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Phase 3 cos φ 0x0742 32 bits 2 decimal places

Phase 1 active power 0x0746 32 bits W

Phase 2 active power 0x0748 32 bits W

Phase 3 active power 0x074A 32 bits W

Total active power 0x074C 32 bits W

Phase 1 reactive power 0x074E 32 bits var

Phase 2 reactive power 0x0750 32 bits var

Phase 3 reactive power 0x0752 32 bits var

Total reactive power 0x0754 32 bits var

Phase 1 apparent power 0x0756 32 bits VA

Phase 2 apparent power 0x0758 32 bits VA

Phase 3 apparent power 0x075A 32 bits VA

Total apparent power 0x075C 32 bits VA

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�5�- Other parameters

The Read function is implemented for these variables.

Table 10: Modbus variables: Other parameters�

Description Address Size Units

Energy meter model

0xF010 6x16 bits 12 bytes in ASCII format

Serial no 0x2710 32 bits -

Transformation ratios

Voltage primary 0x044C 32 bits V (1 decimal place)

Voltage secondary 0x044E 32 bits V (1 decimal place)

Current primary 0x0450 32 bits A (1 decimal place)

Current secondary 0x0452 32 bits A (1 decimal place)

Energy meter rmware version

Higher rmware version 0x0050 16 bits -

Lower rmware version 0x0051 16 bits -

Revised rmware version 0x0052 16 bits -

Communications module rmware version

Higher rmware version 0x0578 16 bits -

Lower rmware version 0x0579 16 bits -

Revised rmware version 0x057A 16 bits -

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”

(1)

Energy meter model description table, Table 11�

Table 11: Energy meter model description table�

Options C10 C20 C30

bytes in ASCII

format

Connection mode

2 wires



4 wires

 

Instruction Manual

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