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DMC-3425 Contents • i
Contents
Contents i
Chapter 1 Overview 1
Introduction ...............................................................................................................................1
Overview of Motor Types..........................................................................................................2
Standard Servo Motors with +/- 10 Volt Command Signal.........................................2
Stepper Motor with Step and Direction Signals ..........................................................2
Brushless Servo Motor with Sinusoidal Commutation................................................2
DMC-3425 Functional Elements...............................................................................................4
Microcomputer Section ...............................................................................................4
Motor Interface............................................................................................................4
Communication ...........................................................................................................4
General I/O..................................................................................................................5
System Elements .........................................................................................................5
Motor...........................................................................................................................5
Amplifier (Driver).......................................................................................................5
Encoder........................................................................................................................6
Watch Dog Timer........................................................................................................6
Chapter 2 Getting Started 7
The DMC-3425 Motion Controller............................................................................................7
Elements You Need...................................................................................................................8
Installing the DMC-3425 Controller..........................................................................................8
Step 1. Determine Overall Motor Configuration........................................................9
Step 2. Configuring Jumpers on the DMC-3425 .........................................................9
Step 3. Connecting AC or DC power and the Serial Cable to the DMC-3425..........11
Step 4. Installing the Communications Software.......................................................12
Step 5. Establishing Communication between the DMC-3425 and the host PC .......12
Step 6. Set-up axis for sinusoidal commutation (optional).......................................17
Step 7. Make connections to amplifier and encoder..................................................17
Step 8a. Connect Standard Servo Motor...................................................................19
Step 8b. Connect brushless motor for sinusoidal commutation................................23
Step 8c. Connect Step Motors ...................................................................................26
Step 9. Tune the Servo System..................................................................................27
Step 10. Configure the Distributed Control System ..................................................28
Design Examples .....................................................................................................................32
Example 1 - System Set-up .......................................................................................32
Example 2 - Profiled Move .......................................................................................32
Example 3 - Position Interrogation............................................................................32
Example 4 - Absolute Position..................................................................................32