B+B SmartWorx USOPTL4 USB to RS-422/485 Converter
The B+B SmartWorx USOPTL4 is an industrial-grade USB to RS-422/485 converter engineered for mission-critical serial communications in harsh manufacturing, automation, and control environments. This industrial converter bridges modern USB connectivity with legacy RS-422/485 equipment, delivering reliable data transmission where downtime isn't an option. Built for integrators, automation technicians, and IT professionals managing industrial networks, the USOPTL4 simplifies deployment with terminal block connections and real-time status monitoring through integrated LEDs.
Key Features
- Industrial-grade USB to RS-422/485 converter for demanding environments
-
Terminal block connectors for secure, tool-free wiring
- Integrated LED status indicators for real-time network diagnostics
- Galvanic isolation for noise immunity and equipment protection
- Multi-drop capability supporting up to 32 devices on RS-485 networks
- Compact form factor with DIN rail mounting compatibility
- Wide operating temperature range for industrial applications
- Hot-swappable USB connection for flexible system integration
Technical Specifications
| Specification |
Details |
| Manufacturer |
B+B SmartWorx |
| Model Number |
BB-USOPTL4 |
| Interface Type |
USB to RS-422/485 |
| Connector Type |
Terminal Block (TB) |
| Status Indicators |
LED (Power, TX, RX, Error) |
| Isolation |
Galvanic Isolation |
| Multi-Drop Support |
Up to 32 devices (RS-485) |
| Operating Temperature |
-40°C to +70°C |
| USB Standard |
USB 2.0 Full Speed |
| Baud Rate |
300 to 921,600 bps |
Frequently Asked Questions
What is a USB to RS-422/485 converter used for?
A USB to RS-422/485 converter enables modern computers and controllers with USB ports to communicate with industrial equipment using legacy RS-422/485 serial protocols. This is essential in manufacturing, HVAC systems, energy management, and automation where older devices must integrate with contemporary IT infrastructure.
Why choose an industrial converter over standard USB-serial adapters?
Industrial converters like the USOPTL4 feature galvanic isolation, wider temperature ranges, and ruggedized construction to withstand electrical noise, voltage spikes, and harsh environmental conditions. They're designed for 24/7 operation in factories and control rooms where reliability is critical.
How many devices can connect to an RS-485 network?
The B+B SmartWorx USOPTL4 supports multi-drop RS-485 networks with up to 32 devices on a single bus. This makes it ideal for distributed sensor networks, building automation systems, and industrial control applications requiring multiple serial endpoints.
What do the LED indicators on the USOPTL4 show?
The integrated LED status indicators display power status, transmit (TX) activity, receive (RX) activity, and error conditions. This real-time visual feedback simplifies troubleshooting and confirms proper network communication without requiring software diagnostics.
