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Stepping motor drive open-frame SAC 25
( 24 - 50 VAC 1.7 - 3.0 Amp ) with AMP connectors

Introduction

► Series of ministep bipolar chopper drives, suitable for driving medium power two-phase stepping motors, with four, six or eight terminals.
► Compact, easy to use and cost effective solution. This system is designed for easy mounting inside a metallic electrical cabinet.
► Equipped with power supply and particularly suitable for stand-alone applications (AC input).
► Target: medium and medium-low power applications without special configuration requirement, but needing great dynamic performance, high reliability, low acoustic noise and mechanic vibrations reduction .

HIGHLIGHTS

► Microstepping function up to 4.000 step/rev.
► Electronic damping facility for further acoustic noise and mechanic vibrations reduction at low and medium speed.
► Separated connectors for logic signals and power connections.
► Optoinsulated and differential input and output signals ease interfacing with the most commonly used control systems.

TECHNICAL SPECIFICATIONS

► Version: open frame drive in 101 x 125 x 35 mm, equipped with AMP connectors.
► Range of operating voltages: 24-50 VAC.
► Range of current: 1,7-3,0 Amp. Setting up to four possible values by means of dip-switches.
► Microstepping: 400, 800, 1.600, 3.200 and 500, 1.000, 2.000, 4.000 steps /revolution. Setting by means of dip-switches.
► Automatic current reduction at motor standstill.
► Protections:
-Protection against under-voltage and over-voltage.
-Protection against a short-circuit at motor outputs.
-Overtemperature protection with thermal sensor.
► Optoinsulated inputs compatible with differential control signals.
► Possibility to switch off motor current with an external logic signal.
► Operation with a single external supply voltage.
► High efficiency CHOPPER with MOSFET final stage output.
► Electronic damping facility for further acoustic noise and mechanic vibrations reduction at low and medium speed.
► Warranty: 24 months.