CV500RT211 Omron, CV500RT211 Datasheet - Page 8

• Manufacturer Part Number: CV500RT211
• Description: Programmable Logic Controller
• Manufacturer: Omron

Specifications of CV500RT211

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1-1
Introduction to H-PCF Optical Fiber Cables
Hard plastic
Core
Light
On the outside, Optical Fiber Cords and Cables look like electrical cords and
cables. However, instead of metal wires carrying electrical signals, Optical
Fiber Cords and Cables use quartz-glass fibers with a hard-clad coating
(hard acrylic fluoride plastic) to carry light signals. Optical signals travel
through the glass fiber for distances up to 1 km. Though the plastic coating
protects the glass fiber, Optical Fiber Cords and Cables require much greater
care during handling and installation than conventional electrical cords and
cables. It is very important to protect the cord and cable from impact, and
care should be taken to avoid excessive bending or twisting of the cord and
cable. The Optical Fiber Cords are intended for indoor use while the Optical
Fiber Cables are intended for outdoor use.
The following diagram shows the construction of the SI-type (step index type)
multimode optical fiber used in H-PCF Optical Fiber Cables. The optical fiber
shown below consists of a quartz-glass fiber with a hard plastic coating.
The H-PCF optical fiber’s mechanical strength and resistance to temperature
changes is increased by its soft fluoroplastic (ETFE) jacket. The following
diagram compares the construction of the H-PCF hard-clad fiber (HC-20/07)
to the older PCF silicon-clad fiber (PC-20/07).
The following table compares the dimensions of H-PCF optical fiber
(HC-20/07) to the older PCF optical fiber (PC-20/07).
The following diagram shows the construction of single and dual-fiber cords:
HC-20/07 Hard-clad Fiber
2.2 mm
Core diameter
Plastic cladding diameter
Plastic cladding thickness
Total diameter (with jacket)
Numerical aperture (NA)
CCV-HC-20/07
Total reflection
ETFE (jacket)
Acrylic fluoride plastic
(cladding)
Item
Pure quartz (core)
H-PCF optical fiber
HC-20/07
Kevlar
Total reflection
PVC
200
230
15
0.5 mm
0.4
HC-20/07



m
m
m
DCV-HC-20/07
PC-20/07 silicon-clad fiber
300
50
0.9 mm
0.35
PC-20/07


m
m
Index of refraction
Pure quartz (core)
Nylon (jacket)
Silicon plastic
(cladding)
Section 1-1