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AX100700: Stepper Motor Drive

The Stepper Motor Controller provides simple and accurate control of the levels, waveforms, timing and phase-shifts of the current for a two phase stepper motor via SAE J1939 command messages. Analog and Digital command inputs are provided for a run-time parameter, feedback in a PID control loop or as an E-stop command. 1 pulse or PWM input for inductive or active sensor is available. Motor direction is selectable. An additional output is provided, a sinking digital output (up to 5A) for a relay, brake or other load.


  • Construction Equipment, Mobile Equipment, Material Transport Vehicles, On-road Vehicles (Bus)
Technical Specifications:Stepper Motor Drive
Order Codes:P/N: AX100700
Power: 12V or 24VDC nominal
(9…32 VDC power supply range)
Inputs:1 Analog/Digital input, user configurable
• Voltage
• Current
• Digital (active high or active low)
Output to the motor:Allegro DMOS Microstepping Driver, A3979
Maximum 2A per phase for a Stepper Motor
Digital Output:1 sinking (switched to GND) output for up to a 5A load (relay, brake or other load)
Control logic:Open or closed loop motor drive control logic
(user selectable)
User programmable functionality using Electronic Assistant®
Communications:1 CAN (SAE J1939)
Enclosure:High Temperature Nylon housing - TE Deutsch PCB Enclosure (EEC-325X4B)
4.62 x 5.24 x 1.43 inches
117.42 x 133.09 x 36.36 mm
(W x L x H excluding mating plugs)
Protection Rating:IP67, Unit is conformal coated in the housing
Operating Conditions:-40 to 85°C (-40 to 185°F)
PDF Datasheet: Click icon for PDF datasheet for TDAX100700.

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