DELTA |
RS485 Splitter |
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VFD-CMD 04/08 Instruction Sheet |
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To complete the communication function between VFD series AC motor drives and DVP series PLC, Delta develops multi-machine communication board.
RS-232 communication port of PC connects to the input terminal of this multi-machine board via RS-232/RS485 converter. An AC motor drive can connect to multiple AC motor drives by using this communication board (1 to 4/8) to control multi-machine communication. Refer to the following diagrams for details.
INPUT
SGSG+
6 5 4 3 2 1 OUT_1 OUT_2
OUT_3 |
OUT_4 |
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VFD-CMD04 |
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VFD-CMD08 |
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AC POWER SUPPLY |
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RS-232 |
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PC |
DVP PLC |
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DATA- |
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DATA+ |
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RS-485 |
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INPUT |
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INPUT |
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SG- |
SG+ |
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SGSG+ |
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65432 1 |
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65432 1 |
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OUT_1 |
OUT_2 |
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OUT_1 |
OUT_2 |
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OUT_3 |
OUT_4 |
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OUT_3 |
OUT_4 |
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ADDRESS |
1 |
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2 |
3 |
4 |
5 |
6 |
7 |
8 |
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1 ~ 8 |
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PC
PLC 
multi-machine communication board 
AC motor drives
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