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Control
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Control
of 4 stepper motors independently. Multiple boards in a network may be
controlled through RMV I/O-485 board to a total of 128
stepper motors.
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Driver V & amp
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All the stepper motors are driven by an L298, which is a
high voltage, high current dual full-bridge driver. It can handle a 2 Amp current. The
power supply for motors can be up to 48V. For more powerful stepper motors, a simple
H-Bridge driver circuit can be added.
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Velocity
changes
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Acceleration and deceleration modes are supported.
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PWM
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One 10 - 10000 Hz, 0 - 100 % duty cycle Pulse Width
Modulation channel.
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Stop
Pins
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Hardware stop pins are available for left and right limits
or Home buttons.
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Analog to
digital converters
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The ST4 board supports 10 analog to digital conversion
channels. The resolution of the conversion depends on the ADC used. The ST-boards are
available with either a 10 or 12 bit AD Converter.
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Interrupt lines
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10 High and Low interrupt lines.
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TTL compatible
I/O lines
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8 TTL compatible I/O lines.
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Control of up
to 32 boards
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The ST4 can be controlled directly via a standard serial
port (from 300 to 115200 Bauds), or attached to our I/O-485 stations. The latter
configuration allows the user to control up to 32 ST4 boards from the same serial port,
with synchronic triggering of all motors if required
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