Elmo DBP SERIES manual 3.3Sensors specification, 3.3.1Encoder, 3.3.2Resolver

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3.3Sensors specification

3.3.1Encoder

The encoder must be incremental with two TTL channels in quadrature and 90 ° phase shift.

High/Low input definition: Vil<1.5V, Vih>3V

Input voltage range: 0-15V

Input hysteresis 1.5V

Input impedance: 1Kohm to 5V.

Maximum frequency main encoder: 150KHz

Maximum frequency auxiliary encoder: 250KHz

Noise protection by analog and digital filters

When left open the input is internally pulled to high level.

3.3.2Resolver

Resolver Option Feature:

*10,12,14 and 16 bit resolution set by the user.

*Maximum tracking rate 1040 rps (10 bits).

*Velocity output.

*Encoder A, B, outputs + programmable index output.

Reference parameters:

Max. voltage: 20Vptp or 7Vrms

Minimum output voltage: 2Vrms

Max. current: 80mA

Max frequency: 20KHz outputs:

DBP - Rev 6/93