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TI 32S01J30-01E
Explosion Protection
Nov. 10, 2022-00
CONTENTS
TI 32S01J30-01E 31st Edition
Introduction ..............................................................................................................i
Safety Precautions ..................................................................................................ii
Trademark ................................................................................................................v
1. Explosion Protection Instrumentation ....................................................1-1
1.1 Explosion Protection Standards .....................................................................1-1
1.2 Explosion Protection Construction ................................................................ 1-2
1.3 Overview of Connection to the Devices Installed in a Hazardous Area .....1-4
2. Explosion Protection Instrumentation in Zone 2/Division 2 ............... 2-1
2.1 Non-Incendive ...................................................................................................2-1
2.2 Ex “ec”, Type “n” ............................................................................................ 2-11
3. Intrinsic Safety Explosion Protection Instrumentation ....................... 3-1
3.1 Intrinsic Safety Explosion Protection Instrumentation Using Barrier base
plates .................................................................................................................. 3-2
3.1.1 Intrinsic Safety Explosion Protection of ATEX/UKEX Standard ........3-2
3.1.2 Intrinsic Safety Explosion Protection of IEC Standard ......................3-3
3.1.3 Intrinsic Safety Explosion Protection of US (FM) Standard ...............3-4
3.1.4 Intrinsic Safety Explosion Protection of Canada (FM) Standard ....... 3-5
3.1.5 Intrinsic Safety Explosion Protection of EAC Ex ................................3-6
3.1.6 Intrinsic Safety Explosion Protection of KCs .....................................3-7
3.2 Intrinsic Safety Explosion Protection Instrumentation Using Barriers ......3-8
Appendix 1. US (FM) NI/Canada (FM) NI/IECEx Ex “ec” /
ECAS-EX Ex “ec” ..............................................................App.1-1
Appendix 1.1 US (FM) NI/Canada (FM) NI/IECEx Ex “ec”/ECAS-EX Ex “ec”
Control Drawing of SCU (SSC50/SSC57/SSC60/L1SC70)
and FIO Node Unit ...........................................................................App.1-1
Appendix 1.2 US (FM) NI/Canada (FM) NI/IECEx Ex “ec”/ECAS-EX Ex “ec”
Control Drawing of SCU (S2SC70) and N-IO Node Unit ........App.1-23
Appendix 1.3 US (FM) NI/Canada (FM) NI/IECEx Ex “ec” Control Drawing of
N-IO eld enclosure ...................................................................... App.1-41
Appendix 1.4 US (FM) NI/Canada (FM) NI Control Drawing of S2BN5D .........App.1-48