ECAT-2094DS 4-Axis Stepper Motor Controller/Driver

The ECAT-2094DS is a standard EtherCAT slave and an EtherCAT master is required to operate the device. The ECAT-2094DS supports two operation modes: Free-Run and Distributed Clock (DC). Two-phase bipolar stepper motors can be directly connected to the ECAT-2094DS device. The device is designed to operate the stepper motor in an open loop. Configuration has to be done by the EtherCAT master and the application program. Each stepper motor is being independently controlled by a separated driver IC. The four driver ICs are not synchronized and work independently from each other. The driver automatically controls the torque and position of the motor. An integrated ramp generator automatically calculates the acceleration and deceleration distance. In position mode the controller drives the motor to the target position and in velocity mode accelerates the motor to the target velocity. All motion parameters can be changed on the fly.

The ICP DAS ECAT-2094DS has four integrated incremental encoder interfaces. Four 32 bit high frequency encoder counter counts the input signal of external incremental encoders. The encoder can for example be used for homing purposes and for consistency checks. High resolution of up to 256 microsteps per full step is supported for a ensuring smooth and precise motor operation. For each motor three digital input channels are provided:A left and right hardware limit switch and a home switch.The Hardware limit switch which automatically stops the motor when activated, and all three digital inputs can be used for home position search.

The device has to supplied with three power sources. Two motor supply and a 24Vdc control supply. Two motors share one power supply.

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