Delta RPI-M8 Manual page 25

Terminal Resister
120Ω(1/2W)
DATA+ to DATA-
Data Format:
Baud rate: 9600
Data bits: 8
Stop bit: 1
Parity: N/A
RS-485 Data format
Baud rate
Data bit
Stop bit
Parity
SW ON
SW OFF
Table 5-6 Definition of RS 485 pin
PIN
4
5
7
8
Pin Layout:
PIN FUNCTION
4 DATA-
DATA+
5
7 VCC(+12V)
8 GND
Figure 5-7 Multi-inverter connection illustration
Table 5-7 RS-485 data format
Tabel 5-8 Terminal resister setting
ON
1 2
FUNCTION
DATA-
DATA+
VCC(+12V)
GND
9600
8
1
N/A
SW
1
Terminal
Resistor
OFF OFF
ON
ON OFF
ON
Terminal Resister
120Ω(1/2W)
DATA+ to DATA-
RS485/USB
or
RS485/RS232
2
OFF
OFF
ON
ON
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