Industrial Serial to WiFi Converters

Leading Industrial Serial to-WiFi Converter Manufacturer

Stop routing cables through concrete walls and hazardous factory floors. Valtoris industrial RS485 to WiFi converters bridge the gap between legacy serial equipment and modern IP networks instantly. Whether you need an AP-mode hotspot for localized PLC debugging or a facility-wide STA-mode network, our gateways provide resilient Modbus telemetry without the exorbitant cost of physical wiring.

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Valtoris Wireless Bridge Solution

secure bridging for legacy industrial equipment to modern networks, making it ideal for factory automation, remote PLC monitoring, and distributed IoT sensor systems.

Automatic Serial-to-IP Conversion

Enables seamless RS485 to WiFi connectivity, integrating legacy equipment into your network.

Multi-Protocol & Industrial Interface Support

Functions as a versatile serial-to-wireless converter and Modbus gateway, fitting into diverse automation and monitoring setups.

Rugged, Industrial-Grade Design

Engineered with versatile housing options—from rugged metal cases for high-EMI environments to space-saving DIN-rail modules—ensuring reliable operation across various industrial settings.

VT WF100 D12
Remote Configuration & Management

Offers web-based tools to set up and manage connected serial devices from a central location.

Enhanced Data Security & Stability

Ensures secure networking with standard WPA2-PSK encryption, while offering advanced RS485 lightning protection on select rugged models for stable data transmission in high-surge environments.

Wide-Range Operational Reliability

Ensures continuous data transmission with automatic network reconnection and built-in hardware watchdogs, preventing costly downtime in critical SCADA systems.

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Technical Specifications Of The Valtoris Industrial Serial to WiFi & Ethernet Converter

SpecificationVT-WF100 (Metal Case)VT-WF110 (Plastic Case)
Product Type & MountingIndustrial metal case, DIN-rail / Wall-mountIndustrial plastic case, DIN-rail module
Serial InterfacesRS232 port x 1, RS485 port x 1, RS422 port x 1RS485 port x 1
Network InterfacesEthernet port x 1, WiFi (802.11 b/g)Ethernet port x 1, WiFi (802.11 b/g)
Power Supply9–24V DC (Wide Input)9–24V DC (Wide Input)
Dimensions (L×W×H)94 × 65 × 25 mm37.6 × 83.6 × 89.2 mm
Wireless SecurityWEP/WPA-PSK/WPA2-PSK Encryption (AES/TKIP)WEP/WPA-PSK/WPA2-PSK Encryption (AES/TKIP)
Serial ParametersBaud Rate: 1200–115200 bps; Data Bit: 5–9; Parity: None/Odd/EvenBaud Rate: 1200–115200 bps; Data Bit: 5–9; Parity: None/Odd/Even
Protocol SupportModbus TCP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTP, and Virtual COMModbus TCP, TCP, UDP, ARP, ICMP, DHCP, DNS, HTTP
Configuration MethodWeb Browser, VirCom SoftwareWeb Browser, VirCom Software
Operating Temperature-40°C to 85°C-40°C to 85°C
Storage Temperature-45°C to 165°C-45°C to 100°C
Relative Humidity5% to 95% (Non-condensing)5% to 95% (Non-condensing)
Industrial ProtectionRS485 Lightning Protection, High EMI ImmunityStandard Protection
Technical Documentation: Serial to WiFi User Manual

Typical Applications Of The Industrial serial to wireless converter

  • Legacy Equipment Network Integration
    Legacy Equipment Network Integration
    Serial to WiFi converters enable traditional RS232, RS485, and RS422 devices to communicate over modern IP networks, allowing for remote monitoring and control of PLCs, CNC machines, and industrial sensors without replacing existing hardware.
  • Building Automation Environmental Control
    Building Automation & Environmental Control
    This RS485 Wireless facilitates the connection of HVAC controllers, access systems, and energy meters to centralized management platforms via WiFi or Ethernet, supporting efficient building operations and smart facility management.
  • Remote Data Acquisition in Utilities
    Remote Data Acquisition in Utilities
    The converter provides reliable, long-distance connectivity for serial to wireless transmission of data from flow meters, pressure sensors, and gauges in water, energy, and oil & gas applications, even in locations with limited infrastructure.

Customer Testimonials

Learn from our partners how our serial-to-WiFi converters have simplified their connectivity challenges and added tangible value to their operations.

  • “We had a batch of older PLCs that needed network access for remote diagnostics. Pulling new cables wasn’t an option. The Valtoris serial to Ethernet converter was straightforward to set up and has run without a glitch for over eight months. It didn’t require deep IT knowledge to get going—just worked.”
    Sam R
    Sam R.
    Maintenance Supervisor, Food Processing Plant
  • “Our building management system uses RS485 sensors, and WiFi coverage was spotty in the basement mechanical rooms. We tested a few adapters; some dropped connection under load. The Valtoris RS485 to WiFi unit held up, and their tech support helped us adjust the polling rate to match our system.”
    Lisa K
    Lisa K.
    Building Systems Technician, Commercial Real Estate

Why Choose Valtoris Serial to WiFi & Ethernet Converter

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Built for Demanding Industrial Sites

Our Serial to WiFi converter features a metal case, wide-temperature operation, and multi-interface support for reliable networking of PLCs and sensors in tough environments.

We Help You Get Connected, and Stay Connected

We assist with configuration and protocol settings to ensure stable data flow to your SCADA or cloud platform, with clear support for long-term operation.

Built to Fit Your System, Not Ours

Leverage our OEM/ODM services to adapt the serial port to wifi adapter​ with custom firmware, connectors, or housing for seamless integration into your existing setup.

Value is a Lower Total Cost of Operation

Save on new cabling, reduce downtime, and gain centralized control—invest in a bridge that works today and scales with your network.

Serial-to-Wireless Converter related resources

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Expert Guides To Industrial wireless Connectivity

  • Identify your serial devices and protocols. Determine if you need to connect RS232, RS485, or RS422 equipment, and verify support for necessary protocols like transparent TCP/UDP or Modbus gateway functionality.
  • Assess the deployment environment. For harsh industrial settings, choose an industrial-grade metal-case converter with a wide operating temperature range (-40°C to 85°C) and DIN-rail mounting.
  • Define your network and security requirements. Decide between WiFi, Ethernet, or dual-network access, and ensure the device offers adequate encryption (e.g., WPA2-PSK) for your data security needs.
  • Consider total cost of ownership and integration. Evaluate not just the unit price, but also installation complexity, maintenance needs, and the value of OEM/ODM services for custom requirements that prevent future rework.
  • Prioritize reliability and support features. Look for built-in protections like RS485 lightning protection, high EMI immunity, and a manufacturer that provides clear configuration tools and responsive technical support.
  • Match the model to your application scope. For simple point-to-point serial to wireless links, a basic model may suffice. For complex network integration involving multiple devices and cloud platforms, ensure the converter’s software and management features meet the task.
  • The effective range and data speed of a Serial to WiFi Converter depend on the wireless environment, antenna, and the specific model’s capabilities. Typically:
  • For standard indoor/industrial settings, a converter using 2.4GHz WiFi (802.11 b/g) can reliably communicate through walls and over machinery at distances of up to 30-50 meters (approx. 100-160 feet) in open areas, with reduced range in dense metal or concrete environments.
  • Data transmission rates are sufficient for most industrial serial protocols, handling the continuous data stream from devices like PLCs, sensors, and meters. The bottleneck is typically the serial baud rate (up to 115.2kbps), not the WiFi connection itself.
  • For extended range, deploying additional wireless access points or using the converter in conjunction with our LoRa DTU solutions for long-distance, low-data scenarios is recommended.
  • For demanding industrial environments requiring maximum durability and multi-interface support, the Valtoris VT-WF100 is the recommended choice. Its metal case, support for RS232, RS485, and RS422 interfaces, wide operating temperature range, and DIN-rail mounting make it ideal for factory floors, utility plants, and outdoor enclosures where reliability is critical.
  • For cost-effective, straightforward RS485 to Ethernet conversion in less harsh environments, the Valtoris VT-WF110 provides a reliable solution. Its compact, plastic-cased DIN-rail module offers simple integration for building automation, energy metering, and indoor equipment monitoring where basic connectivity and value are priorities.

For Harsh Environments: Choose the VT-WF100 (Metal) for multi-interface (RS232/485/422) compatibility and surge protection. For Standard Panels: Choose the VT-WF110 (Plastic) for a cost-effective, space-saving DIN-rail integration.

Latest Blog Posts

Stay ahead in connectivity by exploring the latest trends, practical guides, and technical insights on Industrial IoT, remote monitoring, and wireless communication.

Get a Quote for Industrial Serial to Wi-Fi Solutions

Looking for a reliable way to bridge your legacy serial equipment to modern networks? Our specialists are ready to help you select the right Serial to Wi-Fi/Ethernet Converter for your specific application and integration needs. Reach out to our engineering team today for a technical consultation, complete datasheets, or to request an evaluation unit for your pilot project.

Request Your Quote

Frequently Ask Questions

Q: Why am I getting “Timeout” errors when sending Modbus RTU commands over the WiFi converter?

A: This is the most common issue when using standard transparent converters. Modbus RTU has strict timing requirements. If you simply transmit Modbus TCP bytes to a serial RS485 line, the timing breaks and the end device ignores the packet. Our converters (like the VT-WF100 and VT-WF110) solve this by featuring a built-in Modbus Gateway. They natively translate Modbus TCP requests to Modbus RTU, handling the checksums and timing locally to eliminate polling collisions and timeouts.

Q: I wired RS485 A to A, and B to B, but my SCADA system shows no communication. What went wrong?

A: In the industrial world, the RS485 standard unfortunately does not clearly dictate which pin is A (+) and which is B (-). Many manufacturers label their driver lines backwards. If your baud rate and parity settings are identical but comms still fail, simply swap the A and B wires. This fixes the issue in 80% of field deployment cases without damaging the equipment. (For more advanced wiring diagnostics, check out our [ RS485 to WiFi Converter: Three Ways to Use It ] guide.)

Q: How many serial meters can I daisy-chain to a single RS485 wireless converter?

A: The RS485 standard allows up to 32 devices to be connected to one daisy-chain bus. But when switching to wireless networks, polling 32 devices at once can cause delays. To get the best stability over WiFi, we suggest that you keep the number of devices per converter to less than 15–20 and make sure that both ends of the physical copper bus have 120-ohm termination resistors.

Q: My legacy CNC monitoring software only connects via “COM1” or “COM2” and doesn’t understand IP addresses. Can I still use this?

A: Yes. Both the VT-WF100 and VT-WF110 support Virtual COM Port technology. We provide software that maps the converter’s network IP address to a virtual local COM port (e.g., COM5) on your Windows machine. Your legacy software will function exactly as it did before, completely unaware that the data is now traveling over a modern WiFi network.