Digital halls, Interpolated analog (sine/cosine) encoder – ElmoMC ExtrIQ Digital Servo Drives-Falcon User Manual

Page 65

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Falcon Installation Guide

Technical Specifications

MAN-FALIG (Ver. 1.502)

www.elmomc.com

65

4.7.3.

Digital Halls

Feature

Details

Halls inputs

H

A

, H

B

, H

C

.

Single ended inputs

Built in hysteresis for noise immunity.

Input voltage

Nominal operating range: 0 V < V

In_Hall

< 5 V

Maximum absolute: -1 V < V

In_Hall

< 15 V

High level input voltage: V

InHigh

> 2.5 V

Low level input voltage: V

InLow

< 1 V

Input current

Sink current (when input pulled to the common): 3 mA
Source current: 1.5 mA (designed to also support open
collector Halls)

Maximum frequency

f

MAX

: 2 kHz

4.7.4.

Interpolated Analog (Sine/Cosine) Encoder

Feature

Details

Analog encoder format

Sine and Cosine signals

Analog input signal level

Offset voltage: 2.2 V – 2.8 V

Differential, 1 V peak to peak

Input resistance

Differential 120 Ω

Maximum analog signal frequency

f

MAX

: 250 kHz

Interpolation multipliers

Programmable: x4 to x4096

Maximum “counts” frequency

80 megacounts/sec “internally”

Automatic errors correction

Signal amplitudes mismatch
Signal phase shift
Signal offsets

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