CQRobot
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CQRobot Industrial RS232 to RS485 Converter Serial Communication Adapter
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CQRobot Industrial RS232 to RS485 Converter Serial Communication Adapter
The RS-485 interface can communicate with up to 32 nodes, making it ideal for multi-device networks.
CQRobot Industrial RS232 to RS485 Converter Serial Communication Adapter
Item #: 221645472

CQRobot Industrial RS232 to RS485 Converter Serial Communication Adapter

87% of respondents would recommend this to a friend

Item #: 221645472

XCD 60

Price Details

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The RS-485 interface can communicate with up to 32 nodes, making it ideal for multi-device networks.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Reliable Communication
Ensures stable and accurate data transmission for industrial applications, overcoming common issues in serial communication to maintain device connectivity.
Wide Compatibility
Compatible with various RS232 devices and TTL logic levels, offering versatile use in different environments, enhancing connectivity options for users.
Durable Design
Engineered with rugged materials for extended durability, perfect for industrial settings where reliability and longevity are essential for operational success.

Product Details

Shop CQRobot Industrial RS232 to RS485 Converter Serial Communication Adapter online at a best price in Saint Vincent. B0F93XN64M
Number of Ports32
Power Plug TypeNo Plug
BrandCQRobot
Model NumberCQRCK801
ManufacturerCQRobot
Mfr Part NumberCQRCK801
Item Dimensions3.94 x 2.76 x 0.94 inches (10 x 7 x 2.4 cm)
Item Weight0.06 kg
Number of Items1
Item dimensions L x W x H3.94 x 2.76 x 0.94 inches (10 x 7 x 2.4 cm)

Who Should Buy?

Suitable For
  • Industrial Applications

    Ideal for connecting industrial devices that require serial communication using RS232 and TTL standards.

  • Embedded Systems

    Perfect for developers needing reliable serial communication between microcontrollers and computers in embedded designs.

  • Hobbyist Projects

    Great for electronics enthusiasts looking to integrate various TTL devices with more traditional RS232 connections.

Not Suitable For
  • Non-Technical Users

    Not suitable for users without technical knowledge, as setup requires familiarity with serial communication protocols.

Product Description

CQRobot Industrial RS232 to RS485 Converter Serial Communication Adapter

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Passive RS-232 to RS-485 Serial Port Conversion Adapter?

    Answer: A Passive RS-232 to RS-485 Serial Port Conversion Adapter is a device that enables communication between RS-232 and RS-485 devices. It converts signals from one protocol to the other without the need for external power. This makes it ideal for long-distance communication in industrial settings. Scenarios such as connecting legacy RS-232 equipment to modern RS-485 networks illustrate its usefulness, facilitating data transfer in factories or automation systems seamlessly.
  • Question: What are the benefits of using a Passive RS-232 to RS-485 converter?

    Answer: The benefits of using a Passive RS-232 to RS-485 converter include compatibility with a wide range of devices, bidirectional data transmission, and robust signal reliability. The adapter supports long-distance communication without data loss, making it perfect for environments where data integrity is crucial, such as in monitoring systems. Its passive design also ensures minimal power consumption, ensuring efficiency across your network components.
  • Question: How does bidirectional transmission work in this converter?

    Answer: Bidirectional transmission in this converter allows data to flow in both directions between RS-232 and RS-485 devices. This function is critical for applications where devices need to send and receive information, such as in remote monitoring or control systems. By enabling two-way communication, it ensures seamless data exchange, thereby enhancing the functionality of connected devices and improving overall system efficiency.
  • Question: What does the status indicator on the adapter signify?

    Answer: The status indicator on the adapter provides real-time visual feedback about the operational state of the device. It typically shows whether the converter is powered and actively transmitting data, which is crucial for troubleshooting and ensuring proper connectivity. When used in complex setups, this feature helps users quickly identify connectivity issues, reducing downtime and enhancing operational effectiveness.
  • Question: What are 15kV ESD and 600W surge transient voltage protections?

    Answer: 15kV ESD (Electrostatic Discharge) protection and 600W surge transient voltage protection are crucial features that safeguard connected devices from electrical disturbances. The 15kV ESD protection helps prevent damage from static electricity, while the 600W surge protection minimizes the risk of equipment failure during voltage spikes. These features make the adapter reliable for use in environments prone to electrical surges, like manufacturing plants or industrial sites, where equipment stability is vital.
  • Question: Can this adapter be used for outdoor applications?

    Answer: While the Passive RS-232 to RS-485 Serial Port Conversion Adapter is designed for robust performance, it's essential to consider environmental conditions when contemplating outdoor use. If properly housed in a weatherproof enclosure, it can function effectively outdoors, connecting devices in remote locations such as outdoor sensors. However, protection against moisture and extreme temperatures is vital to ensure durability and optimal performance.
  • Question: Is this adapter compatible with all RS-232 and RS-485 devices?

    Answer: While this adapter is designed to be compatible with a broad range of RS-232 and RS-485 devices, it is important to check specifications for specific models you intend to use. Compatibility may depend on voltage levels and communication protocols. For industrial applications, conducting preliminary testing with the devices involved is recommended to ensure smooth connectivity and functionality.
  • Question: What types of devices can benefit from using this converter?

    Answer: Devices such as PLCs, sensors, and data loggers can significantly benefit from using the Passive RS-232 to RS-485 converter, as these devices often require reliable communication within industrial settings. Systems that require integration of older equipment with newer setups can also leverage this converter effectively, enabling a more cohesive operational environment in areas like manufacturing, automation, and data collection.
  • Question: How do I install this Passive RS-232 to RS-485 converter?

    Answer: Installing the Passive RS-232 to RS-485 converter typically involves plugging it into the appropriate ports of both RS-232 and RS-485 devices. Once connected, verify the wiring and check that all specifications match correctly, ensuring compatibility. Usage scenarios include connecting a computer to industrial equipment, allowing for effective data monitoring and control with minimal setup effort required.
  • Question: Where can I buy the Passive RS-232 to RS-485 Serial Port Conversion Adapter in Saint Vincent?

    Answer: You can buy the Passive RS-232 to RS-485 Serial Port Conversion Adapter at Ubuy. This platform offers a user-friendly experience with various purchasing options, making it easy to acquire this essential device for your connectivity needs. With its extensive product selection, Ubuy is a reliable choice for obtaining high-quality electronics, including conversion adapters.

CQRobot Serial Adapters CQRCK801 Editorial Review

CQRobot Industrial RS232 to TTL Converter Serial Communication Adapter is a versatile tool ideal for bridging RS-232 communication to TTL levels, supporting both 5V and 3.3V logic. This adaptability makes it perfect for various applications, including connecting with microcontrollers like Arduino and ESP32 modules. Users appreciate its plug-and-play functionality, eliminating the need for drivers or complex setups. It performs fully transparently, allowing for smooth asynchronous data transfer without delays or dropped bytes. Moreover, the 15kV ESD protection reassures users in static-prone environments. Many have highlighted its compact design and reliable build quality, making it a dependable choice for engineers and hobbyists alike.

Customer Reviews & Ratings

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Pros

  • Works with both 3.3V and 5V logic levels
  • Fully transparent, no lag or dropped data
  • Status LED makes troubleshooting easier
  • Strong ESD protection for reliability
  • Compact and simple to hook up

Cons

  • No RTS/DTR handshake, not an issue for most but worth noting

Platform Trust & Buyer Confidence

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 60

Order now and get it around Monday, September 28

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Supports automatic baud rate adjustment for various communication speeds.
  • Features dual indicator lights for real-time signal status.
  • Communicates with up to 32 nodes, perfect for multi-device setups.
  • Equipped with 15kV ESD protection for enhanced durability.
  • Provides dual 600W surge and lightning protection.
  • Realizes seamless bidirectional signal conversion between RS-232 and RS-485.

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