Siemens SIMATIC NET Manuale utente
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Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage
to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices
referring only to property damage have no safety alert symbol. These notices shown below are graded according to
the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will be
used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to property
damage.
Qualied Personnel
The product/system described in this documentation may be operated only by personnel qualied for the specic
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualied personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended or
approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance
are required to ensure that the products operate safely and without any problems. The permissible ambient
conditions must be complied with. The information in the relevant documentation must be observed.
Trademarks
All names identied by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication may
be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software described.
Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the information in this
publication is reviewed regularly and any necessary corrections are included in subsequent editions.
Siemens AG
Digital Industries
Postfach 48 48
90026 NÜRNBERG
GERMANY
C79000-G8976-C620-01
Ⓟ 04/2021 Subject to change
Copyright © Siemens AG 2021.
All rights reserved
Table of contents
1 Frequency / modulation......................................................................................................................... 7
2 Data transmission speed ....................................................................................................................... 9
2.1 IEEE 802.11abg ................................................................................................................... 9
2.2 IEEE 802.11n ....................................................................................................................... 9
2.3 IEEE 802.11ac.................................................................................................................... 10
2.4 IEEE 802.11ax.................................................................................................................... 12
3 Transmit power.................................................................................................................................... 13
3.1 Frequency band 2.4 GHz .................................................................................................... 13
3.2 Frequency band 5 GHz ....................................................................................................... 13
Performance data SCALANCE W700 802.11ax
Reference Manual, 04/2021, C79000-G8976-C620-01 3
Table of contents
Performance data SCALANCE W700 802.11ax
4Reference Manual, 04/2021, C79000-G8976-C620-01
Security information
Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, systems, machines and networks.
In order to protect plants, systems, machines and networks against cyber threats, it is necessary
to implement – and continuously maintain – a holistic, state-of-the-art industrial security
concept. Siemens’ products and solutions constitute one element of such a concept.
Customers are responsible for preventing unauthorized access to their plants, systems,
machines and networks. Such systems, machines and components should only be connected to
an enterprise network or the internet if and to the extent such a connection is necessary and only
when appropriate security measures (e.g. rewalls and/or network segmentation) are in place.
For additional information on industrial security measures that may be implemented, please
visit
https://www.siemens.com/industrialsecurity (https://www.siemens.com/industrialsecurity).
Siemens’ products and solutions undergo continuous development to make them more secure.
Siemens strongly recommends that product updates are applied as soon as they are available
and that the latest product versions are used. Use of product versions that are no longer
supported, and failure to apply the latest updates may increase customer’s exposure to cyber
threats.
To stay informed about product updates, subscribe to the Siemens Industrial Security RSS Feed
under
https://www.siemens.com/industrialsecurity (https://www.siemens.com/industrialsecurity).
Performance data SCALANCE W700 802.11ax
Reference Manual, 04/2021, C79000-G8976-C620-01 5
Performance data SCALANCE W700 802.11ax
6Reference Manual, 04/2021, C79000-G8976-C620-01
Frequency / modulation 1
Frequency
ETSI, USA, Canada
• 11b/g/n/ax ISM band: 2.412 GHz - 2.472 GHz
• 11a/n/ac/ax ISM band: 5.180 GHz - 5.825 GHz
Modulation
• 802.11a: OFDM (BPSK, QPSK, 16-QAM, 64-QAM)
• 802.11b: DSSS (BPSK, DQPSK, CCK)
• 802.11g: OFDM (BPSK, QPSK, 16-QAM, 64-QAM)
• 802.11n: OFDM (BPSK, QPSK, 16-QAM, 64-QAM)
• 802.11ac: OFDM (BPSK, QPSK, 16-QAM, 64-QAM, 128-QAM, 256-QAM)
• 802.11ax: OFDM (BPSK, QPSK, 16-QAM, 64-QAM, 128-QAM, 256-QAM, 1024-QAM)
Performance data SCALANCE W700 802.11ax
Reference Manual, 04/2021, C79000-G8976-C620-01 7
Frequency / modulation
Performance data SCALANCE W700 802.11ax
8Reference Manual, 04/2021, C79000-G8976-C620-01
Data transmission speed 2
2.1 IEEE 802.11abg
The following table shows the data transmission speeds with 802.11a, 802.11b and 802.11g.
Protocol Transmission speed in Mbps
802.11a 6
9
12
18
24
36
48
54
802.11b 1
2
5,5
11
802.11g 6
9
12
18
24
36
48
54
All transmission types support the automatic fallback function.
2.2 IEEE 802.11n
The following table shows the data transmission speeds with 802.11n.
HT(1)
MCS index (2)
Spatial
streams
Transmission speed in Mbps
20 MHz channel 40 MHz channel
800 ns GI (3) 400 ns GI (3) 800 ns GI (3) 400 ns GI (3)
0 1 6,5 7,2 13,5 15,0
1 1 13,0 14,4 27,0 30,0
2 1 19,5 21,7 40,5 45,0
3 1 26,0 28,9 54,0 60,0
4 1 39,0 43,3 81,0 90,0
5 1 52,0 57,8 108,0 120,0
6 1 58,5 65,0 121,5 135,0
7 1 65,0 72,2 135,0 150,0
8 2 13,0 14,4 27,0 30,0
Performance data SCALANCE W700 802.11ax
Reference Manual, 04/2021, C79000-G8976-C620-01 9
HT(1)
MCS index (2)
Spatial
streams
Transmission speed in Mbps
20 MHz channel 40 MHz channel
800 ns GI (3) 400 ns GI (3) 800 ns GI (3) 400 ns GI (3)
9 2 26,0 28,9 54,0 60,0
10 2 39,0 43,3 81,0 90,0
11 2 52,0 57,8 108,0 120,0
12 2 78,0 86,7 162,0 180,0
13 2 104,0 115,6 216,0 240,0
14 2 117,0 130,0 243,0 270,0
15 2 130,0 144,4 270,0 300,0
16 3 19,5 21,7 40,5 45,0
17 3 39,0 43,3 81,0 90,0
18 3 58,5 65,0 121,5 135,0
19 3 78,0 86,7 162,0 180,0
20 3 117,0 130,7 243,0 270,0
21 3 156,0 173,3 324,0 360,0
22 3 175,5 195,0 364,5 405,0
23 3 195,0 216,7 405,0 450,0
24 4 26,0 28,9 54,0 60,0
25 4 52,0 57,8 108,0 120,0
26 4 78,0 86,7 162,0 180,0
27 4 104,0 115,6 216,0 240,0
28 4 156,0 173,3 324,0 360,0
29 4 208,0 231,1 432,0 480,0
30 4 234,0 260,0 486,0 540,0
31 4 260,0 288,9 540,0 600,0
(1) High Throughput data eld
(2) Modulation and Coding Scheme index
(3) Guard Interval
All transmission types support the automatic fallback function.
2.3 IEEE 802.11ac
The following table shows the data transmission speeds with 802.11ac.
VHT(1)
MCS in‐
dex (2)
Spa‐
tial
strea
ms
Transmission speed in Mbps
20 MHz channel 40 MHz channel 80 MHz channel 160 MHz channel
Guard interval Guard interval Guard interval Guard interval
800 ns 400 ns 800 ns 400 ns 800 ns 400 ns 800 ns 400 ns
0 1 6,5 7,2 13,5 15,0 29,3 32,5 58,5 65
1 1 13,0 14,4 27,0 30,0 58,5 65,0 117 130
2 1 19,5 21,7 40,5 45,0 87,8 97,5 175,5 195
Data transmission speed
2.3 IEEE 802.11ac
Performance data SCALANCE W700 802.11ax
10 Reference Manual, 04/2021, C79000-G8976-C620-01
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