4�7�3� EXEMPLE MODBUS QUESTION
Question:
ValueofthePhaseL1-PhaseL2voltage
Address
Function
Initial
register
No register
CRC
0A
04
2A
0002
xxxx
Address: 0A
,
Peripheralnumber:10indecimals�
Function: 04
,
Readfunction�
Initial register: 2A
,registeronwhichthereadingwillstart�
No� of registers: 0002
,
numberofregistersread�
CRC: xxxx
,CRCCharacter�
Response:
Address
Function
No Bytes
Register
no 1
Register
no 2
CRC
0A
04
04
0000
084D
xxxx
Address: 0A
,
Respondingperipheralnumber:10indecimals�
Function: 04
,
Readfunction�
No� of bytes: 04
,No�ofbytesreceived�
Register: 0000084D
,
ValueofthePhaseL1-PhaseL2voltage:V12x10:212�5V
CRC: xxxx
,CRCCharacter�
Note:
Every Modbus frame has a maximum limit of 20 variables
(40 register).
46
CVM-C5-xxx-485
Instruction Manual
Содержание CVM-C5 Series
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