External Rs 485 Connection - Redx RX Series User Manual

As shown in figure 5-12, an arrow indicates the direction of the CT, pass the cable through the
hole of the CT, then close and lock the CT.
Note: On the "Grid" CT the orientation of the arrow (L to G) must be pointing from switchboard
to grid. The CTs must be installed in the power distribution box.

5.4 External RS 485 Connection

RX-2505PW has a USB RS 485 port allowing customers to connect their own devices.
1. Unscrew the rubber nut on the water-proof cover of the system (RS485)；
2. The detail of the USB RS 485 as shown in Figure 5-13；
Note: The RX-2505PW has a WiFi module inside. If customers use another WiFi module or other
communication module, they need use the default USB RS 485 port.
1
+5V
Rev 20221130
GRID CT
L-Line
GRID
Load
2
485_A
RX2505PW
CT
3
485_B
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4
GND