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Operating instructions 

Binary level sensor

LI51

704367 / 02

 

 

02 / 2013

UK

 

Tel: 

+44

  

(0)191 490 1547 

Fax: 

+44

 

(0)191 477 5371

 

Email: 

[email protected]

  

Website: 

www.heattracing.co.uk 

                  www.thorneanderrick.co.uk

 

Содержание efector160 LI51

Страница 1: ...ting instructions Binary level sensor LI51 704367 02 02 2013 UK Tel 44 0 191 490 1547 Fax 44 0 191 477 5371 Email northernsales thorneandderrick co uk Website www heattracing co uk www thorneanderrick co uk ...

Страница 2: ...mples 6 5 Installation 6 5 1 Installation location environment 6 5 2 Installation procedure 7 5 3 Set the installation length 8 6 Electrical connection 9 7 Operating and display elements 9 8 Settings 10 8 1 Carry out the basic teach empty state 10 8 2 Carry out the basic teach full state 10 8 3 Set the deposit suppression option 11 8 4 Lock unlock the unit 11 9 Operation 11 10 Maintenance repair a...

Страница 3: ...that the product is suitable for your application without any restrictions If the operating instructions or the technical data are not adhered to personal injury and or damage to property can occur Installation electrical connection set up operation and maintenance of the unit must only be carried out by qualified personnel authorised by the machine operator The unit conforms to the standard EN 61...

Страница 4: ...ic tube order no E43100 E43103 Maximum tank pressure 0 5 bar when mounted using the appropriate mount ing accessories chapter 5 2 Installation procedure 4 Function 4 1 Measuring principle The unit operates to the capacitive measuring principle By direct contact with the medium the unit detects whether the requested level limit level is reached and indicates this by a switched signal The dielectric...

Страница 5: ... the level has not been reached NC function output open when the level has been reached output closed when the level has not been reached Automatic adjustment function to the medium to be detected by programming buttons chapter 8 Settings This allows reliable detection of media with a low dielectric constant e g oil Level selectable by the installation length 5 3 The unit is virtually immune to bu...

Страница 6: ...tic tanks mount the unit in the middle of the tank where possible Distance between several LI51 units depending on medium and application Guide values for standard applications distance from the centre of a probe to the centre of another probe Water coolant emulsion in a grounded metal tank 40 mm Oils in a grounded metal tank 100 mm Water aqueous media and oils in an ungrounded plastic tank 200 mm...

Страница 7: ...on pressurised tanks E43016 flange plate with clamp adapter pressure rating of 0 5 bar E43001 welding adapter with clamp adapter pressure rating of 0 5 bar E43002 mounting adapter G with clamp adapter stainless steel pressure rating of 0 5 bar E43003 mounting adapter G1 with clamp adapter stainless steel pressure rating of 0 5 bar E43004 mounting adapter G with clamp adapter brass pressure rating ...

Страница 8: ...installation depth active zone 31 mm Select the installation length L1 so that at least half the MET zone is covered when the response level A has been reached that is L1 H A MET SH The unit switches when the level reaches the MET zone The exact position exact response level depends on the following factors characteristics of the medium installation conditions adjustment of the unit chapter 8 Sett...

Страница 9: ...dhered to Voltage supply to EN 50178 SELV PELV Disconnect power Connect the unit as follows core colours of ifm sockets 1 BN brown 3 BU blue 4 BK black The unit can be used as NO or NC unit chapter 8 Settings 7 Operating and display elements 1 LED ring green yellow green operation display yellow switching status indication 2 programming button OUT OFF 3 programming button OUT ON ...

Страница 10: ...UT ON instead of OUT OFF After releasing the pushbutton the yellow LED lights continuously 8 2 Carry out the basic teach full state The empty adjustment is sufficient for media with a low dielectric constant e g oils For aqueous media the sensitivity must be optimised by a full adjustment The full adjustment does not change the settings of the empty adjustment Fill the tank until the active zone o...

Страница 11: ...easing the pushbutton the yellow LED lights continuously 8 4 Lock unlock the unit The unit can be locked electronically to prevent unintentional settings Press both setting pushbuttons simultaneously for at least 10 s in the operating mode The yellow LED temporarily changes its status If it lights at the beginning of the setting operation it goes out for a few seconds If is does not light in the b...

Страница 12: ...d be carried out It is not possible to repair the unit After use dispose of the unit in an environmentally friendly way in accordance with the applicable national regulations 11 Technical data and scale drawing Technical data and scale drawing at www ifm com Data sheet search Enter the article number More information at www ifm com Tel 44 0 191 490 1547 Fax 44 0 191 477 5371 Email northernsales th...

Страница 13: ...13 UK ...

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