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Delta RPI M30A User Manual

Delta RPI M30A
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4.5.1. RS-485之連接
RS-485端子的定義如表4-6。不同的RS-485連接方式,其終端電阻設定
方式亦有所不同。
當逆變器為單台安裝時,安裝者需將該台之終端電阻設置為ON。
當逆變器為多台串聯時,安裝者需將第一台與最後一台逆變器之終端電
阻設置為ON,其餘機子則為OFF。請參考圖4-17。
終端電阻的設定方式請參考表4-7。
Pin Function
1 VCC (+12V)
2 GND
3 DATA+
4 DATA-
5 DATA+
6 DATA-
表 4-6 RS-485端子定義
圖4-17 多台逆變器串接通訊
1 2 3 4 5 6
Data Format :
Baud rate: 9600, 19200 (default), or 38400
Data bits: 8
Stop bit: 1
Parity: N/A
RS485/USB
or
RS485/RS232
Terminal Resistor
120Ω (1/2W)
DATA+ to DATA-
Terminal Resistor
120Ω (1/2W)
DATA+ to DATA-
188
配 線

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Delta RPI M30A Specifications

General IconGeneral
BrandDelta
ModelRPI M30A
CategoryInverter
LanguageEnglish

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