Tiefenbach Short Form

TIEFENBACH GMBH

Beisenbruchstrasse 10

D - 45549 Sprockhövel

Tel : 0049 (0) 2324 705 - 4

Fax: 0049 (0) 2324.705 123

www tiefenbach de e.mail: info@tiefenbach.de

Generals

• Contactless activation by permanent magnets or electrical magnets

• Maintenance-free

• High sw itching capacity

• Large temperature range

• Any installation position

Application

The switches are employed as magnet-sensitive contactless bistable limit switches.

Design and mode of operation

The magnetic switch consists of two dry-reed contacts embedded in cast resin and mounted in a corrosionresistant brass casing. By the motion of a magnet, the contact and thus the circuit can be made or broken. When the contact is made, the magnetic field increases by the squared power as the air gap between the contact studs decreases and the contact closes apruptly. The contact switches almost instantaneously owing to the very small distance between the contact studs and to their low mass.

Magnetic switch bistable.

The contact is magnetically locked in its respective position by means of two magnetic clamps. As the switching magnet is more powerful, the switch is set when the magnet moves over and is set back when the magnet returns.

• High responsiveness up to max. 30 m/s

• Long service life - 109 switching cycles

• Almost instantaneous

• With connection cable or connection area

• Cable length 2m, 5m, 10m or 15m Cable: Oelflex (oil resistant), Silicon (temperature resistant) or Purw il (UV resistant)

Magnetic switch monotable.

With this switch design, the switch remains activated for as long as it is influenced by the magnetic field. The switch returns to neutral position when the magnet is removed.

Notice on installation

If the switch is placed on ferromagnetic material, the switching distance is reduced because the lines of force of the magnetic field become distorted or shorted when the switching magnet is brought near. If on the other hand the switching magnet is placed on ferromagnetic material, the switching distance is increased because the action of the switching pole and thus of the entire magnetic field is increased

Technical data

Response time (contact made): max. 2 ms

Release time (contact broken): max. 0.2 ms

Bounce time: max. 0.5 ms

Contact assembly: see special data sheet

Contact load: see Table 1

Repeatability: + 0.2 mm

Hysteresis

Monostable switch app. 25%

Bistable switch app. 10%

Service life: 109 switching cycles (depending on contact load)

Temperature range: -20°C to +85°C

Switching frequency: max. 200 Hz

Shock for 11 ms

Pulse switch max. 50 g

Bistable switch max. 15 g

Vibration

Pulse switch max. 35 g (50-500Hz)

Bistable switch max. 10 g (50-500Hz)

Installation position: as desired

iKX... ATEX certificate: for intrinsically safe equipment

CE 0158 Ex I M2 EEx ia I - BVS 04 ATEX E155

CE 0158 Ex II 2G EEx ia IIC T6 - BVS 04 ATEX E155

seitlich / lateral

Magnet

seitlich / lateral

vorn / in front

Magnet Magnet

Protective measures for dry-reed contacts. To ensure sure of sine function of sensors with Reed contacts, a protection allocation is required according to the illustrations. 1

Table 1 Contact design

Table 2

Contact designation and electrical data

Example

e = (Sch)es (Ex)es G5

Table 3 Sw itching distance

Switching distance of magnetic switch monostable

switching distance: Magnet on steel; switch in surrounding area free of steel)

Switching distance of magnetic switch bistable (Max switching distance: Magnet on steel; switch in surrounding area free of steel)

SÜD (South)

Beispiel (Example)

Magnetschalter bistabil (Magnetic switch bistable) S1

Magnetschalter bistabil (Magnetic switch bistable) S2

SÜD (South)

Kontaktfunktion (Contact function)

Tel : 0049 (0) 2324 705 - 4 Fax: 0049 (0) 2324.705 123

Beisenbruchstrasse 10

D - 45549 Sprockhövel

www tiefenbach de e.mail: info@tiefenbach.de

Beispiel (Example)

Magnet M9/4

NORD (north)

Magnetschalter bistabil (Magnetic switch bistable) S1

Magnetschalter monostabil (Magnetic switch monostable) S2

Cat Elektromagnet (Eletical magnet) EUMT Ub

Magnet M9/4

SÜD (South)

Kontaktfunktion (Contact function)

F u n k t i o n ( F un cti o n) S c h a l t e r m o n o st ab i l ( S w i t c h m o no s t ab l e ) S 2

Beispiel (Example)

Magnetschalter monostabil (Magnetic switch monostable) S4.1 and S4.2

S3

Magnetschalter bistabil (Magnetic switch bistable) S1

(North) SÜD (South) SÜD (South)

Printed: 26.02.2007 Errors and technical modifications reserved Page 12

Magnetic switch

Type w K174L…

Housing: PVC

Protections class: IP65

Magnetic switch monostable

Type wK174 L11* L= 2m

* Contact see Table 2 Standard: contact No. 4

Magnetic switch bistable

Type wK174 L21* L= 2m

* Contact see Table 2 Standard: contact No. 4

Magnetic switch model 169

Type eK169L… eK170L… eK171L…

Housing: Brass

Protections class: w = weather-proof design IP65

e = (Ex)s G5 n. VDE 0171

PTB III B/E-12500

eK171L… e = (Ex)s G5 n. VDE 0171

eK169L11...

PTB III B/E-26168

eK171L11... with bracket

Magnetic switch monostable

Type eK171L11* L= 2m (alt sHKPT1/Ex)

* * Contact see Table 2 Standard: contact No. 4

No. 4 contact NO

No. 5 contact change-over

Magnetic switch model 176

Type w K176L

Housing: brass

Protections class: IP65

Magnetic switch monostable

Type wK176L11* L= 2m

* Contact see Table 2 Standard: contact No. 4

No. 4 contact NO

No. 5 contact change-over

Magnetic switch model 176

Type w K173L… (old BSUS)

Housing: ABS

Protections class: w = weather-proof design IP65

Magnetic switch monostable

Type w K173L11* L= 2m (alt BSUS)

1 = 1 contact NO

* Contact see Table 2 Standard: contact No. 4 No. 4 contact NO No. 5 contact change-over

Variants

wK173L11. with plug (BSUS) wK37L11. with cable (BSU) wK37L11... with cable and TRIAC (BST)

Magnetic switch model 177

Type w K177L… abbreviation for weather-proof design

Type iKX177L.. ATEX certificate: for intrinsically safe equipment BVS

Housing: red brass

Protections class: IP65

Magnetic switch monostable

Type w K177L11* L= 2m (old wHKPT1)

1 = 1 NO-Contact

* Contact see Table 2 Standard: contact No. 4

Magnetic switch bistable

Type w K177L21* L= 2m (old wHKPT2a)

1 = 1 NO-Contact

* Contact see Table 2 Standard: contact No. 4

Cable: Oelflex (PVC) oil resistant (Standard) Purwil UV resistant

5.

Magnetic switch Type w K178L

Housing: red brass

Protections class: IP65

Magnetic switch monostable

Type w K178L11* L= 2m

1 = 1 NO-Contact

* Contact see Table 2 Standard: contact No. 4

Magnetic switch bistable

Type w K178L23* L= 2m (old wHKPT2)

3 = 1 NO-Cont. and 1 NC-Cont.

* Contact see Table 2 Standard: contact No. 4

Cable: Oelflex (PVC) oil resistant (Standard)

Purwil UV resistant

Magnetic switch

Type w K008K… or wK180K…

Housing: Silumin (alu) or red bass

Protections class: IP54

Magnetic switch monostable

Type w K008K11* (old BM1..)

1 = 1 NO-Contact

* Contact see Table 2 Standard: contact No. 4

Magnetic switch bistable

Type w K008K23* (old BM2…)

3 = 1 NO-Cont. and 1 NC-Cont.

* Contact see Table 2 Standard: contact No. 4

6.

Oel-flex Kabel PVC (cable)

7.

Magnetic switch

Type w K167K abbreviation for weather-proof design

Type iKX177L.. ATEX certificate: for intrinsically safe equipment

BVS 04 ATEX E155 CE 0158 Ex I M2 EEx ia I

BVS 04 ATEX E155 CE 0158 Ex II 2G EEx ia IIC T6

Housing: red brass

Protections class: IP54

Magnetic switch monostable

Type w K167K11*

* Contact see Table 2 Standard: contact No. 4

Magnetic switch bistable

Type w K167K21*

* Contact see Table 2 Standard: contact No. 4

Magnetic switch

Type w KC167K

Magnetic switch monostable

Temperature range -55° to 300° C

Type w KC167K11*

* Contact see Table 2 Standard: contact No. 4

Magnetic switch bistable

Type w K167K21*

* Contact see Table 2 Standard: contact

Magnetic switch model 168

Type iK168K… eK168K…

Housing: red brass

Schutzart: w = wasserdicht IP54

I = für eigensicher Anlagen IP54

LOBA Zul. 12.22.XIV22

e = (Sch)es (Ex) esG5 BVS T4824

Magnetic switch monostable

Typ w K168K11*

1 = 1 change-over

* Contact see Table 2 Standard: Contact No.5

Magnetic switch

Type w K209K… abbreviation for weather-proof design Type iKX209K.. ATEX certificate: for intrinsically safe equipment

BVS 04 ATEX E155 CE 0158 Ex I M2 EEx ia I

BVS 04 ATEX E155 CE 0158 Ex II 2G EEx ia IIC T6

Housing: red brass

Protections class: IP54

Magnetic switch monostable Type w K209K12*

2 = 2 change over contact

* Contact see Table 2 Standard: contact 5

Magnetic switch bistable Type w K209K23* = 1 NO-Cont. and 1 NC-Cont.

* Contact see Table 2 Standard: contact No. 4

Magnetic switch model 002

Type w K002K… abbreviation for weather-proof design= Type iKX002K.. ATEX certificate: for intrinsically safe equipment

BVS 04 ATEX E155 CE 0158 Ex I M2 EEx ia I

BVS 04 ATEX E155 CE 0158 Ex II 2G EEx ia IIC T6

Housing: red brass

Protections class: IP54

Magnetic switch monostable Type w K002K11*

1 = 1 change over contact

* Contact see Table 2 Standard: contact 5 or 6

Magnetic switch bistable Type w K002K23*

3 = 1 NO-Cont. and 1 NC-Cont.

* Contact see Table 2 Standard: contact No. 4

Magnetic shaft sw itch

Type w K509K abbreviation for weather-proof design

Type iKX509K.. ATEX certificate: for intrinsically safe equipment

BVS 04 ATEX E155 CE 0158 Ex I M2 EEx ia I

BVS 04 ATEX E155 CE 0158 Ex II 2G EEx ia IIC T6 for long switching distance

Housing: red brass

Protections class: IP54

Magnetic switch monostable

Type w K509K11*

1 = 1 change over contact

* Contact see Table 2 Standard: contact 2

Magnetic switch bistable

Type w K509K23*

3 = 1 NO-Cont. and 1 NC-Cont.

* Contact see Table 2 Standard: contact 2

Electronic magnetic switch monostable

• Operation by proximity of permanent magnets or electrical magnets

• Functions PNP, NPN or NAMUR

• Sensing distance up to 300 mm, depending on the magnet

• Any specific mounting position

Application

The switches are used as magnetically sensitive proximity switches and impulse transmitters. The electronic resin-encapsulated design makes the magnetic switch vibration-proof.

Design and construction:

The magnetic switch consists of a magnet-sensitive electronic module embedded in cast resin. The magnetic switch is operated by a magnet being approached to or passed along the active side of the switch. The switch can be operated through antimagnetic materials, i.g. non-ferrous metals.

Monostable sw itches:

A switch of this design remains operated as a long as it is influenced by the magnetic field. On removal of the magnet, the switch resets to is rest position.

• Operation by proximity of permanent magnets or 30 ms

• Operating voltage 12 to 80 V DC

• Sw itching current 0 to 400 mA

• With connection area or cable

• Continued short-circuit-proof and polarized

Technical data

Operating voltage: 12 to 80 V DC

Load current: 0 to 400 mA

Electrical design: PNP, NPN or NAMUR

Non-load current: > 10 mA

Switch position indication: red LED

Repeat accuracy: ± 0.2 mm

Hysteresis: 2 to 5 mm

Temperature range: -20° C to +85° C

Operating frequency: max. 250 Hz

Mounting position: any position

Degree of protection according to DIN 40050: IP54 (model 002) IP65 (model 67)

Housing: brass / plastic

Weight: 4,3 Kg / 0,4 Kg

Type ..NF22-95/94-K002

Monostable max 2 Systems

Housing: red brass

Protection class: IP54

Standard: 1 system, PNP, function NO

95 = PNP function NO

94 = PNP function NC

93 = NPN function NO

92 = NPN function NC

1 = NAMUR

* A different one for combinations see type code

Example for ordering: 2NF22-95/94-K002

Type

switch

Systems 1 = 1 System 2 = 2 System

Type NF30-95-L67 monostable

Housing: plastic

Protection class: IP65

Standard: PNP, function NO

95 = PNP function NO

94 = PNP function NC

93 = NPN function NO

92 = NPN function NC

1 = NAMUR

* A different one for combinations see type code

Example for ordering: NF30-95-L67 L=2m

Type code:

30 - 95 - L 67 L=2m

Cable length (L = 2 m)

Type of construction (casing)

Type of connection L = connecting cable

 Electrical design: 1 = NAMUR; 95 = NO contact PNP; 94 = NC contact PNP

 Nominal size

Marking NF = electronic magnetic switch

Permanent-type actuating magnets

Note relating to installation: If the actuating magnet is mounted on ferromagnetic metal, the sensing distance increases because the effect of the actuating pole and hence the whole magnetic field is increased. Normally, the magnets are supplied with the south pole serving as active side. Magnets with the north pole for use as active side are supplied on request.

15. Type M10/2 (active side south or north)

16. Round magnet

17. Type M10/S (active side south or north)

18. Type M10 (active side south or north) Magnet

red bronze

Magnet encapsulated in red bronze

19. Type M8 (active side south or north) Magnet encapsulated in red bronze

23.

24. Type M9/4

Electric actuating magnets

Power input: 16 W/VA

Duty cycle: 100 %

Degree of protection according to DIN 40050: IP 54

Housing material: Silumin or brass

Type of connection: terminals

Product line EUMT (brass)

Technical data

Power input: 130 W/VA

Duty cycle: 60%

Degree of protection

according to DIN 40050: IP 65

Housing: brass

Type of connection: terminals

Operating voltage:

EUMT/MS/...VDC (without rectifier)

24 VDC, 60 VDC, 115 VDC, 230 VDC EUMT/MS/...VAC (with rectifier)

24 VAC, 60 VAC, 115 VAC, 230 VAC

Polarization north/south

south/south (for magnetic switches)

TIEFENBACH GMBH

Beisenbruchstrasse 10

D - 45549 Sprockhövel

Tel : 0049 (0) 2324 705 - 4

Fax: 0049 (0) 2324.705 123

www tiefenbach de e.mail: info@tiefenbach.de

Example EUMT/MS/220VAC/wK174L114

Order code:

EUMT MS 220V AC wK174L114

    , with magnetic field control

   , AC = with rectifier DC = without rectifier

  Operating voltage 24 V, 60 V, 115 V or 230 V

 Housing AL = Silumin (light metal) MS = Brass

Designation

TIEFENBACH GMBH

Beisenbruchstrasse 10

D - 45549 Sprockhövel

Tel : 0049 (0) 2324 705 - 4

Fax: 0049 (0) 2324.705 123

www tiefenbach de e.mail: info@tiefenbach.de

Installation

A ,,shielded" or ,,flush' proximity switch will not be affected by surrounding metal. An ,,unshielded' or ,not flush" proximity switch must have an open space around the active face.

Steel shielded shielded

If proximity switches are installed opposing one another, the op posing switches must be installed with a spacing of 3 x the switch diameter between them.

Installation side by side

To avoid interference in side by side installations a minim um clearance distance between the switches must be observed.

For shielded side by side installations the interspace is a > d ( interspace > diameter> )

If unshielded proximity switches are to be installed side by side the following spacing must be observed: a > 2 d (interspace > 2 x diameter)

Cable Installation

To avoid pick up of induced voltage and current peaks, connecting wires for proximity switches should be installed separately from motor-magnet or valve-wires

Cable length

Extremely long cables will add a capacitive bad to the output and increase interference. Cables for AC-and DCswitches should not exceed 100 m (300 ft) substantially. Cables for NAMUR-switches should not exceed 250 m. (750 ft)

Magnetic fields

Strong magnetic fields may increase the sensing range or even trigger off a proximity switch. Radio frequencies may also influence a proximity switch. At installations with strong sources of radio interference the proximity switch and cable should be shielded.

Actuating area

The actuating area is a limited zone in front of the active face of a proximity switch. Within this area a target will be detected and turned into a switching signal'.

Sensing range

a.) Nominal sensing range Sn

The nominal sensing range Is the value obtained when (he ambient temperature is held at 20 ~C and voltage between 12-24 V. Under these conditions the switching point must be within a tolerance of +10 %.

b) Real sensing range Sr

This is the actual switching distance for an individual proximity switch lt is measured at nominal voltage and ambient temperature of + 20 ºC and will be between 90 % and 110% of Sn.

0,9 Sn<Sr< 1,1 Sn

c) Useful sensing range Sa

Useful sensing range is the distance at which the operation of the proximity switch, under stated temperature and voltage conditions is guaranteed This distance is between zero and up to 81% of Sn

0< Sa <0,9x 09 Sn

Changes in switching point also occur if dimensions of target are larger or smaller than measuring plate

Hysteresis

This is the difference between the operating point and the release point of a proximity switch moving direction

release point hysteresis

operate point

sensing range

proximity switch

Measuring plate

Standard target is a square test plate of 1 mm steel St. 37 - Side length normal equals the diameter of the applied proximity switch. Particular dimensions are given in the data sheets.

Sensing range reductions

The sensing range is based upon the standard DIN measuring plate. With different materials. the sensing range decreases

Influence of different materials:

Steel St.37 Sn x 1,0

Brass Sn x 0.5

Aluminium Sn x 0,4

Copper Sn x 046

Chrome Nickel Sn x 0,9

Stainless-Steel Sn x 0,7

These factors are only approximation formula. Deviations are possible if using various alloys.

Sw itching frequency maximum

This frequency indicates the maximum number of pulses per second, this is for an on/of ratio of 2:1 and one half the nominal switching distance Sn (according to the standard EN 50010).

Repeatability

The repeatability of switch points shows the repeated effective switching distance of two consecutive switching processes within 8 hours at an ambient temperature between + 15ºC and + 30ºC and a voltage of + 5% deviation from nominal voltage.

Temperature drift

The temperature drift indicates the change of the switching point caused by ambient temperature variations within the range of 25ºC to + 70ºC. The temperature of the measuring plate does not influence the switching point. The switching point at - 25ºC and + 70ºC may vary up to 15% compared to the point measured at + 20ºC

Primary DC-sources

Please note: If problems with proximity switches occur, a very common ca use is a poor DC-source! (excessive ripple) Simple sources as a transformer and rectifier are not recommended. A smoothing capacitor is required to avoid more than 10 % ripple. Transformers with 24 V output, rectifier and smoothing capacitor amount to a floating voltage of substantially more than 30 V. Proximity switches with 10-30 V rating may be damaged

Reverse polarity protection

All TIEFENBACH proximity switches are protected against reverse polarity. This switch will not be damaged if connections are accidently reversed.

Interference protection

All TIEFENBACH proximity switches feature an interference protection circuitry. This feature assures that voltage peaks or release interference caused by relays does not destroy the proximity switch.

Ready for operation delay

When power is supplied to the proximity switch, it normally triggers off for a very short per/od of time.

TIEFENBACH proximity switches feature a ready for operation delay to suppress the power on Impulse.

No load current

This is the current consumption of a proximity switch when the output transistor is in the off state. It is indicated at the maximum voltage rate.

Max current load

This Is the maximum load at which a proximity switch may be operated continiuously The minimum current is the smallest current which must flow in the closed state to guarantee the operation of the switch.

TIEFENBACH GMBH

Beisenbruchstrasse 10

D - 45549 Sprockhövel

Short circuit protection

Internal circuitry which protects the switch against accidental overloads. If the bad is shorted, the DC-switch will revert to the open state until short circuit conditions are corrected, AC-proximity switches have no short circuit protection.

Rate of rise and fall of output voltage edge

Time for rise and fall is approximately the same. For proximity switches up to 20 mm sensing range it is > 5 Volt/µs. For proximity switches with more than 20 mm sensing range it is > 1 Volt/µs

Voltage drop

The difference in voltage at minimum load measured with and without the switch in a circuit.

Leakage current

The current which flows through the load when the sensor is non-energized. Also called burden or residual current.

Ripple

This is the alternating voltage super-imposed on the DC-voltage in percent. For the operation of DC-switches a maximum ripple of 10% should not be exceeded

LED

TIEFENBACH proximity switches feature a light emitting diode to indicate the ,on stage' with a red LED.

Oil-resistance

Normal lubrications do not cause problems. If special lubrications are being used which may adversely affect the proximity switch or cable, please contact manufacturer.

Protection class IP 65

Complete protection against contact with live parts. Protection against ingress of dust and hose water

Protection class IP 67

Complete protection against contact with live parts. Protection against ingress of dust and protection against ingress of water when submerged into water for one meter (three feet) for a period of 30 minutes

Type of connection L = cable

K = clips

Electric design:, see table Electical design

Constructional fourm

Designation N = Inductive NC = Temperature 100°C

Electrical data

Voltage drop 1V

Hysteresis 5% to 20%

Reproducibility < 1%

Temprature drift 10%

Ambient temperature -25°C to 80°C NC - 25°C to 100°C

Protections class IP 67

Short circuit protection yes

Reserve potlarty protection yes

ON – OFF indicator yes

Cable length 2 m 0,75 mm²

Special cable and extra length 5m, 10m or 15m etc.

Avalable Cable

Normaly

Oelflex (PVC oil resistant)

Silicon (temp. resistant to 180° C)

Pruwil ( UV resistant )

Electrical design:

Tw o wire switch

4 NO 110 to 220 VAC

74 NO 110 to 220 VAC

5 NC 110 to 220 VAC

75 C 24 to 250 V AC / DC

Three w ire switch

2 NC 15 to 30V DC, NPN

92 NC 10 to 80V DC, NPN

3 NO 15 to 30V DC, NPN

93 NO 10 to 80V DC, NPN

24 NC 15 to 30V DC, PNP

94 NC 10 to 80V DC, PNP

25 NO 15 to 30V DC, PNP 95 NO 10 to 80V DC, PNP

Four w ire switch 23 exclusiv OR 15 to 30V DC, PNP

Type

Nominal

*Outlet

Type

Temperatur

*Outlet

Type N30- * -L67-20 L=2m Nominal

Type

Type N600- * -L71-100 L=2m

51.

Rotational speed monitor

Special features

• Monitoring of revolutions, vibrations etc.

• Start-up transition of 0 to 999.9 seconds

• Parameters can be set for monitoring of too high and too low rotational speeds

• Can be connected to any normal transmitter system: PNP, NPN, NAMUR, oscillation or contact makers.

• Outputs: Change-over contact for monitoring of

• rotational speed

• Change-over contact for fault message

• Acknow ledgement possible if desired

• Start contact as make contact or break contact

• Digital display of actual rotational speed in min1

• All inputs and outputs galvanically separated

• Operating voltage: all normal alternating voltages and direct voltages (230VAC, 115VAC, 42 VAC or 24 VDC

Application

The rotational speed monitor is used for the monitoring of revolving or vibrating machine parts and triggers off in the case of too high or too low rotational speeds. By means of logical evaluation, the rotational speed monitor can distinguish between a deliberate disconnection and a fault.

Method of functioning

The complete rotational speed monitoring system consists of the signal transmitter and the rotational speed monitor. As signal transmitter, the following options may be chosen from:

1. Inductive proximity switch in accordance with DIN 19234 (NAMUR)

2. Inductive proximity switch 24V or 60V DC, PNP (open collector)

3. Inductive proximity switch 24V or 60V DC, NPN (open collector)

4. Magnetically activated contact maker

5. Vibration pickup for supervision of vibration frequency

All signal transmitters function without physical pressure, i.e there is no mechanical connection between the rotor, the machine and the signaling device. By moving past a damping material on the active circuit surface of the signal transmitter, the movement of the machine part to be monitored is converted by the signal transmitter into electrical impulses which are led to the rotational speed monitor. The sequence of impulses is calculated into a rotational speed by the monitor and this speed is displayed.

Preprogramable rotational speed monitor models

Model 1 Underspeed monitor

Model 2 Rotational speed monitor with window

Model 4 Overspeed monitor

Model 5 Rotational speed monitor with start-up curb

Connection diagram and control panel.

Example of order code:

Rotational speed monitor

Slip monitor

Special features

• Monitoring of equipment systems w ith variable rotational speed such as proportioning belts, belt conveyors, belt drives etc.

• Constant monitoring by means of comparison of rotational speeds (also in the start-up phase).

• Can be connected to any normal transmitter system: PNP, NPN, NAMUR or contact makers.

• Outlet for connection to further rotational speed monitoring systems.

• Outlets: Change-over contact for synchronization monitoring,

• change-over contact for fault message.

• Parameters can be set for acknow ledgment function.

• Digital display of slippage in %, rotational speed 1, or rotational speed 2 in min-1 .

• The ratio of transmission is automatically calculated. Operating voltage: (220 VAC, 110 VAC, 42 VAC, 24 VDC

Application

The slip monitor is used for the monitoring of equipment systems with variable rotational speed, such as proportioning belts, belt drives etc. Slippage or synchronization are monitored by means of a comparison of rotational frequency by the driving and driven timing disks. If the permitted slippage tolerance is exceeded, non-potential contacts for switching off and for fault messages are made available.

Method of functioning

The complete slip monitoring system consists of two signal transmitters and the slip monitor. As signal transmitter, the following options may be chosen from:

1. Inductive proximity switch in accordance with DIN 19234 (NAMUR)

2. Inductive proximity switch 24V DC, PNP (open collector)

3. Inductive proximity switch 24V DC, NPN (open collector)

4. Magnetically activated contact maker

All signal transmitters function without physical contact, i.e. there is no mechanical connection between the rotor of the machine and the signalling

device. By moving past a damping material on the active circuit surface of the signalling device, the movements are turned into electrical impulses which are led to the slip monitor. The impulses from the two timing disks are converted into two rotational speeds by the slip monitor and compared. The ratio of transmission is calculated by the slip monitor. When the line voltage is switched on, the "synchronization" relay picks up, and the slip monitor is active. If slippage occurs during the start-up phase or during normal machine operation, the synchronization relay is released after the preprogrammed slippage tolerance has been exceeded and the fault message relay switches on. A preprogrammable switching delay time permits the slippage tolerance to be exceeded for the predefined time.

When the acknowledgment function is activated, the fault message can be turned off only by means of the acknowledgment input. The acknowledgment works on flanks, allowing non-potential make contacts or break contacts to be used. If the acknowledgment function is not activated, the fault message is turned off whenever the slippage tolerance is fallen short of.

Connection diagram and control panel.

Example of order code: SW 220VAC  Supply voltage 230VAC, 115VAC or 24VDC Rotational slip monitor

Cessation controller type D20/10 53.

Special features

• Actuation through inductive transducers or inductive proximity sw itches (24 V three-wire NPN or NAMUR) or contactors

• Fail-safe, cable length up to 1000 m

• Indication of the sw itching state through light emitting diodes

• Adjustable pulse recurrence time from 0,5 to 20 sec.

• lnsulating material housing w ith sprlng-loaded mounting on bearing rail DIN 46277

Application

The cessation controller can be employed for monitoring of turning or vibrating motions of machines.

Construction and principles of operating:

The monitoring unit comprises one transducer and the cessation controller. Transducers employed are:

a) inductive proximity switches , contactlessly operated through protruding metalpieces,

b) inductive transducers or contactors, contactlessly operated through magnets.

The output relay of the cessation controller energizes after switching on the device. If the time between the pulses fedin by the transducer (pulse pause time) is smaller than the pre-set pulse recurrence time, the relay remains energized. In case of the pulse pause time being higher than the pulse recurrence time, the relay de-energizes. By means of a potentiometer, pulse recurrence time can be continou sly adjusted from 0,5 to 20 sec. on the front side of the housing. If the pulse pause time is higher than 20 Sec., several switching segments for the operation of the transducers must be installed. The switching position „ON“ of the output relay is indicated by a red light emitting diode.

Technical Data:

Pulse recurrence time: steplessly adjustable from 0,5 to 20 sec.

Output: potential-free changer indication of the switching state “Relay energized“ through light emitting diode

Contact load:

max. switching capacity: 100W/500 VA

max r.m.s. current: 4 A

max. switching voltage: 220 V

Supply voltage: 230 V ±15 % 40 - 60 Hz, 115 V ±15 % 40 - 60 Hz

24 V DC/AC ±15 %

Power consumption: appr. 5 VA

Temperature area -20°C to +60°C; Safety classification: housing IP 50 acc. to DIN 40 050 terminals IP 10

Assembly: optional fitting position, spring-load mounting on bearing rail 35 mm acc. to DIN 45 277, skeet 3 - or individual assembly acc. to DIN 43660

Material housing: Makrolon, grey

Weight alternating current model approx 0.4 kg.;

Switching Amplifier for 3 inductive

switches

Type G84/97/... without pulse extension G84/122/... with pulse extension 1 sec.

Switching Amplifier for 3 electronic NAMUR magnetic switches

Type G84/132/... w ith pulse extension

• Sw itching amplifier for 3 proximity switches

NAMUR

• Available w ith or w ithout pulse extension

• All functions visible via LEDs

Application

• Optocoupler output

• Function reversal by jumper

The switching amplifier comprises 3 channels. Up to 3 NAMUR switches can be connected.

Operating principle

The switching amplifier consists of 3 independent NAMUR amplifiers which comprise, depending on the model, a pulse extension to a duration of 1 second per channel. The duration of the pulse extension can be preset internally by the manufacturer. As signal transmitters, the following models can be used:

1. Inductive proximity switches according to DIN 19234 (NAMUR)

2. Magnetic switches with external NAMUR circuitry (break contact function)

3. Electronic NAMUR magnetic switches

4. Magnetic switches with external NAMUR circuitry (make contact function)

All signal transmitters operate contactless, i.e. there is no mechanical link between the rotor, the machine and the signal transmitter. When a ferromagnetic material moves along the active surfaces of the signal transmitters, the movement of the machine part is transformed in electric pulses by the transmitter and is made available as output signal via an optocoupler.

Specifications

Input frequency: > 2 ms

Temperature range: -25° C to +60° C

Operating voltage: 230 VAC, 115 VAC 48...60Hz, or 24VDC ±15%, 3.5 VA, 2.5W

Protection class: Casing IP 40, class IP 20

Casing material: Polycarbonate/ABS

Installation: On ground plate or top hat rail DIN 50022

Dimensions: L 75 x W 55 x H 110 mm

Terminal cross-section: 4 mm²

Input circuit:

3 independent channels.

NAMUR Input: according to DIN 19234

Voltage: 8.2 VDC

Current: max. 8.2 mA

Switching threshold: 1.55 mA

Switching hysteresis: 0.2 mA

Output circuit:

Pulse extension: 1 sec (model G84/122/..)

Optocoupler rating

Voltage: 80 V DC

Current: 100 mA

Voltage drop: ≤ 1.5 V at maximum current

55.

Direction Detection

for inductive proximity switch NAMUR

Type G84/124/... with MOS relay

Type G84/120/... with optocoupler

Type G84/96/... with relay

for inductive switch NAMUR

Type G84/133/... with relay

• Signal input by proximity sw itch NAMUR

• Line fault monitoring for the connected sw itch

• Function inversion by jumper possible

Application

• Output either w ith relay contact or semiconductor MOS relay.

The direction detection system analyzes 2 overlapping pulses with a phase shift of 90° and switches the output relay according to the direction of the passing machinery part.

Operating principle

The complete direction detection system consists of 2 signal transmitters and the direction detection unit. As signal transmitters, the following models can be used:

1. Inductive proximity switches according to DIN 19234 (NAMUR)

2. Magnetic switches according to DIN 19234 (NAMUR)

All signal transmitter conductors are monitored for line fault. The transmitters operate contactless, i.e. there is no mechanical link between the trigger element and the signal transmitter. When a ferromagnetic material moves along the active switching surfaces of the signal transmitters, the transmitter generates an electric pulse which is fed to the direction detection unit. The 2 input pulses need to be shifted by 90° one with respect to the other and need to overlap by 90°.

This pulse sequence is analyzed by the direction detection unit and made available at the output in the form of a pulse. These output pulses can be set to a duration of 5 to 250 ms.

Specifications

Input frequency: ≤ 500 Hz

Temperaturr range: -25° C to +60° C

Operating voltage: 230 VAC, 115 VAC 48...60Hz, or 24VDC ±15%, 3.5 VA, 2.5W

Protection class: Casing IP 40, class IP 20

Casing material: Polycarbonate/ABS

Installation: On base plate or top hat rail DIN 50022

Dimensions: L 75 x W 55 x H 110 mm

Weight: AC version 350 g DC version 250 g

Terminal cross-section: 4 mm²

Input circuit:

2 NAMUR inputs according to DIN 19234

Voltage: 8.2 VDC

Internal resistance: 2.5 KΩ

Switching threshold: 1.55 V

Switching hysteresis: 0.2 V

Line fault monitoring: Display via LED and output on 1

Output circuit:

Delay: 5...250 ms

Photo MOS Relay 150 V AC/DC, 100mA

Resistance Ron 8 Ω

Relay

Contact rating: 300 VDC / 250 VAC, 8 A 50 W / 2000 AV

Optocoupler rating

Voltage: 80 V DC

Current: 100 mA

Voltage drop: ≤ 1.5 V at maximum current

Level switch product line TN 19L....

• Vertical installation at the outside

• Adjustable switching points

• Easily alteration of the function supplementary possible

• With visual display

• Contactless actuation

• Rugged, maintenance-free version

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressureless tanks.

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The level switch TN19 is flanged outside the tank. The dry reed contacts, casted in brass pipes and outside fitted at the float riser, are contactless actuated by a permanent magnet installed in a fload.

The level switch is extraordinarily suitable for low switching distance, because the contact cardridges can alternately be mounted opposite or side-by-side. The contacts are designed as stop switches and depending of the arrangement operate as NOC or NCC. By turning the contacts for 180° each can be converted from a normaly open contact (NOC) to a normally closed contact (NCC) or vice versa. A plexiglass pipe is mounted additionally parallel to the fload riser, in which the liquid level of the tank can be seen At ordering please state the length of required control are and the number of required level switch contact.

Technical data:

Length of immersion tube (L) 500 to 3000 mm contacts: random number - bistable

Working life: 109 switching operations

Ambient temperature:: -20º C to +85º C

Protection acc. to DIN 40050: IP 65

Immersion tube: brass

Float: PPH

Contacts bistable (potential free)

Function: two wire NO/NC switch capacity: max. 100W / 100 VA

max. switch current: max. 1,5 A

max. switch voltage: max. 250 V AC / DC

Example for ordering: wTN19L44 L=1000mm

Level switch product line TN 16.. 57.

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressure less tanks

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The inserted permanent magnet in the float actuates contactless bistable dry reed contacts. The contacts are fitted on a rail inside the float guide tube, marked in cm an are adjustable in high (min. space of the contacts min. 90 mm). After release of the adapter sleeve a fineadjustment is also possible. At pushing forward of the immersion tube in a longitudinal equally

By turning the contacts for 180° each can be converted from a normally open contact to a normally closed contact or vice versa. For a tank with turbulent flow a smoothing pipe for the float can be delivered if requested.

If requested a thermo-contact to monitor the flow temperature can be mounted.

Technical data:

Length of immersion tube (L) : 120 to 2000 mm

contacts: max. 5 contacts bistable

Working life: 109 switching operations

Ambient temperature:: -20º C to +85º C

Protection acc to

DIN 40050: IP 54

Connector housing: grey iron GG20

Immersion tube: brass

Float: brass

Contacts bistable

max. switch capacity: 100W / 100 VA

max. switch current: 1,5 A

max. switch voltage: 250 V AC / DC

If required:

Thermo-contact: NCC or NOC

state if ordering: 50°C, 56°C, 63°C, 71°C, 75°C, 80°C or 85°C

Level switch product line TN 01.. 58.

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressure less tanks

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The inserted permanent magnet in the float actuates contactless bistable dry reed contacts

The contacts are fitted on a rail inside the float guide tube, marked in cm an are adjustable in high (min. space of the contacts min. 90 mm). After release of the adapter sleeve a fine-adjustment is also possible. At pushing forward of the immersion tube in a longitudinal equally

By turning the contacts for 180° each can be converted from a normally open contact to a normally closed contact or vice versa. For a tank with turbulent flow a smoothing pipe for the float can be delivered if requested.

If requested a thermo-contact to monitor the flow temperature can be mounted.

Technical data:

Length of immersion tube (L) : 120 to 3000 mm contacts: max. 5 contacts bistable

Working life: 109 switching operations

Ambient temperature:: -20º C to +85º C

Protection acc. to DIN 40050: IP 54

Connector housing: grey iron GG20

Immersion tube: brass

Float: plastic

Contacts bistable

max. switch capacity: 100W / 100 VA

max. switch current: 1,5 A

max. switch voltage: 250 V AC / DC

If required:

Thermo-contact: NCC or NOC

state if ordering: 50°, 56°, 63°, 71°C, 75°C, 80°C or 85°C

Example for ordering: wTN01AK42/2071 L=1000

Level switch product line TN 02.. 59.

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressure less tanks

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The inserted permanent magnet in the float actuates contactless bistable dry reed contacts The contacts are fitted on a rail inside the float guide tube, marked in cm an are adjustable in high (min. space of the contacts min. 90 mm). After release of the adapter sleeve a fine-adjustment is also possible. At pushing forward of the immersion tube in a longitudinal equally

By turning the contacts for 180° each can be converted from a normally open contact to a normally closed contact or vice versa. For a tank with turbulent flow a smoothing pipe for the float can be delivered if requested. If requested a thermo-contact to monitor the flow temperature can be mounted

Technical data:

Length of immersion tube (L) : 120 to 5000 mm contacts: max. 5 contacts bistable

Working life: 109 switching operations

Ambient temperature:: -20º C to +85º C

Protection acc. to

DIN 40050: IP 54

Connector housing: grey iron GG20

Immersion tube: brass

Float: PPH

Contacts bistable

max. switch capacity: 100W / 100 VA

max. switch current: 1,5 A

max. switch voltage: 250 V AC / DC

If required:

Thermo-contact: NCC or NOC

state if ordering: 50°, 56°, 63°, 71°C, 75°C, 80°C or 85°C

Example for ordering: wTN02BK42/2071

Level switch product line wTN 18..

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressure less tanks.

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The inserted permanent magnet in the float actuates contactless bistable dry reed contacts The contacts are fitted on a rail inside the float guide tube, marked in cm an are adjustable in high (min. space of the contacts min. 90 mm). After release of the adapter sleeve a fine-adjustment is also possible. At pushing forward of the immersion tube in a longitudinal equally

By turning the contacts for 180° each can be converted from a normally open contact to a normally closed contact or vice versa. For a tank with turbulent flow a smoothing pipe for the float can be delivered if requested.

If requested a thermo-contact to monitor the flow temperature can be mounted.

Technical data:

Length of immersion tube (L): 120 to 5000 mm contacts: max. 5 contacts bistable Working life: 109 switching operations

Ambient temperature:: -20º C to +85º C

Protection acc to DIN 40050: IP 54

Connector housing: grey iron GG20

Immersion tube: brass

Float: plastic

Contacts bistable

max. switch capacity: 100W / 100 VA max. switch current: 1,5 A

max. switch voltage: 250 V AC / DC

If required:

Thermo-contact: NCC or NOC state if ordering: 50°, 56°, 63°, 71°C, 75°C, 80°C or 85°C

Example for ordering: wTN18AK44 L=1000mm

Level switch product line wTN 7

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressureless tanks.

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The inserted permanent magnet in the float actuates contactless monostable dry reed contacts. The contacts are fitted on a rail inside the float guide tube, marked in cm an are adjustable in height (min. space of the contacts min. 90 mm). After release of the adapter sleeve a fine-adjustment is also possible. At pushing forward of the immersion tube in a longitudinal equally.

For a tank with turbulent flow a smoothing pipe for the float can be delivered if requested.

Technical data:

Length of immersion tube (L): 240 to 500mm

contacts: max. 2 contact

Response time : max. 2 ms

Release time : max. 0.2 ms

Bounce time: max. 0.5 ms

Working life: 109 switching operations

Ambient temperature: -20º C to +85º C

Protection acc. to

DIN 40050: IP 54

Housing: grey iron GG20

Immersion tube: brass

Float: High-grade steel

Contacts potential free

No 4 NOC (normal open)

max. switch capacity: 100W / 100 VA

max. switch current: 1,5 A

max. switch voltage: 250 V AC / DC

• Vertical installation

• Easily alteration of the switch

• Function supplementary possible

• Contactess actuation

• Rugged, maintenance-free version

Example for ordering: wTN07BK51 L=300mm

No 5 change-over contact

max. switch capacity: 40W / 40 VA

max. switch current: 1,0 A

max. switch voltage: 250 V AC / DC

Level switch of Plastic PPH product line wTN 11

Application:

The maintenance-free level switch is used for monitoring the level of liquids in open or closed, pressure less tanks

It is nearly insensitive to external interferences and resistant to non-flammable hydraulic liquids.

Construction and Function:

The inserted permanent magnet in the float actuates contactless bistable dry reed contacts. The contacts are fitted on a rail inside the float guide tube, marked in cm an are adjustable in high (min space of the contacts min. 90 mm). After release of the adapter sleeve a fine-adjustment is also possible. At pushing forward of the immersion tube in a longitudinal equally.

By turning the contacts for 180° each can be converted from a normally open contact to a normally closed contact or vice versa. For a tank with turbulent flow a smoothing pipe for the float can be delivered if requested. If requested a thermo-contact to monitor the flow temperature can be mounted

Technical data:

Length of immersion tube (L): 120 to 5000 mm contacts: max. 5 contacts bistable

Working life: 109 switching operations

Ambient

temperature:: -20º C to +85º C

Protection acc to DIN 40050: IP 54

Connector housing: Plastic PPH

Immersion tube: Plastic PPH

Float: Plastic PPH

Contacts bistable

max. switch capacity: 100W / 100 VA

max. switch current: 1,5 A

max. switch voltage: 250 V AC / DC

TIEFENBACH GMBH

Beisenbruchstrasse 10

D - 45549 Sprockhövel www tiefenbach de

Tel : 0049 (0) 2324 705 - 4

Fax: 0049 (0) 2324.705 123

e.mail: info@tiefenbach.de

Level switch TN20

in flame-proof and explosion-proof version also marketable for intrinsically safe installations

• Lateral installation

• Small over-all height

• Contactless actuation

• Temperature control possible

• Rugged, maintenance-free version Technical

• Easily alteration of the switch function

Connection Housing: grey iron

Immersion Tube: brass

Float: stainless steel

Change-over contact

max. switch capacity: 60 W / 80 VA

max. switch current: 0,6 A

max. switch voltage: 250 V AC / DC

Thermo-contact: AC DC

max. switch capacity: 550W / 400VA 55W

max. switch current: 2,5 A (cos ϕ 1) 0,25 A

max. switch current: 1,6 A (cos ϕ 0,6)

acc. to DIN 40040: IP54

Example for ordering: wTN20BK51/271 Type

max. switch voltage: 250 V 50-60Hz 250V