Circutor CVM-D41 DC, Instruction Manual

Page: 45 / 60

45
Instruction Manual
CVM-D41 DC
CRC: 8C3A
, CRC.Character.
Response:
Address Function
Initial
Register
Relay action CRC
01 05 0000 FF00 8C3A
6�3�- MODBUS COMMANDS
All the addresses of Modbus memory are in Hexadecimal.
6�3�1�- MEASUREMENT VARIABLES AND DEVICE STATUS
For these variables is implemented the
Function 0x03
and
0x04
.
Table 40: Modbus memory map (Table 1)
Parameter Format Address V� Maximum V� Minimum Units
Voltage float 06 08 0A V
Current float 12 14 16 A
Power float 18 1A 1C kW
Positive electric charge float 1E - - Ah
Negative electric charge float 20 - - Ah
Positive energy float 22 - - kWh
Negative energy float 24 - - kWh
Table 41: Modbus memory map (Table 2)
Parameter Format Address Value
Communications ID int 104
ID 530 : Analog output A
ID 540 : Analog output V
Voltage int 106 V or kV
Decimal point of voltage int 107
0:
xxxx -
1:
xxx.x -
2:
xx.xx -
3:
x.xxx
Voltage units int 108 0: V - 1: kV
Current int 109 A or kA
Decimal point of current int 10A
0:
xxxx -
1:
xxx.x -
2:
xx.xx -
3:
x.xxx
Current units int 10B 0: A - 1: kA
Power int 10C W, kW, MW
Decimal point of power int 10D
0:
xxxx -
1:
xxx.x -
2:
xx.xx -
3:
x.xxx
Power units int 10E 0: W - 1: kW - 2: MW
Positive electric charge Long[2] 110... 113 Long [1]x2
32
+ Long[0] mAh
Negative electric charge Long[2] 114... 117 Long [1]x2
32
+ Long[0] mAh
Positive energy Long[2] 118... 11B Long [1]x2
32
+ Long[0] Wh
Negative energy Long[2] 11C ... 11F Long [1]x2
32
+ Long[0] Wh