ElmoMC AC Input Digital Servo Drives-Bassoon Cable Kit - Manual (Page 64)

Cornet Installation Guide Technical Specifications
MAN-CORIG (Ver. 1.502)
www.elmomc.com
64
1.22. Feedbacks
The Cornet can receive and process feedback input from diverse types of devices.
1.22.1. 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
1.22.2. 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 29: Encoder Phase Diagram