{"product_id":"750-312-wago-modbus-rtu-rs-485-fieldbus-coupler-for-wago-io-system-750","title":"750-312 | Wago MODBUS RTU RS-485 Fieldbus Coupler for WAGO I\/O System 750","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"137\" data-end=\"417\"\u003eThe Wago 750-312 fieldbus coupler is designed to connect the WAGO I\/O System 750 as a slave device to a MODBUS RTU network via RS-485. It manages communication between fieldbus systems and modular I\/O, supporting reliable data exchange for digital, analog, and specialty modules. This unit is optimized for industrial automation environments requiring stable serial communication and flexible I\/O expansion.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWago\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e750-312\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFieldbus Couplers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFieldbus Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMODBUS RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShielded twisted pair cable (2 × 0.25 mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBaud Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 Baud to 19.2 kBd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. I\/O Points\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. Fieldbus Nodes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eField Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 24 V (-25 % \/ +30 %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 24 V (-25 % \/ +30 %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption (5 V System)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN-35 rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e194.889 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e750-312\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 750-312 is a MODBUS RTU fieldbus coupler within the WAGO I\/O System 750 series, engineered for distributed automation architectures. It supports mixed I\/O configurations, enabling simultaneous handling of analog word-based data and digital bit-based signals within a single node. The coupler automatically organizes process images based on the physical order of connected I\/O modules, ensuring deterministic data mapping. Designed for industrial control panels and DIN-rail mounting, it integrates power distribution, communication management, and system diagnostics in a compact housing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMODBUS RTU Communication: Operates as a slave device on RS-485 networks using MODBUS RTU protocol.\u003c\/li\u003e\n\u003cli\u003eFlexible I\/O Expansion: Supports digital, analog, and specialty I\/O modules within the 750\/753 series.\u003c\/li\u003e\n\u003cli\u003eHigh I\/O Capacity: Handles up to 6000 I\/O points for scalable automation systems.\u003c\/li\u003e\n\u003cli\u003eAutomatic Process Image Creation: Organizes data according to the physical sequence of installed modules.\u003c\/li\u003e\n\u003cli\u003eIntegrated Power Distribution: Supplies system and field power via internal power jumper contacts.\u003c\/li\u003e\n\u003cli\u003eRobust Electrical Isolation: Provides 500 V isolation between system and field supply for enhanced safety.\u003c\/li\u003e\n\u003cli\u003eWide Operating Temperature Range: Suitable for industrial environments from 0 to 55 °C during operation.\u003c\/li\u003e\n\u003cli\u003eDIN-Rail Mountable Design: Compact form factor for efficient installation in control cabinets.\u003c\/li\u003e\n\u003cli\u003eCertified Industrial Compliance: Meets CE and marine-related EMC and vibration standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 750-312 delivers the reliability and precision required for distributed industrial control and MODBUS-based automation systems.\u003c\/p\u003e","brand":"Wago","offers":[{"title":"Default Title","offer_id":49105057317120,"sku":"750-312","price":693.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_fd055b73-ccfb-4471-a547-d2dee9f00416.webp?v=1785539021","url":"https:\/\/alotechparts.com\/products\/750-312-wago-modbus-rtu-rs-485-fieldbus-coupler-for-wago-io-system-750","provider":"Alo Tech Solutions","version":"1.0","type":"link"}