Rs-485 Connection - Delta RPI-H3 Owner's Manual

5.4.1 RS-485 Connection

The pin definition of RS-485 is shown as in Table 5-2 and protocol settings are
listed in Table 5-3. The wiring of multi-inverter connection is shown as figure
5-6. .
Figure 5-6 Multi-inverter connection illustration
RS-485 Data format
Baud rate
Data bit
Stop bit
Parity
Table 5-2 Definition of RS485
PIN
1
2
3
4
5
6
7
8
Table 5-3 RS-485 data format
19
FUNCTION
N/C
N/C
N/C
DATA-
DATA+
N/C
GND
12 Vdc
9600
8
1
N/A