Digital halls, Interpolated analog encoder (sine/cosine) – ElmoMC SimplIQ Digital Servo Drives-Bell Installation Guide User Manual

Page 51

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Bell Installation Guide

Bell Technical Specifications

MAN-BELIG (Ver. 1.302)

|

www.elmomc.com

51

Table of Contents

4.5.2.2.

Digital Halls

Feature

Details

Halls inputs

H

A

, H

B

, H

C

.

Single ended inputs

Built in hysteresis of 1 V 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 support open
collector Halls as well)

Maximum frequency

f

MAX

: 3 kHz

4.5.2.3.

Interpolated Analog Encoder (Sine/Cosine)

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

: 400 kHz

Interpolation multipliers

Programmable: x4 to x2048

Maximum “counts” frequency

100 mega-counts/sec “internally”

Automatic error correction

Signal amplitudes mismatch
Signal phase shift
Signal offsets

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