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Stepping motor drive boxed PLUS B3
( 28 - 62 VAC 2.4 - 8.0 Amp ) with Plug_in connectors


► Stepping motor drives series with Step & Direction interface suitable for driving two-phase stepping motors, with four, six or eight terminals based on the following versions:
-PLUS A3 and PLUS A4: with DC power supply (39-140 VDC)
-PLUS B3, PLUS B4 and PLUS B7: with AC power supply (28-100 VAC)
► Compact, easy to use and cost effective solution. This system is designed for mounting inside a metallic electrical cabinet. Suitable for wall mounting.
► Target: medium and medium-high power applications requiring great dynamic performance, high reliability, low acoustic noise and mechanic vibrations reduction.


► Microstepping function up to 4.000 step/rev.
► Electronic damping facility for further acoustic noise and mechanic vibrations reduction at low and medium speed.
► External fans not needed: ideal both for mounting inside a metallic electrical cabinet and for stand-alone applications.
► Operation with built-in oscillator with speed range from 14 to 450 rpm setting by means of dip-switches.


► Version: drive housed in a metallic box 152 x 129 x 46 mm, equipped with plug-in connectors.
► Range of operating voltages: 28-62 VAC.
► Range of current: 2.4 - 8.0 Amp. Setting up to eight possible values by means of a dip-switch.
► Microstepping: 400, 500, 800, 1.000, 1.600, 2.000, 3.200 and 4.000 steps/revolution. Setting by means of a dip- switch.
► 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.
► High efficiency CHOPPER with MOSFET final stage output.
► Operation with built-in oscillator with speed range from 14 to 450 rpm setting by means of dip-switch.
► Alarm memory by use of yellow blinking led.
► Warranty: 24 months.