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About encoders (general) - 10 / 18 Pages

Encoder technologyEncoder technologyEncoder technologyEncoder technologyEncoder technology

Potential sources causing interference.
Permissible bending radius for standard cables. When using multiturn encoders in electromagnetic fieldsgreater than 30 mT, please consult Leine & Linde.Both the cable shielding, the metal housings of encodersand subsequent electronics have a shielding function. It isrecommended that the housings have the same potentialand are connected to the main signal ground over the
machine chassis or by means of a separate potential comp-ensating line. Potential compensating lines should have aminimum cross section of 6 mm >
2 (Cu). >


The permissible cable lengths listed apply only for Leine &Linde cables and the recommended input circuitry of the
subsequent electronics.The cable type is normally polyurethane, PUR cables orPVC depending on encoder model. PUR cables are resistant
to oil, hydrolysis and microbes in accordance with VDE0472 and most cables comply with UL safety directives.Standard Leine & Linde cables can be used in a rigidconfiguration between 40 to 85ְC and in frequent flexingbetween 10 to 85ְC. High-temperature cables are avail-able upon request and shall be used when the permissibletemperature of the encoder exceed 85C. >

Bending radiusBending radiusBending radiusBending radiusBending radius

The permissible bending radius R depends on the cabletype, the configuration (flexible or rigid installation) andsurrounding temperature. Normative values for standardcables are shown in the picture below. >


About encoders (general)
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    Encoder MEASURING PRINCIPLES Leine & Linde encoders based on optical scanning incorporate measuring standards of periodic structures known...
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    Encoder technology Resolution, Line count and Pulse rate The resolution, line count or pulse rate are just different designations of the number...
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    Encoder technology Channel separation on incremental encoders The specification of accuracy also includes the term channel separation, which is...
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    Encoder technology sufficient (such as when the encoders are mounted vertically), additional labyrinth seals should be provided. The sealing rings...
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    Encoder technologyEncoder technologyEncoder technologyEncoder technologyEncoder technology speed. Therefore, the actual operating temperature shouldbe...
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    Interfaces INCREMENTAL INTERFACES h. A TTL electronics / RS-422 S00 > Incremental TTL-signals are transmitted...
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    Interfaces Interface HTL or HC-HTL Incremental signals S00, S90 (optional S00, S90) Reference mark Pulse width Delay time Sref...
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    Interfaces One of the advantages of serial transmission is that installation costs less; fewer wires means less work and less documentation. There...
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    Interfaces Interface EnDat Clock frequency fc 100 kHz ... 2 MHz (optional up to 16 MHz) Calculation time for Position value ...
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    Interfaces ENCODER SUBSEQUENT ELECTRONICS ...A X DATA > RS^85 id -1— J-ov C3T DATA...
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Text version

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