Delta RPI M80U Operation And Installation Manual page 34

Installation
Pin
1
2
3
4
5
6
Terminal Resistor
120Ω(1/2W)
DATA+ to DATA-
Data Format:
Baud rate: 19200
Data bits: 8
Stop bit: 1
Parity: N/A
ON
OFF
Function
VCC (+12V)
GND
DATA+
DATA-
DATA+
DATA-
Table 3-1 : Definition of RS-485
Figure 3-18 : Multiinverter connection illustration
Switch 1
VCC ON
VCC OFF
Table 3-2 : Terminal resister setting
1 2 3 4 5 6
RS485/USB
RS485/RS232
Switch 2
Terminal Resistor ON
Terminal Resistor OFF
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