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13.3.2 Definition "from the bottom"

Response level (z) of the overflow prevention OP from the tank bottom is defined.
• Without offset ([OFS] = [0]): [OP] = z - u
• With offset ([OFS] = u):

[OP] = z

Example:

z = 18.0 cm (from the tank bottom), u = 1.0 cm

Without offset: [OP] = 18.0 cm - 1.0 cm = 17.0 cm

With offset: [OP] = 18.0 cm

Round the calculated value to the next lower adjustable value

(→ 12.2)

13.4 Setting ranges [SPx] / [FHx] and [rPx] / [FLx]

Table

12-3

LKx022

LKx023

LKx024

[cm]

[inch]

[cm]

[inch]

[cm]

[inch]

[SPx] / [FHx]

2.5...20.0 1.0...7.8 3.5...39.0 1.4...15.4

6...59

2.5...23.5

[rPx] / [FLx]

2.0...19.5 0.8...7.6 3.0...38.5 1.2...15.2

5...58

2.0...23.0

Step increment

0.5

0.2

0.5

0.2

0.5

The values apply if [OFS] = [0].

If [OFS] > [0], they increase by the set offset value.

14 Maintenance / cleaning / change of medium

When removing or installing the unit for maintenance and cleaning:

►

Make sure that the stainless steel tube clip is fixed to the sensor.

> It must be possible to exactly reproduce the installation height and position!

►

Remove the sensor and clean it / carry out maintenance

►

Install sensor exactly in the same position as before.

►

Otherwise check the parameter [OP] and carry out [cOP] once again.

Содержание LK 022 Series

Страница 1: ...Operating instructions Electronic level sensor LK10xx LK70xx UK 80264293 01 11 2018...

Страница 2: ...5 2 4 Offset for indicating the real level in the tank 11 5 2 5 Defined state in case of a fault 11 5 2 6 IO Link function 11 6 Installation 12 6 1 Installation instructions for operation with overfl...

Страница 3: ...ault FOUx 25 10 3 8 Configure display diS 25 10 3 9 Reset all parameters to factory settings rES 25 11 Notes on parameter setting via IO Link 26 12 Operation 27 12 1 Operation indication 27 12 2 Read...

Страница 4: ...nctions and features Only use the product for permissible media Technical data If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occu...

Страница 5: ...s highly conductive and adhesive media e g glue shampoo granulates bulk material use in grinders increased risk of formation of deposits It is possible that foam of good conductivity is detected as le...

Страница 6: ...l unit Observe the distances x u and c x min 4 0 cm u min 1 0 cm c max 14 0 cm Ground sensor and tank via an electrical connec tion 7 Observe the parameter setting sequence MEdI OIL 2 10 2 3 OFS u e g...

Страница 7: ...e the maximum permitted level b A distance a2 greater than 5 0 cm has to be observed between maximum level b and mounting element Observe the parameter setting sequence MEdI Auto 10 2 3 OFS u e g u 1...

Страница 8: ...ive measuring range of the sensor probe is composed of 16 capacitive measuring segments They generate measurement signals depending on the degree of coverage Fig 5 1 A I I E I inactive zone A active z...

Страница 9: ...5 2 2 Notes on integrated overflow prevention With the parameter OP OP overflow prevention one of the upper measuring segments is defined as integrated overflow prevention OP If the overflow preventio...

Страница 10: ...is defined by parameter setting The set unit of measurement and the switching status of the outputs are indicated by LEDs The unit signals via two switching outputs OUT1 OUT2 that a set limit has been...

Страница 11: ...ter however is correctly transmitted via IO Link and can therefore be taken into account More information 5 2 6 5 2 5 Defined state in case of a fault In case of a fault a state can be defined for eac...

Страница 12: ...re and software can be found at www ifm com 6 Installation Fig 6 1 OP c L M c probe length zone for mounting elements maximum outside length u y OP B minimum distances overflow prevention metal object...

Страница 13: ...e the notes on the integrated overflow prevention OP The overflow prevention OP must 1 be below the mounting element 2 be set at a minimum distance y to it The minimum distance is measured between the...

Страница 14: ...xceed I1 see Table 6 3 Ensure that the maximum level b1 is not exceeded after completed installation see Table6 3 Observe further minimum distances according to Table 6 4 Fig 6 2 A I1 c I2 b1 a1 x u I...

Страница 15: ...lation b2 L c a2 without offset Observe further minimum distances according to Table 6 4 Fig 6 3 c b2 L u a2 x c outside length max outside length Table 6 1 a2 minimum distance between mounting elemen...

Страница 16: ...12 0 cm 4 8 inches Install sensor in the centre For mounting in metal pipes the inside pipe diameter d must be at least Table 6 5 MEdI CLW 1 MEdI CLW 2 OIL 1 MEdI OIL 2 Auto cm inch cm inch cm inch d...

Страница 17: ...k OUT2 switching output Colours to DIN EN 60947 5 2 Example circuits 2 x pnp 2 x npn L L 3 4 2 1 BU BK WH BN 2 OUT2 4 OUT1 L L 3 4 2 1 BU BK WH BN 2 OUT2 4 OUT1 For reliable function the sensor housin...

Страница 18: ...switched LED 8 switching status OUT1 on if output 1 is switched 9 Mode Enter button selection of the parameters and acknowledgement of the parameter values 10 Set button setting of the parameter value...

Страница 19: ...onE S S S S S S M M rES S M M M M M M M M S ou1 Hno 0 0 ou2 dS1 dr1 0 0 S S S M Hnc M M dS2 0 0 S M M M M M uni P n M M dr2 0 0 S S S S M M M OFS S M M M S 0 FOU1 OFF M S FOU2 OFF diS On cm PnP M S M...

Страница 20: ...n with step 1 Finishing the parameter setting Wait for 30 s or press and hold Mode Enter The current measured value is displayed Release Mode Enter The parameter setting is finished Decrease the value...

Страница 21: ...f the measuring probe can be entered as offset value 5 2 4 Set OFS before entering the values for SPx rPx or OP This avoids unintentional wrong settings Select OFS Set the value for the offset Note th...

Страница 22: ...value SPx FHx after setting SPx FHx If OP is increased SPx FHx also increases if OP and SPx FHx are close together 1 x step increment If the overflow prevention is deactivated OP OFF or MedI Auto the...

Страница 23: ...tion of the overflow prevention OP can be determined by calling up the parameter OP Note the offset if necessary The current level is to be determined manually since the unit is not yet ready for oper...

Страница 24: ...rPx and set the value at which the output is reset rP1 rP2 rPx is always smaller than SPx The unit only accepts values which are lower than the value for SPx If SPx is shifted rPx also shifts provide...

Страница 25: ...ardware signal quality too low Overflow is not considered to be a fault 12 3 10 3 8 Configure display diS Select diS and set value diS On The display is switched on in the operating mode Update of the...

Страница 26: ...e the value 208 to the IO Link index 2 length 1 byte The OP adjustment is not part of the data storage Therefore a simple replacement e g in case of a unit failure is only possible with reservations O...

Страница 27: ...ately The overflow prevention OP is reached overflow warning or the level is above the active zone Adjustment cOP of the overflow prevention OP necessary Loc Unit locked via buttons parameter setting...

Страница 28: ...vel if possible Clean the probe Observe the notes on installation Correct the position of the overflow prevention OP Repeat the adjustment Deactivate OP 5 2 2 SC1 LED 8 SC2 LED 7 Flashing short circui...

Страница 29: ...3 2 Setting values OP Table 12 2 OPx LKx022 LKx023 LKx024 cm inch cm inch cm inch 20 4 8 0 40 7 16 0 61 23 9 19 1 7 5 38 3 15 1 57 22 4 17 9 7 1 35 8 14 1 53 21 0 16 7 6 6 33 4 13 1 50 19 5 15 5 6 1 3...

Страница 30: ...6 1 The following applies Fig 12 1 B c L u and B z y B tank height c outside length maximum 6 y required response level OP from the cover minimum 6 1 maximum 13 2 L probe length u distance between pro...

Страница 31: ...SPx FHx 2 5 20 0 1 0 7 8 3 5 39 0 1 4 15 4 6 59 2 5 23 5 rPx FLx 2 0 19 5 0 8 7 6 3 0 38 5 1 2 15 2 5 58 2 0 23 0 Step increment 0 5 0 2 0 5 0 2 1 0 5 The values apply if OFS 0 If OFS 0 they increase...

Страница 32: ...erations e g water jet cleaning of the sensor probe if the sensor was removed from the tank and then installed again during operation if the active zone of the sensor was touched with the hand or grou...

Страница 33: ...LKx023 LKx024 SP1 10 0 19 5 29 rP1 9 5 19 0 28 SP2 20 0 39 0 59 rP2 19 5 38 5 58 OP 20 4 40 7 61 MEdI LK10xx CLW 1 LK70xx Auto cOP rES ou1 Hno ou2 Hnc dS1 0 0 dr1 0 0 dS2 0 0 dr2 0 0 uni cm P n PnP OF...

Страница 34: ...arm ou2 hysteresis function normally open Hno XX X display value A early warning B alarm If the level is below rP1 output 1 switches until liquid is refilled If SP1 is reached again output 1 switches...

Страница 35: ...suppress wave movements ou2 hysteresis function normally closed Hnc OP overflow prevention XX X display value A empty B overfill prevention If SP1 is exceeded output 1 switches submersible pump ON If...

Страница 36: ...function normally open Fno FH2 SP1 rP1 FL2 XX X display value A refill B min monitoring C max monitoring If the level is below rP1 output 1 switches until liquid is refilled If SP1 is reached again ou...

Страница 37: ...37 UK More information at www ifm com...

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