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Series DRVI

For stepper and brushless DC, Nema 23 and Nema 24 motors
The Series DRVI integrated motor drive is designed to control various types of motors, both stepper and brushless, using a closedloop control (FOC) algorithm. This algorithm, also known as vector control (FOC), offers better performance than traditional stepper motor control systems, which allows the stepper motor to operate over the entire speed range, ensuring fast acceleration and deceleration, assuring more accurate motion control with no loss of steps.

It is also more energy efficient than traditional control methods, as it uses precise rotor position feedback and controls the phase current, optimising motor operation. Its compact design and integration with the main communication protocols make the Series DRVI the ideal solution for various industrial applications that require accurate control and fast response to load variations.
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DRVI-23ST012-0.. DRVI-24ST022-0.. DRVI-24EC125-0..
Motor type Stepper Stepper Brushless
Flange size NEMA 23 NEMA 23 NEMA 24
Power supply 24 - 48 VDC 24 - 48 VDC 24 - 48 VDC (nominal 48 V)
Logic supply 24 VDC
(General-purpose input/output)
2 digital inputs, for sensors (Homing and extra-stroke)
2 general digital inputs
1 general digital output
IP protection class IP65, except motor shaft.
(Caps must be fitted to unused connectors to ensure IP protection)
Control loop Closed loop by field-oriented control (FOC)
Operation mode Position
Communication protocol Profinet
Additional function STO (Safe Torque Off), not certified
Rated speed [rpm] - - 3000
Max speed [rpm] 3000 3000 3000
Nominal torque [Nm] - - 0,5
Peak torque [Nm] - - 1,5
Torque at 0 rpm at 24VDC [Nm] 1,2 2,2 -
Rated power [W] - - 125
Rotor inertia [kg cm2] 0,38 0,78 0,91
Permissible radial load [N] 70N at End shaft
Mass moment of inertia of the rotor [gcm2] 380 780 910
Weight [kg] 1,1 1,6 1,1
Encoder type Absolute single turn
Recommended motor inertia ratio <1:10
Current Consumption [A] 3,5 A
Current Consumption, logic [A] <0,2 A
General digital Input IN1, IN2 isolated, compliant with IEC 61131-2 type 3
Sensor digital input Homing, External Isolated input, differential, 24V
General digital output Protected isolated input, maximum 400mA <0.2
Maximum auxiliary current 24VDC [A] <0,13 A
Protection I2T, overvoltage, overcurrent, overtemperature
Operating temperature [°C] (no icing) 0/+50°C
Humidity [%] (no condensing) 15% - 90%
Installation max altitude [m] 1000
Vibration resistance IEC 60068-2-6
Shock resistance IEC 60068-2-27
Brake resistance Not present
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