Feedbacks, Incremental encoder, Feedback supply voltage – ElmoMC SimplIQ Digital Servo Drives-Whistle DC Installation Guide User Manual
Page 57: Digital halls

DC Whistle Installation Guide
Technical Specifications
MAN-DCWHIIG (Ver. 1.101)
57
4.7. Feedbacks
The DC Whistle can receive and process feedback input from diverse types of devices.
4.7.1.
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: ±7 V
Differential mode: ±7 V
4.7.2.
Feedback Supply Voltage
Feature
Details
Encoder/Hall supply voltage
5 V ±5%
Maximum encoder supply current
200 mA (For the main encoder only)
4.7.3.
Digital Halls
Feature
Details
Halls inputs
HA, HB, HC