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Delta RPI-M20A User Manual

Delta RPI-M20A
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Terminal Resistor
Terminal Resistor
120Ω(1/2W)
DATA+ to DATA-
120Ω(1/2W)
DATA+ to DATA-
RS485/USB
or
RS485/RS232
Data Format:
Baud rate: 9600, 19200 (default), or 38400
Data bits: 8
Stop bit: 1
Parity: N/A
4.4.1. RS-485之連接
RS-485端子的定義如表4-5
不同的RS-485連接方式,其終端電阻設定方式亦有所不同。
當變流器為單台安裝時,安裝者需將該台之終端電阻設置為ON。
當變流器為多台串聯時,安裝者需將第一台與最後一台變流器之終端電阻
設置為ON,其餘機子則為OFF。請參考圖4-7
終端電阻的設定方式請參考表4-6
Pin Function
1 VCC (+12V)
2 GND
3 DATA+
4 DATA-
5 DATA+
6 DATA-
表 4-5 RS-485端子定義
圖4-7多台變流器串接通訊
1
2
3
4
5
6
122
配線

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Delta RPI-M20A Specifications

General IconGeneral
BrandDelta
ModelRPI-M20A
CategoryInverter
LanguageEnglish

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