Siemens Simatic S7-1500R System Manual page 127

Wiring
5.9 Connecting interfaces for communication with S7-1500H
Cabling
Installation through distri-
bution boxes. Additional
information can be found
in the section below.
Table 5- 5 Specifications for fiber-optic cables used outdoors
Cabling
A cable junction is re-
quired between the indoor
and outdoor area.
Additional information can
be found in the section
below.
126
Necessary components
One distribution
•
box/junction box for each
branch.
Connecting the installation
•
and patch cables via the
distribution box. Use either
ST or SC plug-in connect-
ors.
Necessary components
Installation cable for
outdoor use
Specifications
Connector type ST or SC, in line with the other components.
Specifications
Installation cable for outdoor use:
1 cable with 4 cores per S7-1500H system
•
Both interfaces in one cable
1 or 2 cables with multiple shared cores
•
Interfaces laid separately to increase availability (reduc-
tion of common cause factor)
Connector type ST or SC, for example, in line with the
•
other components
See also other specifications applicable to your plant:
UL approval
•
Halogen-free
•
See also other specifications for given local conditions:
Protection from increased mechanical stress
•
Protection from rodents
•
Protection from water
•
Suitable for direct burial
•
Suitable for the relevant temperature ranges
•
Avoid splicing cables in the field.
Use the pre-assembled cables with pulling protection/pulling
aids in whiplash design, including measuring log.
System Manual, 10/2018, A5E41814787-AA
S7-1500R/H redundant system