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IFM Electronic LR8300, Operating Instructions Manual, Page: 34 / 37

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IFM Electronic LR8300 Operating Instructions Manual Download Page 34

34

14.2  Storage tank

Level control and min / max monitoring with 4 switching outputs�
Replaces 4 float switches�

Configuration of the switching outputs 1 ��� 4 (bin = OFF)
SP1

Maximum value exceeded → alarm.

OU1

Hysteresis function, normally closed (Hnc)�

SP2

Upper preset value reached → finish refilling.

OU2

Hysteresis function, normally open (Hno)�

SP3

Below lower preset value → start refilling.

OU3

Hysteresis function, normally closed (Hnc)�

SP4

Below min. value → alarm.

OU4

Hysteresis function, normally open (Hno)�

rP1���

rP4

Each slightly below SPx to suppress wave movements (factory setting)�

t

L

SP1

SP2

1

0

OUT1

Hnc

1

0

OUT2

Hno

SP3

SP4

1

0

OUT3

Hnc

1

0

OUT4

Hno

OFS

XX.X

XX�X = display value

Summary of Contents for LR8300

Page 1: ...Operating instructions Electronic level sensor LR8300 UK 80287801 00 01 2022...

Page 2: ...e state 9 5 2 7 Binary mode 10 5 3 IO Link 11 6 Installation 11 6 1 Installation location environment 11 6 2 Installation of the probe 14 6 3 Shortening of the probe 15 6 4 Installation of the unit 15...

Page 3: ...ff delay 28 10 6 5 Response of the outputs in case of a fault 28 10 6 6 Setting of the delay time after signal loss 28 10 7 Reset all parameters to factory setting 28 10 8 Changing the probe length 29...

Page 4: ...s for the operator the user and if applicable for any service personnel authorised by the manufacturer of the system Read this document before setting up the product and keep it during the entire serv...

Page 5: ...ding to the current state of science the operation of the unit can be classified to be harmless to human health 3 Items supplied Level sensor LR8300 Operating instructions In addition the following is...

Page 6: ...tal tanks with plastic lids a sufficiently large fixing plate a metal plate or similar must be used 6 4 3 6 4 4 Furthermore minimum distances to tank walls objects in the tank bottom of the tank and f...

Page 7: ...stic tanks deterioration caused by electromagnetic interference may occur noise immunity to EN61000 6 2 Corrective measures 6 4 2 When operating with a single probe and small tanks probe lengths short...

Page 8: ...alue of the measuring range Factory setting inch The display unit is defined by programming 10 3 In the Run mode it can be temporarily switched between length indication cm inch and percentage Briefly...

Page 9: ...adapt to the tank height each probe can be shortened The minimum probe length is 10 cm the maximum probe length is 160 cm Probe and housing can be rotated without restriction This enables easy install...

Page 10: ...vel as a 8 4 2 1 binary code Thus a quasi analogue evaluation with a resolution of 15 steps about 6 6 of the active zone A is available Below the probe and in the zone I2 the word 0000 is output step...

Page 11: ...evice specific information You will find the IODDs necessary for the configuration of the IO Link unit and detailed information about process data structure diagnostic information and parameter addres...

Page 12: ...nce to the tank wall or structures in the tank 70 100 cm 100 mm 100 160 cm 180 mm If the medium is strongly polluted there is the risk that a bridge forms between the rod and the tank wall or structur...

Page 13: ...the rod 50 mm higher for probe lengths 70 cm and in case of heavy soiling Fig 6 3 Fig 6 4 50mm A To avoid incorrect measurements in case of heavy foam formation and turbulence if possible install the...

Page 14: ...perforated sheets or the like are used soiling e g by metal swarf particles can also be avoided Fig 6 5 d d A B C D 6 2 Installation of the probe The rod is not included in the scope of supply It has...

Page 15: ...measurement errors can occur Proceed as follows Screw the rod to the unit Mark the desired length L on the rod The reference point is the lower edge of the process connection Remove the rod from the...

Page 16: ...f the process connection should be flush with the installation environment fig 6 6 Avoid non flush installation fig 6 7 The height can be slightly corrected by means of appropriate sealing material e...

Page 17: ...tank is under pressure Tighten the fixing screws sufficiently Screw the unit into the flange plate using the process connection and tighten firmly The height can be slightly corrected by means of appr...

Page 18: ...launching plate R must be used which sufficiently covers the drill hole accessories Ensure the minimum distance 80 mm between rod and tank wall higher for probe lengths 70 cm and in case of heavy soi...

Page 19: ...ction Core colours for ifm sockets for sockets according to DIN 47100 1 L brown white 2 OUT2 switching output 2 white brown 3 L blue green 4 OUT1 IO Link black yellow 5 OUT3 switching output 3 grey gr...

Page 20: ...LED 6 yellow output 3 is switched LED 7 yellow output 2 is switched LED 8 yellow output 1 is switched 9 Alphanumeric display 4 digits Indication of the current level Operation and fault indication In...

Page 21: ...structure switching mode bin OFF M M S M S M M S M S M M S M M S M M S M M S M M S M M S M M S M M S M M S M M M S cm inch S S 30s M S M M M S M M S M M S M M S M M S M M S M M S M M S M M M S M S M...

Page 22: ...22 9 2 Menu structure binary mode bin on M M S M M S M M S M M S M M S M M S M M S M cm inch S S 30s S M M M S M M S M M S M M S...

Page 23: ...n for OUTx Switching signal for the level limit values hysteresis function H or window function F either normally open no or normally closed nc OFS Offset value for level measurement EF Extended funct...

Page 24: ...s setting value is changed incrementally by pressing the button once or continuously by keeping the button pressed Numerical values are incremented continuously For reducing the value let the display...

Page 25: ...ent unintentional settings Make sure that the unit is in the normal operating mode Press Mode Enter Set for 10 s Loc is displayed During operation Loc is briefly displayed if you try to change paramet...

Page 26: ...pened The parameter LEnG can be accessed and modified just like all other parameters 10 3 Configuration of the display Select Uni and set the unit of measurement cm inch Factory setting inch Select SE...

Page 27: ...f the upper switch point is used as an overflow protection the setting OUx Hnc NC function is recommended The principle of normally closed operation ensures that wire break or cable break is also dete...

Page 28: ...tput switches OFF in case of a fault Factory setting FOU1 FOU4 OFF Faults faulty hardware too low a signal quality untypical level curve Overflow is not considered to be a fault 10 6 6 Setting of the...

Page 29: ...D 5 LED 8 Switching status of the corresponding output Level below the active zone FULL numerical value alternately Level has reached or exceeded the maximum measuring range overflow warning On delive...

Page 30: ...ion or strong turbulence Install the unit in a still pipe or bypass Set or increment dFo 10 6 6 Measurement disturbed by separation layers e g oil layer on water Remove the oil layer by suction stir t...

Page 31: ...nt 0 5 0 2 The setting ranges for the switching limits SPx rPx FHx FLx depend on the probe length L In general the following applies cm inch min max min max SPx FHx 1 5 L 3 0 6 L 1 2 rPx FLx 1 0 L 3 5...

Page 32: ...ies In case of heavy soiling clean the process connection and the probe at regular intervals In case of longer operation separation layers can form in the medium e g oil on water This applies especial...

Page 33: ...0 OUT1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 P1 P2 P3 P4 XX X display value A binary value P1 position 1 e g maximum value reached P2 position 2 e g upper preset value reached P3 position 3 e g lower preset...

Page 34: ...sed Hnc SP2 Upper preset value reached finish refilling OU2 Hysteresis function normally open Hno SP3 Below lower preset value start refilling OU3 Hysteresis function normally closed Hnc SP4 Below min...

Page 35: ...el is below SP4 or if there is a wire break output 4 switches OFF alarm message below min value wire break 14 3 Pumping station Empty the tank overflow protection with 3 switching outputs Replaces 3 f...

Page 36: ...there is a wire break output 1 switches OFF alarm message overflow wire break If the level exceeds SP2 output 2 switches upper value exceeded submersible pump ON If the level is below SP3 output 3 swi...

Page 37: ...U4 Hnc OFS 0 0 dr1 0 0 dr2 0 0 dr3 0 0 dr4 0 0 FOU1 OFF FOU2 OFF FOU3 OFF FOU4 OFF dFo 0 Uni inch SELd L LEnG nonE bin OFF SP FHmax LEnG value in inch minus 1 2 rP FLmax LEnG value in inch minus 1 4 W...

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