{"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":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-IG16 is a high-speed digital input module specifically engineered for the SLC 500 programmable controller platform. This module provides 16 current-sourcing inputs designed to interface directly with 5V DC Transistor-Transistor Logic (TTL) and Binary Coded Decimal (BCD) signals. It is an essential component for applications requiring the integration of microcontrollers, high-speed electronic sensors, and specialized encoders that operate at TTL voltage levels.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 current-sourcing digital input channels.\u003c\/li\u003e\n\u003cli\u003eOptimized for 5V DC TTL signal compatibility.\u003c\/li\u003e\n\u003cli\u003eFast response times with 0.25 ms (ON) and 0.5 ms (OFF) signal delays.\u003c\/li\u003e\n\u003cli\u003eElectro-optical isolation rated at 1500V AC to protect the SLC backplane from electrical noise and transients.\u003c\/li\u003e\n\u003cli\u003eCompact design for seamless integration into existing SLC 500 chassis configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 1746-IG16 is ideal for industrial environments where high-speed electronic logic integration is required. Typical applications include interfacing with TTL-based microcontrollers, high-speed pulse counting, monitoring BCD output devices, and connecting to specialized electronic sensors that do not conform to standard 24V DC industrial signal levels.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\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 Line\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital DC TTL Input (Sourcing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\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\u003e0.14 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage Range\u003c\/td\u003e\n\u003ctd\u003e2.0 to 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current\u003c\/td\u003e\n\u003ctd\u003e4.1 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 Voltage\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 (32 to 140 degF)\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 is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eThe module should be seated firmly into the desired slot of the SLC 500 chassis and secured using the top and bottom mounting screws.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for input signals to minimize EMI interference, especially in high-speed applications.\u003c\/li\u003e\n\u003cli\u003eEnsure that the 5V DC common is properly referenced to the module's input common to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation around the chassis to ensure the operating temperature remains within the 0 to 60 degC range.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD (Electrostatic Discharge) precautions when handling the module to prevent component damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1746-IG16 compatible with standard 24V DC sensors?\u003c\/h3\u003e\u003cp\u003eNo, this module is specifically designed for 5V DC TTL signals. Connecting 24V DC signals will cause permanent damage to the module circuitry.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power for the inputs?\u003c\/h3\u003e\u003cp\u003eThe 1746-IG16 is a sourcing input module; it requires a 5V DC power source to be provided to the input devices to drive the current into the module inputs.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50695379222780,"sku":"1746-IG16","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_e0586445-c61d-4a33-80ab-49794fc7e03c.jpg?v=1785120376","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1746-ig16-16-channel-5v-dc-ttl-sourcing-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}