YOKOGAWA ProSafe-RS

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Written by Yokogawa Electric Corporation

Published by Yokogawa Electric Corporation

2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, JAPAN

Subject to change without notice.

Main Page

Introduction2
Safety Precautions3
Trademark6
Table of Contents7
Explosion Protection Instrumentation9
Explosion Protection Standards9
Explosion Protection Construction10
Overview of Connection to the Devices Installed in a Hazardous Area12
Explosion Protection Instrumentation in Zone 2/Division 221
Non-Incendive21
Ex "Ec", Type "N31
Intrinsic Safety Explosion Protection Instrumentation37
Intrinsic Safety Explosion Protection Instrumentation Using Barrier Base Plates38
Intrinsic Safety Explosion Protection of ATEX/UKEX Standard38
Intrinsic Safety Explosion Protection of IEC Standard39
Intrinsic Safety Explosion Protection of US (FM) Standard40
Intrinsic Safety Explosion Protection of Canada (FM) Standard41
Intrinsic Safety Explosion Protection of EAC Ex42
Intrinsic Safety Explosion Protection of Kcs43
Intrinsic Safety Explosion Protection Instrumentation Using Barriers44
Appendix 1. US (FM) Ni/Canada (FM) NI/ Iecex Ex "Ec"/Ecas-EX Ex "Ec48
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 Unit48
Appendix 1.148
FM) Ni/Canada (FM) Ni/Iecex Ex "Ec"/Ecas-EX Ex "Ec" Control Drawing of SCU (S2SC70) and N-IO Node Unit88
Appendix 1.3 US (FM) Ni/Canada (FM) Ni/Iecex Ex "Ec" Control Drawing of N-IO Field Enclosure88
Appendix 1.4 US (FM) Ni/Canada (FM) ni Control Drawing of S2BN5D96
Appendix 2. ATEX Ex "Ec"/Atex Type "N" / UKEX Ex "Ec" / UKEX Type "N99
Appendix 2.1 ATEX Ex "Ec" / UKEX Ex "Ec" Instruction of SCU (SSC50/SSC57/SSC60/L1SC70) and FIO Node Unit99
Appendix 2.199
ATEX Ex "Ec" / UKEX Ex "Ec" Instruction of SCU (S2SC70) and N-IO Node Unit105
Appendix 2.2105
ATEX Ex "Ec" / UKEX Ex "Ec" Instruction of N-IO Field Enclosure109
Appendix 2.4 ATEX Type "N" / UKEX Type "N" Information of S2BN4D111
Appendix 2.5 ATEX Ex "Ec"/ UKEX Ex "Ec" Information of S2BN5D112
Appendix 3. Iecex Ex "Ec"/ Iecex Type "N" of S2BN4D / S2BN5D113
Appendix 3.1 Iecex Type "N" Information of S2BN4D113
Appendix 3.1113
Iecex Ex "Ec"/ Intrinsic Safety/Ecas-Ex Ex "Ec" Information of S2BN5D115
Revision Information117

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