4�7�2� PROTOCOL
IntheModbusprotocol,the
CVM-C5
unitusestheRTU(RemoteTerminalUnit)mode�
TheModbusfunctionsimplementedintheunitareasfollows:
Function 03 and 04
�
ReadingnWords(2bytes)
�
Functionusedforreadingtheparameters
beingmeasuredbytheCVM-C5�Allparametersare32-bitslong,whichiswhytoaskeach
parametertakestwoWords�
Function 10
�Writingmultiplelogs�
4.7.2.1. Selecting the active tariff
The
CVM-C5
hastwotariffs,T1andT2,selectableusingthefollowingModbusfunction:
Selecting the active tariff:
Address
Function
Registro
inicial
No registers
No bytes
Tariff
CRC
NP
(1)
10
1388
0001
02
000T
(2)
xxxx
(1)
NP:
Peripheralnumber
(2)
Theselectionoftheactivetariffisselectedaccordingtothefollowingtable:
Table 16:
Selecting tariff.
Code
Tariff
0
TariffT1
1
TariffT2
Response
:
Address
Function
Initial
register
No registers
CRC
NP
(1)
10
1388
0001
xxxx
reading active tariff
:
Address
Function
Initial
register
No registers
CRC
NP
(1)
04
1388
0001
xxxx
Response:
Address
Function
No bytes
No registers
CRC
NP
(1)
04
02
000T
(2)
xxxx
43
Instruction Manual
CVM-C5-xxx-485
Summary of Contents for CVM-C5 Series
Page 1: ...INSTRUCTION MANUAL M026B01 03 21A Power analyzer CVM C5 ITF 485 CVM C5 MC 485 CVM C5 mV 485...
Page 2: ...2 CVM C5 xxx 485 Instruction Manual...
Page 50: ...8 CE CERTIFICATE 50 CVM C5 xxx 485 Instruction Manual...
Page 51: ...51 Instruction Manual CVM C5 xxx 485...
Page 52: ...52 CVM C5 xxx 485 Instruction Manual...
