{"product_id":"b-r-7ao352-70-system-2003-analog-output-module","title":"Module de sortie analogique système 2003 B\u0026R 7AO352.70","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70 (7AO352.70)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision analog output module designed for the legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eB\u0026amp;R System 2003\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatform. Engineered for critical process control applications—such as variable speed drive regulation, proportional valve positioning, and industrial heating control—this module provides two high-resolution outputs. Supporting both voltage (\u003cstrong\u003e±10 V\u003c\/strong\u003e) and current (\u003cstrong\u003e0 to 20 mA\u003c\/strong\u003e) signals with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12-bit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eresolution, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures smooth and accurate transitions in automation workflows. Its rugged screw-in form factor and extensive certifications for hazardous locations make it a reliable choice for retrofitting or maintaining complex industrial systems in chemical processing, oil and gas, and power generation sectors.\u003c\/p\u003e\n\u003ch3\u003eSignal Control and Precision Engineering\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimized for versatility, allowing engineers to interface with a wide variety of field actuators and controllers without the need for additional signal converters.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Mode Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach of the two channels can be independently configured to output standard ±10 V voltage signals or 0 to 20 mA current loops, providing flexibility for diverse global equipment standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e12-Bit Resolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a resolution of 12-bit, the module divides the output range into 4,096 distinct steps, ensuring fine-tuned control over mechanical movements and process variables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eScrew-in Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module is designed as a secure screw-in unit for the System 2003 rack, ensuring maximum mechanical stability even in high-vibration environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eB\u0026amp;R (Bernecker + Rainer)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±10 VDC or 0 to 20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12-bit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eScrew-in module (System 2003)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHazLoc Certification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClass I, Division 2, Groups ABCD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UKCA, cULus, EAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRequired Accessory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTerminal Block TB712 (ordered separately)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I switch between the ±10 V and 0 to 20 mA output modes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe output mode for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis typically determined by the wiring configuration on the terminal block and the hardware parameter settings within the B\u0026amp;R programming environment. Consult your specific system documentation to ensure the software configuration matches the physical wiring to prevent component damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the terminal block included with the module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis supplied as the core screw-in module only. To complete the installation and field wiring, you must order the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB712 terminal block\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eas a separate line item.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the cULus HazLoc certification mean for my installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis certification indicates that the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis safe for use in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eClass I, Division 2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenvironments. This means it is engineered to operate safely in locations where flammable gases or vapors may be present under abnormal conditions (Groups ABCD), providing an extra layer of safety for refinery or chemical plant applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Block Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTB712\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eterminal block is seated firmly before tightening the module's mounting screws. Use a torque-limited screwdriver to avoid over-tightening, which can stress the internal PCB connectors over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor analog signals, especially ±10 V voltage outputs, use twisted-pair shielded cabling. Ground the shield at only one end (preferably at the control cabinet's common ground rail) to eliminate ground loops that can introduce jitter into the 12-bit signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Impedance Awareness:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen operating in current mode (0 to 20 mA), verify that the total loop resistance does not exceed the module's maximum drive capacity. Excessive resistance will cause the output to \"flatline\" before reaching the maximum 20 mA value.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7AO352.70\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estands out for its robust environmental resilience. While many modern modules prioritize plastic housings, this System 2003 unit is built for longevity in harsh \"legacy\" environments. Its ability to operate in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eClass I, Div 2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehazardous locations without additional purging equipment saves significant installation costs. Furthermore, the 12-bit resolution provides a \"sweet spot\" for industrial actuators, offering a balance of high-speed response and sufficient granularity for most industrial PID control loops.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"B\u0026R","offers":[{"title":"Default Title","offer_id":53086379049323,"sku":"7AO352.70","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/7ao35270-vblmcudpiuz.png?v=1776064704","url":"https:\/\/www.plcprotech.com\/fr\/products\/b-r-7ao352-70-system-2003-analog-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}