ElmoMC SimplIQ Digital Servo Drives-Trombone Installation Guide - Manual (Page 74)

Trombone Installation Guide Technical Specifications
MAN-TROIG (Ver. 1.403)
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4.6. Feedbacks
The Trombone can receive and process feedback input from diverse types of devices.
4.6.1. Feedback Supply Voltage
The Trombone has two feedback ports (Main and Auxiliary). It supplies voltage to the Main
feedback device, and to the Auxiliary feedback device if needed.
Feature Details
Main encoder supply voltage 5 V ±5% @ 200 mA maximum
Auxiliary encoder supply voltage 5 V ±5% @ 200 mA maximum
4.6.2. Main Feedback Options
4.6.2.1. 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: 5 MHz pulses
Minimum quadrature input period (P
IN
) 112 nsec
Minimum quadrature input high/low period (P
HL
) 56 nsec
Minimum quadrature phase period (P
PH
) 28 nsec
Maximum encoder input voltage range Common mode: ±7 V
Differential mode: ±7 V
Figure 38: Main Feedback - Encoder Phase Diagram