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Resolver, Tachometer, Resolver 4.7.6. tachometer – ElmoMC SimplIQ Digital Servo Drives-Whistle DC Installation Guide User Manual

Page 59

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DC Whistle Installation Guide

Technical Specifications

MAN-DCWHIIG (Ver. 1.101)

www.elmomc.com

59

4.7.5.

Resolver

Feature

Details

Resolver format

Sine/Cosine
Differential

Input resistance

Differential 2.49 kΩ

Resolution

Programmable: 10 to 15 bits

Maximum electrical frequency (RPS)

512 revolutions/sec

Resolver transfer ratio

0.5

Reference frequency

1/Ts (Ts = sample time in seconds)

Reference voltage

Supplied by the DC Whistle

Reference current

Up to ±50 mA

4.7.6.

Tachometer

*

Feature

Details

Tachometer format

Differential

Maximum operating differential voltage for TAC1+, TAC1-

± 20 V

Maximum absolute differential input voltage for TAC1+, TAC1-

± 25 V

Maximum operating differential voltage for TAC2+, TAC2-

± 50 V

Maximum absolute differential input voltage for TAC2+, TAC2-

± 60 V

Input resistance for TAC1+, TAC1-

46 kΩ

Input resistance for TAC2+, TAC2-

100 kΩ

Resolution

14 bit

* Only one Tachometer port can be used at a time (either TAC1+/TAC1- or TAC2+/TAC2-).
TAC1+/TAC1- is used in applications with having a Tachometer of less than 20 V.
TAC2+/TAC2- is used in applications with having a Tachometer of between 20 V and 50 V.