ElmoMC Gold Line Digital Servo Drives-Gold Drum HV - Manual (Page 90)

Gold Drum HV Installation Guide (EtherCAT and CAN) Technical Specifications
MAN-G-DRUMHVIG-EC (Ver. 1.202)
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90
Table of Contents
5.4. Feedbacks
5.4.1. Feedback Supply Voltage
The Gold Drum HV (High Voltage) has two feedback ports (Main and Auxiliary). The Gold Drum
HV (High Voltage) supplies voltage only to the main feedback device and to the auxiliary
feedback device if needed.
Feature Details
Encoder supply voltage 5 V ± 5% @ 2 x 200 mA (maximum)
5.4.2. Feedback Options
The Gold Drum HV (High Voltage) can receive and process feedback input from diverse types of
devices.
5.4.2.1. 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: 75 Megacounts per
second (18 MHz on A/B)
Minimum quadrature input period (PIN) 53 nsec
Minimum quadrature input high/low period
(PHL) 26 nsec
Minimum quadrature phase period (PPH) 13 nsec
Maximum encoder input voltage range Common mode: ± 7 V
Differential mode: ± 7 V
Figure 40: Main Feedback - Encoder Phase Diagram