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Microstepping Motor Drives
- DC Bus Voltage 12 to 40 Vdc Motor Supply
- Switch Selectable Motor Currents from 0.4 to 3.5 A/Phase
- Optically Isolated 5 Vdc Inputs for Step, Direction and Enable
- Enable Input to Turn Off Current to the Motor
- Screw Terminal Connectors
- MOSFET, Dual H-Bridge, Inaudible PWM Amplifier
- Pulse Width Modulated Current Control
Description The 3540M/MO step motor drivers aremicrostepping drives with up to 12,800steps per revolution, with MOSFET three state switchingamplifiers and optoisolated circuits. Bothdrives include 5 optically isolated inputs, andthe 3540MO features external speed control,tach output, and internal pots for accel/decelrate along with high/low speed rangeselection.
The 3540M drive is a step and direction drive, and includes an automatic feature (switch selectable) to lower motor current by 50%anytime the motor is left at rest for morethan one second. Additionally there is a switch-selectable self-test which rotates themotor 1/2 revolution in each direction at100 steps/second. This drive is compatible with PLCs which feature high-speed pulse output, such as our ELC-PLC series and OCS XL series.
Note: the Step, Direction, and Enable inputs are +5V-logic compatible. For operation with +24V signals, a 3600-ohm series resistor is required on each input.See the drive manual for details.
The 3540MO drive has an on-board oscillatorwhich allows the motor speed to be controlled by an analog voltage or external joystick. This drive is ideal for continuous motion applications such as mixers and blenders. A tach output is also available on this drive.
Motor current for both drives is selected from 32 levels by aDIP switch. Microstepping resolution isselectable by DIP switch on the 3540M. On the 3540MO, microstepping resolution isfixed at 12,800 steps/revolution.
Learn more about stepper motors and drives:
Click here for more info on the ELC series PLC:
Click here for more info on the OCS XL series PLC:
Power Supply (Required for Drive Operation): Recommended:
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