{"product_id":"schneider-electric-sr3mbu01bd-zelio-logic-modbus-slave-communication-module","title":"Schneider Electric SR3MBU01BD Zelio Logic Modbus Slave Communication Module","description":"\u003cp\u003eConfigured for Modbus serial communication execution in Zelio Logic SR3 relay networks, the \u003cstrong\u003eSchneider Electric SR3MBU01BD\u003c\/strong\u003e (\u003cstrong\u003eSR3MBU01BD\u003c\/strong\u003e Modbus slave communication module) provides direct physical\/electrical execution for remote monitoring and control data exchange through RS485 interface.\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\u003eSR3MBU01BD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eZelio Logic SR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eModbus Slave Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eModbus RTU \/ ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS485 via RJ45 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Mode\u003c\/td\u003e\n\u003ctd\u003e2 or 4 wires\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Rate\u003c\/td\u003e\n\u003ctd\u003e1200, 2400, 4800, 9600, 19200, 28800, 38400, 57600 bauds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus Address Range\u003c\/td\u003e\n\u003ctd\u003e1 to 247\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming Language Support\u003c\/td\u003e\n\u003ctd\u003eFBD, Ladder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM Backup Memory\u003c\/td\u003e\n\u003ctd\u003eData retention up to 10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connection\u003c\/td\u003e\n\u003ctd\u003e1 RJ45 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd\u003eScrew terminals, 0.25 to 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTightening Torque\u003c\/td\u003e\n\u003ctd\u003e0.5 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Indication\u003c\/td\u003e\n\u003ctd\u003eCommunication LED, Power ON LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e60 mm x 65 mm x 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage 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\u003e24 VDC supply input, module current not specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and Modbus Communication Interface\u003c\/h3\u003e\n\u003cp\u003eThe SR3MBU01BD adds Modbus slave communication capability to Zelio Logic SR3 smart relays through RS485 serial communication. The module supports RTU and ASCII transmission frames with configurable parity settings including none, odd, and even. The communication address range allows integration of multiple slave devices within a Modbus network structure.\u003c\/p\u003e\n\u003cp\u003eThe RS485 electrical layer requires controlled wiring practices, including separation from high-voltage conductors and proper cable shielding for communication stability. The RJ45 communication connector provides the physical interface between the Zelio Logic relay and external Modbus master devices.\u003c\/p\u003e\n\u003ch3\u003eFirmware and Memory Data Handling\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates EEPROM flash memory for application data backup. The stored data can be recovered after power interruption events. The SR3MBU01BD is compatible with Zelio Logic SR3 BxxxBD modules supplied by 24 VDC.\u003c\/p\u003e\n\u003cp\u003eThe Zelio Logic platform supports FBD and Ladder programming through Zelio Soft software. The communication module transfers relay status and control information through Modbus registers for remote access functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What communication protocol is supported by the SR3MBU01BD module?\u003cbr\u003eA: The module supports Modbus RTU and ASCII communication frames through an RS485 communication port.\u003c\/p\u003e\n\u003cp\u003eQ: What Zelio Logic modules are compatible with the SR3MBU01BD?\u003cbr\u003eA: The module is compatible with Zelio Logic SR3 BxxxBD modules using a 24 VDC supply.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module provide local hardware status indication?\u003cbr\u003eA: The module includes one communication LED and one power ON LED for local status monitoring.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the SR3MBU01BD on a compatible Zelio Logic SR3 relay assembly using the specified terminal connections. Route RS485 communication wiring separately from power conductors and high-noise switching circuits.\u003c\/p\u003e\n\u003cp\u003eUse shielded communication cable where required by the installation environment. Connect cable shielding according to site grounding practices to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eVerify the 24 VDC supply polarity before energizing the module. Confirm Modbus address, baud rate, parity configuration, and communication frame settings before connecting the device to the control network.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":50515297108210,"sku":"SR3MBU01BD","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/5589\/5794\/files\/SR3MBU01BD2.jpg?v=1790071966","url":"https:\/\/www.petrospare.com\/products\/schneider-electric-sr3mbu01bd-zelio-logic-modbus-slave-communication-module","provider":"Petro Spare Industrial Limited","version":"1.0","type":"link"}