{"product_id":"allen-bradley-1746sc-no8i-analog-current-output-module","title":"Allen-Bradley 1746sc-NO8i Analog Current Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746sc-NO8i is a high-density, eight-channel analog current output module engineered by Spectrum Controls for integration within the SLC 500 programmable controller platform. This module is specifically designed to provide precise control signals for industrial field devices, including actuators, variable frequency drives (VFDs), and modulating control valves. By offering eight outputs in a single-slot configuration, it maximizes chassis efficiency in both local and remote I\/O rack setups.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEight isolated current output channels for high-density applications.\u003c\/li\u003e\n\u003cli\u003e16-bit resolution ensures high-precision signal output for sensitive control loops.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard SLC 500 backplane architectures.\u003c\/li\u003e\n\u003cli\u003eSupports configurable signal ranges of 0–20 mA and 4–20 mA.\u003c\/li\u003e\n\u003cli\u003eDesigned for demanding industrial environments with robust operating temperature tolerances.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is frequently utilized in process control environments requiring high-channel-count analog output, such as chemical processing, water treatment, and automated manufacturing lines. Typical use cases include driving final control elements like valve positioners and providing retransmitted signals to external monitoring systems or data loggers.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSpectrum Controls\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\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Ranges\u003c\/td\u003e\n\u003ctd\u003e0–20 mA, 4–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e120 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V DC)\u003c\/td\u003e\n\u003ctd\u003e240 mA\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\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for analog signals to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eGround the cable shields at the module end or according to your specific system grounding plan to avoid ground loops.\u003c\/li\u003e\n\u003cli\u003eTerminal screws should be tightened to 7–9 lb-in; do not exceed these torque specifications to avoid damaging the terminal block.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated in the chassis slot and the mounting screws are tightened to secure the unit.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation within the cabinet to stay within the 0 to 60 degC operating range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 1746sc-NO8i?\u003c\/strong\u003e\u003cbr\u003eIt is an analog output module used to convert digital values from an SLC 500 controller into precise current signals (0–20 mA or 4–20 mA) to control field equipment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with standard SLC 500 chassis?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to fit directly into a single slot of an Allen-Bradley SLC 500 chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum wire gauge for the terminals?\u003c\/strong\u003e\u003cbr\u003eThe terminal blocks accept wire sizes up to 14 AWG.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43993165758554,"sku":"1746sc-NO8i","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_c4c04e77-392b-4fed-974f-1ff1db09c2e5.jpg?v=1788293361","url":"https:\/\/www.spareoil.com\/es\/products\/allen-bradley-1746sc-no8i-analog-current-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}