{"product_id":"allen-bradley-1746-ih16-16-channel-125v-dc-sinking-input-module","title":"Allen-Bradley 1746-IH16 SLC 500 16-Point 125V DC Sinking Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-IH16 is a 16-point DC sinking input module designed for the SLC 500 programmable logic controller (PLC) platform. This module provides high-voltage DC input capabilities, specifically engineered for 125V DC applications. It is used to interface field devices such as sensors, switches, and pushbuttons with the SLC 500 backplane, facilitating reliable signal processing in industrial control systems.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16-point input density for space-efficient I\/O configuration.\u003c\/li\u003e\n\u003cli\u003eCurrent sinking input design compatible with 125V DC field signals.\u003c\/li\u003e\n\u003cli\u003eIntegrated status indicators for visual confirmation of input signal state.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration into standard SLC 500 chassis.\u003c\/li\u003e\n\u003cli\u003eLow backplane power consumption to support high-density system configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1746-IH16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Points\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e90-146V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eCurrent Sinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e85 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay\u003c\/td\u003e\n\u003ctd\u003e9 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current\u003c\/td\u003e\n\u003ctd\u003e0.8 mA\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 to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify the module is fully seated in the chassis slot and the locking tabs are engaged.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for input signals to minimize electromagnetic interference (EMI) in high-noise industrial environments.\u003c\/li\u003e\n\u003cli\u003eMaintain proper wire routing to separate signal-level wiring from high-voltage power lines.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is handled using proper ESD (Electrostatic Discharge) precautions to protect internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1746-IH16?\u003c\/h3\u003e\u003cp\u003eThe 1746-IH16 is a digital input module that converts 125V DC field signals into logic levels compatible with the SLC 500 processor, allowing the PLC to monitor the status of external devices.\u003c\/p\u003e\u003ch3\u003eIs this module compatible with all SLC 500 chassis?\u003c\/h3\u003e\u003cp\u003eYes, the 1746-IH16 is designed to fit into any standard SLC 500 I\/O chassis slot.\u003c\/p\u003e\u003ch3\u003eWhat does current sinking mean for this module?\u003c\/h3\u003e\u003cp\u003eIn a sinking input configuration, the module provides the return path to common for the input circuit. The field device must be wired to source the current to the module input terminal.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50694981910780,"sku":"1746-IH16","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_63610e92-043f-415e-85ee-861c4cbbcb42.jpg?v=1785120029","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1746-ih16-16-channel-125v-dc-sinking-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}