Circutor CEM-M-RS-485 Manual do Utilizador descarregar pdf (Página 4)

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 PROTOCOL �� 12

4�4�2�- READ COMMANDS ��12

4�4�3�- WRITE COMMANDS �� 13

4�4�4�- VARIABLES MODBUS �� 14

5�- TECHNICAL FEATURES ��19

6�- MAINTENANCE AND TECHNICAL SERVICE ��21

7�- GUARANTEE ��21

8�- CE CERTIFICATE �� 22

NB: The images of the units are solely for the purpose of illustration and may differ from the

original unit.

CEM M-RS485

Instruction Manual

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Circutor CEM-M-RS-485 Manual do Utilizador Página 4