Feedbacks, Feedback supply voltage, Incremental encoder input – ElmoMC ExtrIQ Digital Servo Drives-Falcon User Manual
Page 64
Falcon Installation Guide
Technical Specifications
MAN-FALIG (Ver. 1.502)
64
4.7. Feedbacks
The Falcon 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