2Modbus Rtu Control - Ebyte ME31-XAXA0404 User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.
Other functions can be tested through the commands in the table below.
function (function code)
Control A O1 Output 1 0 mA (0x 10)
Read A O1 output (0x03 )
Read all AI inputs ( 0x04)
The input registers read by the demonstration case are engineering quantities ( 16 -bit integer values, and 32 -bit
floating-point values can also be obtained by reading the 0x00C8 register )
By converting the value read by the input register into 10 base , divide by 1 000 and compare with the value
displayed on the screen.

2.3.2Modbus RTU control

the analog input status of M E31-XAXA0404 .
Other functions can be tested through the commands in the table below.
Read current A O1 output (0x 03 )
Control A O1 current output 1 0mA (0x 10 ) 01 0 00 00 00 02 04 41 20 00 00 E6 59
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8
function (function code)
Read all AI inputs ( 0x04)
instruction
0 1 00 00 00 00 0B 01 10 00 00 00 02 04 41 20 00 00
0 1 00 00 00 00 06 01 03 00 00 00 02
0 1 00 00 00 00 06 01 04 00 64 00 04
instruction
01 04 00 64 00 04 B0 16
01 03 00 00 00 02 C4 0B
ME31- XAXA0404 _User Manual