Modbus standards or buses include:
– TCP/IP over Ethernet
– EIA/TIA-232-E, EIA-422, EIA/TIA-485-A
Modbus Cable (RS485 Communication Cable for Industrial Systems)
Modbus cables are specialised communication cables designed for reliable data transmission in industrial automation and control systems. At Qing Cables, we supply Quality Connectivity™ Modbus cables engineered for stable, long-distance communication in demanding environments.
Our cables are optimised for Modbus and RS485 networks, ensuring efficient and interference-resistant data transfer between devices such as PLCs, sensors, controllers, and building management systems.
Modbus is a widely used communication protocol that enables data exchange between industrial devices.
It is commonly used in:
– Industrial automation systems
– PLC and SCADA networks
– Building Management Systems (BMS)
– HVAC control systems
– Energy monitoring and smart metering
Modbus is valued for its simplicity, reliability, and compatibility across devices.
A Modbus cable is typically a twisted pair, shielded cable designed to support Modbus communication—most commonly over RS485.
Typical construction includes:
– Twisted pair conductors (for data transmission)
– Shielding (foil and braid) to reduce EMI
– Optional additional cores for power
This ensures stable communication with minimal signal degradation, even in industrial environments.
Key Features
– Designed for Modbus RTU / RS485 communication
– Twisted pair construction for signal stability
– Shielded for EMI protection
– Supports long-distance communication (up to 1200m)
– Multi-drop capability (multiple devices on one network)
– Low signal attenuation
– Available in multi-core configurations
– LSZH / External / SWA and Highr CPR-compliant options available
