ElmoMC SimplIQ Digital Servo Drives-Whi-Trio Installation Guide - Manual (Page 48)

Control inputs PLC or +5V level
.23 Feedbacks
.23.1 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 nsec
Maximum encoder input voltage
range
Common mode: ±7 V
Differential mode: ±7 V
.23.2 Feedback Supply Voltage
Feature Details
Encoder/Hall supply voltage 5 V +5%
Maximum encoder supply current 200 mA (For the main encoder only)