RMS Technologies R256 CONTROLLER/DRIVER - Manual (Page 16)

WARNING!: Setting the Current to a value greater than 1.4 times the
Motor’s rated current will damage your motor, and may overheat the
controller.
Connecting Multiple R256 Controllers
If using the RS232-to-RS485 converter card, daisy chain all four wires: power,
ground, RS485+ and RS485- prior to plugging into the converter card.
Figure 12: Connection using RS232 Converter Card
If using the USB485 converter card, connect all the power and ground lines on the
units to the main power supply. Then daisy chain the RS485+ and RS485- lines
prior to plugging into the USB485 card. Be sure to also ground the USB485 card
with Pin 2, ground.
Figure 13: Connection using USB485Converter Card
RMS Technologies Page 16 Version 1.05
R256 Controller Manual 4/3/2009