{"product_id":"allen-bradley-1746-no4i-slc-500-analog-output-module-4-channel","title":"Allen-Bradley 1746-NO4I SLC 500 Analog Output Module 4 Channel","description":"\u003ch2 style=\"color: #333333;\"\u003eAllen-Bradley 1746-NO4I SLC 500 Analog Output Module\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong style=\"color: #333333;\"\u003eAllen-Bradley 1746-NO4I\u003c\/strong\u003e is a 4-channel analog current output module for SLC 500 systems. Provides 0 to +20 mA output range with 14-bit resolution. Features 512 microsecond update time and 2.5 ms step response. Weight: 0.45 kg (1.00 lbs).\u003c\/p\u003e\n\u003ch3 style=\"color: #333333;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px; border: 1px solid #333333;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eParameter\u003c\/td\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eSpecification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e1746-NO4I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eModule Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003eAnalog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eOutput Current Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e0 to +20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eFull Scale Output\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e21 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eOverrange Capability\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e5% (0 to +21 mA - 1 LSB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eCurrent Output Coding\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e0 to +32764\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e14 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eUpdate Time\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e512 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eStep Response\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e2.5 milliseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e55 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eBackplane Current (24V)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e195 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eLoad Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e0 to 500 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eMax Load Reactance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e100 µH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eAccuracy Drift\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e±70 ppm\/°C full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e0°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eHumidity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: bold; border: 1px solid #333333; padding: 8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #333333; padding: 8px;\"\u003e0.45 kg (1.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #333333;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 analog current output channels for SLC 500 systems\u003c\/li\u003e\n\u003cli\u003e0 to +20 mA output range with 14-bit resolution\u003c\/li\u003e\n\u003cli\u003e512 microsecond update time for all channels in parallel\u003c\/li\u003e\n\u003cli\u003e2.5 millisecond step response at 95%\u003c\/li\u003e\n\u003cli\u003eEmbedded selector switch for internal or external power supply\u003c\/li\u003e\n\u003cli\u003eRemovable terminal block for simplified wiring\u003c\/li\u003e\n\u003cli\u003eLED status indicator for module monitoring\u003c\/li\u003e\n\u003cli\u003eFactory-calibrated for accurate performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #333333;\"\u003eInstallation Guidelines (Field Engineer Notes)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePower Selection:\u003c\/strong\u003e Select internal power supply (backplane) or external 24V DC ±10% at 195 mA max via embedded selector switch. Some applications require 21.6-26.4V DC when backplane power is insufficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded cable such as Belden 8761 or equivalent. Keep cable lengths as short as possible. Ground shield at the module end only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Connection:\u003c\/strong\u003e Connect loads with 0-500 ohm impedance. Maximum load reactance is 100 µH. Verify load compatibility before connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation:\u003c\/strong\u003e Backplane isolation is 500V DC. Do not exceed this rating.\u003c\/p\u003e\n\u003ch3 style=\"color: #333333;\"\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What is the output current range of the 1746-NO4I?\u003c\/strong\u003e\u003cbr\u003eA1. The module provides 0 to +20 mA output range with full-scale output of 21 mA and 14-bit resolution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Can the module use external power?\u003c\/strong\u003e\u003cbr\u003eA2. Yes. An embedded selector switch allows selection of internal backplane power or external 24V DC ±10% at 195 mA max.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. What is the maximum load impedance?\u003c\/strong\u003e\u003cbr\u003eA3. The module supports load range of 0 to 500 ohms with maximum load reactance of 100 µH.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67637260484740,"sku":"1746-NO4I","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1746-NO4I.jpg?v=1792417657","url":"https:\/\/www.etowonauto.com\/tk\/products\/allen-bradley-1746-no4i-slc-500-analog-output-module-4-channel","provider":"Etowon Auto","version":"1.0","type":"link"}