Product OverviewAchieve rock-solid, long-distance serial communication with our RS-485 Communication Module featuring the trusted MAX485 chipset. Engineered for industrial strength and hobbyist ease, this module seamlessly integrates with Arduino, Raspberry Pi, and other microcontrollers enabling multi-drop networks, superior noise immunity, and data rates up to 20 Mbps across spans up to 1.2 km. Key Features & Benefits MAX485 Driver/ReceiverIndustry-standard chipset ensures dependable RS-485 signalling, low power draw, and extended service life. Extended Range & Multi-DropCommunicate reliably over twisted-pair cabling up to 1,200 m and connect up to 32 nodes per bus. High Data ThroughputSupports up to 20 Mbps for real-time control, telemetry, and high-speed data logging. Robust Noise ImmunityDifferential signaling and integrated fail-safe resistors maintain data integrity in electrically noisy environments. Automatic Direction ControlBuilt-in DE/RE auto-toggle simplifies half-duplex operation no external code needed to manage line direction. Wide Voltage CompatibilityOperates from 3.3 V to 5 V logic, making it plug-and-play with popular development boards. Compact PCB FootprintMeasures just 30 × 20 mm ideal for tight enclosures and crowded control panels. Technical Specifications Parameter Specification Chipset MAX485E (driver/receiver pair) Bus Standard ANSI-TIA/EIA-485 (RS-485) Data Rate Up to 20 Mbps Bus Distance Up to 1,200 m on 24-AWG cable Node Capacity 32 transceivers per bus Supply Voltage 3.3–5 V DC Logic Levels 3.3 V / 5 V TTL-compatible Direction Control Automatic DE/RE toggling Protection Fail-safe resistors & thermal shutdown Dimensions 30 × 20 × 8 mm Operating Temp. –40 °C to +85 °C Ideal Applications Application Benefit Industrial Automation Control PLCs, drives, and sensors across factory floors Building Management Link HVAC, lighting, and security systems over one trunk Remote Monitoring Transmit sensor data from distant or harsh locales IoT & Embedded Networks Coordinate Multiple MCUs for distributed sensing Smart Grid & Energy Interface smart meters and substation equipment Process Control Ensure precise command and feedback loops What’s Included 1 × RS-485 Communication Module (MAX485 chipset) Why Choose Our RS-485 Module? Plug-and-Play IntegrationAuto-direction control and wide voltage support eliminate extra wiring and level shifters. Industrial-Grade ReliabilityMAX485’s built-in thermal and fail-safe protections ensure continuous uptime. Scalable NetworksExpand from a single point-to-point link to multi-drop topologies with ease. Compact & RobustSmall PCB, hardened for –40 °C to +85 °C operation, fits even the tightest enclosures. Empower your next automation or data-acquisition project with high-speed, long-range RS-485 communication. Order your MAX485-based RS-485 Module today and build networks that stand up to the toughest industrial demands!
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