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IEC 62026-2
Edition 2.0 2019-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Low-voltage switchgear and controlgear – Controller-device interfaces (CDIs) –
Part 2: Actuator sensor interface (AS-i)
Appareillage à basse tension – Interfaces appareil de commande-appareil (CDI) –
Partie 2: Interface capteur-actionneur (AS-i)
IEC 62026-2:2008-01/AMD1:2019-07(en-fr)
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IEC 62026-2
Edition 2.0 2019-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Low-voltage switchgear and controlgear – Controller-device interfaces (CDIs) –
Part 2: Actuator sensor interface (AS-i)
Appareillage à basse tension – Interfaces appareil de commande-appareil (CDI) –
Partie 2: Interface capteur-actionneur (AS-i)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.20 ISBN 978-2-8322-7101-8
– 2 – IEC 62026-2:2008/AMD1:2019
IEC 2019
FOREWORD
This amendment has been prepared by subcommittee 121A: Low-voltage switchgear and
controlgear, of IEC technical committee 121: Switchgear and controlgear and their assemblies
for low voltage.
The text of this amendment is based on the following documents:
FDIS Report on voting
121A/297/FDIS 121A/304/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
2 Normative references
Replace the existing normative references concerned by the following updated normative
references:
IEC 60068-2-6, Environmental testing − Part 2-6: Tests − Test Fc: Vibration (sinusoidal)
IEC 60068-2-27, Environmental testing − Part 2-27: Tests − Test Ea and guidance: Shock
IEC 60204-1:2016, Safety of machinery – Electrical equipment of machines – Part 1: General
requirements
IEC 60364-4-41, Low-voltage electrical installations − Part 4-41: Protection for safety −
Protection against electric shock
IEC 60529, Degrees of protection provided by enclosures (IP code)
IEC 60947-1:2007, Low-voltage switchgear and controlgear − Part 1: General rules
IEC 60947-1:2007/AMD1:2010
IEC 60947-4-1:2018, Low-voltage switchgear and controlgear − Part 4-1: Contactors and
motor-starters − Electromechanical contactors and motor-starters
IEC 2019
IEC 60947-4-2:2011, Low-voltage switchgear and controlgear − Part 4-2: Contactors and
motor-starters − AC semiconductor motor controllers and starters
IEC 60947-5-2:2007, Low-voltage switchgear and controlgear − Part 5-2: Control circuit
devices and switching elements − Proximity switches
IEC 60947-5-2:2007/AMD1:2012
IEC 61000-4-2:2008, Electromagnetic compatibility (EMC) – Part 4-2: Testing and
measurement techniques – Electrostatic discharge immunity test
IEC 61000-4-3:2006, Electromagnetic compatibility (EMC) – Part 4-3: Testing and
measurement techniques – Radiated, radio-frequency, electromagnetic field immunity test
IEC 61000-4-3:2006/AMD1:2007
IEC 61000-4-3:2006/AMD2:2010
IEC 61000-4-4:2012, Electromagnetic compatibility (EMC) – Part 4-4: Testing and
measurement techniques – Electrical fast transient/burst immunity test
IEC 61131-2, Industrial-process measurement and control – Programmable controllers –
Part 2: Equipment requirements and tests
IEC 61140, Protection against electric shock – Common aspects for installation and
equipment
IEC 61800-2, Adjustable speed electrical power drive systems – Part 2: General requirements
– Rating specifications for low voltage adjustable speed a.c. power drive systems
CISPR 11:2015, Industrial, scientific and medical (ISM) equipment – Radio-frequency
disturbance characteristics – Limits and methods of measurement
CISPR 11:2015/AMD1:2016
Delete the following existing normative reference:
IEC TS 61915:2003, Low-voltage switchgear and controlgear – Principles for the development
of device profiles for networked industrial devices
Add the following new normative references:
IEC 61000-4-6:2013, Electromagnetic compatibility (EMC) – Part 4-6: Testing and
measurement techniques – Immunity to conducted disturbances, induced by radio-frequency
fields
IEC 61915 (all parts), Low-voltage switchgear and controlgear – Device profiles for networked
industrial devices
5.4.4 AS-i earth-fault detector
Replace the existing first and second paragraphs by the following two new paragraphs:
In accordance with IEC 60204-1, insulation faults on any control circuit shall not cause
unintentional starting, potentially hazardous motions or prevent stopping of the machine. To
fulfil this requirement, IEC 60204-1 indicates that control circuits that are not connected to the
protective bonding circuit shall be provided with an insulation monitoring device that either
interrupts the circuit automatically after detecting an earth fault or indicates an earth fault to
initiate a signalling at the machine.
– 4 – IEC 62026-2:2008/AMD1:2019
IEC 2019
If an AS-i network is used to control potentially dangerous movements of a machine and
IEC 60204-1 applies, an insulation monitoring device shall be installed. If the AS-i network is
composed of separate parts that are isolated from each other, an insulation monitoring device
shall be used for each isolated part of the network.
Table 15 – Connection and wiring identification
In existing footnote a, replace "IEC 60947-5-2" with "IEC 60947-5-2:2007/AMD1:2012".
8.3.2 AS-i earth fault detector
Replace the existing third paragraph by the following new paragraph:
The manufacturer shall declare the impedance range that can be detected by the earth fault
detector between ASI+ and ground and ASI- and ground. It shall be compatible with the
requirements for the detection of an insulation fault, in accordance with IEC 60204-1.
8.6.2 Immunity
Replace existing first dashed item of second paragraph by the following new dashed item:
– A. Normal performance within the specification limits and statistical maximum of one
disturbed master request or slave response per 30 transactions.
8.6.2.3 Conducted radio frequency disturbances
Replace existing text of this subclause (including the note) by the following new text:
This test shall be conducted with 3 V, in accordance with IEC 61000-4-6, and performance
criterion A shall apply.
NOTE The operating environment of these devices using an AS-i power supply with a decoupling network is
considered to be well protected against conducted radio frequency disturbances; therefore, testing with 3 V is
sufficient.
9.1.2 Type tests
Insert the following new paragraph after the existing dashed items list:
EMC tests of the AS-i network shall be conducted in accordance with 9.5.9.
9.5.4.3.2 Test procedure with current probe and oscilloscope (Figure 86b)
Replace the existing first sentence of the second paragraph with the following new text:
Switch S1 allows to provide the AS-i slave either with the signal from the master (to switch the
slave in the desired state) or with the a.c. sinus signal to determine the impedance.
9.5.9.1 Test conditions
Replace the existing first paragraph by the following new paragraph:
Unless otherwise stated, the tests shall be carried out on all AS-i-devices addressed in this
document at an ambient air temperature of 23 °C ±5 °C.
Change the existing reference in the 4th paragraph under b) to read:
For master:
IEC 2019
in accordance with 9.6 without repetition of any message in case of a fault.
9.5.9.5 Emission requirements
Replace existing text of this subclause by the following new text:
The tests shall be performed in accordance with the classification of equipment given in
Clause 5 of CISPR 11:2015, CISPR 11:2015/AMD1:2016 for group 1, class A devices and in
accordance with 8.6.3. The test levels specified in Clause 6 of CISPR 11:2015,
CISPR 11:2015/AMD1:2016 shall apply together with the test methods specified in Clause 7
of CISPR 11:2015, CISPR 11:2015/AMD1:2016.
A.4.5.3 S-7.E – Semiconductor motor control devices
Replace the existing note by the following new note:
NOTE When the motor starter is hybrid (semiconductor and electromechanical), it is considered as a
semiconductor starter (3.4.1 or 3.4.2 of IEC 60947-4-2:2011).
A.4.5.4 S-7.D/E glossary
Index:
3 Protected starter
At the end of existing text, replace the existing reference to IEC 60947-4-1 by the following
new reference:
(3.4.6 of IEC 60947-4-1:2018)
4 Combination starter
At the end of existing text, replace the existing reference to IEC 60947-4-1 by the following
new reference:
(3.4.7 of IEC 60947-4-1:2018)
5 Direct on line starter
At the end of existing text, replace the existing reference to IEC 60947-4-1 by the following
new reference:
(3.4.2 of IEC 60947-4-1:2018)
6 Reversing starter
At the end of existing text, replace the existing reference to IEC 60947-4-1 by the following
new reference:
(3.4.3 of IEC 60947-4-1:2018)
7 Reduced voltage starter
At the
...