{"product_id":"abb-fi820f-3bdh000031r1-communication-module","title":"ABB FI820F 3BDH000031R1 Communication Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB 3BDH000031R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3BDH000031R1\u003c\/strong\u003e Communication Module, operates as a dedicated hardware component for dual-channel serial communication execution within ABB control platforms. It processes Modbus protocol data streams across two independent channels, interfacing directly between field instrumentation and the controller backplane while providing galvanic protection across serial line paths.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e3BDH000031R1\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.145 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e125 x 155 x 28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eModbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 192 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2500 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGalvanic Isolation and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 3BDH000031R1 communication module incorporates 2500 V galvanic isolation between field device terminals and internal controller electronics to suppress common-mode electrical transients and ground loops. Channel-to-channel communication routines execute over two independent serial interfaces operating at speeds up to 192 kbps. Integrated firmware flash storage maintains protocol stack parameter configurations across system boot cycles, ensuring deterministic Modbus packet parsing without backplane execution delays.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What level of electrical protection is provided on the serial communication channels?\u003c\/p\u003e\n\u003cp\u003eA: The module provides 2500 V isolation between connected field devices and the system controller to shield internal hardware from high-voltage faults and transients.\u003c\/p\u003e\n\u003cp\u003eQ: Can the two serial channels operate simultaneously under different baud rates?\u003c\/p\u003e\n\u003cp\u003eA: Both channels operate independently up to 192 kbps, allowing asynchronous Modbus communication across separate serial line segments.\u003c\/p\u003e\n\u003cp\u003eQ: How is power delivered to the 3BDH000031R1 communication module?\u003c\/p\u003e\n\u003cp\u003eA: The module operates on a standard 24 VDC external power supply with a maximum power consumption rating of 2.5 W.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module securely on a standard DIN rail inside the control cabinet using the integral retention mechanism.\u003c\/li\u003e\n\u003cli\u003eDisconnect the 24 VDC power supply before wiring field communication terminals to avoid short circuits.\u003c\/li\u003e\n\u003cli\u003eRoute serial communication cabling in separate wire ducts away from high-voltage AC power lines and motor drives.\u003c\/li\u003e\n\u003cli\u003eMaintain a 360-deg braid shield ground connection at the cabinet entry plate to maximize noise immunity.\u003c\/li\u003e\n\u003cli\u003eVerify that operating ambient temperatures inside the enclosure remain within the -40 to +70 deg C specification.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53212537356597,"sku":"FI820F 3BDH000031R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/FI820F.png?v=1784876168","url":"https:\/\/www.5gplc.com\/products\/abb-fi820f-3bdh000031r1-communication-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}