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4�4�2�2�- Energy

The Read function is implemented for these variables.

Table 7: Modbus variables: Energy

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

Note: Some MODBUS variables may not be available depending on the CEM energy meter

coupled to the CEM M-ETH. See “4.4.2.7.- Available addresses by unit”

4�4�2�3�- Operating time, cost and KgCO

atmospheric emissions

The Read function is implemented for these variables.

Table 8: Modbus variables: Operating time, costs and KgCO

Description Address Size Units

Cost of the partial consumption 0x00C0 32 bits -

KgCO2 atmospheric emissions of the partial consumption 0x00C2 32 bits -

Hours of partial operation 0x00C4 32 bits ( 1 decimal place)

Hours of total operation 0x00C6 32 bits ( 1 decimal place)

Note: Some MODBUS variables may not be available depending on the CEM energy meter

coupled to the CEM M-ETH. See “4.4.2.7.- Available addresses by unit”

4�4�2�4�- Instantaneous values

The Read function is implemented for these variables.

Table 9: Modbus variables: Instantaneous values�

Description Address Size Units

Phase 1 voltage 0x0732 32 bits V (1 primary decimal place)

Phase 2 voltage 0x0734 32 bits V (1 primary decimal place)

Phase 3 voltage 0x0736 32 bits V (1 primary decimal place)

Phase 1 current 0x0738 32 bits A (2 primary decimal places)

Phase 2 current 0x073A 32 bits A (2 primary decimal places)

Phase 3 current 0x073C 32 bits A (2 primary decimal places)

Phase 1 cos φ 0x073E 32 bits 2 decimal places

Phase 2 cos φ 0x0740 32 bits 2 decimal places

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