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Galil DMC-3425 user manual Design Examples, Example 1 System Set-up, Example 2 Profiled Move

Models: DMC-3425

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Design Examples

Here are a few examples for tuning and using your controller. These examples are shown for a single axis system only, but can be modified to test up to 8 axes within a distributed control network. See Chapter 6 Programming Motion for more examples of multi-axis programming.

Example 1 - System Set-up

This example assigns the system filter parameters, error limits and enables the automatic error shut-off.

Instruction

Interpretation

KP 10

Set proportional gain

KD 100

Set damping

KI 1

Set integral

OE 1

Set error off

ER 1000

Set error limit

Example 2 - Profiled Move

Objective: Rotate a distance of 10,000 counts at a slew speed of 20,000 counts/sec and an acceleration and deceleration rates of 100,000 counts/s2.

Instruction

Interpretation

PR 10000

Distance

SP 20000

Speed

DC 100000

Deceleration

AC 100000

Acceleration

BGA

Start Motion

In response, the motor turns and stops.

Example 3 - Position Interrogation

The position of the A axis may be interrogated with the instruction

TPA

Tell position

which returns the position of the main encoder.

The position error, which is the difference between the commanded position and the actual position can be interrogated by the instructions

TEA

Tell error

Example 4 - Absolute Position

Objective: Command motion by specifying the absolute position.

Instruction

Interpretation

DP 0

Define the current position as 0

PA 7000

Sets the desired absolute position

BGA

Start motion on A axis

32 • Chapter 2 Getting Started

DMC-3425

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Galil DMC-3425 Design Examples, Example 1 System Set-up, Example 2 Profiled Move, Example 3 Position Interrogation
Page 39 Page 41

DMC-3425 specifications

The Galil DMC-3425 is a sophisticated motion controller known for its versatility and high performance in various industrial applications. Designed primarily for multi-axis control, it is well-suited for robotics, CNC machinery, and automated manufacturing systems.

One of the standout features of the DMC-3425 is its ability to control up to 32 axes simultaneously, providing unparalleled flexibility for complex motion tasks. This capability is enhanced by its advanced motion algorithms that ensure smooth and precise movements, essential for high-quality manufacturing and assembly processes. The controller supports a variety of motor types, including servo, stepper, and brushless motors, making it compatible with a wide range of existing equipment.

In terms of connectivity, the DMC-3425 offers an extensive selection of communication options. It supports Ethernet, RS-232, and RS-485 interfaces, allowing for seamless integration with various industrial networks, including EtherCAT and CANopen. This connectivity is vital for real-time data exchange and remote monitoring, enhancing overall system efficiency.

The controller is powered by Galil's innovative software architecture, which includes the DMC programming language. This user-friendly language enables engineers to create complex motion profiles easily, with support for trajectory generation, coordinate transformations, and PID control. The DMC-3425 also features built-in commands for motion profiling, including linear and circular interpolation, allowing for sophisticated path planning.

Moreover, the DMC-3425 comes equipped with an integrated programming environment that facilitates rapid application development. Users can simulate motion profiles before implementation, reducing downtime and minimizing errors. This environment is designed for quick learning, making it accessible even for those new to motion control.

Additionally, the Galil DMC-3425 features a robust safety architecture. It includes over-temperature detection, emergency stop inputs, and configurable limits for position and speed, ensuring safe operation in various environments.

Overall, the Galil DMC-3425 is a powerful and flexible motion controller that combines advanced technologies with user-friendly design. Its ability to handle multiple axes, extensive connectivity options, and comprehensive programming environment make it a top choice for manufacturers seeking to enhance automation and improve productivity in their operations.