Elmo Computer Hardware 1.1 User Manual download pdf (Page 65)

A.6.2.6 Potentiometer

Feature Details

Potentiometer Format Single-ended

Operating Voltage Range 0 ~ 5 V supplied by the Guitar

Potentiometer Resistance 100 Ω ~ 1 kΩ … above this range, linearity is

affected detrimentally

Input Resistance 100 kΩ

Resolution 14 bit

A.6.3 Auxiliary Feedback Port (output mode YA[4]= 4)

Feature Details

Emulated output

 A, B, Index

 Single ended

Output current capability Maximum output current: I

(max) = 2 mA

High level output voltage: V

> 3.0 V

Minimum output current: I

= 2 mA

Low level output voltage: V

< 0.4 V

Available as options

 Emulated encoder outputs of analog encoder

 Emulated encoder outputs of the resolver

 Emulated encoder outputs of the tachometer

 Emulated encoder outputs of the potentiometer

Maximum frequency f

MAX

: 5 MHz pulses/output

Edge separation between A & B

Programmable number of clocks to allow adequate

noise filtering at remote receiver of emulated

encoder signals

Index (marker): Length of pulse is one quadrature (one quarter of

an encoder cycle) and synchronized to A&B

Figure A-2: Auxiliary Feedback - Encoder Phase Diagram

Guitar Installation Guide Guitar Technical Specifications

MAN-GUIIG (Ver. 1.1)

A-10

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Elmo Computer Hardware 1.1 User Manual Page 65