Page 226 - Sensors and Control Systems in Manufacturing

Fiber Optics in Sensors and Contr ol Systems

FIGURE 3.69 Heavy-duty fi ber-optic cable. 187

• Direct burial
• Loose tube subchannel design
• High-tensile-stress applications
Table 3.1 summarizes fiber-optic cable characteristics.

Channels
Characteristics Simplex Zipcord Duplex 2 4 6
Cable diameter, 2.5 2.5 × 5.4 3.5 × 6 8 8 10
mm
Weight, kg/km 6.5 11 20 41 41 61
Jacket type PVC PVC PVC PE PE PE
Jacket color Orange Orange Orange Black Black Black
Pull tension 330 N 490 N 670 N 890 N 1150 N 2490 N
Max. long-term 200 N 310 N 400 N 525 N 870 N 1425 N
tension
Max. break 890 N 1340 N 1780 N 2370 N 4000 N 11,000 N
strength
Impact strength 100 100 150 200 200 200
at 1.6 N ⋅ m
Cyclic flexing, >5000 >5000 >5000 >2000 >2000 >2000
cycles
Minimum bend 25 25 25 50 50 75
radius, mm
Cable 0.6 dB/km at 820 nm
attenuation
Operating –40 to + 85°C
temperature
Storage –40 to + 85°C
temperature

TABLE 3.1 Fiber-Optic Cable Characteristics