Description
Introducing the B&B Industrial DIN Rail 485/422 ISO Repeater — a rugged, industrial-grade optical repeater designed to protect, convert, and extend RS-485 and RS-422 data signals. Built for harsh environments and demanding control systems, this device provides robust optical isolation that shields critical equipment from transient surges and ground loops on your data lines. With the ability to extend a network by up to 4,000 feet (1.2 km) and add up to 32 additional nodes on an RS-485 circuit, it unlocks scalable, reliable communication for factory floors, automation cabinets, and distributed control systems. Whether you are deploying a large multi-point network across a facility or needing to protect sensitive devices at the edge, this DIN rail repeater delivers dependable performance while preserving signal integrity across segments.
- 2- and 3-way isolated optical repeater: Converts, protects, and extends data signals across RS-485 and RS-422 networks with multiple isolated paths, enabling flexible topology and safer hardware operation.
- Significant distance and node expansion: Extends RS-485 networks by up to 4,000 feet (1.2 km) per link and adds up to 32 additional nodes, facilitating large-area installations without signal degradation.
- Optical isolation for surge and ground-loop protection: Optical isolation helps prevent transient surges and ground loop issues from affecting devices on either side of the repeater, improving reliability in noisy industrial environments.
- DIN rail mounting for quick integration: Designed to mount on standard DIN rails, making it easy to consolidate into control panels and distribution enclosures without custom enclosures or complex wiring.
- Industrial-grade resilience and network safety: Built to endure factory floor conditions, minimize downtime, and maintain data integrity across segmented networks through rugged construction and isolation.
Technical Details of B&B INDUSTRIAL DIN RAIL 485/422 ISO REPEATER
- Isolation and protection: Optical isolation between signal segments to guard equipment from surges and ground loops; supports multiple isolated paths for RS-485/RS-422 networks.
- Network extension capability: Extends data circuits by up to 4,000 feet (1.2 km) per link, with the ability to add up to 32 nodes to an RS-485 network, enabling scalable multi-drop configurations.
- Supported interfaces: Compatible with RS-485 and RS-422 serial networks, providing flexible integration with a wide range of industrial devices and controllers.
- Mounting and form factor: DIN rail mountable enclosure designed for streamlined installation inside control cabinets and MCC rooms, reducing footprint and simplifying wiring layouts.
- Topology flexibility: 2- and 3-way isolated repeater configurations allow designers to create segmented networks that isolate noise-prone segments while maintaining overall data flow.
- Environment and durability (where applicable): Built for industrial environments, delivering stable operation in challenging conditions common to manufacturing, process automation, and facility automation settings.
How to install B&B INDUSTRIAL DIN RAIL 485/422 ISO REPEATER
- Power down the control panel or cabinet before installing the repeater to ensure safe wiring and prevent data faults during installation.
- Mount the repeater on a standard DIN rail inside the equipment enclosure, ensuring it is securely seated and has adequate ventilation around the unit.
- Connect the RS-485/RS-422 lines to the input side of the repeater according to your network topology. Use twisted-pair cables and proper shielding to minimize external noise and interference.
- Establish the isolated output side by connecting the next segment or field devices to the appropriate ports, following the manufacturer’s guidance for 2- or 3-way configurations to match your network design.
- Verify all connections, restore power, and check for proper indication from any status LEDs. Perform a functional test of data transmission across the extended segments to confirm signal integrity and node visibility.
Frequently asked questions
- What is the B&B Industrial DIN Rail 485/422 ISO Repeater? It is an optical isolator and repeater designed to protect and extend RS-485 and RS-422 networks. It allows you to segment large networks into isolated sections while maintaining reliable data communication.
- How far can RS-485 be extended with this repeater? The device adds up to 4,000 feet (1.2 km) of reach per link and can accommodate up to 32 additional nodes on the RS-485 network, enabling scalable, long-distance installations.
- Is RS-422 support included? Yes, the repeater is designed to be compatible with RS-422 as well as RS-485 networks, offering flexibility for mixed or legacy systems.
- Do I need special tools or software to install? No specialized software is typically required for basic installation; the unit is designed for straightforward DIN rail mounting and standard serial wiring. Some configurations may require adherence to network topology guidelines.
- What benefits does optical isolation provide? Optical isolation protects connected devices from transient surges, ground loops, and electrical noise, improving reliability, reducing downtime, and preserving data integrity in industrial settings.
- Can this repeater be used in multi-point or daisy-chained networks? Yes. Its 2- and 3-way isolated configurations support flexible topologies, allowing segmentation of large networks while maintaining connectivity across segments.
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