EV/DV300 Series Power Meter
Chapter 1: Introduction
V:2.0 Revised October 2018
4
CONTENTS
Chapter 1: Introduction ................................................................................................... 6
1.1 Description of EV/DV300 ........................................................................................ 6
1.2 Application Area ...................................................................................................... 7
1.3 EV/DV 300 Series .................................................................................................... 7
Chapter 2 Installation .................................................................................................... 10
2.1 Appearance and Dimensions ................................................................................ 10
2.1.1 Appearance .................................................................................................... 10
2.1.2 Dimension (mm) ............................................................................................ 11
2.2 Installation ............................................................................................................ 11
Installation Steps ..................................................................................................... 12
2.3 Wiring .................................................................................................................... 13
Safety Earth Connection ......................................................................................... 14
Auxiliary power ....................................................................................................... 14
Voltage Input........................................................................................................... 15
Current Input........................................................................................................... 16
2.4 I/O Wiring Method ................................................................................................ 18
Chapter 3: Operation and Setting ................................................................................... 24
3.1 Display Panel and Keys .......................................................................................... 24
3.2 Metering Data Reading ......................................................................................... 25
3.3 Meter Parameter Setting ..................................................................................... 29
Chapter 4: Communications ........................................................................................... 38
4.1 Modbus Protocol Introduction ............................................................................. 38
4.2 Format of Communication .................................................................................... 40
4.3 Data Address Table ............................................................................................... 46
Appendix ....................................................................................................................... 51
Appendix A Technical Data and Specification............................................................. 51
Appendix B Ordering Information .............................................................................. 54
