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11.2 Deviation between process value and level

Description

Troubleshooting

The level indicated is too

low, although the level is

within the measuring range

►

Check whether the event [Signal fault] is provided, if

applicable, carry out the instructions in

(→ 11.3.1)

�

►

Check whether the event [Plausibility error] is provided, if

applicable, follow the instructions in

(→ 11.3.2)

�

►

Fill the tank until at least one electrode of the measuring

range is completely covered�

►

Read the parameter [Index of level edge]

(→ 10.4)

�

Further procedure:

→ 11.2.1 Evaluate the index of the

level edge�

The process value is in the

measuring range although

the tank is empty�

►

Check whether the event [Signal fault] is provided, if

applicable, carry out the instructions in

(→ 11.3.1)

�

►

Check whether the event [Plausibility error] is provided, if

applicable, carry out the instructions in

(→ 11.3.2)

�

►

Carry out an empty and full adjustment

(→ 8.1.4)

�

If only an empty adjustment is possible:

►

Fill the tank until at least one electrode of the measuring

range is completely covered�

►

Read the parameter [Signal strength]

(→ 10.2.3)

�

►

Calculate the minimum recognition threshold (signal

strength x 14).

►

Write the determined value to parameter [Minimum

recognition threshold]

(→ 10.2.1)

�

The process value is in the

measuring range although

the tank is full�

►

Check whether the event [Signal fault] is provided, if

applicable, carry out the instructions in

(→ 11.3.1)

�

►

Check whether the event [Plausibility error] is provided, if

applicable, carry out the instructions in

(→ 11.3.2)

�

►

Carry out an empty and full adjustment

(→ 8.1.4)

�

If only a full adjustment is possible:

►

Empty the tank until at least one electrode of the

measuring range is completely uncovered�

►

Read the parameter [Signal strength]

(→ 10.2.3)

�

►

Calculate the minimum recognition threshold (signal

strength x 14).

►

Write the determined value to parameter [Minimum

recognition threshold]

(→ 10.2.1)

�

Summary of Contents for KQ10 Series

Page 1: ...Operating instructions Capacitive level sensor KQ10xx UK 80281961 00 02 2020...

Page 2: ...level edge 10 5 6 2 Signal strength referred to the dynamic range 11 5 6 3 Filling edge sharpness 12 5 6 4 Installation quality 12 5 7 Internal temperature 12 5 8 Switching cycles counters 13 5 9 Oper...

Page 3: ...25 10 2 4 Configuration of the switching outputs 26 10 2 5 Other parameters 26 10 3 Commands 27 10 3 1 Adjustment of the sensor 27 10 3 2 Setting of the switch points 27 10 3 3 Other commands 28 10 4...

Page 4: ...d normative requirements to be provided to the operator and user of the system This documentation must contain all necessary information and safety instructions for the operator the user and if applic...

Page 5: ...continuous process value from 0 100 The sensor detects the medium through the tank wall The wall is suppressed by means of an adjustment function so that only the medium is detected The tank wall must...

Page 6: ...ation 2 Connect the unit to an IO Link master documentation of the IO Link master software used 3 Carry out an adjustment Empty adjustment 8 1 1 and or full adjustment 8 1 2 Click on Adjust empty tank...

Page 7: ...respondingly lower signal The unit has 16 capacitive measuring segments 4 They generate measurement signals depending on the degree of coverage 3 200 228 11 11 28 1 2 14 3 4 Fig 1 Measuring range and...

Page 8: ...ble for sensor sensitivity high and low The high sensitivity level is suited for the detection of low dielectric bulk material for example The low sensitivity level can be used for detection of high d...

Page 9: ...f the detection range 5 1 Fig 1 In case of the dynamic adjustment the sensor is adjusted to the medium similar to the full adjustment This means that changing the medium without carrying out a new adj...

Page 10: ...switching output activated in case of events faults switching output deactivated in case of events faults The following events faults are taken into account 10 4 Parameter missing Maintenance required...

Page 11: ...also be 2 If no level edge can be detected the device decides whether the detection range is completely covered or uncovered based on the application adjustments carried out 8 1 Detection range comple...

Page 12: ...rrectly detect the level The edge sharpness can only be determined if the medium to be detected is within the measuring range of the unit 5 6 4 Installation quality Relates to the installation quality...

Page 13: ...parameters The values can be used for orientation after a new start of the unit 5 9 Operating hours counter The number of operating hours can be read from the memory of the unit via IO Link 10 3 3 Oth...

Page 14: ...y and full adjustment available 8 1 4 Signal strength 15 10 2 3 Index of the level edge is in the detection range 10 2 3 For a correct function of the deposits detection the tank must be free from dep...

Page 15: ...nces to metal objects If the device is installed with the cable facing upwards the parameter Orientation must be set to Connector on top 10 2 1 Lay the connection cable as straight as possible and do...

Page 16: ...Installation of several sensors Several units can be mounted head to head or so that they overlap Fig 6 Installation of several sensors Adapt the parameter Orientation according to the installation di...

Page 17: ...e mounted on bypass pipes with a circular cross section To ensure correct mounting the external diameter of the bypass pipe should be between 5 and 25 mm Fig 7 Installation on bypass pipes When the un...

Page 18: ...ing from the tank and is done at your own risk The adhesive tape used must not contain any conductive material Fig 8 Installation on the tank The sensor must be flush to the tank Curved flexible tanks...

Page 19: ...For exchangeable tanks the back of the unit can be screwed to the tank using the E12675 mounting adapter and an M6 screw One screwing point per adapter Fig 9 Installation on exchangeable tanks Maintai...

Page 20: ...n the medium or tank is changed 6 6 Notes on grounding In order for the unit to function correctly sufficient grounding of the unit as well as of the installation and tank must be ensured 7 Electrical...

Page 21: ...lication adjustments Do not touch the unit during adjustment After an adjustment there may be increased measurement deviation when the tank is filled or emptied for the first time 8 1 1 Empty adjustme...

Page 22: ...may change within the valid range Click on Stop dynamic tank adjustment 10 3 1 If no IO Link error occurs the adjustment was successful Event Parameter missing is not indicated any more Empty the tank...

Page 23: ...ed level is reached Carry out the desired standard command 10 3 2 9 Operating and display elements 1 2 3 4 5 LED Colour Indication green status LED yellow switch point 1 OUT 1 yellow switch point 2 OU...

Page 24: ...O Link master Follow the menu of the IO Link software Without ifm software parameter setting according to the IODD PDF Set the parameters Check if the parameter setting was accepted by the unit If nec...

Page 25: ...e Description LED mode All LEDs inactive 0 Only status LED active 1 Only status and switch point LEDs active 2 All LEDs active 3 Activate or deactivate LED indication 10 2 3 Diagnostic parameters Para...

Page 26: ...lower window limit dSx 0 43200 s Switching delay for the switch point drx 0 43200 s Switching delay for the switch off point OUTx Counter 0 2000000000 Counts the number of switching cycles Can only b...

Page 27: ...points Besides setting of the switch points via IO Link 10 2 4 the switch point and the switch off point can be set to the currently provided process value Command Description Adjust SPx Sets the swi...

Page 28: ...Description Device hardware fault Failure 4 The unit does not provide valid measured data due to an internal communication error Short circuit Functional check 3 Short circuit detected on OUT2 or OUT...

Page 29: ...correct mounting and configuration of the unit If only an empty adjustment or full adjustment has been carried out there may be increased measurement deviation in the detection range when the tank is...

Page 30: ...structions in 11 3 2 Carry out an empty and full adjustment 8 1 4 If only an empty adjustment is possible Fill the tank until at least one electrode of the measuring range is completely covered Read t...

Page 31: ...ry correct it 6 6 When used on a bypass pipe Insert the supply cable into the adapter The index of the level edge is in the measuring range However the position significantly deviates from the actual...

Page 32: ...Low 10 2 1 Carry out a new empty adjustment 8 1 1 If no empty teach has been carried out Check whether the unit has detached from the tank wall Check the installation conditions 6 Carry out a full adj...

Page 33: ...ription Troubleshooting Deposits above the level Clean the tank s inside in the detection range of the unit 12 Maintenance repair and disposal If used correctly no maintenance and repair measures are...

Page 34: ...no hysteresis function NO SP1 FH1 25 rP1 FL1 20 ou2 16 OFF Output Off SP2 FH2 50 rP2 FL2 45 ou3 16 OFF Output Off SP3 FH3 75 rP3 FL3 70 Sensitivity 2 Hi High LED mode 3 ALL_On Orientation 0 bottom con...

Page 35: ...35 UK...

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IFM KQ10 Series, Operating Instructions Manual

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