User’s Manual 7M
5
TABLE OF CONTENTS
BASIC DESCRIPTION AND OPERATION
page - 6
INTRODUCTION
page - 6
DESCRIPTION OF THE DEVICE
page - 6
THREE-PHASE ENERGY METERS APPLICATION
page - 7
MAIN FEATURES
page - 7
TYPE DIFFERENCES
page - 8
CONNECTION
page - 9
MOUNTING
page - 9
ELECTRICAL CONNECTION
page - 10
FIRST STEPS
page - 14
KEYBOARD NAVIGATION
page - 14
LCD USER INTERFACE
page - 14
CALIBRATION AND SETTING PARAMETERS
page - 27
FREEZE COUNTERS
page - 27
TECHNICAL DATA
page - 29
ACCURACY
page - 29
MECHANICAL CHARACTERISTICS OF INPUT
page - 29
ELECTRICAL CHARACTERISTICS OF INPUT
page - 30
SAFETY AND AMBIENT CONDITIONS
page - 31
EU DIRECTIVES CONFORMITY
page - 32
DIMENSIONS
page - 32
ABBREVIATION/GLOSSARY
page - 33
APPENDICES
page - 34
APPENDIX A: MODBUS - COMMUNICATION PROTOCOL
page - 34
APPENDIX B: M-BUS
page - 58
APPENDIX C: EQUATIONS
page - 59