{"product_id":"abb-1vcf750079r801-com-modbus-rs485-module","title":"ABB 1VCF750079R801 COM MODBUS (RS485) Module","description":"\u003cp\u003eConfigured for MODBUS RTU data communication over an RS485 physical interface, the \u003cstrong\u003eABB 1VCF750079R801\u003c\/strong\u003e (\u003cstrong\u003e1VCF750079R801\u003c\/strong\u003e COM MODBUS (RS485) Module) provides serial communication between control equipment and connected ABB devices. The module operates from 12-24 VDC, draws 100 mA, and has a stated power consumption of 1.2 W.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1VCF750079R801\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eCOM MODBUS (RS485) Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eMODBUS RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003eConfigurable; standard MODBUS speeds supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eIndustrial-grade flame-resistant plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRS485 and MODBUS RTU Communication\u003c\/h3\u003e\n\u003cp\u003eThe module provides an RS485 serial interface for MODBUS RTU communication. RS485 uses differential signaling and is suitable for multidrop serial networks when the physical wiring, termination, polarity, and signal reference are implemented according to the applicable network design.\u003c\/p\u003e\n\u003cp\u003eThe communication speed is configurable within the supported MODBUS operating range. Network commissioning should verify the baud rate and other serial communication parameters against the connected devices before placing the link into service.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What communication protocol does the 1VCF750079R801 use?\u003cbr\u003eA: The module uses MODBUS RTU over an RS485 physical interface.\u003c\/p\u003e\n\u003cp\u003eQ: What supply voltage and current are specified for the module?\u003cbr\u003eA: The specified supply range is 12-24 VDC, with a current consumption of 100 mA.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module be DIN-rail mounted?\u003cbr\u003eA: Yes. The supplied data specifies DIN rail or panel mounting.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module on a mechanically secure DIN rail or panel mounting surface.\u003c\/li\u003e\n\u003cli\u003eVerify that the applied supply voltage remains within the specified 12-24 VDC range.\u003c\/li\u003e\n\u003cli\u003eRoute RS485 communication wiring separately from high-current power conductors where practical to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eMaintain consistent RS485 polarity throughout the communication segment.\u003c\/li\u003e\n\u003cli\u003eApply RS485 termination according to the network topology and the requirements of the connected MODBUS devices.\u003c\/li\u003e\n\u003cli\u003eUse shielded communication cable where the installation environment requires additional electromagnetic interference control.\u003c\/li\u003e\n\u003cli\u003eConnect the cable shield according to the site's grounding and EMC practice; avoid creating unintended ground loops.\u003c\/li\u003e\n\u003cli\u003eConfirm MODBUS RTU communication parameters at both ends of the link before commissioning.\u003c\/li\u003e\n\u003cli\u003eAllow adequate enclosure ventilation and maintain the specified operating temperature range of -20 deg C to +70 deg C.\u003c\/li\u003e\n\u003cli\u003eConfirm the actual mounting dimensions and terminal arrangement against the applicable ABB hardware documentation before fabrication or panel drilling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52755212042525,"sku":"1VCF750079R801","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/ABB-1VCF750132R802_1000_6b8af1e2-d886-42fc-a8bb-7d1e8ce00e39.jpg?v=1787193973","url":"https:\/\/www.6gcontrols.com\/products\/abb-1vcf750079r801-com-modbus-rs485-module","provider":"6G Controls","version":"1.0","type":"link"}