ElmoMC SimplIQ Digital Servo Drives-Trombone DC - Manual (Page 75)

DC Trombone Installation Guide Technical Specifications
MAN-DCTROIG (Ver. 1.601)
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4.7. Feedbacks
4.7.1. Feedback Supply Voltage
The DC Trombone has two feedback ports (Main and Auxiliary). The DC Trombone supplies
voltage to the main feedback device and to the auxiliary feedback device if needed.
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. Main Feedback Options
4.7.2.1. 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 absolute: 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 32: Main Feedback - Encoder Phase Diagram