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BSI 24/30486112 DC:2024 Edition

BSI 24/30486112 DC:2024 Edition

$13.70

BS EN IEC 60730-2-6 Automatic electrical controls – Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements

Published By Publication Date Number of Pages
BSI 2024 40
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PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
9 1 Scope
10 2 Normative references
3 Terms and definitions
3.2 Definitions of types of control according to purpose
3.2.101
11 3.3 Definitions relating to the function of controls
3.3.101
3.8 Definitions relating to component parts of controls
3.8.101
4 General
4.3 General notes on tests
4.3.2 Conditions of test
4.3.2.7 Replacement:
4.3.4 Instructions for test
4.3.4.1 According to submission
12 5 Required technical information
6 Protection against electric shock
7 Provision for protective earthing
13 8 Terminals and terminations
9 Constructional requirements
9.4 Actions
9.4.101 Type 2.N action (for sensing actions, no increase in the operating value as a result of any leakage from the sensing element or from parts connecting the sensing element to the switch head)
9.11 Requirements during mounting, use, maintenance and servicing
14 9.101 Construction requirements relating to operating mechanism
10 Threaded parts and connections
15 11 Creepage distances, clearances and distances through solid insulation
12 Components
13 Fault assessment on electronic circuits
13.1 Fault assessment for inherent safety
13.1.3 Component fault assessment
13.1.3.8 Compliance criteria
14 Moisture and dust resistance
14.1 Protection against ingress of water and dust
15 Electric strength and insulation resistance
16 Heating
17 Manufacturing deviation and drift
18 Environmental stress
19 Endurance
16 19.1 General requirement
19.1.5 Compliance criteria
19.1.6 Test sequence and conditions
19.15 Test for particular purpose controls
19.15.101 Pressure operating controls
19.15.102 Pressure limiter
17 20 Mechanical strength
20.101 Medium leakage
20.102 Strength of parts (hydrostatic)
18 21 Resistance to heat, fire and tracking
22 Resistance to corrosion
23 Electromagnetic compatibility (EMC) requirements – Emission
24 Normal operation
25 Electromagnetic compatibility (EMC) requirements – Immunity
26 Abnormal operation tests
19 Annex H (normative) Requirements related to functional safety
H.5 Information
20 H.13 Fault assessment on electronic circuits
H.13.2 Fault assessment to ensure functional safety
H.13.2.2 Class B control function
H.13.2.2.2 First fault
H.13.2.2.3 Fault introduced during defined state
H.13.2.3 Class C control function
H.13.2.3.2 First fault
21 H.13.2.3.3 Second fault
H.13.2.4 Faults during defined state
H.17 Manufacturing deviation and drift
22 A 5 % scale error, based on the maximum setting, may be applied to the minimum and midway set points. This scale error may be in addition to the maximum variations.
The control shall be connected to a source of aerostatic or hydrostatic pressure, consistent with its intended use. A pressure within 25 % of the operating pressure (maximum, minimum or midway value) is to be established and the pressure is then incre…
The test conditions and test apparatus for the initial test and final test, after the endurance tests of Clause 19, shall be the same.The appropriate operating value, operating time or operating sequence shall be recorded for each sample. No two sampl…
H.19 Endurance
23 H.25 Electromagnetic compatibility (EMC) requirements – Immunity
H.25.4 Harmonics and interharmonics including mains signalling at AC power port, low frequency immunity tests
H.25.4.101 Compliance
H.25.5 Voltage dips, voltage interruptions and voltage variations in the power supply network
H.25.5.1 Voltage dips and interruptions
H.25.5.1.1 Compliance
24 H.25.5.2 Voltage variation test
H.25.5.2.2 Test procedure
H.25.5.2.101 Compliance
25 H.25.6 Test of influence of voltage unbalance
H.25.8 Surge immunity test
H.25.8.3 Test procedure
H.25.8.102 Compliance
H.25.9 Electrical fast transient/burst immunity test
H.25.9.3 Test procedure
26 H.25.9.101 Compliance
H.25.10 Electrostatic discharge test
H.25.10.101 Compliance
27 H.25.11 Radio-frequency electromagnetic field immunity
H.25.11.2 Immunity to conducted disturbances
H.25.11.2.2 Test procedure
H.25.11.2.101 Compliance
28 H.25.11.3 Immunity to radiated disturbances
H.25.11.3.2 Test procedure
H.25.11.3.101 Compliance
H.25.12 Test of influence of supply frequency variations
H.25.12.3 Test procedure
H.25.12.101 Compliance
29 H.25.13 Power frequency magnetic field immunity test
H.25.13.3 Test procedure
H.25.13.101 Compliance
31 Annex R (informative) National differences relevant in the United States of America
R.2 Normative references
32 Annex S (informative) National differences relevant in Japan
S.2 Normative references
33 Annex T (informative) National differences relevant in Canada
T.2 Normative references
35 Annex AA (normative) Number of cycles
AA.1 Number of cycles for independently mounted controls
AA.2 Cycling rate for independently mounted controls
36 Annex BB (informative) Stainless steel for bellows, bourdon tubes or similar elements
39 Annex CC (informative) Deviation and drift requirements for pressure operating controls
40 Bibliography

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