Circutor CEM-C31-485-DS, Instruction Manual

Page: 43 / 58

The device will respond to us with the next frame:
Address Function
Initial
Register
Register
no�
CRC
01 10 03E8 0001 CRC
Note: The values are shown in hexadecimal.
The number of registers to write must be the same as the size of the variable that is being
accessed.
It is possible to write several consecutive addresses, if the request meets the correct format.
7�2�3�- VARIABLES MODBUS
All
MODBUS
map addresses are hexadecimal.
7�2�3�1�- Energy
The Read function is implemented for these variables.
Table 16: Modbus variables: Energy (Table 1)�
Description Address Size Units
Total values
Imported active energy 0x0000 32 bits Wh
Exported active energy 0x0002 32 bits Wh
Q1 reactive energy 0x0004 32 bits varh
Q2 reactive energy 0x0006 32 bits varh
Q3 reactive energy 0x0008 32 bits varh
Q4 reactive energy 0x000A 32 bits varh
Partial values
Partial imported active energy 0x0030 32 bits Wh
Partial exported active energy 0x0032 32 bits Wh
Q1 partial reactive energy 0x0034 32 bits varh
Q2 partial reactive energy 0x0036 32 bits varh
Q3 partial reactive energy 0x0038 32 bits varh
Q4 partial reactive energy 0x003A 32 bits varh
Table 17
shows energies per tariff, only visible for the CEM-C31-485-DS model with the Tariff
option selected.(See
“6.2.3.- DIGITAL INPUT TYPE”
).
Table 17: Modbus variables: Energy (Table 2)�
Description
Address
Size Units
Tariff 1 Tariff 2
Total values
Imported active energy 0x0100 0x010C 32 bits Wh
Exported active energy 0x0102 0x010E 32 bits Wh
Q1 reactive energy 0x0104 0x0110 32 bits varh
Q2 reactive energy 0x0106 0x0112 32 bits varh
Q3 reactive energy 0x0108 0x0114 32 bits varh
Q4 reactive energy 0x010A 0x0116 32 bits varh
43
Instruction Manual
CEM-C31