precision multiple limit switchesrad-online.com/pdfs/euchner/prmultlimsw_10-03_e_076644.pdf · 4...

More than safety.

Precision MultipleLimit Switches

2

Quality, reliability, precision

Quality, reliability and precision are thehallmarks of our corporate philosophy.They represent concepts and valuesto which we feel totally committed. At EUCHNER, quality means that allour employees take personal respon-sibility for the company as a wholeand, in particular, for their own field ofwork. This individual commitment toperfection results in products whichare ideally tailored to the customers’needs and the requirements of themarket. After all: our customers andtheir needs are the focus of all ourefforts. Through efficient and effectiveuse of resources, the promotion ofpersonal initiative and courage in find-ing unusual solutions to the benefit ofour customers, we ensure a high levelof customer satisfaction. We familiar-ize ourselves with their needs, require-ments and products and we learnfrom the experiences of our cus-tomers’ own customers.

EUCHNER – More than safety.

Quality – made by EUCHNER

More than safety.Around the world – the Swabianspecialists in motion sequencecontrol for mechanical and sys-tems engineering.

EUCHNER’s history began in 1940 withthe establishment of an engineeringoffice by Emil Euchner. Since thattime, EUCHNER has been involved inthe design and development of switch-gear for controlling a wide variety ofmotion sequences in mechanical andsystems engineering. In 1953, EmilEuchner founded EUCHNER + Co., amilestone in the company’s history. In1952, he developed the first multiplelimit switch – to this day a symbol ofthe enterprising spirit of this family-owned company.

Automation – Safety – ManMachine

Today, our products range fromelectromechanical and electroniccomponents to complex system solu-tions. With this wide range of productswe can provide the necessary tech-nologies to offer the right solution forspecial requirements – regardless ofwhether these relate to reliable andprecise positioning or to componentsand systems for safety engineering inthe automation sector.EUCHNER products are sold through aworld-wide sales network of compe-tent partners. With our closeness tothe customer and the guarantee ofreliable solutions throughout theglobe, we enjoy the confidence of cus-tomers all over the world.

Emil Euchner, the company’s founder andinventor of the multiple

limit switch, circa 1928.

Automation

Table of Contents

3

General Information 4

Exterior Diaphragm 5

Interchangeable Plunger Guide 5

Precision Multiple Limit Switches

Series RGBF..12/16... Upright housing according to DIN 43697 6Plunger spacing 12 and 16 mm

Series SN..12/16... Upright housing, small flange 8Plunger spacing 12 and 16 mm

Series SN/SB..08... Upright housing, without flange 10Plunger spacing 8 mm

Series GSBF..12/16... Upright housing 12Plunger spacing 12 and 16 mm

Series GSBF..08.... Upright housing 14Plunger spacing 8 mm

Series GLBF..12/16... Horizontal housing 16Plunger spacing 12 and 16 mm

Series GLBF..08... Horizontal housing 18Plunger spacing 8 mm

Series RGBF/SN...AM Upright housing with exterior diaphragm 20Plunger spacing 12 mm

Series RGCS Upright housing according to DIN 43697 22with interchangeable plunger railsPlunger spacing 12 mm


LED function indicator 24

Cable glands 24

Switching elements 24

Accessories

Plunger systems 25

Switching elements 26

Customized versions 28

Additional products 29

Appendix

Technical status 05-06/05

4


Application

EUCHNER precision multiple limit switches are used for control-ling and positioning in all areas of mechanical and systems engi-neering and for solving automation tasks.

The main advantages of these highly accurate and reliablepositioning devices are:

� Minimum space requirements due to compact design� Low-cost connection through the use of a common control

cable� Easy access to all switch stations for test and service

purposes� Easy installation

A range of housing versions, including DIN versions, is availableto suit the full spectrum of application fields. A high standard ofquality is guaranteed in every installation position by the degreeof protection IP 67.

Function

Precision multiple limit switches possess several switching ele-ments arranged in a row. The spacing between the individualswitching positions of 12 mm and 16 mm is standardized inaccordance with DIN 43697. The product range is completedwith a particularly compact, space-saving version with a spa-cing of 8 mm.The switching elements are actuated by means of plungers.This is achieved with trip dogs in accordance with DIN 69 639,which are mounted with an interference fit in trip rails accor-ding to DIN 69 638 (see separate catalogue Trip Dogs and TripRails).

Design

Depending on the technical requirements in terms of operatingpoint accuracy and approach speed, four functionally differenttypes of plunger (chisel, roller, ball and dome plungers) are used.Depending on the plunger type, the reproducible operating pointaccuracy is ± 0.002 mm and the maximum approach speed is120 m/min.The precision multiple limit switches can be assembled with snap-action and safety switching elements, or also in combinationwith inductive switching elements. The mechanical life of theswitching elements amounts to 30 x 106 mechanical switchingcycles.EUCHNER uses the high-quality and proven acrylonitrile-butadienerubber (NBR) for all seals and sealed areas. This material isresistant to oils, greases, fuels, hydraulic fluids and most knowncooling lubricants. Moreover, NBR possesses high mechanicalrigidity over a wide temperature range and is therefore ideal forthe highly stressed diaphragm seal, which separates the plungercompartment and the interior of the switch.The material used for the diaphragm seal is a decisive criterionfor the quality, mechanical life and precision of EUCHNERprecision multiple limit switches. The same material is used forthe cover seal and the cable entry.A series with an exterior diaphragm which is designed to resistthe effect of resinous cooling lubricants is also available. Thisversion prevents the plungers sticking.A further variant with an interchangeable plunger guide allows aquick and easy plunger replacement without any re-adjustmentof the multiple limit switch. This keeps production downtimes asshort as possible.

NBR seals

LED function indicatorSwitching element

Air vent with NBR slotdiaphragm

Housing

Cable entry(sealing plug)

Plunger

General Information


5

Exterior diaphragm

Interchangeable plunger guide

A series with an exterior diaphragm which is designed to resistthe effect of resinous cooling lubricants is also available.The exterior diaphragm provides additional sealing of the plungeroutside the housing.

The plunger guides in the housing are thus reliably protectedfrom the penetration of the cooling lubricant. Plunger sticking isprevented and it is not necessary to replace the switch or plunger.For technical data on this series see pages 20 and 21.

The series RGCS with its interchangeable plunger guide allowsquick and easy plunger replacement without any new adjustmentof the multiple limit switch. This keeps production downtimes asshort as possible.In case of damage or wear to the plunger, e.g. when processingabrasive materials, and also when the plunger has becomecompletely stuck due to resinous cooling lubricants, it is onlynecessary to replace the plunger guide and plungers on thesemultiple limit switches.

The complete plunger guide is dismantled from the plunger side.The plungers can be replaced easily and quickly by the operatorwithout special tools. Specialist knowledge is not required. It isnot necessary to make changes to the machine installation orperform time-consuming re-adjustment of the system.In this way, repair costs are reduced and the machine downtimesare minimized. For technical data on this series see pages 22and 23.

6


Series RGBF...

� Plunger spacing 12 or 16 mm� Upright housing according to DIN 43697� Degree of protection IP 67 according to IEC 60529

Dimension drawing

40

72

80

6,6

6

22

850

37

45

6±

0,1

8m

ax.

70

30°

max.

5-1

,5

100

14

l 2

120

85

50

80

50

l 1

30n

ø10

LED

NoteThe series RGBF multiple limit switches can befully or partially equipped with safety switchingelements. Here it is important that the trip dogsetting distance is observed to ensure the safeopening of the circuit. The trip dogs must bepositively mounted according to EN 1088, i.e.riveted, welded or secured in some other wayagainst becoming loose.

Trip dog setting distance for safetyswitching elements

Illustration with chisel plunger, plunger type depending on version

Switc

hing

poi

nt

Groove with sealingring

Dog

Free

pos

ition

Reference surface

Cable entry M25x1.5

Cable entryM25x1.5

Version with LED functiondisplay

Plunger spacingn l1 = 12 l1 = 16

Number of Housing Housingplungers l2 material l2 material

2 70 703 80 90 Die-cast4 90 Die-cast 105 aluminum5 105 aluminum 120 anodized6 120 anodized 1408 140 170

10 170 200 Sand-cast12 200 Sand-cast 240 aluminum anodized14 240 aluminum – –16 240 anodized – –


7

Series

Number of plungers (see table, left)

Plunger types(D = Chisel, R = Roller (slide bearing), B = Rolle (ball bearing), K = Ball, W = Dome)

Plunger spacing (12 or 16 mm)

Switching elements (ES 502 E, ES 508, ES 514)

LED function indicator (AC/DC 12-60 V = 060, AC 110 V = 110, AC 220 V = 220)

Cable entry with metric thread M25 x 1.5 (M)

Ordering example: Multiple limit switch according to DIN 43697, 8 roller plungers,plunger spacing 12 mm, switching element ES 502 E, LED 24 V RGBF 08 R 12 -502 LE060-M

Mixed contact assembly: If the multiple limit switch is equipped with safety switching elements and the standard switching element ES 502 E, please note page 28.

R G B F - L E

Technical data

Ordering code - M

Parameter Value UnitHousing material Die-cast aluminum, anodized /

Sand cast aluminum, anodized (see table, left)Degree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 1) °C

D R B K W

Plunger types

Chisel Roller (slide bearing) Roller (ball bearing) Ball 2) Dome

Operating point accuracy 3) ± 0,002 ± 0,01 ± 0,01 ± 0,01 ± 0,002 mmApproach speed, max. 4) 40 80 120 5) 10 10 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 502 E ES 508 ES 514Contact elements 1 NO + 1 NC 1 NC 1 NO + 1 NC Switching principle Snap-action Slow-action Snap-action

contact element contact element contact elementActuating force ≥ 20 ≥ 15 ≥ 30 NApproach speed, min. 0.01 - 0.01 m/minDifferential travel 0.8 - 0.6 mmPre-travel to the switching point See travel diagram p. 26 and p. 27Switching frequency ≤ 300 ≤ 50 ≤ 50 min-1

Mech. life (switching cycles) ≥ 30 x 106 ≥ 1 x 106

Rated impulse withstand voltage Uimp 4 - 4 kVRated insulation voltage Ui 250 VUtilization category AC-12 Ie 10 A Ue 250 V - -according to IEC 60947-5-1 AC-15 Ie 6 A Ue 230 V Ie 6 A Ue 230 V Ie 2.5 A Ue 230 V

DC-13 Ie 6 A Ue 24 V Ie 6 A Ue 24 V Ie 6 A Ue 24 VSwitching current, min. at 10 10 5 mASwitching voltage 12 24 24 DC VConventional thermal current Ith 10 AContact closing time < 4 - ≤ 5 msContact bounce time < 3 - ≤ 3 msShort-circuit protection according to IEC 60269-1

10 A gG(control circuit fuse)Connection type Screw terminalConductor cross-section, max. 2 x 1.5 (per contact) mm2

Approvals for switching elements -LED function indicator (optional) Standard red, for other colours see accessories on request

1) Special versions for low temperature range down to -30 °C on request.2) For safety reasons, multiple limit switches with switching elements ES 508 and ES 514 are not available with ball plungers.3) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 502 E has been run-in with approx. 2000 switching cycles.4) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

Special versions for high usage with roller plungers on request.5) Only in conjunction with switching element ES 502 E or ES 508.

8


Free

pos

ition

Series SN...

� Plunger spacing 12 or 16 mm� Upright housing, small flange� Degree of protection IP 67 according to IEC 60529

Dimension drawing

NoteThe series SN multiple limit switches can befully or partially equipped with safety switchingelements. Here it is important that the trip dogsetting distance is observed to ensure the safeopening of the circuit. The trip dogs must bepositively mounted according to EN 1088, i.e.riveted, welded or secured in some other wayagainst becoming loose.



Switc

hing

poi

nt

DogReference surface

CableentryM20x1.5


Plunger spacingn l1 = 12 l1 = 16 Housing

Number of materialplungers l2 l3 l4 l2 l3 l4

2 36 19 483 48 72 16 24 Die-cast4 60 12 24 84 aluminum5 72 – – – anodized6 84 – – –

Version with safetyswitching element ES

514


9

Series


Plunger types(D = Chisel, R = Roller (slide bearing), B = Rolle (ball bearing), K = Ball, W = Dome)





Ordering example: Multiple limit switch, 3 chisel plungers, plunger spacing 12 mm,switching element ES 508, no LED SN 03 D 12 -508 -M

Mixed contact assembly: If the multiple limit switch is equipped with safety switching elements and the standard switching element ES 502 E, please note page 28.

S N - L E

Technical data

Ordering code

Parameter Value UnitHousing material Die-cast aluminum, anodizedDegree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 1) °C

D R B K W

Plunger types

Chisel Roller (slide bearing) Roller (ball bearing) Ball 2) Dome

Operating point accuracy 3) ± 0,002 ± 0,01 ± 0,01 ± 0,01 ± 0,002 mmApproach speed, max. 4) 40 80 120 5) 10 10 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 502 E ES 508 ES 514 (on request)

Contact elements 1 NO + 1 NC 1 NC 1 NO + 1 NC Switching principle Snap-action Slow-action Snap-action






Approvals for switching elements -LED function indicator (optional) Standard red, for other colours see accessories on request

1) Special versions for low temperature range down to -30 °C on request.2) For safety reasons, multiple limit switches with switching elements ES 508 and ES 514 are not available with ball plungers.3) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 502 E has been run-in with approx. 2000 switching cycles.4) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

Special versions for high usage with roller plungers on request.5) Only in conjunction with switching element ES 502 E or ES 508.

- M

10


Series SN... / SB...

� Plunger spacing 8 mm� Upright housing, without flange� Degree of protection IP 67 according to IEC 60529

Dimension drawingSeries SN...Illustration with chisel plunger, plunger type depending on version

Series SB... (with enlarged space for wiring)Illustration with chisel plunger, plunger type depending on version

n Plunger spacing 8 mmNumber Cable Housing

of plungers l1 entry material2 343 42 M16x1.5 Die-cast4 50 aluminum5 58 M20x1.5 anodized6 66

n Plunger spacing 8 mmNumber Cable Housing

of plungers l1 entry material2 343 42 M16x1.5 Die-cast

4 50 aluminum

5 58 M20x1.5 anodized

Reference surface

Reference surface

Dog

Switc

hing

poi

nt

Free

pos

ition

Dog

Switc

hing

poi

nt

Free

pos

ition

Cabl

e en

try

met

ricCa

ble

entr

y m

etric O

nly

on o

ne s

ide


11

Series (SN, SB see dimension drawing left)


Plunger types(D = Chisel, R = Roller, K = Ball)

Plunger spacing (8 mm)

Switching elements (ES 552)

Cable entry with metric thread (M, see table, left)

Ordering example: Multiple limit switch series SB, 3 roller plungers,plunger spacing 8 mm, switching element ES 552 SB 03 R 08 -552 -M

-

Technical data

Ordering code

Parameter Value UnitHousing material Die-cast aluminum, anodizedDegree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R K

Plunger types

Chisel Roller BallOperating point accuracy 1) ± 0.02 ± 0.05 ± 0.03 mmApproach speed, max. 2) 20 50 8 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 552Contact elements 1 changeover contactSwitching principle Snap-action contact elementActuating force ≥ 15 NApproach speed, min. 0.01 m/minDifferential travel 0.2 mmPre-travel to the switching point See travel diagram p. 26 and p. 27Switching frequency ≤ 200 min-1

Mech. life (switching cycles) ≥ 10 x 106

Rated impulse withstand voltage Uimp 4 kVRated insulation voltage Ui 250 VUtilization category AC-15 Ie 2.5 A Ue 230 Vaccording to IEC 60947-5-1 DC-13 Ie 2 A Ue 24 VSwitching current, min. at 10 mASwitching voltage 24 DC VConventional thermal current Ith 4 AContact closing time ≤ 10 msContact bounce time ≤ 1.5 msShort-circuit protection according to IEC 60269-1 4 A gG(control circuit fuse)Connection type Screw terminalConductor cross-section, max. 1.5 mm2

1) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 552 has been run-in with approx. 2000 switching cycles.2) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

- M2550 8

12


6 8m

ax.

30°

max.

5-1

,5

l 1

30n

30

45

26

40

80

82

98

6,6

4

22

828

14

l2

115

45

36

68 (95) *

100

ø10

LED

Series GSBF...

� Plunger spacing 12 or 16 mm� Upright housing� Degree of protection IP 67 according to IEC 60529

Dimension drawing

NoteThe series GSBF multiple limit switches can befully or partially equipped with safety switchingelements. Here it is important that the trip dogsetting distance is observed to ensure the safeopening of the circuit. The trip dogs must bepositively mounted according to EN 1088, i.e.riveted, welded or secured in some other wayagainst becoming loose.



Switc

hing

poi

nt

Groove for sealingring

Dog

Free

pos

ition

Reference surface

Cable entryM25x1.5


Cable entryM25x1.5


Number Housing Housingof plungers l2 material l2 material

2 70 703 70 82 Die-cast4 82 Die-cast 96 aluminum5 96 aluminum 112 anodized6 112 anodized 1308 130 160

10 160 192Sand-cast

12 179Sand-cast

226aluminum

14 208aluminum

256anodized

16 226anodized

28818 256 – –20 288 – –

* Only with switching elementES 514

Grey values on request


13

Series


Plunger types(D = Chisel, R = Roller, K = Ball, W = Dome)





Ordering example: Multiple limit switch, 10 chisel plungers,plunger spacing 12 mm, switching element ES 508, LED 24 V GSBF 10 D 12 -508 LE060-M

G S B F - L E

Technical data

Ordering code - M

Parameter Value UnitHousing material Die-cast aluminum, anodized /

Sand cast aluminum, anodized (see table, left)Degree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R K W

Plunger types

Chisel Roller Ball 1) DomeOperating point accuracy 2) ± 0.002 ± 0.01 ± 0.01 ± 0.002 mmApproach speed, max. 3) 40 80 10 10 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 502 E ES 508 ES 514Contact elements 1 NO + 1 NC 1 NC 1 NO + 1 NC Switching principle Snap-action Slow-action Snap-action






Approvals for switching elements -LED function indicator (optional) Standard red, for other colours see accessories -

1) For safety reasons, multiple limit switches with switching elements ES 508 and ES 514 are not available with ball plungers.2) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 502 E has been run-in with approx. 2000 switching cycles.3) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

14


30°

max.

121438

45

57

ø6

22

3 4m

ax.

16

l 1

ø5,5

72

ø10

10

28

45

30

8

26n

2±

0,5

Series GSBF...

� Plunger spacing 8 mm� Upright housing� Degree of protection IP 67 according to IEC 60529

Dimension drawingIllustration with chisel plunger, plunger type depending on version

Switc

hing

poi

ntDog

Free

pos

ition

Reference surface

Cable entryM20x1.5

n Plunger spacing 8 mmNumber Housing

of plungers l1 material2 483 644 645 806 80 Sand-8 96 cast

10 112 aluminum12 128 anodized14 14416 16018 17620 192

Cable entryM20x1.5



15

Series






Ordering example: Multiple limit switch, 8 roller plungers,plunger spacing 8 mm, switching element ES 552 GSBF 08 R 08 -552 -M

-

Technical data

Ordering code

Parameter Value UnitHousing material Sand-cast aluminum, anodizedDegree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R K

Plunger types





- M2550 8G S B F

16


Series GLBF...

� Plunger spacing 12 or 16 mm� Horizontal housing� Degree of protection IP 67 according to IEC 60529

Dimension drawing

NoteThe series GLBF multiple limit switches can befully or partially equipped with safety switchingelements. Here it is important that the trip dogsetting distance is observed to ensure the safeopening of the circuit. The trip dogs must bepositively mounted according to EN 1088, i.e.riveted, welded or secured in some other wayagainst becoming loose.



Switching pointD

ogFree position

Reference surface

Cable entry M25x1.5

Cable entryM25x1.5



Number Cable Cable Housingof entry entry material

plungers l2 l3 l4 l2 l3 l4

2 84 66 52 A 84 66 52 A3 84 66 52 M25x1.5 100 82 68 M25x1.54 100 82 68 114 98 845 114 98 84 132 114 1006 132 114 100 148 130 116 Sand-cast8 148 130 116 180 162 148 aluminum

10 180 162 148 212 194 180B + C

anodized12 199 178 167

B + C244 226 212

M25x1.5

14 228 210 196M25x1.5

276 258 24416 244 226 212 308 290 27618 276 258 244 340 322 30820 308 290 276 – – – – –

* Only with switching elementES 514



17

Series


Plunger types(D = Chisel, R = Roller, K = Ball, W = Dome)





Ordering example: Multiple limit switch, 6 roller plungers,plunger spacing 16 mm, switching element ES 508, LED 220 V GLBF 06 R 16 -508 LE220-M

G L B F - L E

Technical data

Ordering code

Parameter Value UnitHousing material Sand cast aluminum, anodized (see table, left)Degree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R K W

Plunger types

Chisel Roller Ball 1) DomeOperating point accuracy 2) ± 0.002 ± 0.01 ± 0.01 ± 0.002 mmApproach speed, max. 3) 40 80 10 10 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 502 E ES 508 ES 514Contact elements 1 NO + 1 NC 1 NC 1 NO + 1 NC Switching principle Snap-action Slow-action Snap-action






Approvals for switching elements -LED function indicator (optional) Standard red, for other colours see accessories -

1) For safety reasons, multiple limit switches with switching elements ES 508 and ES 514 are not available with ball plungers.2) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 502 E has been run-in with approx. 2000 switching cycles.3) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

- M

18


Series GLBF...

� Plunger spacing 8 mm� Horizontal housing� Degree of protection IP 67 according to IEC 60529


Switching point

Dog

Free position

Reference surface

Cable entryM20x1.5

Cable entryM20x1.5


of plungers l1 l2 l3 material

2 64 50 393 80 66 554 80 66 55 Sand-cast5 96 82 71 aluminum6 96 82 71 anodized8 112 98 87

10 128 114 10312 144 130 119



19

Series






Ordering example: Multiple limit switch, 12 ball plungers,plunger spacing 8 mm, switching element ES 552 GLBF 12 K 08 -552 -M

-

Technical data

Ordering code

Parameter Value UnitHousing material Sand-cast aluminum, anodizedDegree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R K

Plunger types





- M2550 8G L B F

20


Series RGBF...AM / SN...AM with exterior diaphragm

� Plunger spacing 12 mm� Upright housing� Degree of protection IP 67 according to IEC 60529

Switc

hing

poi

nt

Dog

Free

pos

ition

Reference surface

Cable entry M25x1.5


of plungers l1 material2 703 804 90 Die-cast

5 105 aluminum

6 120 anodized

8 140

Cable entryM25x1.5

Dimension drawingSeries RGBF... (according to DIN 43697)Illustration with chisel plunger, plunger type depending on version

Series SN...Illustration with chisel plunger, plunger type depending on version


of plungers l1 l2 material2 36 193 48 Die-cast4 60 24 aluminum5 72 anodized6 84

Groove with sealing ring

Switc

hing

poi

nt

Dog

Free

pos

ition

Reference surface

Cable entryM20x1.5

Figure: RGBF...AM design


21

Technical dataParameter Value UnitHousing material Die-cast aluminum, anodizedDegree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R

Plunger types

Chisel RollerOperating point accuracy 1) ± 0.002 ± 0.01 mmApproach speed, max. 2) 20 50 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 502 EContact elements 1 NO + 1 NCSwitching principle Snap-action contact elementActuating force ≥ 15 NApproach speed, min. 0.01 m/minLED function indicator on request

1) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 502 E has been run-in with approx. 2000 switching cycles.2) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

Exterior diaphragmThe exterior diaphragm provides additional protection to the plungerguide.Plunger sticking, primarily caused by resinous lubricatingcoolants, can be prevented by this exterior diaphragm version.

Ordering table (Other versions on request)Number

of Plunger type Multiple limit switch exterior diaphragm version

plungers Series RGBF... Order No. Series SN... Order No.2 D RGBF 02 D 12 -502 AM -M 082 325 SN 02 D 12 -502 AM -M 086 5843 RGBF 03 D 12 -502 AM -M 088 365 SN 03 D 12 -502 AM -M 086 5854 RGBF 04 D 12 -502 AM -M 082 326 SN 04 D 12 -502 AM -M 086 5865 RGBF 05 D 12 -502 AM -M 088 366 SN 05 D 12 -502 AM -M 088 7526 RGBF 06 D 12 -502 AM -M 087 097 SN 06 D 12 -502 AM -M 088 7538 Chisel plunger RGBF 08 D 12 -502 AM -M 087 135 – –2 R RGBF 02 R 12 -502 AM -M 087 098 SN 02 R 12 -502 AM -M 079 2893 RGBF 03 R 12 -502 AM -M 088 364 SN 03 R 12 -502 AM -M 086 5874 RGBF 04 R 12 -502 AM -M 082 327 SN 04 R 12 -502 AM -M 086 5885 RGBF 05 R 12 -502 AM -M 087 099 SN 05 R 12 -502 AM -M 088 7656 RGBF 06 R 12 -502 AM -M 087 100 SN 06 R 12 -502 AM -M 088 7668 Roller plunger RGBF 08 R 12 -502 AM -M 085 730 – –

22


Series RGCS... with interchangeable plunger guide

� Plunger spacing 12 mm� Upright housing according to DIN 43697� Degree of protection IP 67 according to IEC 60529

Switc

hing

poi

nt

Dog

Free

pos

ition

Reference surface

Cable entry M25x1.5

Cable entryM25x1.5


Groove with sealing ring

Features� Plunger guide made of special material� Can be dismantled from the plunger side� Complete plunger guide can be replaced


of plungers l1 material2 703 804 90 Die-cast

5 105 aluminum

6 120anodized

8 140


23

Technical dataParameter Value UnitHousing material Die-cast aluminum, anodizedDegree of protection according to IEC 60529 IP 67Installation position anyAmbient temperature - 5 to + 80 °C

D R

Plunger types

Chisel RollerOperating point accuracy 1) ± 0.002 ± 0.01 mmApproach speed, max. 2) 20 50 m/minNumber of plungers See table, leftPlunger material Stainless steelPlunger guide Maintenance-freeSwitching element ES 502 EContact elements 1 NO + 1 NCSwitching principle Snap-action contact elementActuating force ≥ 15 NApproach speed, min. 0.01 m/minLED function indicator on request

1) The reproducible operating point accuracy refers to the axial travel of the plunger after the switching element ES 502 E has been run-in with approx. 2000 switching cycles.2) The approach speed specified applies in conjunction with EUCHNER trip dogs in accordance with DIN 69639.

Interchangeable plunger guideThe interchangeable plunger guide makes it possible to rapidlyand easily replace the plunger without re-adjusting the multiplelimit switch.This keeps production downtimes as short as possible.

Ordering table (Other versions on request)Number

of Plunger type Multiple limit switch RGCS... Interchangeable plunger guide

plungers Item Order No. Item Order No.2 D RGCS 02 D 12 -502 -M 087 452 RGCS 02 D 12 074 5913 RGCS 03 D 12 -502 -M 087 453 RGCS 03 D 12 079 2034 RGCS 04 D 12 -502 -M 087 454 RGCS 04 D 12 074 5925 RGCS 05 D 12 -502 -M 087 455 RGCS 05 D 12 077 4496 RGCS 06 D 12 -502 -M 087 456 RGCS 06 D 12 074 5938 Chisel plunger RGCS 08 D 12 -502 -M 087 457 RGCS 08 D 12 077 4502 R RGCS 02 R 12 -502 -M 087 459 RGCS 02 R 12 075 4123 RGCS 03 R 12 -502 -M 087 460 RGCS 03 R 12 079 2054 RGCS 04 R 12 -502 -M 087 461 RGCS 04 R 12 075 4135 RGCS 05 R 12 -502 -M 087 462 RGCS 05 R 12 078 3826 RGCS 06 R 12 -502 -M 087 463 RGCS 06 R 12 075 4148 Roller plunger RGCS 08 R 12 -502 -M 087 464 RGCS 08 R 12 078 383

24


AccessoriesLED function indicatorThree versions with the voltage ranges AC/DC 12 - 60 V, AC 110 V ± 15 %, AC 220 V ± 15 % are available in the standard colourred. On request they can be supplied in the colours green and yellow.The built-in electronic closed-loop control ensures that the luminosity remains constant independently of the voltage applied.

Operating voltage [V] Color Item Order No.Red LE 060 rt 035 495

AC/DC 12 - 60 Green LE 060 gr 035 496Yellow LE 060 ge 035 497Red LE 110 rt 045 579

AC 110 ± 15 % Green LE 110 grYellow LE 110 ge

on request

Red LE 220 rt 045 582AC 220 ± 15 % Green LE 220 gr

Yellow LE 220 geon request

Metric Cable outer A B E AFItem thread diameter [mm] [mm] [mm] [mm] Order No.

M [mm]EKVM12/04 M12 x 1.5 4 - 6.5 20 5 15.5 14 086 327EKVM16/04 M16 x 1.5 4 - 6.5 20 6 20 18 086 328EKVM16/05 M16 x 1.5 5 - 8 20 6 20 18 086 329EKVM16/06 M16 x 1.5 6.5 - 9.5 20 6 20 18 086 330EKVM20/06 M20 x 1.5 6.5 - 9.5 20 6 24.4 22 077 683EKVM20/09 M20 x 1.5 9 - 13 21 6 24.4 22 077 684EKVM25/09 M25 x 1.5 9 - 13 21 6.5 31.2 28 086 334EKVM25/11 M25 x 1.5 11.5 - 15.5 21 6.5 31.2 28 086 335

E M

BA

SW

Cable glandsEUCHNER multiple limit switches are manufactured and supplied with the degree of protection IP 67 according to IEC 60529. High-quality cable glands must be used to maintain this degree of protection.The following table contains the items suitable for the corresponding internal thread in the multiple limit switch and for the outerdiameter of the cable used.

Material: brass, nickel-plated

Switching elementsThe switching elements ES 502 E can be supplied for multiple limit switches with 12 or 16 mm plunger spacing and ES 552 formultiple limit switches with 8 mm plunger spacing.The switching elements ES 508 and ES 514 must not be replaced for safety reasons.In safety circuits, the entire multiple limit switch must be replaced in case of damage or wear. Repairs are only to bemade by the manufacturer.

ES 502 E Order No. 010 387 ES 552 Order No. 010 429


25

Plunger types

Depending on the technical requirements, four functionally diffe-rent types of plunger (chisel, roller, ball and domed plungers)are used for 8, 12 or 16 mm plunger spacing respectively.

Chisel plunger DHardened and polish-ground.Operating point accuracy up to ± 0.002 mm.Max. approach speed of 40 m/min.

Roller plunger R with slide bearing(standard version for roller plunger)Hardened roller.Operating point accuracy up to ± 0.01 mm.Max. approach speed of 80 m/min.

Roller plunger R with ball bearingHardened roller.Operating point accuracy up to ± 0.01 mm.Max. approach speed of 120 m/min.

2 s

s

Free position Operating point End position Reset point

Pre

trav

el

Referencesurface

Ove

rtra

vel

Mov

emen

tdi

ffere

ntia

l

Res

ettr

avel

Idle

trav

el

Tota

ltr

avel

General

Plungers for precision multiple limit switches are made of stain-less steel and are extremely accurate.In conjunction with a specially surface-treated plunger guide, theextremely reliable and maintenance-free operation extends evenbeyond the guaranteed mechanical life.

There are two different types of actuating system, depending onapplication. For standard applications, the plunger is fitted witha telescopic device.

Ball plunger K(not in conjunction with safety switching elements)Hardened ball.Can be actuated from various directions.Operating point accuracy up to ± 0.01 mm.Max. approach speed of 10 m/min.

Dome plunger W(instead of ball plungers in safety switching elements)Hardened and polish-ground.Can be actuated from various directions.Operating pointaccuracy up to ± 0.002 mm.Max. approach speed of 10 m/min.

Plunger systems

With this system the plunger can be depressed to the referencesurface without damaging the switching element.Precision multiple limit switches with safety switching elementshave a „rigid“ plunger instead of a plunger with telescopic action;the rigid plunger provides a positively driven NC contact inaccordance with EN 60947. This means that the contact pointwill be reliably opened in the event of mechanical failure of theswitching element - e.g. owing to the failure of a contact springor contact weld resulting from an overload.

Plunger travel

The graphic shows the various positions of the plunger whenactuated by a trip dog.The precise values for the relevant design are shown in thetechnical data.

Travel ratio for plunger/trip dog

All the plunger travel data shown in the technical data refers toaxial actuation. When using our trip dogs in accordance withDIN 69639, this travel is doubled at the trip rail.

Appendix

26


Switching elements

General Information

Different switching elements are available for various applications. Along with the standard switching elements with snap-action function,switching elements with positively driven NC contacts can be used for safety functions.

1) A snap-action contact element has a contact element which opens or closes regardless of its actuation speed.

13-1

421

-22

13-1

421

-22

01234

67

5

6

8m

ax.

5-1

,5

7,5

Snap-action contact element 1) according to DIN 43695 with one NO and one NC contact.Double gap, electrically isolated contact elements, silver contact, electro-gold plated.Screw terminal with self-lifting clamp washers.Used in multiple limit switches with 12 and 16 mm plunger spacing.

Switching element ES 502 EApproval

13

14

21

22

ES 502 E

Pin assignment and switching function Travel diagram forseries RGBF.../GSBF.../GLBF...with plunger spacing 12 and 16 mm

Free positionSwitching point

max. stroke

Travel diagram forseries SN...with plunger spacing 12 and 16 mm

13-1

421

-22

13-1

421

-22

0

1

2

3

4

6

5

5

6,5

max

.

1,5

4-1

,5


max. stroke

Contacts openContacts closed

1-2

1-4

0

1

2

3

3,5

3

4m

ax.

2±

0,5

Snap-action contact element 1) with one changeover contact.Silver contact, electro-gold plated. Screw terminal.Used in multiple limit switches with 8 mm plunger spacing.

Switching element ES 552

Pin assignment and switching function Travel diagram forseries GSBF.../GLBF.../SN.../SB...with plunger spacing 8 mm


max. stroke

Contacts openContacts closed

1

2

4

ES 552


27

6

8m

ax.

13-1

421

-22

13-1

421

-22

0

1

2

3

4

5

4-0

,5

1) A snap-action contact element has a contact element which opens or closes regardless of its actuation speed.

2) A slow-action contact element has a contact element which opens and closes depending on its actuation speed.

EUCHNER switching elements marked with this symbol meet the IEC 60947-5-1 requirements for multiple limit switcheswith positively driven NC contacts.Safety switching elements marked with this symbol are not available as replacement switching elements.

Electrical lifeThe electrical life of the switching elements is dependent on the electrical load, the switching frequency and the approach speed.

Magnetic snap-action contact element 1) with one positively driven NC contact and oneNO contact.Double gap, electrically isolated contact elements, silver contact, electro-gold plated.Screw terminal with self-lifting clamp washers.Used in multiple limit switches with 12 and 16 mm plunger spacing.

Switching element ES 514(safety switching element)

13

14

21

22

ES 514



max. stroke



max. stroke

Contacts positively drivenContacts openContacts closed

6

8m

ax.

21-2

2

0

2

3

4

55,5

1

4-0

,5

Slow-action contact element 2) with one positively driven NC contact.Double gap, silver contact, electro-gold plated.Screw terminal with self-lifting clamp washers.Used in multiple limit switches with 12 and 16 mm plunger spacing.

Switching element ES 508(safety switching element)

21

22

ES 508



max. stroke


5

6,5

max

.

21-2

20

2

3

4

5

1

3,5

1,5

3-0

,5


max. stroke

Contacts positively drivenContacts openContacts closed

5

6,5

max

.

13-1

421

-22

13-1

421

-22

0

1

2

3

44,5

1,5

3,5

3-0

,5

28


Approach speed and performance with roller plungers

Using high quality ball bearings and technology matched to the application, approach speeds up to 120 m/min and very highperformance can be realized at the same time.

Low temperature

The selection of specially tested materials permits operation at ambient temperatures down to -30 °C.

Interchangeable plunger guideExterior diaphragm

Resinous lubricating coolants and the processing of abrasive materials can result in failure of the plunger function in particularlydifficult conditions. Proven series, shown on pages 20 to 23, minimizes downtimes and reduces repair costs.

Mixed contact assembly (only in multiple limit switches with 12 and 16 mm plunger spacing)

For specific functions on machines and systems, e.g. end of travel limit switching, EMERGENCY STOP or similar, it is necessary thatone or more stations on multiple limit switches are equipped with safety switching elements. See the ordering example below forinformation on the specification of such multiple limit switches.

The following requirements are to be observed:

� On upright multiple limit switches (e.g. RGBF...) it is necessary to start with the safety station/s on the flange side.

� On horizontal multiple limit switches (e.g. RGBF...) it is necessary to start with the safety station/s on the left side (view on theplunger side).

� If several safety stations are to be fitted, these must be fitted directly one after the other.

� The remaining stations are equipped with standard switching elements ES 502 E.

Customized versions

R G B F -0 8 R 1 2 3 5 0 8

Number of safety stationsSafety switching element ES 508

Ordering example: Multiple limit switch series RGBF, 8 roller plunger, plunger spacing 12 mm,stations 1 to 3 with safety switching elements ES 508,remaining stations with standard switching elements ES 502 E

If a multiple limit switch of mixed assembly cannot be specified with this ordering code, we would ask you to state your order in plainEnglish.

Multiple limit switches with 12 mm plunger spacing can be assembled on request with a mixture of mechanical and inductiveswitching elements.

- M


29

Inductive multiple limit switches with long me-chanical life

EUCHNER offers inductive multiple limit switches as an alter-native to precision multiple limit switches. There are five diffe-rent designs available for various areas of application with 8, 12or 16 mm proximity switch spacing respectively. The dimensionsof these versions are such that they can be interchanged withprecision multiple limit switches.

The crucial advantages

� Very long mechanical life� High switching frequency� Contact-less, non-reactive switching� Safe switching under extreme conditions� Resistant to strong vibrations, heavy dirt and aggressive

fluids

Trip rails / trip dogs

U-trip railsenable the adjustment of the trip dogs from the switch side. Thetrip dogs can be installed and adjusted quickly and easily in anylocation.

U-trip dogsare designed for use in U-trip rails. They have an expansion plateclamp and enable precise adjustment, even when the limit switchis activated.

G-trip railsenable the adjustment of trip dogs from the side opposite theswitch. They are made of steel and are protected from corrosionby a special surface treatment. Trip rails can be ordered pre-assembled or as a component for self-assembly.

G-trip dogsare designed for use in G-trip rails. The trip dogs are clamped inthe trip rail by a hexagon socket screw with spring washer. Thiswasher locks the trip dog in place even when the trip rail is in avertical position and allows precise adjustment.

Additional Products

30

JapanSolton Co. Ltd.2-13-7, Shin-YokohamaKohoku-ku, YokohamaJapan 222-0033Tel. +81 (0) 45 4 71 77 11Fax +81 (0) 45 4 71 77 [email protected]

KoreaEUCHNER Korea Ltd.RM 810 Daerung Technotown#448 Gasan-DongKumchon-Gu, SeoulTel. +82 (02) 2107 3500Fax +82 (02) 2107 [email protected]

MexicoSEPIA S.A. de C.V.Maricopa # 10302, Col. Napoles.Del. Benito JuarezMEX-03810 Mexico D:F:Tel. +52 (5) 6822 347Fax +52 (5) 5367 [email protected]

New ZealandWAF, W. Arthur Fisher11 Te Apunga PlaceMt. WellingtonAukland, New ZealandTel. +64 (0) 9 270 0100Fax +64 (0) 9 270 [email protected]

NorwayELIS ELEKTRO ASJericoveienN-1067 OsloTel. +47 (22) 90 56 70Fax +47 (22) 90 56 [email protected]

PolandELTRONpl. Wolnosci 7 BPL 50-071 WroclawTel. +48 (0)71 343 97 55Fax +48 (0)71 343 96 [email protected]

PortugalPAM – Serviços TécnicosIndustriais, LdaRua Senhora da Alegria 188P-4785 Alvarelhos STSTel. +3 51 (0) 22 98 27 518Fax +3 51 (0) 22 98 27 [email protected]

SingaporeSENTRONICSAutomation and Marketing Pte LtdBlk 3021 Ubi Avenue 2# 03-169SGP-Singapore 408897Tel. +65/6744 8018Fax +65/6744 [email protected]

RRRRRepreprepreprepreeeeesentsentsentsentsentation intation intation intation intation internernernernernationationationationationalalalalal

AustraliaMicromax Pty. Ltd.PO Box 1238AUS-WollongongNSW Australia 2500Tel. +61 (0) 2 4271 1300Fax +61 (0) 2 4271 [email protected]

AustriaEUCHNER Ges. mbHSüddruckgasse 4A-2512 TribuswinkelTel. +43 (0) 22 52 4 21 91Fax +43 (0) 22 52 4 52 [email protected]

BeneluxEUCHNER (BENELUX) B.V.Postbus 119NL-3350 AC PapendrechtTel. +31 (0) 78 6 15 47 66Fax +31 (0) 78 6 15 43 [email protected]

BrazilEUCHNER Itda.Av. Prof. Luiz Ignacio AnhaiaMello no. 4387S. LucasSão Paulo SP BrasilCEP 03295-000Tel. +55 (0) 11 69 18-22 00Fax +55 (0) 11 61 01-06 [email protected]

CanadaIAC & Associates Inc.1925 Provincial RoadWindsor, Ontario N9A 6J3Tel. +1 (5 19) 966-3444Fax +1 (5 19) [email protected]

ChinaKnowhow I&C Co.C-2204 Webok Times CenterNo. 17 Zhongguancun NandajieBeijing, 100081Tel. +86 10 8857 8899Fax +86 10 8857 [email protected]

Czech RepublicAmtek spol s.r.o.Elektronicke SoucastkyAutomatizacni TechnikaPresne strojìrenstviVidenská 125CZ-619 00 BrnoCeská republikaTel. +420 5 47 12 55 70Fax +420 5 47 12 55 [email protected]

DenmarkRobotek EL & TEKNIK A/SBlokken 31, Postboks 30DK-3460 BirkerødTel. +45 44 84 73 60Fax +45 44 84 41 [email protected]

Eastern EuropeHera Handels Ges. mbHHauptstraße 61A-2391 KaltleutgebenTel. +43 (0) 22 38 7 75 18Fax +43 (0) 22 38 7 75 [email protected]

FinlandSähkölehto OyLehto & Co.Holkkitie 14FIN-00880 HelsinkiTel. +358 (0) 9 774 6420Fax +358 (0) 9 759 [email protected]

FranceEUCHNER France S.A.R.L.Immeuble Le ColoradoERAGNY PARCRue Rosa LuxembourgParc d'affaires des BellevuesF-95610 ERAGNY sur OISETel. +33 (0) 1 39 09 90 90Fax +33 (0) 1 39 09 90 [email protected]

Hong KongImperial Engineers &Equipment Co. Ltd.Unit B 12th FloorCheung Lee Industrial Building9 Cheung Lee StreetHK-Chaiwan, Hong KongTel. +8 52/28 89 02 92Fax +8 52/28 89 18 [email protected]

HungaryEUCHNER Ges.mbHMagyarországi FióktelepH-2045 TörökbálintTópark Ipari park 3301/28Feketerét u. 1.Tel. +36/23/428 374Fax +36/23/428 [email protected]

IndiaTeknic Controlgear PVT Ltd.703, Madhava,Bandra Kurla ComplexBandra EastIND-Mumbai 400051Tel. +91-80-23 61 9348

+91-80-23 61 7867Fax +91-80-23 61 [email protected]

IranINFOCELL IRAN Co.# 84, Manoucheri Ave.,P.O. Box 81655-861, Isfahan, IRANTel. +98 311 221 1358Fax +98 311 222 [email protected]

ItalyTRITECNICA S.r.l.Viale Lazio 26I-20135 MilanoTel. +39 02 54 194-1Fax +39 02 55 01 04 [email protected]

SloveniaSMM d.o.c.Production Systems Ltd.Jaskova 18SLO-2001 MariborSloveniaTel. +386 (0)2 450 23 26Fax +386 (0)2 462 51 [email protected]

SpainEUCHNER, S.L.Gurutzegi 12 - Local 1Polígono BelartzaE-20018 San SebastiánTel. +34 (9 43) 31 67 60Fax +34 (9 43) 31 64 [email protected]

SwedenCensit ABBox 331S-33123 VärnamoTel. +46 (0) 3 70 69 10 10Fax +46 (0) 3 70 188 [email protected]

SwitzerlandEUCHNER AGIng.- und VertriebsbüroGrofstraße 17CH-8887 Mels/St. GallenTel. +41 (0) 81 7 20 45 90Fax +41 (0) 81 7 20 45 [email protected]

TaiwanDaybreak International(Taiwan) Corp.3 Fl., 124 Chung-Cheng RoadShihlinTaipei, TaiwanTel. +8 86 (0) 2 8 866 1231Fax +8 86 (0) 2 8 866 [email protected]

TurkeyPINAR MÜHENDISLIK SAN.ve Tic. Ltd. Sti.Perpa Tic. MerkeziKat. 11, No. 1705TR-80270 Okmeydani/lstanbulTel. +90 (0) 2 12 2 20 02 77Fax +90 (0) 2 12 2 20 13 [email protected]

United KingdomEUCHNER (U.K.) Ltd.Unit 2, Petre Drive,GB-Sheffield, S4 7PZTel. +44 (0) 1 14 2 56 01 23Fax +44 (0) 1 14 2 42 53 [email protected]

USAEUCHNER USA Inc.6723 Lyons St.USA-E. Syracuse, NY 13057Tel. +1 (3 15) 7 01-03 15Fax +1 (3 15) 7 01-03 [email protected]

´´

. .

.

ˆˆ

ˆ

ˆ

31

wwwwwwwwwwwwwww.....euceuceuceuceuchnerhnerhnerhnerhner.....cccccomomomomom

HeHeHeHeHeaaaaad officd officd officd officd officeeeee

EUCHNER GmbH + Co. KGKohlhammerstraße 16D-70771 Leinfelden-EchterdingenGermanyTel. +49/7 11/75 97-0Fax +49/7 11/75 33 [email protected]

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