53
Instruction Manual
CVM-C4
Response:
Address
Function
Initial
Register
Relay action
CRC
01
05
0000
FF00
8C3A
7�3�- MODBUS COMMANDS
7�3�1 �- MEASUREMENT VARIABLES AND DEVICE STATUS
All Modbus map addresses are in Hexadecimal format.
Function 0x03
and
0x04
are implemented for these variables.
Table 12: Modbus Memory Map (Table 1)
Measurement Variables
Parameter
Format
Address
Units
Phase-Neutral Voltage L1
float
06 - 07
V
Phase-Neutral Voltage L2
float
08 - 09
V
Phase-Neutral Voltage L3
float
0A - 0B
V
Phase L1 - Phase L2 Voltage
float
0C - 0D
V
Phase L2 - Phase L3 Voltage
float
0E - 0F
V
Phase L3 - Phase L1 Voltage
float
10 - 11
V
Current L1
float
12 - 13
A
Current L2
float
14 - 15
A
Current L3
float
16 - 17
A
Active Power L1
float
18 - 19
kW
Active Power L2
float
1A - 1B
kW
Active Power L3
float
1C - 1D
kW
Total Active Power
float
1E - 1F
kW
Reactive Power L1
float
20 - 21
kvar
Reactive Power L2
float
22 - 23
kvar
Reactive Power L3
float
24 - 25
kvar
Total Reactive Power
float
26 - 27
kvar
Apparent Power L1
float
28 - 29
kVA
Apparent Power L2
float
2A - 2B
kVA
Apparent Power L3
float
2C - 2D
kVA
Total Apparent Power
float
2E - 2F
kVA
Power factor L1
float
30 - 31
-
Power factor L2
float
32 - 33
-
Power factor L3
float
34-35
-
Total Power Factor
float
36 - 37
-
Frequency
float
38 - 39
Hz
Positive active energy
float
3A - 3B
kWh
Negative active energy
float
3C - 3D
kWh
Positive reactive energy
float
3E - 3F
kvarh
Negative reactive energy
float
40 - 41
kvarh
Positive active energy Tariff 1
float
42 - 43
kWh