User manual

Duo Installation Guide
MAN-DUOIG (Ver. 1.0)
A-8
A.6 Feedbacks
A.6.1 Incremental Encoder
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 single,
20 MHz quadrature
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 ns
Maximum encoder input voltage
range
Common mode: ±7V
Differential mode: ±7V
A.6.2 Feedback Supply Voltage
Feature Details
Encoder/Hall supply voltage 5V +5%
Maximum encoder supply current 200 mA (For the main encoder only)