ElmoMC SimplIQ Digital Servo Drives-Cello Installation Guide - Manual (Page 63)

Cello Installation Guide Technical Specifications
MAN-CELIG (Ver. 1.602)
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63
4.7 Feedbacks
The Cello can receive and process feedback input from diverse types of devices.
4.7.1 Feedback Supply Voltage
Feature Details
Main encoder supply voltage 5 V ±5% @ 200 mA maximum
Auxiliary encoder supply voltage 5 V ±5% @ 200 mA maximum
4.7.2 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: 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 27: Encoder Phase Diagram