Chengdu Ebyte Electronic Technology Co.,Ltd. 【4AI+4DO】MA02-XACX0440 User Manual
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd. 2
4.3.1 Device address................................................................................................................................... 17
4.3.2 Hardware address (dip switch)...........................................................................................................18
4.3.3 Software address (offset address).......................................................................................................19
5 Port wiring........................................................................................................................................................20
5.1Analog input AI port wiring.......................................................................................................................20
5.1.1 Two-wire sensor wiring..................................................................................................................... 20
5.1.2 Three-wire sensor wiring................................................................................................................... 21
5.1.3 Four-wire sensor wiring..................................................................................................................... 21
5.2Switch output DO port wiring....................................................................................................................22
5.2.1 The output terminal directly controls the load (small power equipment within 1kW)......................22
5.2.2 Output terminal control contactor (contactor controls high-power....................................................22
220V equipment).........................................................................................................................................22
5.2.3 Output terminal control contactor (contactor controls high-power 380V equipment)...................... 23
6 Software use.....................................................................................................................................................24
6.1Software Installation.................................................................................................................................. 24
6.2Software function introduction.................................................................................................................. 25
6.2.1 IO demo interface...............................................................................................................................25
6.2.2Basic setting interface........................................................................................................................ 27
6.2.3Advanced settings interface............................................................................................................... 29
6.3Device status query.................................................................................................................................... 30
6.4Equipment status control............................................................................................................................31
7 Modbus use...................................................................................................................................................... 32
7.1 Register list........................................................................................................................................ 32
7.2AI related register list.................................................................................................................................34
7.3Instruction format (partial).........................................................................................................................35
7.3.1 Read DO output coil status................................................................................................................ 35
7.3.2 Read holding register......................................................................................................................... 35
7.3.3 Write a single holding register........................................................................................................... 35
7.3.4 Write multiple holding registers.........................................................................................................36
7.3.5 Write the status of a single DO coil................................................................................................... 36
7.3.6 Write multiple DO coil states.............................................................................................................37
7.3.7 Read input register............................................................................................................................. 37
