Backup Supply (Optional; Control Specifications; Current Loop - Elmo Cello Installation Manual

Digital servo drive
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Cello Installation Guide
MAN-CELIG (Ver. 1.5)
A.5.1

Backup Supply (Optional)

Feature
Auxiliary power supply
Auxiliary supply input voltage
Auxiliary supply input power
Note: The Cello can operate without a 24 Volt back-up power supply.
A.6

Control Specifications

A.6.1

Current Loop

Feature
Controller type
Compensation for bus voltage
variations
Motor types
Current control
Current loop bandwidth
Current sampling time
Current sampling rate
Details
DC source only
24 V +20%
10 W
Details
Vector, digital
"On-the-fly" gain scheduling
AC brushless (sinusoidal)
DC brushless (trapezoidal)
DC brush
Linear motors
Moving coils
Fully digital
Sinusoidal with vector control
Programmable PI control filter based on a
pair of PI controls of AC current signals and
constant power at high speed
< 2.5 kHz
Programmable 70 - 100 μsec
Up to 16 kHz; default 11 kHz
Technical Specifications
A-6

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