User Manual

4.1.6 RS485
The MR series supports multiple power supplies (of the same model, up to *50) that can be
connected together via RS485 and be controlled with a computer via USB (virtual COM) interface
(Chain mode). If connecting more than 10 units, add a 120Ω resistor terminator to the last unit as
shown in the figure below. Follow the instructions below to select and configure the RS485
interface for remote operation.
Figure 4.1 – RS485 Connection Diagram for 10+ Units
4. From the menu, browse and select Communication and press .
5. Press button two times until RS485 is select and press to configure the settings for
RS485 remote communication. The following display will be shown:
6. Use keys to select between each settings and press to configure the corresponding
setting.
7. To change the parameter settings, use the rotary dial or keys.