wtw IFL 700 IQ Operating Manual Download Page 9

IFL 70x IQ

Safety instructions

2 - 1

ba75990e01

10/2012

2

Safety instructions

2.1

Safety information

2.1.1 Safety information in the operating manual

This operating manual provides important information on the safe oper-
ation of the product. Read this operating manual thoroughly and make 
yourself familiar with the product before putting it into operation or 
working with it. The operating manual must be kept in the vicinity of the 
meter so you can always find the information you need.

Important safety instructions are highlighted in this operating manual. 
They are indicated by the warning symbol (triangle) in the left column. 
The signal word (e.g. "CAUTION") indicates the danger level:

WARNING

indicates a possibly dangerous situation that can lead to serious 
(irreversible) injury or death if the safety instruction is not fol-
lowed.

CAUTION

indicates a possibly dangerous situation that can lead to slight 
(reversible) injury if the safety instruction is not followed.

NOTE

indicates a situation where goods might be damaged if the actions 
mentioned are not taken

.

2.1.2 Safety signs on the product

Note all labels, information signs and safety symbols on the product. A 
warning symbol (triangle) without text refers to safety information in this 
operating manual.

2.1.3 Further documents providing safety information

The following documents provide additional information, which you 
should observe for your safety when working with the measuring sys-
tem:

Operating manuals of other components of the IQ S

ENSOR

N

ET

 sys-

tem (power packs, controller, accessories)

Safety datasheets of calibration and maintenance equipment (e.g. 
cleaning solutions).

Summary of Contents for IFL 700 IQ

Page 1: ...ba75990e01 10 2012 IFL 700 IQ IFL 701 IQ Operating manual IQ SENSOR NET Sludge level sensor IFL 700 IQ...

Page 2: ...im 2012 WTW GmbH Reproduction in whole or even in part is prohibited without the express written permission of WTW GmbH Weilheim Printed in Germany The latest version of the present operating manual i...

Page 3: ...nauthorized use 2 2 3 Commissioning 3 1 3 1 IQ SENSOR NET system requirements 3 1 3 2 Scope of delivery 3 1 3 3 Installation 3 1 3 3 1 General information 3 1 3 3 2 General installation conditions 3 2...

Page 4: ...ical data 7 1 7 1 Measurement characteristics 7 1 7 2 Application characteristics 7 1 7 3 General data 7 2 7 4 Electrical data 7 3 8 Indexes 8 1 8 1 Explanation of the messages 8 1 8 1 1 Error message...

Page 5: ...nual has a modular structure like the IQ SENSOR NET system itself It consists of a system operating manual and the operating manuals of all the components used Please file this component operating man...

Page 6: ...ic waves transmitted by the ultrasonic transducer are totally or partly reflected by layers at which the density of the measuring medium changes e g sludge blanket bottom of the basin and then receive...

Page 7: ...in waste water treatment 1 Transmitted ultrasonic waves 2 Echo reflected by the sludge blanket short reflection interval 3 Echo reflected by the bottom area long reflection interval Sludge blanket lev...

Page 8: ...Overview IFL 70x IQ 1 4 ba75990e01 10 2012...

Page 9: ...ngerous situation that can lead to serious irreversible injury or death if the safety instruction is not fol lowed CAUTION indicates a possibly dangerous situation that can lead to slight reversible i...

Page 10: ...quirements for safe operation Note the following points for safe operation The product may only be operated according to the authorized use specified above The product may only be supplied with power...

Page 11: ...eneral information NOTE Sharp objects can damage the ultrasonic transducer Please be care ful especially when handling sharp tools when cleaning and during transport NOTE only IFL 700 IQ If the sensor...

Page 12: ...mersion depth 0 1 m Water depth Sludge level Depth of the sludge level Height of the sludge level Vertical installation Wall Bottom of the basin Immersion depth Dead zone 0 4 m Measurement cone approx...

Page 13: ...lled fixtures in the vicinity of the measuring cone reflect the ultrasonic waves transmitted and thus cause interfering echoes If there are permanently installed fixtures in the expectation range of t...

Page 14: ...SACIQ or SACIQ SW type is required to connect the sensor The cable is available in different lengths Com pared to the SACIQ standard model the SACIQ SW sensor connection cable is optimized concerning...

Page 15: ...n its leg supports on a flat surface with the ultrasonic transducer pointing downward Fig 3 2 Connecting the sensor 2 Plug the socket of the SACIQ SW sensor connection cable onto the plug head connect...

Page 16: ...o profile and certain special menus 4 Open the Sensor settings menu 5 Adjust the following settings for the measuring location Sensor settings Immersion depth Extended settings Temperature average wat...

Page 17: ...e g measured value too high too low or too fluctu ating there are further settings filters and functions avail able with which you can optimize the evaluation of the echo profile to meet your requirem...

Page 18: ...Commissioning IFL 70x IQ 3 8 ba75990e01 10 2012 Fig 3 4 Measured value display with main and secondary measured value 1 Measured value 2 Number of echoes found 1 2...

Page 19: ...ngs menu Default values are marked in bold Setting Selection values Explanation Measuring mode Details see Fig 3 1 in section 3 3 2 Sludge level height Position of the sludge blanket level in rela tio...

Page 20: ...ed value is equivalent to the point where the intensity of the echo reaches the adjusted relative threshold The value relates to the maximum of the echo intensity 100 Maximum gradient The measured val...

Page 21: ...avoid taking the bottom echo as the sludge echo the Water depth and or Eval uation range setting should be adjusted in such a way that the bottom echo is not taken into account Follow echo On Off Fil...

Page 22: ...cts the speed of sound in the measuring medium This effect can be taken into account by enter ing the temperature value Enter the average water temperature at the average water depth of the basin If t...

Page 23: ...n range is dis played Zoom range Begin End The display on the screen is limited to the section set here Y axis intensity Auto The strongest echo is displayed with the complete intensity Zoom range Beg...

Page 24: ...Commissioning IFL 70x IQ 3 14 ba75990e01 10 2012...

Page 25: ...nsor settings Immersion depth Water depth Temperature The distance between the ultrasonic transducer and the sludge level is too small dead zone see also section 3 3 3 Moving fixtures cross the measur...

Page 26: ...Measuring IFL 70x IQ 4 2 ba75990e01 10 2012...

Page 27: ...g unexpectedly Prior to cleaning the sensor activate the maintenance condition Thus the wiper is switched off With normal operation e g municipal wastewater we recommend cleaning the sensor in the fol...

Page 28: ...e sensor particularly in the area of the plug connection brush it off in a bucket of tap water wash it off with a hose or wipe it off with a cloth Unscrew the sensor from the SACIQ SW sensor con necti...

Page 29: ...sensor out of the sample 3 Get rid of any coarse impurities on the sensor brush it off in a bucket of tap water wash it down with a hose or wash it off with a cloth 4 Clean the sensor shaft and the s...

Page 30: ...Maintenance cleaning accessories IFL 70x IQ 5 4 ba75990e01 10 2012...

Page 31: ...ucer Select a measurement location free of air bubbles Sensor is dirty Clean the sensor and or its environment Check the function of the wiper see section 3 5 Thread algae floating in front of the sen...

Page 32: ...es that continually generate interfering echoes Select a measurement loca tion without permanent inter fering echoes If necessary limit the Evalu ation range so that any per manent interfering echoes...

Page 33: ...trated sludge blanket Check Echo selection Top most echo or Strongest echo Follow echo change setting to Yes Set the Evaluation range to the range expected for the sludge level Cause Remedy Temporary...

Page 34: ...What to do if IFL 70x IQ 6 4 ba75990e01 10 2012...

Page 35: ...e of the measuring medium 4 12 Pressure resistance Sensor with connected SACIQ SW sensor connection cable Type of protection Sensor with connected SACIQ SW sensor connection cable IP X8 0 3 bar 3 105...

Page 36: ...aintenance free Instrument safety 60 105 Marking for immersion depth 100 mm 442 255 533 IFL 700 IQ 3 9 kg IFL 701 IQ 3 7 kg Shaft and enclosure V4A stainless steel 1 4571 POM Base plate V4A stainless...

Page 37: ...s see chapter TECHNICAL DATA of the IQ SENSOR NET system operating manual Power consumption IFL 700 IQ 5 5 W maximum power consumption 3 0 W average power consumption If the sensor is supplied with po...

Page 38: ...Technical data IFL 70x IQ 7 4 ba75990e01 10 2012...

Page 39: ...Module code Component 3C1 IFL 700 IQ 3C2 IFL 701 IQ Message code Message text EI13Cx Operational voltage too low Check installation and cable lengths Follow installation instructions Power supply modu...

Page 40: ...Indexes IFL 70x IQ 8 2 ba75990e01 10 2012 8 1 2 Info messages The sensor does not generate any info messages...

Page 41: ...us info via a manual query in the Setup Serviceinfo List of all components menu see system operating manual by an automated query of a superordinate process control e g when connected to the Profibus...

Page 42: ...Indexes IFL 70x IQ 8 4 ba75990e01 10 2012...

Page 43: ......

Page 44: ...Wissenschaftlich Technische Werkst tten GmbH Dr Karl Slevogt Stra e 1 D 82362 Weilheim Germany Tel 49 0 881 183 0 49 0 881 183 100 Fax 49 0 881 183 420 E Mail Info WTW com Internet http www WTW com...

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