{"product_id":"4-pt-analog-voltage-current-out-1756-of4-a-allen-bradley","title":"4-Pt Analog Voltage Current Out | 1756-OF4\/A Allen Bradley","description":"\u003ch3\u003e\u003cstrong\u003eAllen Bradley 1756-OF4\/A ControlLogix 4-Channel Analog Output Module\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF4\/A (1756-OF4\/A)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile analog output module from the Rockwell Automation ControlLogix I\/O platform. It is engineered to provide precise control signals for industrial field devices, featuring four non-isolated channels that are individually software-configurable. This module acts as the interface between the controller's digital logic and analog actuators, enabling fine-tuned adjustments for process variables.\u003c\/p\u003e\n\u003cp\u003eSupporting both voltage and current signaling, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF4\/A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly utilized to drive control valves, modulate variable frequency drives (VFDs), and provide setpoints for auxiliary controllers. Its integration into the ControlLogix backplane ensures high-speed data synchronization and comprehensive module-level diagnostics.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF4\/A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built for high-resolution performance within the ControlLogix environment:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Allen-Bradley (Rockwell Automation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\/Catalog Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF4\/A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e: Analog Output (Non-isolated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Outputs\u003c\/strong\u003e: 4 Channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Ranges (Voltage)\u003c\/strong\u003e: ±10V, 0…10V, 0…5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Ranges (Current)\u003c\/strong\u003e: 0…20 mA, 4…20 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e: 15 bits across 10.5V (320 μV\/bit); 14 bits across 21 mA (1.3 μA\/bit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Settling Time\u003c\/strong\u003e: 2 ms maximum to 0.1% of final value\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration Accuracy\u003c\/strong\u003e: Better than 0.05% of range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (5.1V DC)\u003c\/strong\u003e: 150 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (24V DC)\u003c\/strong\u003e: 120 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e: 3.7 W (Voltage); 4.5 W (Current)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 250V (continuous), tested at 1350V AC for 2 s (between output channels and backplane)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Format\u003c\/strong\u003e: Integer (scaled), Floating Point\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRemovable Terminal Block (RTB)\u003c\/strong\u003e: 1756-TBNH or 1756-TBSH (20-pin)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3 kg (0.77 lb)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":44001005207651,"sku":"1756-OF4\/A","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/282.1_0a73d988-7912-46c8-85fa-1ac487e1b08b.jpg?v=1770965781","url":"https:\/\/www.autocontrolglobal.com\/products\/4-pt-analog-voltage-current-out-1756-of4-a-allen-bradley","provider":"AutoControl Global","version":"1.0","type":"link"}