YOKOGAWA ProSafe-RS - Page 193

3. Cabling
3-86
TI 32P01J10-01EN
 Fiber-optic Cable for Optical ESB
Specications of Fiber-optic Cables Used in Optical ESB Bus Repeater
Modules
The table below shows the specications of the ber-optic cables used in optical ESB bus
repeater modules.
Table Specications of Fiber-optic Cables Used in Optical ESB Bus Repeater Modules
Item Specication
Connector Type LC connector (IEC 61754-20-compliant product)
Cable
Silica-based single-mode bers
(JIS C6835 SSMA-9.3/125, IEC 60793-2-50B1.1)
Number of cores used Two
Fiber-optic cables with the temperature rating of an ambient temperature plus 20 °C or more
must be used.
Lay ber-optic cables according to the manufacturer’s cable handling precautions such as
allowable bending radius.
Secure and wire the ber-optic cables so as not to put extra stress on the cable trays in the units
listed below:
• Safety control unit
• Safety node unit
• Unit for optical bus repeater module
Nov. 27, 2015-00