RMS Technologies R256 CONTROLLER/DRIVER - Manual (Page 6)

Here is the list of components if you
have purchased the optional
Designer’s Kit:
• USB to RS232 converter card
• A switch push button
• Opto Sensor
• A USB 6 foot long cable
RMS part number: USBKIT
Default Settings
Function (command) Description
Running Current (m) 30% of 2.0 Amps
Holding Current (h) 10% of the max current of 2 Amps
Step Resolution (j) 256x
Top Velocity (V) 305175 pps (microsteps/sec)
Acceleration (L) L=1000, 6103500 μsteps/sec 2
Position 0
Microstep smoothness (o) 1500
Outputs (J) Both are turned off, J0
Baud Rate 9600 bps
Table 1: Default Settings
2. ELECTRICAL SPECIFICATIONS
Supply Voltage: +12 to +40 VDC
Peak Current: 0.1 to 2.0 Amps
Digital I/O Specifications
Number of I/O 2
Number of Inputs 2
Input Voltage +0 VDC to +5 VDC (0 to 24V tolerant, but 5V recommended)
Input Current 700 mA
Pull-up Resistors 10k Ω
Protection Static Protection to the microprocessor
LED output (Pin 9) max of 20mAmps, with 200 ohm internal resistor
3. OPERATING SPECIFICATIONS
Maximum Step Frequency 2^24 (pps) or 16.7MHz
Operating Temperature Range 0° to 50° C
RMS Technologies Page 6 Version 1.05
R256 Controller Manual 4/3/2009