ATech Machine ZETA-02 A Guía de instalación descargar pdf (Pagina 32)

26 z ZETA6104 Installation Guide

Optimizing System Performance (OPTIONAL)

The ZETA6104 is equipped with three damping circuits that minimize resonance and ringing,

and thus enhance stepper performance:

The ZETA6104

automatically

switches between

the damping

circuits, based

upon the motorÕs

speed.

¥ Anti-Resonance Ð General-purpose damping circuit. The ZETA6104 ships from the

factory with anti-resonance enabled (see DAREN command). No configuration is necessary.

Anti-resonance provides aggressive and effective damping at speeds greater than 3

revolutions per second (rps). If you are using a high-inductance motor (not applicable to

ZETA, OS or RS motors), you should disable anti-resonance with the DAREN¯ command.

¥ Active Damping Ð Extremely powerful damping circuit at speeds greater than 3 rps.

The ZETA6104 ships from the factory with active damping disabled. To enable active

damping and optimize it for a specific motor size and load, refer to the Configuring

Active Damping procedure below.

¥ Electronic Viscosity Ð Provides passive damping at lower speeds (from rest to 3 rps).

The ZETA6104 ships with electronic viscosity disabled. To enable electronic viscosity

and optimize it for a specific application, refer to the Configuring Electronic Viscosity

procedure below.

For a theoretical discussion about these three circuits and how they minimize resonance and

ringing, refer to Appendix A.

NOTE: You need to "match the motor to the ZETA6104Ó before you can configure active

damping or electronic viscosity. Refer to the matching procedure on page 22.

Configuring Active Damping

Before You Start

¥ Couple the motor to the load (see pages 24-25 for details). Active damping must be

configured under the normal mechanical operating conditions for your application.

¥ Record the setup command settings. The procedure below helps you identify the

appropriate set-up commands (DMTIND, DMTSTT, and DACTDP) that will prepare your system

for optimized performance. These commands are saved in non-volatile memory. However,

you may still want to record these values so you can later place them in a set-up program (a

set-up program executes user-specified commands that establish power-up operational

defaults for your application). Page 31 shows an example of how to place these commands

in a set-up (STARTP) program.

Step 1

Verify correct motor-to-ZETA6104 matching. See Matching the Motor to the

ZETA6104 on page 22. To be fully effective, the active damping circuit requires proper

matching. If you are replacing a component (new ZETA6104 or motor in an existing

application), you must rematch your system.

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ATech Machine ZETA-02 A Guía de instalación Pagina 32

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