kSIST FprEN IEC 62657-2:2025

SLOVENSKI STANDARD
oSIST prEN IEC 62657-2:2024
01-februar-2024
Industrijska omrežja - Soobstoj brezžičnih sistemov - 2. del: Upravljanje soobstoja
Industrial networks - Coexistence of wireless systems - Part 2: Coexistence management
Industrielle Kommunikationsnetze - Koexistenz von Funksystemen - Teil 2: Koexistenz-
Management
Réseaux industriels - Coexistence des systèmes sans fil - Partie 2: Gestion de
coexistence
Ta slovenski standard je istoveten z: prEN IEC 62657-2:2023
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.110 Omreževanje Networking
oSIST prEN IEC 62657-2:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 62657-2:2024
oSIST prEN IEC 62657-2:2024
65C/1278/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62657-2 ED4
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-12-22 2024-03-15
SUPERSEDES DOCUMENTS:
65C/1261/CD, 65C/1270/CC
IEC SC 65C : INDUSTRIAL NETWORKS
SECRETARIAT: SECRETARY:
France Ms Valérie DEMASSIEUX
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

SC 3D
Other TC/SCs are requested to indicate their interest, if any, in
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
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are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries”
clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Industrial networks - Coexistence of wireless systems - Part 2: Coexistence management
PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
th
NC comments on this CDV will be addressed during the next SC65C/WG17 virtual meeting on April 8 , 2024
(one Zoom session from 11:00 to 15:00 Geneva time, 9:00 to 13:00 UTC). Meeting details will be sent at a later
date by the convenor
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

oSIST prEN IEC 62657-2:2024
– 2 – IEC CDV 62657-2 © IEC 2023
3 CONTENTS
5 FOREWORD . 7
6 INTRODUCTION . 9
7 1 Scope . 11
8 2 Normative references . 11
9 3 Terms, definitions, abbreviated terms and conventions . 12
10 3.1 Terms and definitions . 12
11 3.2 Abbreviated terms . 27
12 3.3 Conventions . 28
13 4 Coexistence concept in industrial automation . 28
14 4.1 Overview. 28
15 4.2 Objective . 29
16 4.3 Necessity to implement a coexistence management . 32
17 4.4 Interference potential . 33
18 4.5 Ancillary conditions . 35
19 4.6 Requirements to wireless devices for support of coexistence management . 36
20 4.7 Concepts . 36
21 4.7.1 Manual coexistence management . 36
22 4.7.2 Automated non-collaborative coexistence management . 37
23 4.7.3 Automated collaborative coexistence management . 37
24 4.8 Best practices to achieve coexistence . 38
25 4.9 Coexistence conceptual model . 40
26 4.10 Coexistence management and selection of a wireless solution . 42
27 4.11 Coexistence management system . 44
28 5 Coexistence management parameters . 44
29 5.1 General . 44
30 5.1.1 Definition and usage of parameters . 44
31 5.1.2 Physical link . 44
32 5.2 Adjacent channel selectivity . 45
33 5.3 Antenna gain . 45
34 5.4 Antenna radiation pattern . 45
35 5.5 Antenna type . 45
36 5.6 Communication availability . 46
37 5.7 Communication reliability . 46
38 5.8 Bit rate of physical link . 46
39 5.9 Blocked frequency list . 46
40 5.10 Centre frequency . 46
41 5.11 Area of operation . 47
42 5.12 Communication load . 47
43 5.13 Cut-off frequency . 49
44 5.14 Data throughput . 50
45 5.15 Distance between wireless devices . 50
46 5.16 Duty cycle . 51
47 5.17 Dwell time . 53

oSIST prEN IEC 62657-2:2024
IEC CDV 62657-2 © IEC 2023 – 3 –
48 5.18 Equivalent isotropic radiated power. 54
49 5.19 Equivalent radiated power . 54
50 5.20 Frequency band . 54
51 5.21 Frequency bandwidth . 54
52 5.22 Frequency channel . 55
53 5.23 Frequency hopping sequence . 55
54 5.24 Future expansion plan . 56
55 5.25 Geographical dimension of the plant . 56
56 5.26 Infrastructure device . 56
57 5.27 Initiation of data transmission . 56
58 5.28 Interference type . 56
59 5.29 Intervisibility. 57
60 5.30 ISM application . 57
61 5.31 Length of user data per transfer interval. 57
62 5.32 Limitation from neighbours of the plant . 57
63 5.33 Maximum number of retransmissions . 57
64 5.34 Mechanism for adaptivity . 58
65 5.35 Medium access control mechanism . 58
66 5.36 Medium utilization factor . 58
67 5.37 Message . 59
68 5.38 Modulation . 59
69 5.39 Natural environmental condition . 59
70 5.40 Network topology . 59
71 5.41 Number of consecutive lost messages . 60
72 5.42 Object movement . 60
73 5.43 Operating time between failures . 60
74 5.44 Message loss ratio . 60
75 5.45 Position of wireless devices . 61
76 5.46 Power spectral density . 61
77 5.47 Purpose of the automation application . 62
78 5.48 Receiver blocking . 62
79 5.49 Receiver maximum input level . 62
80 5.50 Receiver sensitivity . 62
81 5.51 Regional radio regulations . 62
82 5.52 Relative movement . 63
83 5.53 Response time . 63
84 5.54 Security level . 63
85 5.55 Spatial coverage of the wireless communication system . 64
86 5.56 Spatial extent of the application . 64
87 5.57 Spurious response . 64
88 5.58 Survival time . 64
89 5.59 Total radiated power . 64
90 5.60 Transfer interval . 64
91 5.61 Transmission gap . 65
92 5.62 Transmission time . 66
93 5.63 Transmitter output power . 69
94 5.64 Transmitter sequence . 69
95 5.65 Transmitter spectral mask . 71
96 5.66 Update time . 71

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