Technical Specifications Twisted‑pair copper conductor structure, integral metal shielding layer, industrial grade outer sheath. Matched characteristic impedance for bus protocol. Operating temperature ‑40 ℃ to +80 ℃. Complies with maximum segment length requirement of corresponding fieldbus standard.
Functional Features Transmits differential digital bus signals between control components. Twisted‑pair design reduces internal signal crosstalk. Overall shielding suppresses external electromagnetic noise interference. Outer sheath provides mechanical abrasion‑resistance and chemical corrosion protection. Maintains signal integrity for long‑distance fieldbus communication.
Application Scenarios Original spare bus cable for ABB DCS and PLC systems. Applied in cabinet internal interconnection and field device bus networking in petrochemical, power and metallurgy industries.
Performance Parameters Stable differential signal transmission performance. Excellent anti‑electromagnetic‑interference performance. Consistent characteristic impedance matching bus hardware requirement.
Material Composition Tinned copper twisted‑pair conductors. Polyethylene insulation for each core. Copper foil overall shielding layer. Industrial‑grade PVC outer protective sheath.
Structural Characteristics Round multi‑core shielded cable structure. Internal conductors adopt regular twisted‑pair arrangement. Continuous metal shielding wraps whole signal core. Outer sheath improves mechanical strength for industrial laying environment.
Working Principle Digital bus data is transmitted in differential mode along twisted‑pair conductors. Metal shielding layer blocks external electromagnetic noise coupling into signal cores, so communication signal quality remains stable under complex industrial site conditions.
Installation Requirements Power off bus power supply before cable laying and terminal crimping. Locate cable according to minimum bending radius specification. Terminate conductor cores strictly following bus pin‑out definition. Complete shielding grounding complying with system EMC specification. Avoid parallel routing with high‑voltage power cables. Verify bus communication status after finishing wiring work.
Usage Notes Do not exceed maximum allowable bus segment length. Bending radius shall never be smaller than specified minimum value. Shield grounding mode must follow engineering design. Prevent sheath extrusion and damage during cable installation.
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