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5.2.6 Safe state

• In case of a fault a safe state can be defined for each output�
• If a fault is detected or if the signal quality is below a minimum value, the

outputs pass into the "safe state"� For this case the response of the outputs can

be set via the parameters [FOU1], [FOU2]�

• Temporary loss of signal caused e�g� by turbulence or foam formation can be

suppressed by a delay time (→ 10.5.6 [dFo]). During the delay time the last

measured value is frozen� If the measured signal is received again in sufficient

strength within the delay time, the unit continues to work in normal operation�

If, however, it is not received again in sufficient strength within the delay time,

the outputs pass into the safe state�

In case of heavy foam formation and turbulence, note the examples of how

to create a steady area (→ 6.1.2).

5.3 IO-Link
General information

This unit has an IO-Link communication interface which requires an IO-Link-

capable module (IO-Link master) for operation�
The IO-Link interface enables direct access to the process and diagnostic data

and provides the possibility to set the parameters of the unit during operation� In

addition communication is possible via a point-to-point connection with a USB

adapter cable�
Further information about IO-Link is available at www� �com�

Device-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 addresses at www�autosen�com�

Parameter setting tools

You will find all necessary information about the required IO-Link hardware and

software at www�autosen�com�

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Содержание AF004

Страница 1: ...Operating instructions Electronic level sensor autosen AF004 80259948 00 12 2016 Made in Germany UK ...

Страница 2: ...ights 11 5 2 6 Safe state 12 5 3 IO Link 12 6 Installation 13 6 1 Installation location environment 13 6 1 1 Unit with single probe 13 6 1 2 Unit with coaxial probe 16 6 2 Installation of the probe 16 6 2 1 Installation of the rod 17 6 2 2 Installation of the coaxial pipe 18 6 3 Shortening of the probe 19 6 3 1 How to shorten the rod and determine its length L 19 6 3 2 Shortening of the coaxial pi...

Страница 3: ...als 31 10 5 1 Setting of the output function 31 10 5 2 Set the switching limits hysteresis function 31 10 5 3 Set the switching limits window function 32 10 5 4 Setting of the switch off delay 32 10 5 5 Response of the outputs in case of a fault 32 10 5 6 Setting of the delay time after signal loss 32 10 6 Reset all parameters to factory setting 32 10 7 Changing basic settings 33 10 7 1 Re enter t...

Страница 4: ...ury and or damage to property can occur Improper or non intended use may lead to malfunctions of the unit or to unwanted effects in your application That is why installation electrical connection set up operation and maintenance of the unit must be carried out by qualified personnel authorised by the machine operator In order to guarantee the correct operation of the unit it is necessary to use th...

Страница 5: ...tions The unit complies with the standard EN 61000 6 4 and is a class A product The radiated energy of the microwaves is for example much below that of mobile phones According 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 AF004 Operating instructions In addition the following is necessary for installation an...

Страница 6: ...AA944 Coaxial pipes with process connection G Length cm inch Order number 45 17 7 AA929 70 27 6 AA930 100 39 4 AA931 160 63 0 AA945 Flange plates Size process connection Order number 73 90 G AA941 65 80 G AA942 Only use rods and coaxial pipes from autosen gmbh The optimum function is not ensured when using components from other manufacturers ...

Страница 7: ...le launching plates 6 4 For installation in closed metal tanks the tank lid serves as a launching plate For installation in open metal tanks tanks made of plastic or metal tanks with plastic lids a sufficiently large fixing plate a metal plate or similar must be used 6 4 3 6 4 4 For operation with single probe minimum distances to tank walls objects in the tank bottom of the tank and further level...

Страница 8: ...al loss the unit displays E 033 and switches the outputs to a defined state 11 5 The unit is not suitable for bulk materials e g plastic granulates If the unit is to be used in acids or alkalis in hygienic areas or in electroplating applications first check the compatibility of the product materials 12 Technical data and scale drawing with the media to be monitored The unit is not suitable for app...

Страница 9: ...d fig 5 1 When they hit the medium to be detected they are reflected and guided back to the sensor fig 5 2 The time between transmitting and receiving the pulse directly relates to the travelled distance D and the current level The reference for distance measurement is the lower edge of the process connection The figures show operation with single probe In case of operation with a coaxial probe th...

Страница 10: ...alue of the measuring range Factory setting cm 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 press Set The selected unit is displayed for 15 s the corresponding LED is lit With each push of the button the display type is changed The set unit of measurement and the switching status of the outpu...

Страница 11: ...dicating the real level in the tank The zone between tank bottom and lower edge of the probe can be entered as offset value OFS So display and switch points refer to the actual level 5 2 5 Probes for different tank heights The unit can be installed in tanks of different sizes Probes in different lengths are available To adapt to the tank height each probe can be shortened The minimum probe length ...

Страница 12: ...eavy foam formation and turbulence note the examples of how to create a steady area 6 1 2 5 3 IO Link General information This unit has an IO Link communication interface which requires an IO Link capable module IO Link master for operation The IO Link interface enables direct access to the process and diagnostic data and provides the possibility to set the parameters of the unit during operation ...

Страница 13: ...sensors must be adhered to 50mm 10mm 100mm B 40mm For tank walls which are not straight steps supports or other structures in the tank a distance of 50 mm to the tank wall must be adhered to For probe lengths 70 cm the rod can be considerably deflected by movement of the medium To avoid contacting the tank wall or other structures in the tank in such cases the minimum distances should be increased...

Страница 14: ...at least 60 mm fig 6 2 The height of the boss h must not exceed 40 mm fig 6 2 Although the unit can be installed in a boss installation in a flat tank lid is recommended A boss will impede the distribution of the microwaves Fig 6 1 Fig 6 2 d d h Do not install the unit in the immediate vicinity of a fill opening fig 6 3 If possible install a fill pipe A in the tank fig 6 4 Minimum distance between...

Страница 15: ...5 Separation of the installation location by metal sheets perforated sheets without figure Minimum diameter of the bypass and still pipe d 100 mm The upper access to the steady area fig 6 5 A B has to be above the maximum level The lower access fig 6 5 C D or the area with perforated sheet etc has to be below the minimum level This ensures that neither foam nor turbulence impact the sensor zone Wh...

Страница 16: ... Do not install the unit in the immediate vicinity of a fill opening No water jets must enter into the holes of the coaxial pipe A B 10 mm Note in case of foam formation the vent of the coaxial pipe must be above the maximum level The lower edge of the coaxial pipe must be below the minimum level 6 2 Installation of the probe Rod and coaxial pipe are not included in the scope of delivery They must...

Страница 17: ...l times there is no risk of damage to the unit 6 In case of high mechanical stress strong vibration moving viscous media it may be necessary to secure the screw connection e g by a screw retaining compound Substances such as screw retaining compounds may migrate into the medium Make sure that they are harmless When using mechanical means of securing e g tooth lock washer protruding edges must be a...

Страница 18: ...an be shortened 6 3 2 Screw the rod to the unit and tighten it Recommended tightening torque 4 Nm Slide the sensor seal A onto the thread Slide the coaxial pipe B onto the rod Carefully centre it and carefully move the rod through the centring piece C for lengths 140 cm through both centring pieces of the coaxial pipe Do not damage the centring pieces Screw onto the sensor thread and tighten A C B...

Страница 19: ...an 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 unit Shorten the rod at the mark Remove all burrs and sharp edges Screw the rod to the unit again and tighten it Recommended tightening torque 4 Nm Precisely measure the probe length L note the value It must be entered du...

Страница 20: ... the right Deduct 9 mm from the total length of the coaxial pipe LK 9 mm L Note down L It must be entered during parameter setting of the unit 10 2 6 4 Installation of the unit with single probe For the correct function when used with single probe the unit needs a large enough metal launching plate It is necessary for transferring the microwave pulse to the tank with optimum transmission power The...

Страница 21: ...thick walls arrange for sufficiently deep recesses to ensure flush installation 6 4 2 Installation in closed metal tanks with flange plate Flange plates are not supplied They must be ordered separately 3 Items supplied Fig 6 10 Fig 6 11 d R A B Arrange for a bore hole in the tank lid It must have a minimum diameter d to enable sufficient transfer of the measured signal to the probe fig 6 10 The di...

Страница 22: ...d sensor seal A in fig 6 11 is correctly positioned 6 4 3 Installation in open tanks For installation in open tanks use a metal fixture to install the unit It serves as a launching plate R minimum size 150 x 150 mm for a square fixture 150 mm diameter for a circular fixture If possible mount the unit in the middle of the fixture The distance D2 must not be below 40 mm higher for probe lengths 70 c...

Страница 23: ...d in case of heavy soiling 6 1 1 When installed in plastic tanks there may be deterioration caused by electromagnetic interference Corrective measures apply a metal foil to the outside of the tank Apply a shielding screen between the level sensor and other electronic units Operation with coaxial probe efficiently protects the unit from electromagnetic interference Please note the restrictions rega...

Страница 24: ...nstallation of electrical equipment must be adhered to Voltage supply according to EN 50178 SELV PELV Disconnect power Connect the unit as follows 4 1 3 2 OUT2 L L OUT1 IO Link 4 2 1 3 Pin Connection Core colours for autosen sockets 1 Ub brown 3 Ub blue 2 OUT2 pnp switching signal white 4 OUT1 pnp switching signal IO Link black When the unit is supplied with operating voltage for the first time th...

Страница 25: ... output 1 is switched LED 8 yellow output 2 is switched 9 Alphanumeric display 4 digits Indication of the current level Operation and fault indication Indication of the parameters and parameter values 10 Set button Setting of the parameter values continuously by keeping the button pressed incrementally by pressing the button once Change between cm inch indication and percent indication in the norm...

Страница 26: ...26 9 Menu 9 1 Menu structure M M S M S 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 S M M S M M M S cm inch S S 15s M S M M M S M M S M M ...

Страница 27: ...r normally open no or normally closed nc OFS Offset value for level measurement EF Extended functions opening of menu level 2 rES Restore factory setting dr1 Switch off delay for OUT1 The menu item is only active if OU1 Hno or Hnc dr2 Switch off delay for OUT2 The menu item is only active if OU2 Hno or Hnc FOU1 Response of OUT1 in case of a fault FOU2 Response of OUT2 in case of a fault dFo Delay ...

Страница 28: ...5 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 move to the maximum setting value Then the cycle starts again at the minimum setting value 3 Acknowledge parameter value Briefly press Mode Enter The parameter is displayed again The new setting val...

Страница 29: ...event 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 parameter values For unlocking Press Mode Enter Set for 10 s uLoc is displayed On delivery not locked Timeout If no button is pressed for 15 s during parameter setting the unit returns to the operating mod...

Страница 30: ...for water and water based media LOW for oils and oil based media Note In case of doubt carry out an application test to ensure the setting which is best for your medium 10 2 3 Entering the type of probe used Select Prob press SET for 5 s nonE is displayed Set the requested value rod for single probe COAX for coaxial probe The detection of water and water based media is possible with the single pro...

Страница 31: ... switch points refer to the real level Factory setting OFS 0 Note Set OFS before setting the switching limits SPx FHx rPx FLx Otherwise the switching limits shift by the value of the set offset 10 5 Setting of output signals 10 5 1 Setting of the output function Select OU1 OU2 and set the switching function Hno hysteresis function NO Hnc hysteresis function NC Fno window function NO Fnc window fun...

Страница 32: ... as switching function OUx Hno or Hnc 10 5 5 Response of the outputs in case of a fault Select FOU1 FOU2 and set the value on output switches ON in case of a fault OFF output switches OFF in case of a fault Factory setting FOU1 and FOU2 OFF Faults Faulty hardware too low a signal quality untypical level curve Overflow is not considered to be a fault 10 5 6 Setting of the delay time after signal lo...

Страница 33: ...t also be reviewed re entered 10 7 2 Setting to another medium Select MEdI and set the value HIGH for water and water based media LOW for oils and oil based media Note In case of doubt carry out an application test to ensure the setting which is best for your medium 10 7 3 New entering of the type of probe used Select Prob and set the value rod for single probe COAX for coaxial probe The detection...

Страница 34: ...Unit electronically locked parameter setting impossible For unlocking press the two setting buttons for 10 s uLoc Unit is unlocked parameter setting is possible again S Loc If S Loc is displayed when an attempt is made to modify a parameter value either an IO Link communication is active temporary locking or the sensor is permanently locked via software This locking can only be removed with a para...

Страница 35: ...nstallation conditions were not adhered to Observe the notes in Installation 6 Probe length type of probe or sensitivity setting to the medium is incorrect Correct the settings 10 2 then carry out a reset E 034 Atypical abrupt level changes Check the dynamics if necessary use a still pipe or bypass then carry out a reset SCx Flashing short circuit in switching output x Remove the short circuit SC ...

Страница 36: ...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 3 5 L 3 0 6 1 4 L 1 2 rPx FLx 1 0 3 0 L 3 5 0 4 1 2 L 1 4 Step increment 0 5 0 2 The values apply if OFS 0 The values in brackets apply to the setting MEdI LOW setting for the detection of oils and oil based media rPx FLx is always smaller than SPx FHx If the value for...

Страница 37: ...t regular intervals In case of longer operation separation layers can form in the medium e g oil on water This applies especially to still pipes or bypasses Remove separation layers at regular intervals Ensure that the vent hole at the upper end of the coaxial pipe remains free Keep the interior of the coaxial pipe free from foreign bodies and soiling ...

Страница 38: ... 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 off If the level is above SP2 output 2 switches If the level falls below rPs or if there is a wire break output 2 switches off By setting SP1 the maximum level can be controlled monitored the value of SP1 de...

Страница 39: ...ly open Hno Switching output 2 overflow protection SP2 maximum value exceeded alarm rP2 slightly below SP2 to suppress wave movements OU2 hysteresis function normally closed Hnc XX X display value A emptying B overflow protection If SP1 is exceeded output 1 switches submersible pump ON If the level is below rP1 again output 1 switches off submersible pump OFF If SP2 is exceeded or if there is a wi...

Страница 40: ...2 window function normally open Fno 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 output 1 switches off If the level is below FL2 or above FH2 or if there is a wire break output 2 switches OFF alarm The logical operation between the outputs 1 and 2 indicates whether there is overflow or the...

Страница 41: ...P FLmax OU1 Hno SP2 FH2 100 SP FHmax rP2 FL2 100 rP FLmax OU2 Hnc OFS 0 0 dr1 0 0 dr2 0 0 FOU1 OFF FOU2 OFF dFo 0 Uni cm SELd L LEnG nonE MEdI nonE Prob nonE SP FHmax LEnG value minus 3 rP FLmax LEnG value minus 3 5 When the LEnG value is entered the program calculates the basic setting ...

Страница 42: ...42 www autosen com Technical data and further information at We reserve the right to make technical alterations without prior notice ...

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