Electrical performance
Characteristic impedance: 120Ω.
Conductor DC resistance: At 20℃, it does not exceed 13.3Ω per kilometer.
Capacitance: At 1kHz, the nominal capacitance between conductors is about 30nF/km, and between conductors and shields is about 55nF/km.
Propagation speed: The nominal propagation speed is about 66%.
Delay time: The nominal delay time is about 4.8ns/m.
Attenuation: The nominal attenuation at 1MHz is about 12dB/km.
Operating voltage: The maximum operating voltage is generally 300V.
Operating current: The recommended maximum operating current is 4.5A (@25℃).
Structural characteristics
Conductor: 2 pairs of 4 cores (2x2x16AWG) multi-stranded tinned copper wire, in line with VDE0295 Class 5 standard, such as 16AWG (7×22AWG) tinned copper wire stranded conductor, to ensure good conductivity and flexibility.
Insulation: Usually using German imported PE insulation material, the thickness of the insulation layer is uniform, which can effectively prevent short circuits and signal interference between conductors.
Shielding: Generally using aluminum foil/polyester composite tape shielding rate + tinned copper braided mesh 90% shielding rate for double shielding, which can effectively prevent the influence of external electromagnetic interference on the signal and reduce the radiation of the signal outward.
Drain line: Use 16AWG (7×22AWG) tinned copper wire stranded conductor as grounding protection to enhance the anti-interference ability of the cable.
Outer sheath: Mostly industrial gray PVC outer sheath, with wear resistance, weather resistance, corrosion resistance and other characteristics, can adapt to different use environments. The color of the outer sheath can also be customized according to customer requirements.
Mechanical properties
Minimum bending radius: Generally 8 times the cable diameter during installation.
Working temperature: Usually between -30℃～+70℃.
Others
Compliance with standards: Complies with UL AWM 2919 file specifications, etc.
Application scenarios: Applicable to industrial automation control network communication, building automation network communication, intelligent transportation system, power automation and other fields, which can achieve stable and reliable data transmission between devices
Factory Latest 2×1.5m 16AWG Cu Pe Pvc Ai Foil Shield Control Cable Twisted Shield Cable for PTZ Cameras
RS485 cables are used in
Industrial automation: networking of production equipment, remote I/O module control
Building automation: HVAC system control, lighting system control, security system integration
Traffic management: traffic light control, electronic police system
Energy management: solar power generation system, smart grid
Medical equipment: networking of medical instruments, ward equipment monitoring
Agricultural automation: environmental monitoring and irrigation control, aquaculture environment monitoring
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