Instructions

ManualsBrandsCircutor ManualsAC & Three Phase Electricity MetersElectricity meter (3-phase) 10 A Single 1 pc(s)

CONTENTS

SAFETY PRECAUTIONS .........................................................................................................................................................3

DISCLAIMER ..........................................................................................................................................................................3

CONTENTS ............................................................................................................................................................................. 4

REVISION LOG .......................................................................................................................................................................5

1. VERIFICATION UPON RECEPTION ....................................................................................................................................6

2. PRODUCT DESCRIPTION .................................................................................................................................................6

3. UNIT INSTALLATION ........................................................................................................................................................ 7

3.1.- PRELIMINARY RECOMMENDATIONS ........................................................................................................................7

3.2.- INSTALLATION .........................................................................................................................................................8

3.3.- UNIT TERMINALS .....................................................................................................................................................9

3.4.- CONNECTION DIAGRAM .........................................................................................................................................10

4. OPERATION ..................................................................................................................................................................... 11

4.1.- OPERATING PRINCIPLE ...........................................................................................................................................11

4.2.- LED INDICATORS .....................................................................................................................................................11

4.3.- OPTICAL COMMUNICATIONS PORT........................................................................................................................ 12

4.4- RS-485 COMMUNICATIONS .................................................................................................................................... 12

4.4.1.- MODBUS/TCP PROTOCOL ............................................................................................................................. 12

4.4.2.- VARIABLES MODBUS .................................................................................................................................... 13

5. TECHNICAL FEATURES .................................................................................................................................................. 19

6. MAINTENANCE AND TECHNICAL SERVICE ................................................................................................................... 21

7. GUARANTEE ................................................................................................................................................................... 21

8. CE CERTIFICATE ............................................................................................................................................................22

Note: The images of the units are solely for the purpose of illustration and may differ from the origi-

nal unit.

CEM M-ETH

Instruction Manual