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GAAAX4440 4DI,4AI,4DO, Distributed IO Expansion Module Support Ethernet and RS485 dual control

[Introduction]：The distributed IO expansion module adopts an scalable design in structure and needs to be used with our M31 series distributed IO host.

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PIN
SymbolNameFunction/ Description
AI1 AI1 analog input AI1 analog input interface, used in conjunction with COMA
AI2analog input AI2 analog input interface, used in conjunction with COMA
AI3AI3 analog input AI3 analog input interface, used in conjunction with COMA
AI4 AI4 analog input AI4 analog input interface, used in conjunction with COMA
COMAAI analog input common terminal AI1-AI4 share the COMA public terminal
DI1 DI1 switch input DI1 switch input interface, used in conjunction with COMB
DI2DI2 switch inputDI2 switch input interface, used in conjunction with COMB
COMB DI switch input common terminal DI1-DI2 share the COMB common terminal
DI3DI3 switch inputDI3 switch input interface, used in conjunction with COMC
DI4 DI4 switch input DI4 switching input interface, used in conjunction with COMC
COMCDI switch input common terminal DI3-DI4 share the COMC common port
DO1 DO1 switch output DO1 switching output interface, used in conjunction with COM1
COM1COM terminal of DO1COM terminal of DO1
DO2 DO2 switch output DO2 switch output interface, used in conjunction with COM2
COMCOM terminal of DO2 COM terminal of DO2
DO3DO3 switch outputDO3 switching output interface, used in conjunction with COM3
COM3COM terminal of DO3 COM terminal of DO3
DO4DO4 switch output DO4 switching output interface, used in conjunction with COM4
COM4COM terminal of DO4 COM terminal of DO4