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LI2Y(St)CY-PiMF (RS - 485)

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Areas of Use

Used in industrial automation systems for computer networks and electronic control systems for data transmission. Provides longer transmission lengths and larger data rates compared to  RS 232-422.

Cable Construction

  • Conductor 0.22 mm² Stranded Tinned Copper (7x0.20 mm AWG 24), 0.34 mm² Stranded Tinned Copper (7x0.25 mm AWG 22)
  • Insulation PE (EN 50290-2-23, VDE 0207-2YI1)
  • Core Colors DIN 47100
  • Separator PET Foil
  • 1. Screen Al-PET Foil (with stranded tinned copper drain wire)
  • Lay-up All shielded pairs are stranded in layers
  • 2. Screen Al-PET Foil
  • 3. Screen Tinned Copper Wire Braid (90% Coverage)
  • Outer Sheath PVC (EN 50290-2-22 TM 51), RAL 7001 - Grey

Technical Properties

  • Operating Voltage 300 V
  • Test Voltage 1200 V
  • Velocity of Propagation 0,66
  • Insulation Resistance >5000 M.Ωxkm
  • Capacitance (@800Hz) Core - Core: ≤45 nF/km, Core - Cores - Screen: ≤85 nF/km
  • Characteristic Impedance 120±10 Ω
  • Loop Resistance AWG 24: ≤182 Ω/km; AWG 22: ≤115 Ω/km; AWG 20: ≤72 Ω/km
  • Temperature Range -30 °C........+70 °C
  • Flame Retardancy IEC/EN 60332-1
  • Min. Bending Radius (Fixed) 10 x Cable Diameter

Cross Section

  • Configuration / Cross-Section (mm/mm²) Cable Diameter (mm) (± 5%) Copper Weight (kg / km) ~ Cable Weight (kg / km)
  • 2x2x0.22 8.9 38 87
  • 3x2x0.22 9.4 47 104
  • 4x2x0.22 10.3 56 126
  • 2x2x0.34 9.4 45 98
  • 3x2x0.34 10.2 56 123
  • 4x2x0.34 11.1 68 146