CIRCUTOR CVM-NRG96 Series (Available until stocks) User Manual
Page 34

CVM-NRG96
M9817250120-03-05A
34
Example of a MODBUS© question
QUESTION
0A 04 00 00 00 0A 71 76
0A
Peripheral number, 10 in decimal
04
Reading function
00 00
Record at which the reading is to start
00 0A
Number of recording to be read: 10 in decimal
71 76
CRC Character
RESPONSE
0A 04 14 00 00 08 4D 00 00 23 28 00 00 0F A0 00 00 00 90 00 00 00 60 CB 2E
0A
Number of the peripheral that is responding, 10 in decimal
04
Reading function- the one used in the question
14
Number of bytes received (20).
00 00 08 4D
V1x 10 (record 00 Hex) with value in decimal 212.5 V
00 00 23 28
mA 1, in decimal 9000 mA
00 00 0F A0
W 1, in decimal 4000 W
00 00 00 90
varL 1, in decimal 144 varL
00 00 00 60
PF1 x 100, in decimal 96
CB 2E
CRC Character
*Each Modbus frame has a maximum limit of 20 variables (40 recordings).