RMS Technologies R325P DRIVER - Manual (Page 8)

CAUTION: Connecting Motor phases (A, A Bar, B, B Bar) to the incorrect location while the R325P is
powered will cause the board to burn. Be sure to insert motor phases into Pins 6 through 9, in the
order of A, A Bar, B, and B Bar. It is recommended that power is connected last, so that all
connections can be checked before power up.
6. CONNECTION SPECIFICATIONS
When using the Driver Only portion of the R325PE, use the dip switches for step resolution and current settings.
Using the R325PE as a Driver Unit Only
Step 1: Take off the jumper located on J1
Remove the jumper from J1 in order for the R325PE to
function as a driver ONLY.
Image 6.1
The jumper can be placed on 1 pin so that it is not
misplaced.
Inage 6.2
If using the R325PE as a Driver only, be sure to connect the power supply last.
Pin 1: Connect Pin 1 to Pin 4 to use the internal +5VDC. By using the internal +5VDC the I/O’s will no longer be
optically isolated. If optical isolation is still desired, use a separate +5VDC supply and connect the POSITIVE end
of the supply to Pin 1. The NEGATIVE end will connect with the NEGATIVE end of your pulse generator.
Pin 2: Use a pulse generator or function generator to receive pulses into the R325P. Connect the POSTIVE end
of the pulse generator to Pin 2. The NEGATIVE end will be connected to the NEGATIVE end of the +5VDC supply
if using a separate power source. If using the internal +5VDC supply, connect the NEGATIVE end of the pulse
generator to Power GROUND.
Pin 3: To switch the direction of motor rotation, connect Pin 3 with Pin 11, Power Ground. An open or closed
connection to Power Ground will change the direction.
Pin 4: This is the internal +5VDC. Use this for testing purposes or if optical isolation of the inputs is not desired.
It can output a max of 50 mAmps.
Pin 5: To enable the drive leave this Pin open, disable the drive connect Pin 5 with Pin 11 (Power Ground). An
open or closed connection to Power Ground will enable and disable the drive, respectively. A closed connection
will remove all power to the output motor leads (Pins 6 through 9).
RMS Technologies
Page 8 Version 1.00
R325P Single Axis Driver Manual 1/31/2013