Data Communication Setup - Delta PPM R4E Installation Manual

Installation（Wired）

2.5.Data communication setup

1. Put the signal wires of the monitor ( or the inverter ) into RS-485 connector.
(The wire diameter is AWG20 ~ AWG24)
2. According to mark of the meter , put into the signal wires of the monitor. ( or the inverter )
3. Add the termination resistor (short the terminals) if this is the last device in the RS-485 chain.
4. Connect the RS-485 to the meter port.
5. You can now use the Delta monitor to access and display the data.
Please refer to the Default Settings (page 32) or connection setting (page 59) for more information.
485 A+
485 A-
485 A+
485 A-
Terminal resistance port short
28
485 B+
485 B-