ElmoMC SimplIQ Digital Servo Drives-Drum HV - Manual (Page 79)

Drum HV (High Voltage) Installation Guide Technical Specifications
MAN-DRU-HVIG (Ver. 1.602)
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79
4.6.5. Auxiliary Feedback Port (Input Mode YA[4]= 2, 0)
Feature Details
Encoder input,
pulse and direction input • A, B, Index
• Differential
Input voltage V
In
Low: 0 V < V
IL
< 0.8 V
V
In
High: 2 V < V
IH
< 5 V
Maximum absolute voltage: 0 < V
In
< 5.5 V
Input current: ±1 µA
Available as options • Differential Buffered Encoder inputs
• Differential Buffered Pulse and Direction
inputs
Edge separation between A & B Programmable number of clocks to allow
adequate noise filtering at remote receiver
of emulated encoder signals
Index (marker): Length of pulse is one quadrature (one
quarter of an encoder cycle) and
synchronized to A&B
Figure 32: Auxiliary Feedback - Encoder Phase Diagram