🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS EN 62488-2:2017:2020 Edition

BS EN 62488-2:2017:2020 Edition

$215.11

Power line communication systems for power utility applications – Analogue power line carrier terminals or APLC

Published By Publication Date Number of Pages
BSI 2020 84
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
2 undefined
9 CONTENTS
14 FOREWORD
16 INTRODUCTION
17 1 Scope
Figures
Figure 1 – Schematic representation of the scope of IEC 62488-2
18 2 Normative references
20 3 Terms, definitions and abbreviations
3.1 Terms and definitions
22 3.2 Abbreviations
23 4 Low frequency side interfaces
4.1 General
Figure 2 – Generic architecture of an APLC terminal
24 4.2 Analogue interfaces
4.2.1 General
4.2.2 Voice frequency band
4.2.3 Nominal impedance
4.2.4 Return loss
4.2.5 Degree of unbalance to Earth
4.2.6 ITU-T voice channel interface
4.2.7 Subscriber interface
25 4.2.8 PBX interconnection interface
4.2.9 Narrowband telegraphic channel interface
Figure 3 – Subscriber PBX interfaces local and remote
Figure 4 – Interfaces for PBX trunk interconnection through APLC link
26 4.3 Analogue teleprotection system interface
4.3.1 Description
Figure 5 – Low symbol rate ITU-T telegraphic channelling
27 4.3.2 Integrated teleprotection
4.3.3 Teleprotection interface frequency band
4.3.4 Teleprotection interface impedance
4.3.5 Teleprotection interface reflection
4.3.6 Teleprotection interface signal levels
4.3.7 Teleprotection interface control circuits
28 4.4 Digital interfaces
4.4.1 Telephony signaling interface
4.4.2 Internal data modem
29 Figure 6 – Commonly used EIA RS-232 connector
Figure 7 – Commonly used V.11 connector
30 Tables
Table 1 – FSK symbol rate and related narrowband standards
31 5 Transmission line side high frequency interface
5.1 APLC high frequency band and channelling
Figure 8 – ETH IEEE 802.3 RJ45 type connector
Figure 9 – ETH IEEE 802.3 SC type connector
32 5.2 Frequency accuracy
5.3 Signal levels
5.4 Nominal impedance
5.5 Return loss
5.6 Degree of unbalance to earth
5.7 Tapping loss
33 5.8 Spurious emissions
Figure 10 – Tapping loss limits for APLC terminals
34 6 Quality and Performance
6.1 General
Figure 11 – Maximum level of spurious emissions outside the high frequency band
35 6.2 APLC internally generated noise
6.3 Automatic gain control
6.4 Limiter action
6.5 Transmit/Receive frequency difference
6.6 Attenuation distortion
Figure 12 – Reference points for measuring APLC parameters
36 Figure 13 – Attenuation distortion limits for the voice frequency band of 300 Hz to 3400 Hz (ITU-T G.232)
Figure 14 – Attenuation distortion limits for the voice frequency band of 300 Hz to 2400 Hz
Figure 15 – Attenuation distortion limits for the voice frequency band of 300 Hz to 2000 Hz
37 6.7 Group-delay distortion
Figure 16 – Group delay distortion limits for the voice frequency band of 300 Hz to 3400 Hz
Figure 17 – Group delay distortion limits for the voice frequency band of 300 Hz to 2400 Hz
38 6.8 Harmonic distortion
6.9 Selectivity
6.10 Crosstalk attenuation
6.10.1 Co-channel crosstalk attenuation
6.10.2 Inter-channel crosstalk attenuation
Figure 18 – Group delay distortion limits for the voice frequency band of 300 Hz to 2000 Hz
39 7 Testing
7.1 General
7.2 Test setup for APLC link tests
7.3 Return loss
40 7.4 Degree of unbalance to earth
7.4.1 General
Figure 19 – Test circuit for return loss measurement
41 7.4.2 LCL
7.4.3 OSB
Figure 20 – Test circuit for LCL measurement (Tx port)
42 7.5 Tapping loss
Figure 21 – Test circuit for OSB measurement (Rx port)
Figure 22 – Test circuit for Tapping Loss measurement
43 7.6 Spurious emissions
7.6.1 Single channel terminals
7.6.2 Multi-channel terminals
7.7 Selectivity
44 7.8 Co-channel and inter-channel crosstalk attenuation
8 Configuration and management
8.1 General
8.2 Configuration
Figure 23 – Test circuit for selectivity measurement
45 8.3 Network management system
8.4 Local terminal alarms
9 Cyber security
9.1 General
46 9.2 Authentication
10 APLC safety
10.1 General
10.2 Safety reference standard
10.3 Classification of APLC Terminals
47 Table 2 – Basic insulation [Table C.6 of IEC 60255-27:2013]
Table 3 – Double or reinforced insulation [Table C.10 of IEC 60255-27:2013]
48 10.4 Ingress protection
10.5 Type and routine tests
49 Table 4 – List of Type and Routine Tests [Table 12 of IEC 60255-27:2013]
50 11 Storage and transportation, operating conditions, power supply
11.1 Storage and transportation
11.1.1 Climatic conditions
Table 5 – Classification of climatic conditions [Table 1 of IEC 60721-3-1:1997]
51 11.1.2 Mechanical
Table 6 – Climatic tests for storage and transportation
52 11.2 Operating conditions
11.2.1 Climatic conditions
53 11.2.2 Mechanical
Table 7 – Classification of climatic conditions from Table 1 of IEC 60721-3-3:2002
54 11.2.3 Operating conditions set of tests
Table 8 – Classification of mechanical conditions from Table 6 of IEC 60721-3-3:2002
Table 9 – Climatic tests
55 11.3 Power supply
11.3.1 AC supply
11.3.2 DC supply
Table 10 – Sinusoidal vibration test
Table 11 – Non-repetitive shock test
56 12 EMC
12.1 Emission and Immunity reference standards
57 12.2 Emission
12.2.1 Radiated and conducted emission
Table 12 – Emission – Enclosure port [Table 1 of IEC 61000-6-4:2011 (ed.2.1)]
59 Table 13 – Emission – Low voltage AC mains port [Table 2 of IEC 61000-6-4:2011 (ed.2.1)]
60 Table 14 – Emission – Telecommunications/network port [Table 3 of IEC 61000-6-4:2011 (ed.2.1)]
61 12.2.2 Low frequency disturbance emission
12.3 Immunity
12.3.1 EMC Environment
Figure 24 – LF disturbances measurement setup
62 Table 15 – Characterization of the electromagnetic phenomena [Table 1 of IEC 61000-6-5:2015]
63 12.3.2 Functional requirements
12.3.3 Immunity test list
Table 16 – Port classification
Table 17 – Performance criteria
64 Table 18 – Immunity test list
66 Annex A (normative) Characteristics of compandors for telephony (based on the withdrawn ITU-T Recommendation G.162)
A.1 General
A.2 Characteristics of compandors
A.3 Definition and value of the unaffected level
A.4 Ratio of compression and expansion
67 A.5 Range of level
A.6 Signal to noise ratio
68 Annex B (informative) APLC communication model
B.1 General
Figure B.1 – Basic components of the APLC Terminal
Figure B.2 – Baseband and pass band signals correspondence in SSB modulation
69 Figure B.3 – APLC Terminal LF, baseband and HF interfaces identification
Figure B.4 – Examples for low frequency signals with bandwidth 4 kHz (IEC 62488-1)
Figure B.5 – Composition of the modulating baseband for eight telephony channels with signalling APLC terminal (source Japan NC)
70 Figure B.6 – Line-up limits of circuits for a 4 kHz channel terminal (ITU-T G.120)
71 B.2 AM-SSB modulation technique
Figure B.7 – Example of HF channelling plan (4 kHz based – IEC 62488-1)
Figure B.8 – Principle of phasing SSB modulator
72 B.3 Functional blocks of an APLC terminal
Figure B.9 – Principle of phasing SSB demodulator
73 Figure B.10 – Generic APLC terminal main functional blocks
74 Annex C (informative) HF modulated power signal
C.1 General
C.2 Discrete tone signals
75 Figure C.1 – Sine wave and its probability distribution
76 C.3 Voice channels
Figure C.2 – Probability of combined sine waves
77 C.4 Composite channels
Figure C.3 – Nominal high frequency band output power of multichannel PLC terminals
78 Table C.1 – Load capacity of voice channels
79 C.5 Calculation examples
C.5.1 General
C.5.2 Calculation example 1: Load capacity and PEP
C.5.3 Calculation example 2: Power distribution adjustment
81 Bibliography

Related products

BS EN 62488-2:2017
$215.11