Fike CEREX - Table of Contents

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Doc. P/N 8.8517.00.6
Rev. December, 2019
TABLE OF CONTENTS
Section Page No.
1. IDENTIFICATION .......................................................................................................................................................... 4
1.1. General .............................................................................................................................................................. 4
1.2.1. Cerex (D) – Explosion Protection Ceramic Pressure Detector ‘Dust’ ............................................................. 4
1.2.1.1. P/N 2994502301-C-S (FDA approved) .................................................................................................. 4
1.2.1.2. 29945023-C-S (not FDA approved) ....................................................................................................... 5
1.2.2. Cerex (G/D) – Explosion Protection Ceramic Pressure Detector ‘Gas’ .......................................................... 6
1.2.2.1. P/N 2994502201-C-S (FDA approved) and 29945022-C-S (not FDA approved).................................... 6
1.3. Clarification of the Temperature Classes ........................................................................................................... 7
1.3.1. ATEX ............................................................................................................................................................... 7
1.3.2. IECEx .............................................................................................................................................................. 7
1.4. Hazardous Area Information.............................................................................................................................. 7
1.4.1. Cerex (D) – Explosion Protection Ceramic Pressure Detector ‘Dust’ ............................................................. 7
1.4.2. Cerex (G/D) – Explosion Protection Ceramic Pressure Detector ‘Gas’ .......................................................... 7
1.4.3. Conditions for Special Use ............................................................................................................................. 7
1.5. Scope of Supply .................................................................................................................................................. 8
1.6. Dimensions ........................................................................................................................................................ 9
1.7. Technical Specifications ..................................................................................................................................... 9
2. WIRING INSTRUCTIONS ............................................................................................................................................... 9
2.1. Connecting 4-20 mA Output to EPC (P2-1 or P2-2) .......................................................................................... 10
2.1.1. Single Wire Diagram (Schematic) ................................................................................................................ 10
2.1.2. Wiring Diagram ............................................................................................................................................ 10
2.2. Intrinsically Safe Connection to EPC ................................................................................................................ 11
2.2.1. Single Wire Diagram (Schematic) ................................................................................................................ 11
2.2.2. Wiring Diagram ............................................................................................................................................ 11
2.2.3. Intrinsic Safety Calculation .......................................................................................................................... 11
3. OPERATION................................................................................................................................................................ 12
4. MAINTENANCE .......................................................................................................................................................... 12
5. TROUBLESHOOTING .................................................................................................................................................. 13
5.1. General ............................................................................................................................................................ 13
5.2. Routine Inspections ......................................................................................................................................... 13
6. DE-COMMISSIONING PROCEDURE / CHECK-LIST ...................................................................................................... 14
7. MISCELLANEOUS ....................................................................................................................................................... 15
7.1. Certificates and Approvals ............................................................................................................................... 15