{"product_id":"allen-bradley-1746-no4i-slc-500-analog-output-module","title":"Allen-Bradley 1746-NO4I SLC 500 Analog Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1746-NO4I\u003c\/strong\u003e is a 4-channel current analog output module designed for use within SLC 500 automation control systems. It provides 4 non-isolated current output channels that convert 16-bit binary values from the SLC processor into continuous analog current signals. The module operates using backplane power from the 1746 chassis or through an external user-supplied 24V DC power supply to reduce backplane power supply loading. Connection to field devices is established via a 18-point removable terminal block.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures 4 non-isolated current output channels.\u003c\/li\u003e\n\u003cli\u003eConfigurable power source selection using an onboard DIP switch (SW1) for backplane or external 24V DC power.\u003c\/li\u003e\n\u003cli\u003eCommunicates with the processor using 16-bit Two's Complement Binary data format.\u003c\/li\u003e\n\u003cli\u003eSupports field wiring to backplane isolation rated at 500V DC.\u003c\/li\u003e\n\u003cli\u003eIncludes a removable terminal block for convenient maintenance and module replacement.\u003c\/li\u003e\n\u003cli\u003eFront panel features a Power Status LED that indicates when backplane power is active.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnalog current loop control driving field control elements.\u003c\/li\u003e\n\u003cli\u003eVariable frequency drive speed reference signal generation.\u003c\/li\u003e\n\u003cli\u003eControl valve positioning and proportional actuator interfacing.\u003c\/li\u003e\n\u003cli\u003eIndustrial process control loops utilizing 4 to 20 mA or 0 to 20 mA current signals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog Number\u003c\/td\u003e\n\u003ctd\u003e1746-NO4I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4 current channels (not individually isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Range (Normal)\u003c\/td\u003e\n\u003ctd\u003e0 to +20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverrange Capability\u003c\/td\u003e\n\u003ctd\u003e5% (0 to +21 mA - 1 LSB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Format\u003c\/td\u003e\n\u003ctd\u003e16-Bit Two's Complement Binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConverter Resolution\u003c\/td\u003e\n\u003ctd\u003e14 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Resolution\u003c\/td\u003e\n\u003ctd\u003e2.56348 uA per LSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-linearity\u003c\/td\u003e\n\u003ctd\u003e0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Method\u003c\/td\u003e\n\u003ctd\u003eR-2R Ladder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStep Response\u003c\/td\u003e\n\u003ctd\u003e2.5 ms (at 95%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Range\u003c\/td\u003e\n\u003ctd\u003e0 to 500 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Reactance\u003c\/td\u003e\n\u003ctd\u003e100 uH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Isolation\u003c\/td\u003e\n\u003ctd\u003e500V DC (Field Wiring to Backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e55 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V DC)\u003c\/td\u003e\n\u003ctd\u003e195 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal 24V DC Power Requirement\u003c\/td\u003e\n\u003ctd\u003e24V DC +\/-10% at 195 mA max. (21.6 to 26.4V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Time\u003c\/td\u003e\n\u003ctd\u003e512 us for all channels in parallel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Cable\u003c\/td\u003e\n\u003ctd\u003eShielded Belden 8761\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Wire Size\u003c\/td\u003e\n\u003ctd\u003e#14 AWG (maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Block\u003c\/td\u003e\n\u003ctd\u003eRemovable\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\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 degC (-40 to +185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Immunity\u003c\/td\u003e\n\u003ctd\u003eNEMA Standard ICS 2-230\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eOUT 0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eANL COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOUT 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eANL COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eOUT 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eANL COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eOUT 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eANL COM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e+24V DC (External Power Connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eDC COM (External Power Connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Interruption\u003c\/strong\u003e: Disconnect power from the SLC 500 system and external sources before installing, removing, or wiring the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Selection\u003c\/strong\u003e: Set the onboard DIP switch (SW1) to UP when using an external 24V DC power source, or DOWN to power the module from the chassis backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting\u003c\/strong\u003e: Align the module circuit board with the chassis card guides and slide the module into the slot until top and bottom retaining clips snap in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Placement\u003c\/strong\u003e: Position the module in a chassis slot away from AC or high-voltage DC modules and away from the system power supply to reduce noise exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Practice\u003c\/strong\u003e: Use Belden 8761 shielded twisted-pair cable for signal wiring. Ground the drain wire and foil shield at the load end, or at the chassis mounting tab if grounding at the load is not feasible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Block Installation\u003c\/strong\u003e: Secure connections on the removable terminal block using a maximum torque of 0.57 Nm (5 lb-in). Do not jumper unused output terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCULUS C-UL Listed Industrial Control Equipment\u003c\/li\u003e\n\u003cli\u003eCE Marked for all applicable directives\u003c\/li\u003e\n\u003cli\u003eC-Tick Marked for all applicable acts\u003c\/li\u003e\n\u003cli\u003eFunctional Safety TUV certified according to DIN V 19250 and IEC 61508 (1002D, AK 1 to 6, SIL 1 to 3)\u003c\/li\u003e\n\u003cli\u003eCategory 1 to 4 according to EN954-1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695189717355,"sku":"1746-NO4I","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1746-no4i-analog-output-module-w5men3yljna_c5022f3f-f828-4c34-b965-928cf10fe0d7.jpg?v=1766114586","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1746-no4i-slc-500-analog-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}