Feedbacks, Feedback supply voltage, Feedback options – ElmoMC Gold Line Digital Servo Drives-Gold Solo Trombone User Manual

Page 97: Incremental encoder input, Feedback supply voltage 5.5.2. feedback options

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Gold Solo Trombone Installation Guide

Technical Specifications

MAN-G-SOLTROIG (Ver. 1.3)

www.elmomc.com

97

5.5. Feedbacks

5.5.1.

Feedback Supply Voltage

The Gold Solo Trombone has two feedback ports (Main and Auxiliary). The Gold Solo Trombone
supplies voltage only to the main feedback device and to the auxiliary feedback device if
needed.

Feature

Details

Encoder supply voltage

5 V ± 5% @ 2 x 200 mA (maximum)

5.5.2.

Feedback Options

The Gold Solo Trombone can receive and process feedback input from diverse types of devices.

5.5.2.1.

Incremental Encoder Input

Feature

Details

Encoder format

• A, B and Index
• Differential
• Quadrature

Interface

RS-422

Input resistance

Differential: 120 Ω

Maximum incremental encoder frequency

Maximum absolute: 75 Megacounts per
second (18 MHz on A/B)

Minimum quadrature input period (PIN)

53 nsec

Minimum quadrature input high/low period (PHL) 26 nsec

Minimum quadrature phase period (PPH)

13 nsec

Maximum encoder input voltage range

Common mode: ± 7 V
Differential mode: ± 7 V

Figure 39: Main Feedback - Encoder Phase Diagram

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