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3.2 Cable Specifications
3.2.1 Optical fiber cable
3
SPECIFICATIONS
3.2 Cable Specifications
This section describes the specifications of a cable used in the MELSECNET or
MELSECNET/B data link system.
3.2.1 Optical fiber cable
The following shows the specifications of an optical fiber cable used in the MELSECNET
data link system.
For details of the optical fiber cable specifications, refer to the catalogs of optical fiber
cables.
Connecting an optical fiber cable with a connector requires professional skills and special
tools. Also, a connector dedicated to optical fiber cables is required.
Optical fiber cables with connectors can be purchased in Mitsubishi Electric System
Service or representative.
In addition, they can provide installation service. Contact your local Mitsubishi Electric
System Service or representative.
Remark
(1) Types of optical fiber cables are as follows:
A type: Cable for connecting the inside of a control panel
B type: Cable for connecting control panels inside
C type: Cable for connecting control panels outside
D type: Reinforced cable for connecting control panels outside
Since there are cables for specific use including move and heat resistance,
contact Mitsubishi Service or representative.
Table 3.5 Specifications of optical fiber cable
Item SI (Multicomponent glass) H-PCF (Plastic clad)
Station-to-station distance 1km 1km
Transmission loss 12dB/km 6dB/km
Core diameter
200 m 200 m
Clad diameter
220 m 250 m
Primary film
250 m
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Applicable connector Connectors equivalent to F06/F08 (Conforming to JIS C 5975/5977)