Rs-485 Cable

Your Professional Rs-485 Cable Supplier

Chat Now is a manufacturing company focused on customized low-voltage communication cables and cable solution services. Our main products include SWA/SWB armored cables, RS485 cables, PROFIBUS cables, and SMPTE hybrid optical-electrical cables. These products are widely used in industrial automation, broadcasting, communication systems, and engineering projects.

Custom OEM Support

We provide OEM services for cable structure, materials, packaging, and small design adjustments based on customer requirements and project needs.

Professional Engineering Team

Our engineers offer practical support for cable selection, specifications, and application solutions to help customers improve project efficiency.

Stable Quality Control

With advanced production equipment and strict inspection processes, we ensure consistent cable quality, reliable performance, and stable delivery times.

Responsive Service

We provide fast communication, technical assistance, and long-term support to build smooth and reliable cooperation with global partners.

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Parameter

Onductor Material	Stranded Tinned Copper
Conductor Surface	7/0.254±0.005mm
Core Insulation Material	Foam PE
Screen	AI/Pet Tape
Drain Wire	Tinned copper
Shield	Tinned Copper Braiding
Outer Sheath	TPE

Key Features of Rs-485 Cable

Twisted pair construction

The cable typically uses twisted pair conductors, which help reduce electromagnetic interference (EMI) and crosstalk between cables.

Differential signalling

RS-485 uses differential signalling, meaning data is sent over two wires (a positive and a negative line), which enhances noise immunity and allows for longer communication distances (up to 4,000 feet or 1,200 meters).

Multi-point configuration

RS-485 supports multi-drop configurations, allowing multiple devices (up to 32 devices) to be connected to the same network. This is used for building management systems, industrial automation, and process control networks.

Data rate and distance

The RS-485 standard allows data rates up to 10 Mbps, but there is a trade-off between data rate and transmission distance.

Applications of Rs-485 Cable

Control and monitoring systems
A single pair of rs485 signal cable can connect up to 32 devices, with a signal transmission distance of up to 1200m. Therefore, using rs485 cables is an ideal choice for industrial control and monitoring systems, especially those with large-scale and high dispersion.

Alarm systems
Rs485 cables in alarm systems help transfer alarm signals and information from alarm devices to the control center. This ensures that all security-related information and incidents are transmitted quickly and with high reliability.

Access control systems
Rs485 cables are mainly used to connect and transmit data between access control devices such as security gates, RFID cards, or time attendance machines and the control center. Stable connections play a crucial role in managing and controlling access to secure areas, optimizing system performance.

Industrial automation systems
In the industrial automation sector, rs485 signal cables play a vital role in connecting and remotely controlling motors. This includes speed control using Variable Frequency Drives (VFD) or inverters, as well as controlling simple PLC and HMI network systems.

Typical Structure of an Rs-485 Cable

Component	Description
Conductor	2 x 2 x 24AWG stranded bare copper
Insulation	Foam Polyethylene (FPE)
Shield	Aluminum foil + tinned copper braid
Drain Wire	Tinned copper, 24 AWG
Jacket	LSZH or PVC
Impedance	120 Ω ±10%

Comparison of Shielded and Unshielded Rs-485 Cables

Feature	Shielded Rs-485 Cable	Unshielded Rs-485 Cable
EMI Protection	Excellent	Poor
Use Environment	Industrial, outdoors, high noise	Low-noise, short indoor runs
Cost	Slightly higher	Lower
Signal Integrity	Stable over long distances	Risk of interference

Ordering Process

Inquiry - Quotation - Communication - Order Confirming - Deposit Payment - Production - Testing And Debugging - Balance Payment - Packing - Delivery - Customer Receiving - After Service.

Packaging and Shipping

Packaging

Coil or Drum packaging

Packing length can be adjusted based on installation needs.

Shipping

Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Certificates

FAQ

Q: What makes RS485 cables suitable for long-distance data transmission?

A: RS485 cables are suitable for long-distance data transmission due to their use of differential signaling over twisted pairs, which mitigates electromagnetic interference and enables communication over distances of up to 1,200 meters.

Q: How do RS485 cables handle electrically noisy environments?

A: RS485 cables effectively handle electrically noisy environments through their twisted pair configuration and tinned copper braid shield, which significantly enhance noise immunity. This design makes them particularly suitable for such challenging conditions.

Q: What should I consider when selecting an RS485 cable?

A: When selecting an RS485 cable, it is essential to consider data rates, transmission distances, signal strength, system impedance, and protection against electromagnetic interference. These factors will ensure optimal performance and reliability in your application.

Q: Why is compliance with industry standards important for RS485 cable installations?

A: Compliance with industry standards is crucial for RS485 cable installations as it guarantees proper functionality, seamless integration with existing systems, and adherence to safety and compatibility requirements. Such compliance ultimately enhances operational reliability and system performance.

Q: Can RS485 cables be customized for specific applications?

A: Yes, RS485 cables can be customized for specific applications, including variations in lengths, gauges, and termination requirements. This adaptability ensures optimal performance for your particular needs.

Zhejiang Chatnow New Material Technology Co., Ltd. is well-known as one of the leading rs-485 cable manufacturers and suppliers in China, specialized in providing high quality customized service. Please feel free to wholesale high-grade rs-485 cable at competitive price from our factory.

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