Cidra Sonar Process Monitoring System Manual do Utilizador Página 1

SONAR PROCESS MONITORING SYSTEM SUPPLEMENT FOR ATEX CLASS I, ZONE 2 SAFETY

3 ATEX ZONE 2 SPECIAL CONDITIONS OF USE RELATED TO THE SYMBOL “X” These Conditions of Use are those specifically identified by certain clauses in sta

4 STANDARDS See the CE Declaration of Conformity shipped with the sonar process monitoring system for the complete and up-to-date set of directives a

5 CONTROL DRAWINGS The control drawings define how the Zone 2 hardware can be installed into hazardous areas. Refer to the following drawings: Contr

6 SPECIFICATIONS 6.1 Electrical Parameters The mains power connections are made to the transmitter only. There is a DC-powered transmitter (TB8-x

20909-01C Rev 04 Page 6-2 The following signals are not energy-limited for any of the transmitter models. Note: These signals are not present on

20909-01C Rev 04 Page 6-3 The following signals are not energy-limited for any of the transmitter models. Note: These signals are not present on

20909-01C Rev 04 Page 6-4 All of the following signals are energy-limited for the TB8-xx-xx-xx-03 transmitter only. For the TB8-xx-xx-xx-04 Trans

7 OPERATING CONDITIONS UNDER WHICH THIS PRODUCT MAY BE SAFELY USED 7.1 Scope These are the criteria under which it is safe to install the ATEX Zone

rating of the enclosure. Refer to paragraph 8.3.1 for information on the selection of cable glands. 7.3 Installation Site Ambient Temperature, Press

condensation. Care should be taken during commissioning to verify that the electronics do not have accumulated condensed water or frost on them prior

20909-01C Rev 04 Page 7-4 7.7 Chemical Environment The materials used to construct the sonar process monitoring system are resistant to damage fro

8 SUPPLEMENTARY INSTRUCTIONS FOR SAFE ASSEMBLY AND INSTALLATION 8.1 Use Control Drawing, Install Per Code Ensure installation is consistent with the

20909-01C Rev 04 Page 8-2 8.5 Wire Securely to Terminals and Route Neatly Refer to the Process Monitoring System Installation and Startup Manual f

9 SUPPLEMENTARY INSTRUCTIONS FOR SAFELY PUTTING INTO SERVICE 9.1 Prior to Applying Power Perform a final inspection of the installation. Use the in

10 SUPPLEMENTARY INSTRUCTIONS FOR SAFE USE (NORMAL OPERATION WITH NO OPERATOR INTERVENTION) 10.1 Keep Enclosures Closed During Use 10.1.1 Transmitt

20909-01C Rev 04 Page 10-2 10.2.2 Sensor Head Inspections Verify the absence of the following:  Loose or damaged latch hardware  Loose or dama

11 SUPPLEMENTARY INSTRUCTIONS FOR SAFE ADJUSTMENT 11.1 General Note: Making adjustments to the meter usually interrupts normal function of the meter

20909-01C Rev 04 Page 11-2 11.2.4 Use of DB9 RS232 Connector Interface This is a diagnostic interface and intended only for short-term infrequent

12 SUPPLEMENTARY INSTRUCTIONS FOR SAFE MAINTENANCE, SERVICING AND EMERGENCY REPAIR 12.1 General 12.1.1 UOS, OFF And No Explosive Gasses Present All

12.2.4 Sensor Terminal Blocks The Sensor Terminal blocks should be wired with the mains power OFF. This ensures that these signals are all de-powere

Table of Contents 1 SCOPE ...

20909-01C Rev 04 Page 12-3 head cover can be removed from the pipe. Failure to do this will damage the sensor band. 12.3.4.2 Safety Procedure for

13 SUPPLEMENTARY INSTRUCTIONS FOR SAFE DISASSEMBLY OR DISPOSAL 13.1 Most Warnings Same As For Maintenance Most warnings are the same as those in Sup

14 TRAINING Contact CiDRA Customer Support for availability and scheduling of training courses. 20909-01C Rev 04 Page 14-1

15 CONTACT INFORMATION CiDRA Corporate Services 50 Barnes Park North Wallingford, Connecticut USA 06492 Telephone numbers 1-877-243-7277 Toll-free

20909-01C Rev 04 Page A-1 Annex A 20885-01C, CERTIFICATION, CABLE GLAND, ZONE 2

20909-01C Rev 04 Page A-2

20909-01C Rev 04 Page B-1 Annex B 20907-01C, CONTROL DRAWING, SYSTEM, EEX, CLASS I, ZONE 2

20909-01C Rev 04 Page B-2

20909-01C Rev 04 Page C-1 Annex C 20908-01C, CONTROL DRAWING, TRANSMITTER, EEX, CLASS I, ZONE

20909-01C Rev 04 Page C-2

10.1 Keep Enclosures Closed During Use...10-1 10.1.1 Transmitter...

List of Tables Table 1 Control Drawings...

20909-01C Rev 04 Page iv

20909-01C Rev 04 Page 1-1 1 SCOPE This Class I, Zone 2 explosive gas location safety supplement includes the information mandated by EN60079-0:200

2 MARKINGS The following explains the hazardous area markings that can be found on the equipment. 2.1 Transmitter [TB8-xx-xx-xx-03] for use with Sen

The +100 ºC rating relates to the safety aspect only and is intended to include the effects of heating from the pipe on which it is mounted. To achie