User Manual

USB-485 converter card
(Figure 6)
1. The USB converter card connects to the R256 using the DB-9 cable that is
provided to you. The white 3-Pin connector is placed onto the converter card.
2. Your power supply will be connected to the R256 controller/driver directly.
The USB card is powered via the PC. R256’s pin1, Red wire is +12-
40VDC, pin 6, Green wire is Ground.
3. The motor is connected to the R256 using the other cable that is provided. It
is a white 4-pin connector. The Red wire is A, Blue is A Bar, Green is B, and
Black is B Bar.
4. Connect the USB card to your PC using the USB cable provided to you. You
will need to download driver files (2 of them). You can find them at:
www.rmsmotion.com
5. Turn your power supply on and follow instructions for using HyperTerminal.
Mating Connectors
A mating D-Sub connector and crimp style connector are provided.
RMS Technologies Page 11 Version 1.05
R256 Controller Manual 4/3/2009