AR-SD6DXEU series USB Six Motor Step And Direction Stepper Motor Controller
The AR-SD6DXEU series of boards are complete step-and-direction controllers for operating up to six step-and-direction stepper motor driver boards using a USB interface. They provide the capability of independently driving one to six stepper motors at stepping rates of up to 500,000 pulses per second per motor using external driver boards, such as those created by Applied Motion and Gecko. Since they have on-board high current drivers, they are capable of directly driving those external boards without external buffers.
The two connector options ("MTA-100" and "Screw Terminal") control how you connect most TTL I/O and motor wires to the board.
- The 'MTA-100' option specifies use of latching Amp MTA-100 connectors, and is recommended for any production system. When the cables are correctly produced, the MTA-100 is vibration resistant, and is easier to use in a production environment.
- The "Screw Terminal" option specifies use of screw terminals for direct wire connection to the board. This is suggested for anyone who is just doing experiments or is connecting to just one or two motors
The board has ESD protection on most of the TTL inputs (except for the RST line). Note that the protection is only active when the board is connected to a properly grounded power supply, such that the GND connection on the board power connector goes to true earth ground.
The SD6DXNCRouter (click to see the manual) firmware that is used describes the "personality" of the board. You can update the firmware at any time using the supplied firmware update tool. This firmware simultaneously supports two modes of operation (you assign each motor to a given mode):
- PotRouter-style allows for simultaneous independent asynchronous motion between the motors.
- NCRouter-style allows for pen-plotter-like control, wherein perfect rate scaling is automatically performed between the motors in order to generate the equivalent of straight-line motion if a pen plotter were to be attached.
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