DIGIVEX Little Drive Servoamplifier
1
PVD 3530 GB 01/2005
CONTENTS
SAFETY INSTRUCTIONS ……………………………………………………………………………5
PRODUCT RANGE
2
1.
GENERAL 7
1.1
Digital Servodrive
7
1.2
General Characteristics
7
1.3
Operating Principle
8
1.3.1
Block diagram
8
1.3.2
Power supply functions
10
1.3.3
Servomotor control functions
10
1.3.3.1
Presentation 10
1.3.3.2
Functions and block diagram
10
1.3.3.3
Forcing logic inputs
12
1.3.3.4
Stimuli / oscilloscope functions
12
1.3.3.5
Speed ramp function
12
1.3.3.6
logic outputs
14
1.3.3.7
Brake action
14
1.3.3.8
Monitoring reasons for stoppage
15
1.3.3.9
General characteristics of the DIGIVEX Little Drive
15
1.4
Compliance with Standards
16
2.
ENERGY DISSIPATION
17
2.1
Braking Energy Dissipation
17
2.1.1
Calculating the power to be dissipated in the braking resistor
17
2.1.2
Braking energy dissipation
17
2.1.3
Braking capacity and module losses.
18
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