5.2 Selecting fiber-optic cables
Check or make allowance for the following conditions and situations when selecting a suitable
fiber-optic cable:
● Required cable lengths
● Indoor or outdoor installation
● Any particular protection against mechanical stress required?
● Any particular protection against rodents required?
● Can an outside cable be routed directly underground?
● Does the fiber-optic cable need to be water-proof?
● Which temperatures influence the installed fiber-optic cable?
Observe the following rules:
● Provide for sufficient strain relief at the modules.
● Keep to the specified environmental conditions of the fiber-optic cables used (bending radii,
pressure, temperature...)
● Observe the technical specifications of the fiber-optic cables used (attenuation,
bandwidth...)
Cable length up to 10 m
You can use the synchronization modules 6ES7 960–1AA06–0XA0 and 6ES7 960–1AA08–
0XA0 in pairs with fiber-optic cables up to 10 m.
Select cables with the following specification for lengths up to 10 m:
● Multimode fiber 50/125 µ or 62.5/125 µ
● Patch cable for indoor applications
● 2 x duplex cables per fault-tolerant system, cross-over
● Connector type LC–LC
Such cables are available in the following length as accessories for fault-tolerant systems:
Table 5-1 Accessory fiber-optic cable
Length Order number
1 m 6ES7960–1AA04–5AA0
2 m 6ES7960–1AA04–5BA0
10 m 6ES7960–1AA04–5KA0
Cable length up to 10 km
You can use the synchronization module 6ES7960-1AB06-0XA0 in pairs with fiber-optic cables
up to 10 km.
Assembling
5.2 Selecting fiber-optic cables
Synchronization modules for S7-400H
16 Equipment Manual, 04/2020, A5E50072434-AA
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