standard 24V DC input modules.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\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\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e5V DC TTL Sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e4.5 to 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (ON\/OFF)\u003c\/td\u003e\n\u003ctd\u003e0.25 ms \/ 0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd\u003e140 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1 Watt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eVerify that all field wiring is properly routed away from high-voltage AC lines to minimize EMI.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for high-speed signal inputs to maintain data integrity.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated in the chassis slot and secured with the integrated locking tabs.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation within the enclosure to ensure the ambient temperature does not exceed 60 degC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the 1746-IG16 compatible with 24V DC signals?\u003c\/strong\u003e\u003cbr\u003eNo, this module is strictly designed for 5V DC TTL signals. Applying 24V DC to the inputs will cause permanent damage to the module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module require external power?\u003c\/strong\u003e\u003cbr\u003eThe module draws its required power from the SLC 500 backplane (140 mA at 5V DC). It does not require a separate external power supply for the logic circuitry.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44725233287256,"sku":"1746-IG16","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_3d541fd6-c30a-4574-8429-46e0515d68e6.jpg?v=1788504314","url":"https:\/\/www.industriaxplc.com\/ar\/products\/allen-bradley-1746-ig16-16-channel-5v-dc-ttl-sourcing-input-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}