Satec EM720 Installation Manual User Manual

EM720 POWER QUALITY AND REVENUE METER Installation Manual BG0450 Rev. A4

6 Chapter 2 Installation Voltage Inputs There are 3 AC Y-connected voltage inputs of 480V (phase-to-phase) and neutral, via Main Terminal Block. Co

Chapter 2 Installation 7 Typical Installation Figure 5: Typical Electrical Installation

8 Chapter 2 Installation Wiring Configurations There are seven wiring configurations shown in Figures 6, 7, 8, 9, 10, 11, 12 or 13; Wiring Configur

Chapter 2 Installation 9 Figure 7: Four Wire WYE Connection Using 3(4) CTs - Wiring Setup: 4LL3 or 4Ln3 Figure 8: Four Wire WYE Connection Using 3

10 Chapter 2 Installation Figure 9: Three Wire Open Delta Connection Using 2 PTs, 2 CTs - Wiring Setup: 3OP2 Figure 10: Three Wire Wye Connection

Chapter 2 Installation 11 Figure 11: Three Wire Open Delta Connection Using 2 PTs, 3 CTs - Wiring Setup: 3OP3 Energy is measured with 2 CTs only –

12 Chapter 2 Installation Input / Output ports options On board Digital Inputs The EM720 is equipped with four fast Dry contact detector – Digital I

Chapter 2 Installation 13 Digital Inputs/Digital Outputs (2DI/2DO – optional module) The 2D/2DO module consists of two status inputs and two FORM C

14 Chapter 2 Installation Communications options The EM720 has numerous communication possibilities depending on your ordering preferences. All comm

Chapter 2 Installation 15 5. After one minute the "LNK" GREEN LED is flashing until it lights "ON" continuously 6. The "

ii LIMITED WARRANTY The manufacturer offers the customer a 24-month functional warranty on the instrument for faulty workmanship or parts from dat

16 Chapter 2 Installation Figure 18: Serial Communication Connection – RS-232 COM3 ETHERNET/USB Communication port (ETH/USB – optional module) The

Chapter 2 Installation 17 Figure 20: Mini-USB device Connection To prevent potential differences between the Personal Computer (PC) USB port an

18 Chapter 2 Installation Auxiliary Power Supply Low DC Auxiliary Power Supply The EM720 can be equipped with additional power supply to redundant t

Chapter 2 Installation 19 Location of Modules The 3 slots expand the EM720 with additional input/output ports (future module), communication modules

Chapter 3 Communications 20 Chapter 3 Communications 2. Communications Computer Connections – RS-232 Figure 24: RS-232 Simple 3-wir

Appendix: Technical Specifications 21 Chapter 4 Replacing the Battery When the battery level drops below the minimum allowed threshold, the LCD g

Appendix: Technical Specifications 22 Appendix: Technical Specifications Inputs Ratings AC Voltage inputs V1, V2, V3, VN and VG 50/60 Hz

Appendix: Technical Specifications 23 AC Current inputs 4 Galvanic isolated Inputs Overload current (continuously) Imax 2 x

Appendix: Technical Specifications 24 Power Supply 3P power supply (MPS) Power Supply Inputs from measured AC Voltage inputs 207-480V AC 50/60 Hz

Appendix: Technical Specifications 25 Communication ports COM1 Front panel Optical Communication port IEC 62056-21 Max. Baud rate 19.200 kb/s

iii Table of Contents Chapter 1 Introduction... 1 About Th

Appendix: Technical Specifications 26 Console Display Unit LCD graphic bright display Multiple screens display Resolution 128 x 32 dots Viewing a

Appendix: Technical Specifications 27 Standards Compliance EMC IEC standards IEC 61000-2 ESD - IEC61000-4-2/IEC 62052-11 15KV/– air/contact Elec

Appendix: Technical Specifications 28 Measurement Specifications AccuracyParameter Full Scale @ Input Range % Reading % FS Conditions Range Volta

iv FIGURES Figure 1: Dimensions...

Chapter 1 Introduction 1 Chapter 1 Introduction About This Manual This manual is intended to assist the user in the installation of the eXpertmeter

2 Chapter 1 Introduction AC/DC Inputs • Three AC voltage inputs - up to 480VAC direct line-to-line input voltage, for feeding and measurement • Th

Chapter 2 Installation 3 Chapter 2 Installation 1. Installation Mechanical Installation Refer to the figures provided in this section to properly

4 Chapter 2 Installation Figure 2: Wall mount dimensions

Chapter 2 Installation 5 Electrical Installation Before installing, ensure that all incoming power sources are shut OFF. Failure to observe this pr