Elmo Guitar Digital Servo Drive Benutzerhandbuch
Feature Details
Position sampling time
280 - 400
µsec (4x current loop sample time)
Position sampling rate
Up to 4 kHz; default 2.75 kHz
A.6 Feedbacks
A.6.1 Feedback Supply Voltage
The Guitar has two feedback ports (Main and Auxiliary). The Guitar supplies voltage only
to the main feedback device and to the auxiliary feedback device if needed.
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
A.6.2 Main Feedback Options
A.6.2.1 Incremental Encoder Input
Feature Details
Encoder format
A, B and Index
Differential
Quadrature
Differential
Quadrature
Interface
RS-422
Input resistance
Differential: 120
Ω (TBD)
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
Guitar Installation Guide
Guitar Technical Specifications
MAN-GUIIG (Ver. 1.1)
A-7