Pepperl+Fuchs SU18 Series User manual

Photoelectric Sensors

Subject to modifications without notice Copyright Pepperl+Fuchs

Photoelectric SU18 Series Fiber Optic

SU18 Series

Fiber Optic Sensors

•Pushbuttonteachor

potentiometeradjustablemodels

•Threeselectabledetectionmodes

•Selectabletimerfunction

•Weaksignaloutputwithself-

diagnosticoperation

•Availableremoteteach

Fiber Optic Diffuse and

Thru-Beam Mode

See page 2

Features:

• Cross-talkprotectioninhighresolutionmode

• Lighton/darkonselectable

Sensing Range: Determined by ﬁber optic cable

Output: 4-in-1

See pages 2-6 for SU18 Series speciﬁcations, wiring and dimensions.

4outputoptionsfrom1sensor:

NPNnormallyopen,NPNnormallyclosed,

PNPnormallyopen,orPNPnormallyclosed

Photoelectric Sensors

Subject to modifications without notice Copyright Pepperl+Fuchs

Photoelectric SU18 Series Fiber Optic

Speciﬁcations

SENSING RANGE Determined by cable* Determined by cable* Determined by cable* Determined by cable*

SENSITIVITY ADJUSTMENT Yes (Potentiometer) Yes (Potentiometer) Yes (Pushbutton) Yes (Pushbutton)

MODEL NUMBER(S)

SU18-16/40a/110/115/126a

SU18-16/40a/110/115a/126a

SU18-40a/110/115/123 SU18-40a/110/115a/123

OUTPUT /110 4-in-1* 4-in-1* 4-in-1* 4-in-1*

LOAD CURRENT 100 mA max. 100 mA max. 100 mA max. 100 mA max.

VOLTAGE DROP ≤2.0 VDC ≤2.0 VDC ≤2.0 VDC ≤2.0 VDC

SHORT CIRCUIT AND

OVERLOAD PROTECTION Yes Yes Yes Yes

REVERSE POLARITY

PROTECTION Yes Yes Yes Yes

SUPPLY VOLTAGE 10-30 VDC 10-30 VDC 10-30 VDC 10-30 VDC

VOLTAGE RIPPLE 10% 10% 10% 10%

LED(s) Yes (2) Yes (2) Yes (2) Yes (2)

CURRENT CONSUMPTION ≤30 mA ≤30 mA ≤30 mA ≤30 mA

OPERATING MODE Light on/dark on Light on/dark on Light on/dark on Light on/dark on

RESPONSE TIME

(by Sensing Type)

High Resolution 2 ms 2 ms 2 ms 2 ms

Standard 160 µs 160 µs 160 µs 160 µs

High Speed 80 µs 80 µs 80 µs 80 µs

READINESS DELAY

≤300 ms ≤300 ms ≤300 ms ≤300 ms

TIMER FUNCTION

40 ms On/Off Delay 40 ms On/Off Delay 40 ms On/Off Delay 40 ms On/Off Delay

SWITCHING

FREQUENCY

(by Sensing Type)

High Resolution 500 Hz 500 Hz 500 Hz 500 Hz

Standard 3 kHz 3 kHz 3 kHz 3 kHz

High Speed 6 kHz 6 kHz 6 kHz 6 kHz

STANDARDS EN 60947-5-2 EN 60947-5-2 EN 60947-5-2 EN 60947-5-2

PROTECTION (IEC) IP50 IP50 IP50 IP50

LIGHT SOURCE Visible Red LED 660 nm Visible Red LED 660 nm Visible Red LED 660 nm Visible Red LED 660 nm

AMBIENT LIGHT RESISTANCE ≤10,000 lux (sunlight)

≤5,000 lux (incandescent)

≤10,000 lux (sunlight)

≤5,000 lux (incandescent)

≤10,000 lux (sunlight)

≤5,000 lux (incandescent)

≤10,000 lux (sunlight)

≤5,000 lux (incandescent)

TEMPERATURE

RANGE

WORKING +14 ºF to +131 ºF +14 ºF to +131 ºF +14 ºF to +131 ºF +14 ºF to +131 ºF

STORAGE -4 ºF to +158 ºF -4 ºF to +158 ºF -4 ºF to +158 ºF -4 ºF to +158 ºF

HOUSING MATERIAL PC PC PC PC

WEIGHT 1.6 oz 0.9 oz 1.6 oz 0.9 oz

APPROVALS

ELECTRICAL CONNECTION

2-meter cable,

PVC covered

4-conductor, #26 AWG

200 mm pigtail,

PVC covered, quick

disconnect type V31

2-meter cable,

PVC covered

4-conductor, #26 AWG

200 mm pigtail,

PVC covered, quick

disconnect type V31

ADDITIONAL DATA See pages 3-6

*NPN normally open, NPN normally closed, PNP normally open, or PNP normally closed

Fiber Optic Diffuse and Thru-Beam Mode

Stockeditem

Typicaldelivery4weeksorless

Consult factory for all other models

*See pages 761-796 for

ﬁber optic lengths and

speciﬁcations.

Photoelectric Sensors

Subject to modifications without notice Copyright Pepperl+Fuchs

Photoelectric SU18 Series Fiber Optic

Wiring Diagrams

Cable Connection

Note: Wiringdiagramsshowquick 

disconnect pin numbers.

Quick Disconnect

V31Type

WeakSignalOuput:Output is offforweaksignal

Brown

White

Blue

(+)

( – )

Black

Load

/110/126a

LightOn/DarkOn

PNP Output

Weak

Signal

WeakSignalOuput:Outputisonforweaksignal

Brown

White

Blue

(+)

( – )

Black

/110/126a

LightOn/DarkOn

NPN Output

Weak

Signal Load

Brown

White Remote Teach

Blue

(+)

( – )

Black

Load

/110/123

LightOn/DarkOn

PNP Output

Brown

Blue

(+)

( – )

Black

/110/123

LightOn/DarkOn

NPN Output

White Remote Teach

Load

WeakSignalOuput:Output is offforweaksignal

1 Brown

2 White

3 Blue

(+)

( – )

4 Black

Load

/110/126a

LightOn/DarkOn

PNP Output

Weak

Signal

WeakSignalOuput:Outputisonforweaksignal

1 Brown

2 White

3 Blue

(+)

( – )

4 Black

/110/126a

LightOn/DarkOn

NPN Output

Weak

Signal

Male Receptacle End View

Load

1 Brown

2 White

3 Blue

(+)

( – )

4 Black

Load

/110/123

LightOn/DarkOn

PNP Output

Remote Teach

1 Brown

3 Blue

(+)

( – )

/110/123

LightOn/DarkOn

NPN Output

4 Black

2 White Remote Teach

Remote

Teach

Remote

Teach

Load

(+)

( – )

Blue

Black

Brown

White Load

Weak

Signal

(+)

( – )

Blue

Black

Brown

White

Load

(+)

( – )

Blue

Black

Brown

White

Load

Weak

Signal

(+)

( – )

Blue

Black

Brown

White

Load

Mounting Instructions

ToremovetheSU18fromtheDINmountingtrack,rmlypushtheamplierforwarduntilthelockingtabreleases.

1. 

Makingsurethelockingtabis

inthe"out"position,latchthe

ampliﬁer unit onto DIN rail.

2. Hold the ampliﬁer in

position and press

lockingtabtothe"in"

position as shown.

The35mmDINmountingtrackprovidesaneasymethodformounting

theSU18Series.Thetrackisavailablein1-metersections.

Photoelectric Sensors

Subject to modifications without notice Copyright Pepperl+Fuchs

Photoelectric SU18 Series Fiber Optic

TeachProcedure

(Forpush-buttonteachmodelsonly)

DynamicTeachinHighResolutionmode:

1. Place target in front of ﬁber

2. Press and hold the teach button for

> 2 seconds to enter Teach mode.

BothLEDswillblinksimultaneously

fastfollowedbybothLEDsblinking

simultaneously slow.

3. Remove the target or move the target further away from

the ﬁber.

4. Press and hold the Teach button for < 2 seconds to end

teachmode.BothLEDswillblinksimultaneouslyfast

andthenalternateblinkingtosignalendofteachmode.

DynamicTeachinNormalmode:

1. Press and hold the teach button for > 2 seconds to enter

Teachmode.BothLEDswillblinksimultaneouslyfast

followedbybothLEDsblinkingsimultaneouslyslow.

2. Pass a moving target in front of the ﬁber.

3. Press and hold the Teach button for < 2 seconds to end

teachmode.BothLEDswillalternateblinkingtosignal

end of teach mode.

MaximumTeach:

1. Remove target from in front of ﬁber

2. Press and hold the teach button for

> 2 seconds to enter Teach mode.

BothLEDswillblinksimultaneously

fastfollowedbybothLEDsblinking

simultaneously slow.

3. Press and hold the Teach button for > 2 seconds to end

teachmode.BothLEDswillblinksimultaneouslyfast

andthenalternateblinkingtosignalendofteachmode.

PositionTeach:

1. Place target in front of ﬁber

2. Press and hold the teach button for

> 2 seconds to enter Teach mode.

BothLEDswillblinksimultaneously

fastfollowedbybothLEDsblinking

simultaneously slow.

3. Press and hold the Teach button for > 2 seconds to end

teachmode.BothLEDswillblinksimultaneouslyfast

andthenalternateblinkingtosignalendofteachmode.

Programming

Attaching Fiber Optic Cables to SU18 Series

1.Unlocktheleveronthetopoftheamplier.Theleverwill

spring open.

2. Insert a standard 2.2 mm diameter ﬁber optic cable into

the housing until the cable goes no farther. For 1 mm

diametercables,insertberendsintotheadapterand

then slide the adapter into the sensor until it stops.

3.Turntheleversothatitlocks.Iftheleverisnotlocked,

the spring will push it open.

Lever

Fiber

StandardFiber (ø2.2 mm diameter)

SlimFiber (ø1 mm diameter)

Photoelectric Sensors

Subject to modifications without notice Copyright Pepperl+Fuchs

Photoelectric SU18 Series Fiber Optic

Self-Diagnostic definition and operation:

5 sec. rule for light-ON (LO) and dark-ON (DO) mode

Switching

threshold

Switching

threshold

Self diagnostic output

(same for LO and DO)

Normal output

(LO mode)

Normal output

(DO mode)

Self diagnostic output

(same for LO and DO)

Normal output

(LO mode)

Normal output

(DO mode)

8 cyc. rule for light-ON (LO) and dark-ON (DO) mode

8 consecutive unstable-dark transition

Stable light

Unstable light

Dark

Stable light

Unstable light

Dark

< 5 s

> 5 s

5 s

< 5 s

> 5 s

5 s

1 2 ... 8 9 x x 1

Programming

RemoteTeach

(Forpush-buttonteachmodelsonly)

RemoteTeachinNormalorHighSpeedmode:

1. Connect the remote teach wire (white) to V+ to activate

remoteteachmode.Onceinteachmode,bothLEDswill

blinksimultaneouslyfastfollowedbybothLEDsblinking

simultaneously slow.

2. Pass a moving target in front of the ﬁber.

3. Release or disconnect the remote teach wire (white) to

endteachmode.BothLEDsalternateblinkingtosignal

end of teach mode. Remote teach is complete.

RemoteTeachinHighResolutionmode:

1. Place a target in front of the ﬁber.

2. Connect the remote teach wire (white) to V+ to activate

remoteteachmode.Onceinteachmode,bothLEDswill

blinksimultaneouslyfastfollowedbybothLEDsblinking

simultaneously slow.

3. Remove the target or move the target further away from

the ﬁber.

4. Release or disconnect the remote teach wire (white) to

endteachmode.BothLEDsalternateblinkingtosignal

end of teach mode. Remote teach is complete.

Photoelectric Sensors

Subject to modifications without notice Copyright Pepperl+Fuchs

Photoelectric SU18 Series Fiber Optic

Dimensions(mm)

SU18 Series

Accessories

35mmDINMountingTrack

(sold in lengths of 1 m)

DINTrackEndBracketModelEW35

Seepages855-896

foradditional

accessories

Seepages761-796for

beropticlengthsand

specications.

Teach

H.Res

Norm

H.Spd

Off.D

T.Off

On.D

Tea c h

H.Res

Norm

H.Spd

Off.D

T.Off

On.D

Option 115

Option 115a

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