B+B SmartWorx 485TBLED RS-232 to RS-485 Converter
The 485TBLED RS-232 to RS-485 converter is engineered for industrial and commercial environments requiring dependable long-distance serial communication. This serial converter transforms unbalanced, full-duplex RS-232 signals into balanced, full- or half-duplex RS-422/RS-485 signals, enabling seamless integration between legacy RS-232 equipment and modern RS-422/RS-485 networks. Perfect for manufacturing facilities, SCADA systems, and distributed control applications where signal integrity and extended cable runs are critical.
Key Features
- Converts RS-232 to RS-422/RS-485 balanced signals for extended transmission distances
- Supports full-duplex and half-duplex operation modes
- Industrial-grade design for reliable long-distance serial communication
- Enables integration of RS-232 devices into RS-485 networks
- Compact form factor suitable for DIN rail or panel mounting
- Galvanic isolation protection for noise immunity
- Low power consumption for continuous operation
Technical Specifications
| Specification |
Details |
| Manufacturer |
B+B SmartWorx |
| Model Number |
485TBLED |
| Part Number |
BB-485TBLED |
| Input Signal |
RS-232 (unbalanced, full-duplex) |
| Output Signal |
RS-422/RS-485 (balanced, full/half-duplex) |
| Communication Protocol |
Serial (asynchronous) |
| Maximum Cable Distance |
Up to 4,000 feet (1,200 meters) |
| Data Rate |
Up to 115.2 kbps |
| Operating Temperature |
0°C to 60°C |
| Power Supply |
12VDC (typical) |
| Isolation |
Galvanic isolation available |
Frequently Asked Questions
What is an RS-232 to RS-485 converter used for?
An RS-232 to RS-485 converter bridges legacy RS-232 equipment with modern RS-485 networks, enabling long-distance serial communication in industrial automation, SCADA, and control systems where extended cable runs and noise immunity are essential.
How does the 485TBLED improve serial communication reliability?
The B+B SmartWorx 485TBLED converts unbalanced RS-232 signals to balanced RS-422/RS-485 signals, which are inherently more resistant to electromagnetic interference and support transmission distances up to 4,000 feet, ensuring reliable long-distance serial communication in harsh industrial environments.
Can the 485TBLED operate in both full-duplex and half-duplex modes?
Yes, this serial converter supports both full-duplex and half-duplex operation, providing flexibility to match your network topology and application requirements for RS-422/RS-485 communications.
Is galvanic isolation included in the 485TBLED?
The 485TBLED features galvanic isolation protection, which prevents ground loop noise and protects connected equipment from voltage spikes, making it ideal for industrial applications requiring robust long-distance serial communication.