{"product_id":"buy-allen-bradley-1746-ob32-32-channel-slc-500-dc-module","title":"Buy Allen-Bradley 1746-OB32 32-Channel SLC 500 DC Module","description":"\u003ch3\u003e\u003cstrong\u003eAllen-Bradley 1746-OB32 SLC 500 Digital Output Module | Global PLC Spare HUB Review\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDiscover the \u003cstrong\u003eAllen-Bradley 1746-OB32\u003c\/strong\u003e SLC 500 Digital DC Output Module. Explore specs, applications, and fast shipping from Global PLC Spare HUB.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1746-OB32\u003c\/strong\u003e belongs to the \u003cstrong\u003eSLC 500\u003c\/strong\u003e controller platform. This unit functions as a high-density digital DC output module. Engineers deploy this hardware to control industrial actuators efficiently. Global PLC Spare HUB reviews highlight this module for reliable discrete control performance.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1746-OB32\u003c\/strong\u003e features robust electrical parameters for demanding automation tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Rockwell Automation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number \/ Catalog No.\u003c\/strong\u003e: \u003cstrong\u003e1746-OB32\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: \u003cstrong\u003eSLC 500\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Type\u003c\/strong\u003e: Digital DC Output Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Range\u003c\/strong\u003e: 5 to 50 Volts DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Output Voltage\u003c\/strong\u003e: 24VDC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Outputs\u003c\/strong\u003e: Thirty-two (32) channels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoints Per Common\u003c\/strong\u003e: Sixteen (16) points\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Per Output\u003c\/strong\u003e: 0.25 Amps (0 to 60 degrees Celsius)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Per Module\u003c\/strong\u003e: 8 Amps nominal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Per Common\u003c\/strong\u003e: 2 Amps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Current Load\u003c\/strong\u003e: 1.0 mA per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Delay\u003c\/strong\u003e: 0.1 ms ON, 1.0 ms OFF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackplane Current (5V DC)\u003c\/strong\u003e: 190 mA (0.19A)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e: 0.172W per point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Module Heat Dissipation\u003c\/strong\u003e: 6.45W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range\u003c\/strong\u003e: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Tolerance\u003c\/strong\u003e: 5 to 95 percent non-condensing humidity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Shock and Vibration\u003c\/strong\u003e: 30G operating shock, 2.5G vibration at 10-200 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNoise Immunity\u003c\/strong\u003e: NEMA ICS 2-230 standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMount the \u003cstrong\u003e1746-OB32\u003c\/strong\u003e in any available slot of a \u003cstrong\u003e1746\u003c\/strong\u003e chassis except slot 0. Connect wiring securely using pre-assembled \u003cstrong\u003e1492\u003c\/strong\u003e wiring systems or a \u003cstrong\u003e1746-N3\u003c\/strong\u003e connector. Proper termination prevents front panel overcrowding and ensures safe module door closure.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Interposing Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003e1746-OB32\u003c\/strong\u003e module operates seamlessly within \u003cstrong\u003eSLC 500\u003c\/strong\u003e fixed or modular hardware architectures. For AC load compatibility, technicians implement an interposing relay with a 24VDC coil. This configuration isolates the system and protects the \u003cstrong\u003e1746-OB32\u003c\/strong\u003e from electrical noise in legacy wiring setups.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCertifications \u0026amp; Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1746-OB32\u003c\/strong\u003e holds critical safety and industrial certifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eC-UL and UL Listed Industrial Control Equipment\u003c\/li\u003e\n  \u003cli\u003eClass I, Division 2, Groups A, B, C, D Hazardous Locations rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackaging List \u0026amp; Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAllen-Bradley 1746-OB32\u003c\/strong\u003e module\u003c\/li\u003e\n  \u003cli\u003eRemovable Terminal Block (RTB)\u003c\/li\u003e\n  \u003cli\u003eOctal Door label\u003c\/li\u003e\n  \u003cli\u003eColor-coded module bar\u003c\/li\u003e\n  \u003cli\u003e12-month comprehensive warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB ensures rapid fulfillment for the \u003cstrong\u003e1746-OB32\u003c\/strong\u003e. Orders process within 24 to 48 hours. Reliable courier services include FedEx, UPS, and DHL.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTypical Applications \u0026amp; Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eField engineers utilize the \u003cstrong\u003e1746-OB32\u003c\/strong\u003e to drive pilot lamps, horns, sirens, solenoids, and small motors. Thirty-two dedicated front-panel LEDs provide immediate status diagnostics for every channel. Technicians quickly isolate faults by observing individual LED indicators during active operation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQuestion: Can the 1746-OB32 drive AC loads directly?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAnswer: No. The \u003cstrong\u003e1746-OB32\u003c\/strong\u003e provides a DC output voltage. Technicians must use an interposing relay with a 24VDC coil to control AC devices safely.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQuestion: What causes channel failure in high-frequency applications?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAnswer: Exceeding the 0.25A current limit per output point degrades internal switching components. Engineers should verify load currents before startup.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQuestion: How does Global PLC Spare HUB test the 1746-OB32 before shipping?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAnswer: Technicians verify backplane current draw, signal delay times, and LED functionality under simulated industrial loads.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013983723702,"sku":"1746-OB32","price":153.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1746-OB32_a33eded3-c6c6-4e6b-a76e-b6e8c3197a78.jpg?v=1784701759","url":"https:\/\/www.plcsparehub.com\/products\/buy-allen-bradley-1746-ob32-32-channel-slc-500-dc-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}