Siemens SIMATIC ET 200AL - Page 981

Description
2.2 Setting up PROFINET
PROFINET with STEP 7 V15
34 Function Manual, 12/2017, A5E03444486-AH
Overview of transmission media with PROFINET
The following table summarizes the technical specifications of a PROFINET interface with
integrated switch or an external switch, and possible transmission media.
Table 2- 6 Transmission media with PROFINET
Physical
properties
Connection methods
Cable type / transmission
medium
standard
Transmission
rate /
mode
Max. segment
length
(be-
tween two
devices)
Advantages
Electrical
RJ45 connector ISO
60603-7
100Base-TX
2x2 twisted, symmetrical
and shielded copper cable,
CAT 5 transmission re-
quirement
IEEE 802.3
100 Mbps, full
duplex
100 m Simple and cheap
cable connection
Optical
SCRJ 45
ISO/IEC 61754-24
100Base-FX
POF fiber-optic cable (Po-
lymer Optical Fiber, POF)
980/1000 µm (core diameter
/ external diameter)
ISO/IEC 60793-2
100 Mbps, full
duplex
50 m Use when there are
large differences in
potential
Insensitive towards
electromagnetic
radiation
Low line attenuation
Considerably longer
segments possible
1
Plastic-cladded glass fiber
(Polymer Cladded Fiber,
PCF)
200/230 µm (core diameter /
external diameter)
ISO/IEC 60793-2
100 Mbps, full
duplex
100 m
BFOC (Bayonet
Fiber Optic Connect-
or) and SC (Sub-
scriber Connector)
ISO/IEC 60874
Monomode glass fiber optic
cable
10/125 µm (core diameter /
external diameter)
ISO/IEC 60793-2
100 Mbps, full
duplex
26 km
Multimode glass fiber optic
cable
50/125 µm and 62.5/125 µm
(core diameter / external
diameter)
ISO/IEC 9314-4
100 Mbps, full
duplex
3000 m
Electroma
gnetic
waves
- IEEE 802.11 x Depends on the
extension used
(a, g, h, etc.)
100 m Greater mobility
Cost-effective net-
working to remote,
difficult to access
devices
1
Applies for fiber-optic cables only