Pilz PSEN enc s2 eCAM Manual do Utilizador descarregar pdf (Página 86)

Installation / Preparation for commissioning

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5.9 Incremental interface

To output the absolute position, the standard version of the measuring system also

has an incremental interface in addition to the SSI interface.

• The measuring system checks the outputs on this interface for external voltage

sources. The measuring system is shut down if voltages > 5.7 V arise. In this

state, the measuring system behaves as though it were not connected.

• The interface is generally used for position feedback on motor control

applications.

NOTICE

Risk of damage to subsequent electronics due to

overvoltages caused by a missing earth reference

point!

• If the earth reference point is missing entirely, e.g. 0 V

of the power supply is not connected, voltages equal

to the level of the supply voltage can occur at the

outputs of this interface.

•

n earth reference point must be guaranteed to be

present at all times.

5.9.1 Signal characteristic of the incremental interface

A corresponding number of pulses is output while completing a revolution. To

evaluate the count direction, a 2nd signal sequence with 90° phase offset is output for

the controller.

On the standard version, the incremental resolution of the measuring system is 4096

pulses / revolution. There is no zero pulse.

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Pilz PSEN enc s2 eCAM Manual do Utilizador Página 86