KROHNE OPTIWAVE 7300 C Supplementary Instructions Manual
Radar (fmcw) level transmitter for agitated liquids in process applications
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Also See for OPTIWAVE 7300 C:
- Handbook (200 pages) ,
- Quick start manual (36 pages) ,
- Quick start manual (40 pages)
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OPTIWAVE 7300 C
OPTIWAVE 7300 C
OPTIWAVE 7300 C
OPTIWAVE 7300 C
Radar (FMCW) Level Transmitter for agitated liquids in
process applications
Supplementary Instructions for IECEx applications
Supplementary Instructions for IECEx applications
Supplementary Instructions for IECEx applications
Supplementary Instructions for IECEx applications
© KROHNE 07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en
Supplementary instructions
Supplementary instructions
Supplementary instructions
Supplementary instructions
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Summary of Contents for KROHNE OPTIWAVE 7300 C
- Page 1 Radar (FMCW) Level Transmitter for agitated liquids in process applications Supplementary Instructions for IECEx applications Supplementary Instructions for IECEx applications Supplementary Instructions for IECEx applications Supplementary Instructions for IECEx applications © KROHNE 07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en...
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Page 2: Table Of Contents
CONTENTS OPTIWAVE 7300 C 1 General safety information 1.1 Scope of the document..................... 4 1.2 Device description ......................4 1.3 Standards and approvals....................4 1.4 Equipment protection levels (EPL)................... 5 1.4.1 Ex ia-approved devices ......................5 1.4.2 Ex ia/d-, Ex d ia- and Ex ia tb-approved devices ..............6 1.4.3 Definitions of equipment protection levels ................ - Page 3 CONTENTS OPTIWAVE 7300 C 5.4 Returning the device to the manufacturer..............23 5.4.1 General information......................23 5.4.2 Form (for copying) to accompany a returned device............24 6 Notes 07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en www.krohne.com...
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Page 4: General Safety Information
GENERAL SAFETY INFORMATION OPTIWAVE 7300 C 1.1 Scope of the document These instructions are applicable only to the explosion-protection version of the radar level transmitter. For all other data, use the Quick Start and Handbook. If you do not have these documents, please contact the nearest office or download them from the manufacturer's internet site. -
Page 5: Equipment Protection Levels (Epl)
GENERAL SAFETY INFORMATION OPTIWAVE 7300 C 1.4 Equipment protection levels (EPL) 1.4.1 Ex ia-approved devices The Ex ia-approved device has the marking that follows for Gas Groups: PP Drop antenna version • Ex ia IIC T6...T4 Ga All other versions •... -
Page 6: Ex Ia/D-, Ex D Ia- And Ex Ia Tb-Approved Devices
GENERAL SAFETY INFORMATION OPTIWAVE 7300 C 1.4.2 Ex ia/d-, Ex d ia- and Ex ia tb-approved devices The Ex ia/d- and Ex d ia-approved device has the marking that follows for Gas Groups: PP Drop antenna version • Ex ia/d IIC T6...T4 Ga/Gb All other versions •... -
Page 7: Definitions Of Equipment Protection Levels
GENERAL SAFETY INFORMATION OPTIWAVE 7300 C 1.4.3 Definitions of equipment protection levels EPL Ga or Da EPL Ga or Da EPL Ga or Da EPL Ga or Da The device is installed in hazardous areas that must have equipment with a very high level of protection. -
Page 8: Installation
INSTALLATION OPTIWAVE 7300 C 2.1 Special conditions This device can be installed on the applicable auxiliary equipment: a bypass chamber, a stilling well or a communicating pipe. 2.2 Precautions 2.2.1 General notes WARNING! When you install the device, obey the conditions in the IECEx approval certificate. These conditions include: The special conditions for safe use. -
Page 9: Special Conditions
INSTALLATION OPTIWAVE 7300 C Do not install in a location where the electrostatic charge can increase. This includes: • locations near ventilation systems, • locations where there is a risk of an increase in electrostatic charge caused by compressed air and dust, •... -
Page 10: Optional Purging System
INSTALLATION OPTIWAVE 7300 C 2.2.4 Optional purging system The purging system is supplied as an option for devices that have horn antennas. Figure 2-3: Optional purging system 1 ¼ NPTF purging connection (optional) INFORMATION! If delivered with the device, the purging connection is plugged with a ¼... - Page 11 INSTALLATION OPTIWAVE 7300 C WARNING! An explosive atmosphere is a mixture of air and flammable gases, vapour, mist or dust in atmospheric conditions. If you do not use the device in these conditions (T = -20...+60 ° -4...+140 F and p = 0.8...1.1 barg / 11.60...15.95 psig), do an analysis of the risk of ignition.
- Page 12 INSTALLATION OPTIWAVE 7300 C EPL Gb: Ex ia and Ex d ia devices Temperature Ambient temperature Flange temperature class (process Hygienic antennas Drop and horn Drop and horn temperature) antennas antennas with the distance piece [°C] [°F] [°C] [°F] [°C] [°F]...
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Page 13: Maximum Surface Temperature Of The Housing
INSTALLATION OPTIWAVE 7300 C 2.3.2 Maximum surface temperature of the housing EPL Da: Ex ia devices only EPL Da/Db, EPL Db: Ex ia and Ex ia tb devices Max. ambient temperature Max. flange Max. surface temperature temperature Hygienic antennas Drop and horn... -
Page 14: Electrical Connections
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C 3.1 General notes WARNING! • De-energize the circuit. Use the applicable cable glands for the cable entry openings in the housing (M20×1.5, • M25×1.5, NPT or G ). For the cable entry size, refer to the device nameplate. It is not ½... -
Page 15: How To Close The Terminal Compartment
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C Time necessary to de-energize an Ex ia/d-, Ex d ia- or Ex ia tb-approved device Temperature class Time to de-energize an Ex ia/d-, Ex d ia- or Ex ia tb- approved device [minutes] Others Not necessary 3.2.2 How to close the terminal compartment... -
Page 16: Equipotential Bonding System
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C 3.4 Equipotential bonding system Connect the device to the equipotential bonding system for the hazardous location. You can use 2 terminals to connect the device to the equipotential bonding system: • a ground connection in the terminal compartment and •... -
Page 17: Maximum Intrinsically-Safe Values For The Electrical Circuit
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C 3.5.2 Maximum intrinsically-safe values for the electrical circuit INFORMATION! The optional second output is galvanically isolated from the main power supply, output 1 and parts of the device that are grounded. Level transmitter with the 4...20 mA output option (output terminal 1 or 2) •... -
Page 18: Ex Ia/D, Ex D Ia And Ex Ia Tb Equipment
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C 3.6 Ex ia/d, Ex d ia and Ex ia tb equipment 3.6.1 General notes Ex ia/d-, Ex d ia- and Ex ia tb-approved equipment have two separate compartments. The electronics in the electronics block compartment are Ex ia-approved and the terminals compartment is Ex d / Ex t-approved. -
Page 19: Supply Voltage
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C • If you use conduits to connect electrical wires to the terminals in the flameproof terminal compartment, obey the instructions that follow. Make sure that the conduits are correctly attached and the flameproof compartment is sealed. The flameproof joint must have a minimum thread length of 8 mm / 0.32¨. -
Page 20: Electrical Schematic
ELECTRICAL CONNECTIONS OPTIWAVE 7300 C 3.6.4 Electrical schematic CAUTION! Make sure that you connect the load resistor to the positive side. Figure 3-4: Electrical schematic for Ex ia/d-, Ex d ia- and Ex ia tb-approved equipment (with galvanic isolation) Figure 3-5: Electrical schematic for Ex ia/d-, Ex d ia- and Ex ia tb-approved equipment (without galvanic isolation) -
Page 21: Start-Up
START-UP OPTIWAVE 7300 C WARNING! Make sure that it is safe to supply electrical power. Do a start-up check: • Are the wetted components (gasket, flange and antenna) resistant to corrosion by the tank product? • Does the information given on the nameplate agree with the application? •... -
Page 22: Service
SERVICE OPTIWAVE 7300 C 5.1 Periodic maintenance In normal operational conditions, no maintenance is necessary. If it is necessary, maintenance must be done by approved personnel (the manufacturer or personnel approved by the manufacturer). INFORMATION! For more data about regular inspections and maintenance procedures for devices with Ex and other approvals, refer to the related supplementary instructions. - Page 23 SERVICE OPTIWAVE 7300 C 5.4 Returning the device to the manufacturer 5.4.1 General information This device has been carefully manufactured and tested. If installed and operated in accordance with these operating instructions, it will rarely present any problems. CAUTION! Should you nevertheless need to return a device for inspection or repair, please pay strict...
- Page 24 SERVICE OPTIWAVE 7300 C 5.4.2 Form (for copying) to accompany a returned device CAUTION! To avoid any risk for our service personel, this form has to be accessible from outside of the packaging with the returned device. Company: Address: Department: Name: Tel.
- Page 25 NOTES OPTIWAVE 7300 C 07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en www.krohne.com...
- Page 26 NOTES OPTIWAVE 7300 C www.krohne.com 07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en...
- Page 27 NOTES OPTIWAVE 7300 C 07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en www.krohne.com...
- Page 28 • Process Analysis • Services Head Office KROHNE Messtechnik GmbH Ludwig-Krohne-Str. 5 47058 Duisburg (Germany) Tel.: +49 203 301 0 Fax: +49 203 301 10389 info@krohne.com The current list of all KROHNE contacts and addresses can be found at: www.krohne.com...
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