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Disturbances, Maintenance, Cleaning

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9.3

Maintenance

The device is maintenance-free.

9.4

Cleaning

WARNING!

The device can only be cleaned with a damp cloth, do not use aggressive cleanser!

Содержание EMSC2 Series

Страница 1: ...ompact incremental magnetic sensors with integrated evaluation circuit and speed proportional sine cosine outputs EMSC 2 mm measurement movement 1 signal period LMSC 5 mm measurement movement 1 signal period Distance to magnetic tape max 0 8 mm EMSC max 2 mm LMSC Non contact and wear free magnetic measuring principle Suitable for linear and radial measurement applications 799000855 Rev 0 2018 12 1...

Страница 2: ...Str 1 D 78239 Rielasingen Worblingen Technical Support 49 0 7731 9339 0 49 0 7731 2 13 11 info elgo de Document No 799000855 Document Name EMSC LMSC2 000 MA E_51 18 Document Revision Rev 0 Issue Date 2018 12 18 Copyright 2018 ELGO Electronic GmbH Co KG ...

Страница 3: ...f Transport 7 4 11 Storage 7 5 Product Features 8 5 1 Functional Principle 8 5 2 Magnetic Tape Variants 8 5 3 Representation of the Waveforms 9 6 Technical Data 10 6 1 Identification 10 6 2 Dimensions Sensor 10 6 3 Technical Data of the Sin Cos Output Signals 10 6 4 Technical Data Sensor 11 6 5 Technical Data Magnetic Tape 12 7 Installation and First Start Up 13 7 1 Operating Area 13 7 2 Installat...

Страница 4: ...9 Figure 4 Dimensions Sensor 10 Figure 5 Alignment of the Sensor 14 Figure 7 Mounting Tolerances 15 Figure 5 Components of the magnetic tape 16 Figure 6 Handling 17 3 List of Tables Table 1 Mounting tolerances 15 Table 2 Resistance against chemical influence 18 Table 3 Pin Assignment open cable ends 19 Table 4 Pin assignment Option D1 9 pin D SUB plug ELGO standard 19 Table 5 Accessories 22 ...

Страница 5: ...er to avoid accidents damage and injuries Warning notes DANGER This symbol in connection with the signal word Danger indicates an immediate danger for the life and health of persons Failure to heed these instructions can result in serious damage to health and even fatal injury WARNING This symbol in connection with the word Warning means a possibly impending danger for the life and health of perso...

Страница 6: ...device if you have understood the operating manual The operating company is obliged to take appropriate safety measure The initial operation may only be performed by qualified and trained staff Selection and installation of the devices as well as their embedding into the controlling system require qualified knowledge of the applicable laws and normative requirements on the part of the machine manu...

Страница 7: ...ions for Transport Unpacking and Loading CAUTION Transport the package box palette etc professionally Do not throw hit or fold it 4 9 Handling of Packaging Material Notes for proper disposal 4 4 4 10 Inspection of Transport Check the delivery immediately after the receipt for completeness and transport damage In case of externally recognizable transport damages Do not accept the delivery or only a...

Страница 8: ...magnetic incremental encoders consists of a scanning technology which scans the north and south poles on the coded magnetic tape and produces a single Sine Cosine wave for each pole Depending on refinement of the interpolation together with the pole distance of the magnetic tape the resolu tion of the measuring system is determined The evaluation circuit prepare the signals accordingly and output ...

Страница 9: ...aveforms 5 3 1 Example of a follow up circuit Figure 3 Example of a follow up circuit cos cos Um cos Signal voltages Mechanical angle ᵠ sin sin Um sin Differential signal cos cos Differential signal sin sin 0 Signal voltages Mechanical angle ᵠ 0 Distance Distance A A A A 120 Ω R1 R1 R1 R1 ...

Страница 10: ...ype label contains a unique traceable device number When corresponding with ELGO please always indicate this data 6 2 Dimensions Sensor Figure 4 Dimensions Sensor 6 3 Technical Data of the Sin Cos Output Signals Parameter Designation min typ max Unit Medium voltage Um sin Um cos 2 4 2 5 2 6 V Amplitude sin sin cos cos 400 500 600 mV Ratio sin sin cos cos 0 9 1 0 1 1 Phase shift φ 89 90 91 Degrees ...

Страница 11: ...rpolation rates 200 Basic pole pitch EMSC 2 mm LMSC 5 mm Maximum measuring length theoretically unlimited Connections standard open cable ends optional 9 pin D SUB connector Sensor cable standard length 1 5 m others on request Weight ca 35 g without cable cable approx 60 g m Electrical Data Power supply voltage 5 VDC 25 mV Current consumption max 120 mA Output signals SIN COS SIN COS Output levels...

Страница 12: ...l carrier tape precision strip 1 4310 X10CrNi 18 8 EN 10088 3 Double faced adhesive tape 3M 9088 observe instructions others on request Dimensions with carrier tape without adhesive tape 10 mm 0 1 x 1 35 mm 0 11 with carrier tape adhesive tape without protection foil 10 mm 0 1 x 1 56 mm 0 13 with carrier tape adhesive tape protection foil 10 mm 0 1 x 1 63 mm 0 14 Length expansion coefficient 16 x ...

Страница 13: ... not be installed close to sources of strong inductive or capacitive interference or strong electrostatic fields CAUTION The electrical connections must be made by suitably qualified personnel in accordance with local regulations The device may be designed for switchboard mounting During work on the switchboard all components must be de energized if there is a danger of touching the energized part...

Страница 14: ... the magnetic tape This is achieved in a simple manner and without additional equipment Just use the correct side of the sensor see fig ure below and install it flush with the magnetic tape Figure 5 Alignment of the Sensor 5 Marker Magnetic tape top view EMSC 0 1 0 8 mm LMSC 0 1 2 0 mm 7 5 12 5 12 5 17 5 Cable outlet The entire active sensor surface must be installed within the permitted distance ...

Страница 15: ...1 Mounting tolerances Tolerances Sensor distance to the tape EMSC 0 1 max 0 8 mm LMSC 0 1 max 2 0 mm Pitch longitudinal The maximum sensor distance must not be exceeded at any position Pitch lateral 0 5 Yaw angle 0 5 Offset lateral 2 5 mm Figure 6 Mounting Tolerances Sensor distance Pitch lateral Pitch longitudinal Offset lateral D Yaw angle 0 5 2 5 mm EMSC 0 1 0 8 mm LMSC 0 1 2 0 mm EMSC max 0 8 ...

Страница 16: ...pective mounting surface The magnetic tape consists of 2 pre assembled components A magnetized flexible plastic tape Pos 3 which is connected with a magnetically conductive steel tape as inference band Pos 4 and is supplied with an adhesive tape Pos 5 A magnetized permeable cover tape Pos 1 which serves for the mechanical protection of the plastic tape not required for the measurement and is suppl...

Страница 17: ...ressure is 4 5 kg cm2 Gluing temperature The optimal gluing temperature is between 18 C and 30 C Avoid colder sticking sur faces than 10 C because in this case the adhesive becomes too hard and perhaps a sufficient immediate adhesion is hardly to achieve After proper sticking the stability of the connection is ensured also when the tem perature is below zero The final tackiness of a sticking is fr...

Страница 18: ...er tape under great pressure 8 Safeguard the ends of the cover tape against peeling off e g by using end caps 10 1 7 3 1 Resistance against Chemical Influence Table 2 Resistance against chemical influence Show no or little effect in constant contact after 2 5 years formic acid glycerol 93 C linseed oil soy beans oil cotton seed oil N hexane lactic acid formaldehyde 40 Iso octane petroleum Show wea...

Страница 19: ...een shield earth Table 4 Pin assignment Option D1 9 pin D SUB plug ELGO standard Drawing Pin Function Description 9 poliger D SUB Lötseite 1 GND 0 VDC 2 VCC 5 VDC 3 SIN sine positive 6 SIN sine negative 8 COS cosine positive 9 COS cosine negative 4 N C not connected 5 N C not connected 7 N C not connected housing PE screen shield earth REMARK The lines for SIN SIN and COS COS must be terminated on...

Страница 20: ...s occur in spite of all the items stated above being observed please proceed as follows 1 Installation of RC circuits via contactor coils of AC contactors e g 0 1 µF 100 Ω 2 Installation of recovery diodes via DC inductors 3 Installation of RC circuits via the different motor phases in the terminal box of the motor 4 Do not connect protective earth and ground 5 Connect a mains filter ahead of the ...

Страница 21: ...Disturbances Maintenance Cleaning 21 9 3 Maintenance The device is maintenance free 9 4 Cleaning WARNING The device can only be cleaned with a damp cloth do not use aggressive cleanser ...

Страница 22: ... magnetic tape FS 1500 for example corresponds to a rail length of 1 5 m The rails are available up to 2 0 m length For larger meas uring distances the guide rails can be mounted end to end FW2070 Guide carriage for EMSC2 LMSC2 AP1 0 Cover profile for magnetic tapes aluminium length 1 m Please indicate the desired measuring length in XX X meters X MSC 2 01 5 Measuring System EMSC for MB20 20 pole ...

Страница 23: ...f the Magnetic Tape 16 Installation of the Sensor 14 Magnetic tape structure 12 Magnetic Tape Variants 8 Maintenance 20 21 Mounting Tolerances 15 Operating area 13 Operational safety 5 Order reference 10 Packaging material 7 Product features 8 Protection against contact 13 Protective equipment 6 Representation of the Waveforms 9 Resistance against chemical influence 18 Safety 5 6 Safety instructio...

Страница 24: ...EMSC LMSC2 000 MA E_51 18 Subject to change 2018 ELGO Electronic GmbH Co KG ELGO Electronic GmbH Co KG Measuring Positioning Control Carl Benz Str 1 D 78239 Rielasingen Fon 49 0 7731 9339 0 Fax 49 0 7731 28803 Internet www elgo de Mail info elgo de ...

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