User Manual
R356 Controller & Driver Page 9 Version 1.06
RMS Technologies 2/17/2010
Connecting to the new RoHS version RS232 card
R356 pin# R356 color *USB pin#
8 Black/white 1 (RS485A)
1 Green
2 (GND connect to Power
Supply Ground)
15 Brown 3 (RS485B)
Table 3: Pinouts for using RS232
Figure 3: RS232 to RS485 converter card, p/n 083-00050
The RS232 card requires power (7-40VDC).
Connecting to the USB card
R356 pin# R356 color *USB pin#
8 Black/white 1 (RS485A)
1 Green
2 (GND connect to Power
Supply Ground)
15 Brown 3 (RS485B)
Table 4: Pinouts for using USB
*Where Pin #1 is located here:
Figure 4: USB to RS485 converter card, p/n USB485
The USB converter card does not require power (it receives power from the PC). Power is still needed for
the R356 controller/driver.
Pin 1