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Electrical connection 

Operating instructions 

CleverLevel switch, LFFS 

M12 plug:  1  Brown 
 

2   White* 

 

3   Blue 

 

4   Black 

*  To avoid unintended Teach-In, be aware not to 
  connect the Teach-In pin or expose it to any    
  electrical noise during normal operation. 

Normally open - NO 

Normally closed - NC 

Electrical specifications: 
Power supply 

12,5...36 VDC, 35 mA max. 

Output 

PNP, NPN or Digital 

 

Max. 50 mA, short-circuit and high 

 

temperature protected 

Active “Low” 

NPN and Digital output  

 

(-VDC +2,5V) ±0,5V, R

load 

1 kΩ 

Active “High” 

PNP and Digital output  

 

(+VDC -2,5V) ±0,5V, R

load 

1 kΩ 

www.baumer.com 

Operating instructions: 11109132 07 EN      Page 7 / 12 

Содержание CleverLevel LFFS Series

Страница 1: ...ption The Level Switch LFFS designed to detect levels in tanks media separation and provide empty pipe detection or dry run protection for pumps By means of the FlexProgrammer 9701 the output can be configured to either NPN PNP or digital output signal A damping of the output signal can be activated in case of a fluctuating media level e g during tank filling The measurement is precise and unaffec...

Страница 2: ...ty is void when installed with other adapters Do not use PTFE fibre or other gaskets The PEEK tip against the stainless steel welding part will perform a hygienic tighten ing provided that the guidelines have been followed Due to the measuring principle it is essential that the sensor tip can see an ample amount of the metal shaft or welding part Dimensions Mounting instructions for sliding connec...

Страница 3: ...ted Cannot be drained WARNING 5 The 3 A mark or the arrow shall be placed upwards 6 Welding should be grinded to Ra 0 8 7 Tighten the instrument in the adapter with a torque of 15 20 Nm If the seal is leaking and the media appears in the leak detection port the seal is to be changed immediately Before reassembly clean the hole and inside of the connection with detergent and sanitising liquid Use a...

Страница 4: ...0 ZPH1 3254 for tank tube DN 50 ZPH1 3255 ZPW2 324 Adapter Welding EH FTL to pipe extrusion G A ZPH1 32BA DN 25 DN50 ZPW2 326 G1A ZPH1 32CB DN 65 DN150 ZPW2 327 VS G A ZPH1 32BC G1A ZPH1 32CD Adapter Adapter industrial Adapter industrial G G1 G G1 ZPI1 32B Sliding connection ZPH1 32C0 G G1 ZPI1 32D G G ZPI1 32A G G2 ZPI1 32E Welding for tank ZPW2 621 Welding for pipe end ZPW2 626 www baumer com Op...

Страница 5: ...ank with a total in sertion length of 130 mm Hence the external length of the sliding connection will be 250 130 120 mm The media temperature will be max 160 C Read the x axis at 120 mm and the y axis at 160 C and find that the ambient temperature must be kept below 60 C In case the radiated heat from the tank will cause a higher ambient temperature at the housing efficient insulation of the tank ...

Страница 6: ...to VDC shortly Light on for 2 seconds Register full state stores the value and returns to Normal operation with new setting NOTE If the media is sticky foamy powdery or in other ways leaving parts of the media at the sensor tip this situation has to be estab lished also during the Teach In process Otherwise a faulty calibration can be the result If Teach In for some reason do not succeed the Cleve...

Страница 7: ...uring normal operation Normally open NO Normally closed NC Electrical specifications Power supply 12 5 36 VDC 35 mA max Output PNP NPN or Digital Max 50 mA short circuit and high temperature protected Active Low NPN and Digital output VDC 2 5V 0 5V Rload 1 kΩ Active High PNP and Digital output VDC 2 5V 0 5V Rload 1 kΩ 1 2 5 1 2 5 1 2 5 1 2 5 1 2 5 1 2 5 www baumer com Operating instructions 111091...

Страница 8: ... 40 60 C 95 C 1 40 40 C 115 C 1 100 mm 40 85 C 85 C Sliding connection 40 60 C 155 C 1 40 40 C 175 C 1 250 mm 40 85 C 85 C Sliding connection 40 60 C 195 C 1 40 40 C 200 C 1 Conditions for Ex certification 1 Provided that the sensor tip at the instru ment is the only part in contact with the media ATEX Gas ia LFFS 1xx x with PNP output Safe area 22 120 VDC or 90 253 VAC Note For PNP output the bar...

Страница 9: ...ives The product must be installed in accordance with prevailing guidelines for zone 2 without a barrier Ex data Supply range VDC 12 5 30 Load I 0 1 A Temperature class T1 T5 Pls see table top page 8 The FlexProgrammer 9701 configuring unit must not be connected to the CleverLevel Switch LFFS within the hazardous area Configuring procedure a Disconnect mains from the 4 20 mA loop circuit b Disconn...

Страница 10: ...WHG leakage approval overfill approval Operating instructions CleverLevel switch LFFS www baumer com Operating instructions 11109132 07 EN Page 10 12 ...

Страница 11: ...Operating instructions CleverLevel switch LFFS www baumer com Operating instructions 11109132 07 EN Page 11 12 WHG leakage and overfill protection approval ...

Страница 12: ...www baumer com Operating instructions 11109132 07 EN Page 12 12 For further information please refer to www baumer com ...

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