Siemens Simatic S7-1500R System Manual page 128

Cabling
Installation through distri-
bution boxes
A cable junction is re-
quired between the indoor
and outdoor area.
Additional information can
be found in the section
below.
Installation of fiber-optic cable through distribution boxes
①
②
③
④
Figure 5-9
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
Necessary components
Installation cable for indoor use
also
Patch cable for indoors
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.
H-CPU (CPU 1517H-3 PN)
Additional distribution boxes, if necessary, for example with SC or ST couplers. This allows you
to combine individual sections to achieve the required total length (maximum of 10 km) of fiber-
optic cable.
Patch cable (duplex), for example LC-SC/ST
Distribution box, for example with SC or ST couplers
Fiber-optic cables, installation through distribution boxes
5.9 Connecting interfaces for communication with S7-1500H
Specifications
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
•
Avoid splicing cables in the field.
Use the pre-assembled cables with pulling protection/aids in
whiplash or breakout design, including measuring log.
Connector type LC on ST or SC, for example, in line with
the other components.
Connector type ST or SC, for example, in line with the other
components.
Wiring
127