B+B SmartWorx ESR900 Series 2-Port Industrial Ethernet Serial Server — DIN Rail, Wide Temperature

The ESR900 Series Industrial Ethernet Serial Server is engineered to bridge modern Ethernet networks with legacy serial devices in demanding environments. This 2-port model provides reliable, long-term connectivity for PLCs, sensors, controllers, and serial peripherals across factory floors, control cabinets, and industrial facilities. Built for harsh settings, it combines a slim DIN-rail friendly enclosure, IP30 protection, and a broad operating temperature range to ensure stable operation even in the most challenging environments. Whether you need RS-232 or RS-485 interfaces, the ESR900 simplifies integration, reduces wiring complexity, and enhances data visibility across your automation infrastructure.

• 2-port Ethernet Serial Server — Industrial-grade Ethernet to RS-232 and RS-485 conversion with two serial ports, designed to connect Ethernet networks to legacy serial devices with reliability and ease.
• DIN rail mountable, thin-profile enclosure — A compact, space-efficient design that fits neatly into standard control panels and on DIN rails for streamlined industrial deployment.
• Industrial-grade protection — IP30-rated housing offers protection against dust and debris in rugged environments, ensuring long-term durability in manufacturing floors and harsh enclosures.
• Wide temperature operation — Built to handle challenging temperature ranges found in industrial settings, outdoor kiosks, and refrigerated or heated facilities, ensuring consistent performance year-round.
• Redundant power supply support — An option for redundant power keeps critical serial communications online, minimizing downtime in automation, SCADA, and process control applications.

Technical Details of ESR900 Series

• Product family: ESR900 Series Industrial Ethernet Serial Server (One, Two or Four Ports)
• Serial interfaces: Ethernet to RS-232 and RS-485 converters with two serial ports on this model
• Mounting: Thin-profile DIN rail mountable enclosure for convenient panel installation
• Protection: IP30 rating for dust protection and rugged durability in industrial environments
• Operating conditions: Wide temperature range suitable for cold rooms and hot environments
• Power: Redundant power supply option to maximize uptime
• Applications: Ideal for industrial automation, SCADA, PLC networks, and device network bridging

how to install B+B SmartWorx ESR900 2-Port Ethernet Serial Server

• Mount the ESR900 on a standard DIN rail inside your control cabinet or equipment enclosure to leverage its compact, DIN-friendly design.
• Connect the Ethernet network to the ESR900 and wire the two serial devices to the RS-232/RS-485 ports as required by your application (one device per port or configured topologies).
• Provide power to the unit, using the redundant power supply option if available, to ensure continued operation in the event of a primary power fault.
• Power up the device and perform a basic connectivity check to confirm the Ethernet link and serial paths are established with your devices or network management system.
• Configure network and serial parameters as needed to align with your existing protocols and device settings, and integrate with your SCADA or PLC system for seamless data exchange.

Frequently asked questions

• Q: What is ESR900? A: ESR900 is B+B SmartWorx's industrial Ethernet Serial Server family, available in One, Two, or Four port configurations, designed to convert Ethernet traffic to RS-232 or RS-485 serial communications in harsh environments.
• Q: How many ports does this model have? A: This specific model provides 2 serial ports on the ESR900 series, enabling two concurrent serial connections over Ethernet.
• Q: Is the enclosure DIN rail mounted? A: Yes—the ESR900 is designed with a thin-profile DIN mount case for easy installation in standard control panels.
• Q: What is the IP rating? A: The ESR900 enclosure carries an IP30 rating, protecting internal components from dust and debris while deployed in industrial settings.
• Q: Can it operate in wide temperature environments? A: Yes—the ESR900 series is built for wide temperature ranges, allowing operation in temperatures typical of industrial facilities and outdoor installations.
• Q: Does it support redundant power? A: Yes, a redundant power supply option is available to maximize uptime in critical applications.