RS232 to RS485 Converter Module | Active Digital Isolation
RS232 to RS485 Converter Module | Active Digital Isolation
RS232 to RS485 Serial Communication Converter Module with Active Digital Isolation
Upgrade your industrial serial communication setup with this robust RS232 to RS485 Converter Module. Designed for demanding industrial environments, this guide-rail-mounted converter delivers reliable, noise-resistant signal conversion with onboard active digital isolation — no additional external power supply required at the isolation end. Made in Mainland China.
Key Features
- Dual Standard Compatibility: Fully compatible with RS232 and RS485 standards, converting RS232 signals into balanced differential RS485 signals for long-distance, high-reliability transmission.
- Wide Baud Rate Support: Stable transmission rates from 300 to 115,200 bps for versatile communication needs.
- Onboard Power Isolation: Integrated power isolation provides a stable isolation voltage without the need for an additional power supply on the isolated side.
- Active Digital Isolation: Onboard digital isolator ensures strong anti-interference performance, high reliability, and low power consumption — ideal for noisy industrial environments.
- TVS Surge Protection: Onboard Transient Voltage Suppression (TVS) diode effectively suppresses surge voltages and transient peak voltages, guarding against lightning and electrostatic discharge.
- Self-Recovery Fuse & Protection Diodes: Ensures stable current and voltage output, protects against overvoltage, and improves overall impact resistance.
- Switchable 120Ω Termination Resistor: Onboard RS485 output terminal resistor (120R) can be easily enabled or disabled for convenient bus termination.
- Wide Input Voltage Range: Terminal power supply interface supports 6–36V DC input, accommodating a wide variety of industrial power sources.
- Industrial DIN Rail Housing: Compact ABS environmentally friendly enclosure with DIN guide-rail mounting for easy, space-saving installation in control cabinets.
Specifications
- Signal Conversion: RS232 to RS485 (balanced differential)
- Baud Rate: 300 – 115,200 bps
- Input Voltage: 6–36V DC
- Termination Resistor: 120Ω (switchable)
- Protection: TVS surge suppression, self-recovery fuse, protection diodes
- Mounting: Industrial DIN guide rail (ABS housing)
- Country of Origin: Mainland China
What's in the Box?
- 1× RS232 to RS485 Serial Communication Converter Module
Note: Due to lighting and screen differences, the item's color may appear slightly different from the pictures. Please allow 1–3 cm measurement tolerance.
For industry standards and best practices on serial communication and industrial electrical safety, refer to the OSHA Electrical Safety Guidelines.
Frequently Asked Questions
Q: What does this RS232 to RS485 converter module do?
A: This converter module translates RS232 serial signals into balanced differential RS485 signals. RS485 supports longer cable runs and multi-drop networks, making it ideal for industrial automation, PLCs, and SCADA systems. The onboard active digital isolation ensures signal integrity even in electrically noisy environments.
Q: Does this RS232 to RS485 module require an external isolated power supply?
A: No. The module features onboard integrated power isolation, so no additional external power supply is needed on the isolation side. Simply connect your 6–36V DC power source to the terminal power supply interface and you're ready to go.
Q: What baud rates does this serial communication converter support?
A: The module supports a wide range of standard baud rates from 300 bps up to 115,200 bps, covering virtually all common RS232/RS485 industrial communication protocols.
Q: How do I install this module in a control cabinet?
A: The module features an industrial DIN guide-rail-compatible ABS housing, allowing for quick and secure snap-on installation in standard control cabinets or electrical enclosures — no special tools required.