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ContentsInductiveSensors
In this section you willlearn about the basicconcepts, technicaldetails, applicationconditions, standards,etc. for the inductivesensor group.
1.0.2 Function descriptions,definitions
1.0.3 Delay times,temperature effectsand limits, magneticfield immunity
1.0.4 Electrical parameters1.0.5 Electrical parameters,
output circuits1.0.6 Wiring diagrams1.0.7 Series and parallel
connection,utilization categories
1.0.8 Protection circuits1.0.9 Response curves1.0.10 Switching distances1.0.11 Installation1.0.14 Additional definitions
sensors with analogoutput
1.0.16 Materials1.0.18 Cable types
tightening torques,removal clearance
1.0.19 Quality1.0.20 Standards1.0.22 Product overview
1.0.1
1.0
Pri
nci
ple
s
Function descriptions,definitions
Principle
Function groups
Sensing face
Standard target
Correction factor
Frequency of operatingcycles f
... of inductive proximitysensors is based on theinteraction between metallicconductors and anelectromagnetic alternating
field. Eddy currents areinduced in the metallicdamping material, whichremoves energy from thefield and reduces the height
... of the Balluff proximityswitch are:
... gives the reduction insensing distances for targetmaterials which are notmade of Fe 360.
... is a square plate ofFe 360 (ISO 630), used todefine sensing distancesper EN 60947-5-2.The thickness is d = 1 mm;and the side length acorresponds to
– the diameter of the circleof the "sensing face"or
– 3 sn, if the value is greaterthan the given diameter.
base of the shell core andcorresponds roughly to thesurface area of the shell corecap.
... is the area through whichthe high-frequency sensorfield enters the air gap. It isdetermined primarily by the
.. refers to the maximumnumber of switchingoperations per second.
Damping is per EN 60947-5-2with standard targets on arotating, non-conductingdisk. The surface area ratioof iron to non-conductormust be 1 : 2.
The measured value ofthe switching frequency is– the turn-on signal
t1= 50 µs or– the output signal
t2 = 50 µs.
InductiveSensors
Sen
sor
field
Sensing face
Sta
ndar
d ta
rget
Materialsteelcopperbrassaluminumstainless steelnickelcast iron
Factor1.0
0.25...0.450.35...0.500.30...0.450.60...1.000.65...0.750.93...1.05
1.0.2
Standard target
Proximity
switch
Field, coil,ferrite core
TriggerDemodulatorOscillator Outputdriver
of the oscillation amplitude.This change is processed inthe inductive sensor, whichchanges its output stateaccordingly.
Delay times, temperatureeffects and limits, magneticfield immunity
InductiveSensors
1.0.3
1.0Start-up delay tv
Temperature drift
Ambient temperaturerange Ta
Principle
... is the time from when thesupply voltage is applied,the proximity switch assumesthe ready state.
Delay times
Temperature effects and limits... is the deviation of theeffective operating distancewith the temperature range
... is the temperature rangeover which the function of
of –25 °C ≤ Ta ≤ +70 °C.Per EN 60947-5-2 it is:∆∆∆∆∆sr/sr ≤≤≤≤≤ 10 %
the switch is guaranteed.
Error-free function dependson the magnitude of thewelding current and thedistance of the sensor fromthe current carrying line.
Design and circuitrytechniques ensure thatmagnetic field immuneproximity switches remainunaffected by magneticfields.
Currentconductor
Sensor
Magnetic field
Magnetic field immunity
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This time may not be longerthan 300 ms. During thistime a no faulty signal maybe present for longer than2 ms.
Electrical parametersInductiveSensors
1.0.4
Supply voltage UB
Rated operationalvoltage Ue
Voltage drop Ud
Rated insulationvoltage Ui
Rated supply frequency
Ripple σσσσσ (%)
Rated operationalcurrent Ie
Off-state current Ir
Inrush current Ik
Short circuit current
No-load supply current I0
... is the permissible voltagerange in which certainoperation of the switch is
guaranteed (includingripple σ). It is indicated inthe catalog section for eachproduct.
highest rated operatingvoltage must be consideredas the rated isolation voltage.
... of a proximity switch isthe voltage to which theisolation tests and the creepdistances are referenced.For proximity switches the
... is the supply voltageused for testing withouttolerances.
For DC switchesUe = 24 VDC
For AC and AC/DC switchesUe = 110 VAC
... is the voltage measuredacross the load of a closed
... of the power supply forAC devices is 50 to 60 Hz.
... is the AC voltage (peak-to-peak of Ue) overlaid onthe DC voltage Ue givenin percent. To operate DCswitches a filtered DCvoltage having a ripple ofmax. 15 % (per DIN 41755)is required.
... is the permissibleconstant output current that
... is the residual currentflowing through the load
... is 100 A, i. e., perEN 60947-5-2 the powersupply during testing in shortcircuit mode must be able toprovide at least 100 A for ashort duration. This current
is prescribed in the standardin order to test the short.
flow during a given turn-ontime tk (ms) and at a givenfrequency (Hz).
... in the case of alternatingcurrent indicates the currentIk (Aeff) which is permitted to
... is the current consumedby a 3 or 4 wire sensor froma power supply when the
outputs are not connectedto a load.
(conducting) sensor at loadcurrent Ie.
when a proximity switch isnot conducting (open).
Ue = rated operational voltageUss= oscillation width
Ripple σ = × 100 [%]
may flow through the load Rl.
Uss
Ue
Electrical parameters,output circuits
InductiveSensors
1.0.5
1.0... is the smallest loadcurrent required for function
of the switch when ON.
... is the permissible totalcapacitance on the output of
the switch, including linecapacitance.
... is the resistance betweenthe output and the supplyvoltage which is built into the
Minimum operationalcurrent Im
Output resistance Ra
Load capacitance
Driver stages
3-wire DC switch
2-wire DC switch
2-wire ACand AC/DC switches
switch; see "Outputcircuits".
S = semiconductor switchDz = Z-Diode, limiterC = capacitorGI = bridge rectifierLED = light emitting diode
S = semiconductor switchDz = Z-Diode, limiterC = filter capacitorRC = HF-Peak-limiterGl = bridge rectifierLED = light emitting diodeVDR = voltage spike limiter
S = semiconductor switchRa = output resistanceDz = Z-Diode, limiterD1 = pol. rev. protect. diodeD2 = pol. rev. protect. diode
in load current circuit(for short protectiontypes only)
LED = light emitting diode
PNP, sourcing(current source)
NPN, sinking(current sink)
Non-polarized
Output circuits
ground connection forconnector version only
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Wiring diagramsInductiveSensors
1.0.6
Connector
BN brownBK blackBU blueWH white
non-polarized
with protection ground (insulation class I)
DC 3/4-wire
Normally-open � �
Normally-closed � �
Complementary � �
DC 2-wire
Normally-open � �
Normally-closed
AC-switches
Normally-open �
Normally-closed �
AC/DC-switches
Normally-open �
Normally-closed � �
Wire colorsper DIN IEC 60757
safety insulated (insulation class II, �����)
Cable/terminals
PNP (+) sourcing
Cable/terminals
NPN (–) sinking
polarized
Connector
Series and parallelconnection,utilization categories
InductiveSensors
1.0
1.0.7
Series connection ... can cause a time delay(e. g. start-up delay).The number of connectedproximity switches is limitedby the total voltage drop(sum of all Ud). For 2-wiresensors it is limited by theaddition of the minimumsupply voltages. For 3-wireswitches, the load capacityof the output stage repre-sents a further limitation,since the current consump-tion I0 of all switches isadded to the rated current Ie.
The ready delay time tv isthe ready delay of a sensor ×(number of sensors n–1).
... of proximity switches withLED it is recommended thatthe outputs of the individualswitches be decoupled usingdiodes (as shown).This prevents all LED's fromturning on when the outputstage of one switch is active.
For parallel connection
3-wire DC switch 2-wire DC switch(AC/DC)
3-wire DC switch 2-wire DC switch
Parallel wiring of 2-wireproximity switches isnot recommended, sincespurious pulses can becaused by the ready delaywhen the oscillators arebuilding up.
Utilization categoriesper IEC 60947-5-2/EN 60947-5-2/VDE 0660 part 208
Typical load applicationsresistive and semiconductor loads, optocouplerssmall electromagnetic load Ia ≤ 0.2 A; e. g. contactor relayresistive and semiconductor loads, optocouplerselectromagnets
CategoryAC 12 AC-switchAC 140 AC-switchDC 12 DC-switchDC 13 DC-switch
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Protection circuitsInductiveSensors
1.0.8
Polarity reversalprotected
Cable break protection
Short circuit protected(sensors with a maximumvoltage of 60 V DC)
Short circuit/overloadprotected(universal AC/DC sensors)
... against reversal of +/–leads for sensors withoutshort circuit protection.
... protected against anypossible lead reversal forsensors with short circuitprotection.
... in 3-wire sensors preventsimproper function. A diode
prevents the current fromflowing on the output line A.
... AC or AC/DC sensorsare often operated with arelay or contactor as theload.AC switching devices(contactors/relays) create asignificantly higher load(6...10 × rated current) whenthey are first energized ascompared with their staticoperation due to the factthat the core is still open.The static value of the load(current) is not reached untilseveral milliseconds later.
... is achieved in Balluffsensors using pulsing orthermal short circuit protec-tion circuits. The outputstage is thereby protectedagainst overload and short
circuit. The threshold currentof the short circuit protectionis greater than the ratedoperating current Ie. Currentsfrom switching and loadcapacitance do not trigger
this function, but rather aremasked by a short delaytime.
Not until the magnetic fieldis closed does the max.permissible rated operatingcurrent Ie flow through thesensor.This means that the thresh-old value for a short circuitcondition in these sensorsmust lie significantly higherand would, if for examplethe contactor is preventedfor mechanical or electricalreasons from fully closing,result in an overload on thesensors. This is where theoverload protection comesinto play. It is designed witha time delay, and its thresh-old is just slightly higherthan the max. permissible Ie.
A response (i. e. turn-off) isdelayed depending on themagnitude of the overloadby more than 20milliseconds. This ensuresthat properly working relaysand contactors can beswitched normally, whiledefective devices will notdestroy the Balluff sensor.The short circuit/overloadprotection is generally of abi-stable design, whichmeans that it must be resetby turning off the supplyvoltage to the sensor.
Response curvesInductiveSensors
1.0
1.0.9
Axial and radial damping
When damping in an axialdirection the standardtarget is moved concentricto the system axis.The switchpoint is thusdetermined only by thedistance "s" from the"sensing face". Whendamping in radial direction,the location of the switch-point is additionally affectedby the radial distance "r"from the system axis.
The diagram shows theresponse curves, whichshow the relationshipbetween the switchpointof "s" and "r".
The vertical axis in thediagram shows the distanceof the switchpoint from thesensing face. It is refer-enced to the nominal sen-sing distance sn (see page1.0.10). For an M18 switch,for example, with a nominalsensing distance sn = 8 mm,the number 0.4 corresponds
Standardization
The curves are shown instandardized form, i. e. theaxis sections are referencedto a generally valid nominalvalue (rated switchingdistance sn and radius ofthe "sensing face" r).This means that the curvesfor various switch diametersand switching distances areto a large degree compen-sated.The primary purpose ofthis drawing is to showthe possibility of dampingfrom lateral approach andthe difference comparedwith axial approach
Application
Due in part to manufacturingtolerances within aproduction run, the exactswitchpoint must in anycase be established on site.The solid lines represent therespective switchpoint (E),the dashed lines indicate theturn-off point (A). The redlines apply to switches witha clear zone, and the blacklines for flush mount types.Since the switchingoperation can be inducedfrom either direction, thecurves are shown mirroredfrom the system axis.
Examples
Passing objects onconveyor lines generate asignal change when theirfront edge crosses the turn-on curve on the entry side.The signal reverses againwhen the back edge ofthe passing object crossesthe turn-off curve on theopposite side.
In the case of reversingparts (e. g. end of travel),the signal reversal occursat the turn-off curve on thesame side.
The horizontal axis in thediagram is referenced to theradius of the sensing face(see page 1.0.2). The zeropoint of this axis lies in thecenter of the shell core cap.In our example for theM18 switch, the radius isr = 9 mm.
to a switching distance of0.4×8 mm = 3.2 mm.At this distance, a laterallyapproaching target reachesthe solid line turn-on curveat point "E" and leaves theturn-off curve at point "A".
The standardized distanceof the turn-on and turn-offpoints (from the system axis)is:"E" ~ 0.46 resp. "A" ~ 0.49.The absolute values of thepoints are calculated as:E = 9 mm×0.46 = 4.14 mm,A = 9 mm×0.49 = 4.41 mm.
Approach curves standardized
Standard target, axial approach
Standard target, radial approach Standard target, radial approach
Diameter of the "sensing face" (DAct. = 2 rAct.)
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Switching distancesInductiveSensors
1.0.10
Switching distance s
Rated operatingdistance sn
Effective operatingdistance sr
Useful switchingdistance su
Assured operatingdistance sa
Switchingdistance-identifier(in sections 1.1, 1.2,1.4, and 5)
Repeat accuracy R
Hysteresis H(switching hysteresis whentarget is backed off)
... is the distance betweenthe standard target and theactive surface of the proximityswitch at which a signal
... is the switching distanceof a single proximity switchunder specified temperatureand voltage conditions
(0.81 sn ≤ su ≤ 1.21 sn).
... is any switching distancefor which an operation ofthe proximity switch withinthe permissible operating
conditions (temperatures,voltages) is guaranteed(0 ≤ sa ≤ 0.81 sn).
... is given as a percentageof the effective operatingdistance sr. It is measured atan ambient temperature of+23 °C ±5 and at the ratedoperational voltage. It must
... is the switching distanceof an individual proximityswitch as measured underspecified conditions(installation, voltage,
temperature).Ta = +23 °C ±5(0.9 sn ≤ sr ≤ 1.1 sn)
... is a theoretical value,which does not take intoaccount manufacturing
tolerances, operatingtemperatures, supplyvoltages, etc.
Temperature: T = +23 °C ±5Relative humidity: ≤ 90 %Test duration: t = 8 h.
... of sr at measuring supplyvoltage Ue is given under thefollowing conditions:
The permissible deviation isspecified by EN 60947-5-2as R ≤ 0.1 sr.
Sensin
g face
sn
sr
su
sa
81 % 0 %100 %
121 %
110 % 90 %
Sta
ndar
d ta
rget
change is generated (perEN 60947-5-2).For NO this means from OFFto ON and for NC from ONto OFF.
Housing Switching distance
∅ 3 mm* 1 mm flush3 mm non-flush
∅ 4 mm/M5* 1.5 mm flush∅ 6.5 mm...M30 1.5...2×≤ M12 2.2...3×≥ M18 depending on version
none
switching distance
switching distance
switching distance
Reference axis
Standard target
Assuredoperatingdistance
Sensingface
Proximityswitch
be less than 20 % of theeffective operating distance(sr). H ≤ 0.2 sr
standard switching distanceper IEC 60947-5-2"double" the switchingdistance vs. standard
"triple" the switchingdistance vs. standard"quadruple" the switchingdistance vs. standard
*Switching distance in mm. The switching distances for these sensors are not standardized.
Switching distances
InstallationInductiveSensors
1.0
1.0.11
Flush mountableproximity switches
Non-flush mountableproximity switches
Opposing installationof 2 sensors
Installation medium
... can be installed withtheir sensing faces flush tothe metal. The distance toopposing switches must be≥ 3sn, and the distancebetween adjacent switches(side-by-side) must be ≥ 2d.
... can be identified by their"caps", since they have nometal housing surroundingthe area of the sensing face.The sensing face mustextend ≥ 2sn from the metal-lic installation medium.The distance from opposingmetal surfaces must be ≥ 3sn
and the distance betweentwo adjacent proximityswitches ≥ 3d.
... requires for all inductiveproximity switches aminimum distance of ≥ 3dbetween the sensing face.
Ferromagneticmaterials:
Alloys:
Other materials:
Iron, steel or othermagnetizable materials.
Brass, aluminum or othernon-magnetizable materials.
Plastics, electrically non-conducting materials.
Installation in metalSensors with standard switching distance
Sensingface
Sensingface
Clear zone
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InstallationInductiveSensors
1.0.12
Flush mountableproximity switches
Non-flush mountableproximity switches
Opposing installationof 2 sensors
... can be installed withtheir sensing faces flush tothe metal. The distance toopposing switches must be≥ 3sn, and the distancebetween adjacent switches(side-by-side) must be ≥ 2d.In order to install the sensorin ferromagnetic materials,the following guidelines areused for dimension "×".
Installation in metalSensors with switching distance indicator
Sensingface
Size∅ 3 mm∅ 4 mm, M5∅ 6.5 mm, M8M12M18M30
Dimension "×"1.0 mm1.5 mm
0 mm1.5 mm2.5 mm3.5 mm
For sensors in the Proximaxfamily (page 1.4.45),DESINA (page 1.4.17) andFactor 1 (page 1.4.5)the dimension "×" is notneeded for installing inmetal.
... can be identified by their"caps", since they have nometal housing surroundingthe area of the sensing face.The sensing face mustextend ≥ 2sn from the metal-lic installation medium.The distance from opposingmetal surfaces must be ≥ 3sn
and the distance betweentwo adjacent proximityswitches ≥ 3d. Exception:For BES 516-3048-G-E4-C-the clear zone and lateraldistance from metallicsurfaces ≥ 10 mm.The distance between twosensors is 30 mm.
Sensing face
Sensingface
Clear zone
SizeM8M12M18M30
Dimension "×"0 mm0 mm0,7 mm3,5 mm
For section 1.2:
... requires for all inductiveproximity switches aminimum distance of ≥ 3dbetween the sensing face.For BES 516-3048-G-E4-C-dimension a ≥ 20 mm.
InstallationInductiveSensors
1.0.13
1.0Quasi-flush mountableproximity switches
Non-flush mountableproximity switches
Opposing installation of2 sensors
Sensingface
Clear zone
Installation in metalSensors with switching distance indicator and
Sensingface
Size
∅ 6.5 mm, M8M12M18M308×8 mm
Switching distance installation inferromagnetic othermaterials metals
3.0 mm 2.0 mm4.0 mm 3.0 mm
Switching distance Dimension "×"for installation inferromagnetic othermaterials metals
2.0 mm 1.0 mm2.5 mm 2.0 mm4.0 mm 2.5 mm8.0 mm 4.0 mm
clear zone
... can be identified by their"caps", since they have nometal housing surrounding thearea of the sensing face.The active surface must extend≥ 2sn from the metallicinstallation medium.Exception: Sensors designated . For these sensors:
... require a space behindthe sensing face which isfree of conducting materials.Under this condition thespecified switching distanceis available without limitation.Dimension "×" (see fig.)indicates the shortestdistance between the sensingface and the conductingmaterial behind it.
M8: a ≥ 8 mmM12: a ≥ 10 mmM18: a ≥ 20 mmM30: a ≥ 35 mm installation in steel
a ≥ 25 mm installation in alloysa ≥ 20 mm installation in stainless
The distance from opposingmetal surfaces must be ≥ 3sn
and the distance between twoadjacent proximity switches≥ 4d.
... requires a minimum distanceof ≥ 5d between the sensingface.
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Additional definitionsSensorswith analog output
InductiveSensors
1.0.14
... are sensors that generatea continuous, varying outputsignal which is a function ifthe distance between theirsensing face and the
... is the working range inwhich the inductive distance
sensor exhibits a definedlinearity.
... is the point in the middleof the linear range, used as a
Displacement sensorswith analog output
Working range sa
Rated sensing distance se
Linear range sI
Non-linearity
Measuring speed
Response time
Slope
reference point for otherspecifications.
… indicates the maximumdeviation of the curve from areference line. This value
… is a measure of thesensitivity of the sensor withrespect to a distancechange. This physical
applies to the linear range.
… indicates the ability toreliably detect the distance(for BAW) or the position (forBIL) of a linear movingobject.
... is the time a sensorrequires in order to reliablyand stably change theoutput signal. The specifiedtime, which was determinedat maximum measuring
Slope S [V/mm] = Ua max –Ua minsl max –sl min
Slope S [mA/mm] = Ia max –Ia minsl max –sl min
or
relationship can becalculated for displacementsensors as follows:
Slope S [V/mm] = Ua max –Ua minsa max –sa min
Slope S [mA/mm] = Ia max –Ia minsa max –sa min
or
Additional definitions – sensors with analog outputBAW Section 1.6 and BIL Section 1.7
BAW
BIL
... is the usable traveldistance for position sensing.
Example:BAW
speed, includes both theelectrical response time ofthe sensor and the time forthe mechanical change ofthe damping state.
corresponding target (BAW)or the position of the markerelement relative to thesensor (BIL).
Here the direction of motionof the object is parallel to thesensor's sensing face.
Additional definitionssensorswith analog output
InductiveSensors
1.0
1.0.15
... is the shift which a pointon the actual characteristiccurve experiences at varioustemperatures.
.. is the value of the outputsignal changes under speci-fied conditions, expressedas a percent of the upperdistance. Measurementsmust be made however inthe lower, upper and centerareas of the linear range.It corresponds to the
repeatability R of proximityswitches and is determinedunder the same standardconditions (EN 60947-5-2).Displacement sensors withanalog output achieve thevalue R ≤ 5 % defined in thestandard.
Temperature drift
Temperature coefficient TK
Tolerance T
Repeat accuracy R
Repeat accuracy RBWN
… describes the deviation ofthe sensor output under theinfluence of a temperaturechange and is therefore aquality criterion of thesensor.
The temperature drift isdescribed by thetemperature coefficient.
… describes the precisionan inductive distance sensorachieves when approachinga measuring point multipletimes.
Housing
∅ 6.5 mmM8M12M18M3020×30×8 mm80×80×40 mmPG 36
"T" for flushsensors±0.125 mm±0.1 mm±0.125 mm±0.3 mm±0.6 mm±0.125 mm±1.0 mm±0.1 mm
"T" for non-flushsensors
±0.15 mm±0.25 mm±0.5 mm±0.8 mm
... is a quantity which definesthe tolerance band of thecharacteristic curve and
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thereby specifies the samplevariance.
The value determinedaccording to the BalluffFactory StandardBWN Pr.44 describes themaximum deviation fromthis measuring point.
Metals
Plastics
Materials
AlAluminum wrought alloy
CuZnBrass
Stainless steel
Quality 1.4034, 1.4104:Quality 1.4305:
Quality 1.4401, 1.4404,1.4571:
GD-AlCast aluminum
GD-ZnCast zinc
ABSAcrylnitril-Butadien-Styrol
AES/CPAcrylonitrile-Ethylene-propylene-Styrene
EPEpoxy resin
LCPLiquid Crystalline Polymer
PA 6, PA 66, PA 12Polyamide
PA transp.Transparent polyamide
Use and characteristics
Standard aluminum for cutshaping. Can be anodized.Used for housings andfastening parts.
Standard housing material.Nickel plated for surfaceprotection.
Excellent corrosion resistanceand strength.Standard material.Standard material for foodgrade applications.For food grade applicationswith heightened requirementsfor chemical resistanceat elevated temperatures.
Low specific gravity.Good strength and wearcharacteristics. Some typescan be anodized.
Good strength and wearcharacteristics. Usually withprotective surface coating.
Impact resistant, stiff, limitedchemical resistance. Sometypes are flame retardant.Used for housings.
Impact resistant, stiff, limitedchemical resistance. Usedfor housings.
Duromer, moulding resin,highest mechanical strengthand temperature resistance.Very good dimensionalstability. Non-melting.
High mechanical strengthand temperature resistance.Very good chemicalresistance. Inherently non-flammable.
Good mechanical strength,temperature resistance.PA 12 approved for foodindustry applications.
Transparent, hard, stiff.Good chemical resistance.
MaterialsInductiveSensors
1.0.16
MaterialsInductiveSensors
1.0.17
1.0Plastics
Other
Materials
PBTPolybuteneterephthalate
PCPolycarbonate
PEEKPolyetheretherketone
PMMAPolymethylmetharcrylate
POMPolyoxymethylene
PTFEPolytetraflourethylene
PURPolyurethane
PVCPolyvinylchloride
PVDFPolyvinylidenfluoride
Glass
Ceramic
Use and characteristics
High mechanical strengthand temperature resistance.Some types flame-retardant.Good chemical resistance.Good oil resistance.
Clear, hard, elastic andimpact resistant. Goodtemperature resistance.Limited chemical resistance.
Thermoplastic. Very highstrength and temperatureresistance. Good chemicalresistance. Can be sterilized,good resistance to ionizingradiation.
Clear, transparent, hard,scratch-resistant,UV-resistant. Also foroptical applications.
High impact resistance,good mechanical strength.Good chemical resistance.
Best temperature andchemical resistance.
Elastic, abrasion-resistant,impact-resistant. Goodresistance to oils, greases,solvents (used for gasketsand cable jackets).
Good mechanical strengthand chemical resistance(cable).
Thermoplastic. Hightemperature resistance andmechanical strength. Goodchemical resistance (similarto PTFE).
Good chemical resistanceand strength. Used primarilyin optical applications(lenses, covering panes).
Very good strength andchemical resistance.Electrically insulating.Excellent temperatureresistance.
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Cable types,tightening torques,removal clearance
InductiveSensors
PUR cable(PUR jacketed)
PVC cable(PVC jacketed)
Least bending radius
Special cable
Permissible tighteningtorque
No. of wires × cross-section [mm²]
2×0.082×0.142×0.34
3×0.063×0.093×0.143×0.253×0.343×0.75
4×0.144×0.25
8×0.25
2×0.142×0.34
3×0.143×0.253×0.34
4×0.25
tensioned
4×D
Outside diameter[mm]
3...43...4.14...5.5
2...2.52.5...3
2.5...3.53.5...4.54...5.56.5...7
3...44...5.5
6...8
2.5...3.54.5...5.5
2.7...4.54...5
4.5...5.5
4.5...5.5
untensioned
3×D
1.0.18
Cable types
drag chain and rolldeflection4×D...7.5×D
"SP" only
SP cable is a crossirradiated PUR cable that isgood resistant to weldsplatter.
A special connection cable isused for sensors that needto be used at higher ambienttemperatures.
Removal clearance
See data sheets or sensorpackaging
The removal clearance refersto the clearance which mustbe allowed for removing theconnector without difficulty.It results from the connector
Tightening torques
height "y" plus a space "s",which is determined mainlyby the spatial conditions.
QualityInductiveSensors
1.0.19
1.0QM-System(Quality ManagementSystem perDIN EN ISO 9001:2000)
EnvironmentalProtection System(per DIN EN ISO14001:1996)
Testing laboratory
Balluff productsmeet the EMC directives
Approvals
Balluff is a member ofALPHA
The Balluff testing laboratoryworks in accordance withISO/IEC 17025 and is
Our EMC laboratory atteststhat Balluff products meet theEMC directives of the productstandard EN 60947-5-2 andthe Generic StandardsEN 61000-6-2 andEN 61000-6-4.
The CE-marking confirmsthat our products conformto the EU directive 89/336/EWG (EMC directive) andthe EMC law.
... are granted by nationaland international institutions.Their symbols affirm that ourproducts meet the specifi-cations of these institutions.
"US Safety System" and"Canadian StandardsAssociation" under theauspices of UnderwritersLaboratories Inc. (cUL).
CCC Marking by theChinese CQC.
ALPHA, an associationfor testing and certificationof low-voltage devices,promotes self-responsibilityof the manufacturer ofsuch devices by means ofuniform test proceduresper current standards andthereby supports the attain-ment of high product quality.
ALPHA also grants nationallyrecognized product certifi-cates when certain pre-requisites are met. ThroughALPHA's membership inLOVAG (Low Voltage Agree-ment Group), its certificatesare also recognized in othereuropean countries.
accredited by the DATech forTesting of ElectromagneticCompatibility (EMC).
Balluff companyBalluff GmbH GermanyBalluff Elektronika KFT HungaryNihon Balluff Com. Ltd. JapanBalluff U.K. Ltd. Great BritainBalluff Automation s.r.l. ItalyBalluff Inc. USAGebhard Balluff Vetriebsgmbh AustriaBalluff CZ Czech RepublicHy-Tech AG SwitzerlandBalluff Sensortechnik AG SwitzerlandBalluff Controles Elétricos Ltda. Brazil
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Balluff companyBalluff GmbH GermanyBalluff Elektronika KFT Hungary
StandardsInductiveSensors
1.0.20
Proximity switches
Insulation class
Degree of protection(enclosure rating)
Low-voltage equipment
II �
IP 60...67
IP 68 per BWN Pr. 20
IP 68 per BWN Pr. 27
IP 69K
insulation test,24 h under water,insulation test,8 temperature cycles perIEC 60068-2-14 betweenreference temperaturesshown on the data sheet,7 days under water,insulation test.
Testing of products foruse in the foods industry.
Protection against ingress ofwater under high pressureand steam cleaning.
EN 60947-5-2
EN 60947-5-2
IEC 60529
Balluff factory standard(BWN):Temperature storage48 h at 60 °C,8 temperature cycles perIEC 60068-2-14 betweenreference temperaturesshown on the data sheet,1 h under water,
Balluff Factory Standard(BWN):
DIN 40050 Part 9
Standards
1.0.21
InductiveSensors
BWN Pr. 33
EN 55011
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-6
EN 60947-5-2
EN 60068-2-6
EN 60068-2-27
EN 60068-2-29
EN 60947-5-7
BWN Pr. 44
EN 50014
EN 50020
Balluff Factory Standard for EMC testing
Radiated electromagnetic field
Static discharge immunity (ESD)
Radio frequency immunity (RFI)
Immunity to fast transients (burst)
immunity to line-carried noise induced byhigh-frequency fields
Surge-voltage stability
Vibration, sinusoidal:1. Frequency range: 10...2000 Hz
Amplitude: 1 mmpk/30 g (capacitive, inductive)0.5 mmpk/30 g (photoelectric)
Duration: 40 sweeps (ca. 5 Std.) in 3 axes2. Frequency: at resonant frequency or 55 Hz
Amplitude: 1 mmpk/30 gDuration: 30 min. in 3 axes
Shock:Pulse shape: half-sinePeak acceleration: 30 gPulse duration: 11 msNo. of shocks: 3 positive,
3 negative shocks in 3 Achsen
Continuous shock:Pulse shape: half-sinePeak acceleration: 100 gPulse duration: 2 msNo. of shocks: 4000 positive,
4000 negative Schocks in 3 axes
Proximity switches with analog output
Characteristic data for analog sensors (BAW, BIL)
Electrical equipment for explosive atmospheres,general requirements.
Electrical equipment for explosive atmospheres,intrinsically-safe "i".
1.0
www.balluff.de
EMC(ElectromagneticCompatibility)
Environmental simulation
Inductive distancesensors
Hazardous areas
Product overviewInductiveSensors
1.0.22
Housing
DC 3-/4-wire
DC 2-wire
AC/DC 2-wire
PROXINOX®
PROXIMAX®
Diagnostics
Pressure/high pressure rated
Temperature rated
Weld and magnetic field immune
Magnetic field immune
Remote
Inductive distance sensors
M30
1.1.38
1.2.8 ...
1.3.3
1.4.41 ...
1.4.37
1.4.7 ...
1.5.8 ...
1.6.9
∅∅∅∅∅ 6.5 mm, M8,∅∅∅∅∅ 8 mm
1.1.8 ...
1.2.2 ...
1.4.38
1.4.22 ...
1.4.36
1.4.4 ...
1.5.9 ...
1.6.4
M5
1.1.5 ...
1.4.36
M12
1.1.22 ...
1.2.4 ...
1.3.2 ...
1.4.38 ...
1.4.45
1.4.15 ...
1.4.23 ...
1.4.36
1.4.5 ...
1.5.9 ...
1.6.5 ...
M16
1.4.28 ...
M18
1.1.30 ...
1.2.6 ...
1.3.3
1.4.40 ...
1.4.45
1.4.17
1.4.23 ...
1.4.37
1.4.6 ...
1.5.8 ...
1.6.7 ..., 1.6.13
starting Section.Page
∅∅∅∅∅ 3 mm,∅∅∅∅∅ 4 mm
1.1.2 ...
Product overviewInductiveSensors
1.0.23
1.0
20×32 mm
1.1.50
1.4.12 ...
25×50 mm
1.1.52 ...
1.4.37
5×5 mm
1.1.44
8×8 mm
1.1.46 ...
8×16 mm
1.1.45
10×30 mm
1.1.45
16.5×30 mm
1.1.48 ...
17.5×17.3 mm
1.1.52
www.balluff.de
Product overviewInductiveSensors
1.0.24
Housing
DC 3-/4-wire
AC/DC 2-wire
Factor 1
Diagnostics
Weld and magnetic field immune
Magnetic field immune
Extended switching distance
Ring sensors
Remote
Inductive distance sensors
Magneto-inductive position sensors
starting Section.page
40×40 mm
1.5.14
26×40 mm
1.1.51
1.3.4
30×20 mm
1.1.50
20×30 mm
1.6.9
74×60.5 mm
1.1.55
40×40 mmUnicompact
1.1.60 ...
1.3.7
1.4.3
1.4.17
1.4.9
42×48 mm
1.1.54
starting Section.Page
Product overviewInductiveSensors
1.0.25
1.0
40×40 mmUnisensor
1.1.56 ...
1.3.6
1.4.13
80×80 mmMaxisensor
1.1.59
1.3.5
1.5.13 ...
90×90 mm
1.5.15 ...
www.balluff.de
35×35 mm
1.4.49
80×80 mm
1.6.10
∅ 80×67 mm
1.4.48
Ring sensor
1.4.47
1.6.11
1.7.2 ...
1.0.26
BalluffSensors
Optimized forevery automation task
