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EM3 555 Bi- Directional C ompa ct P o we r and Ene rgy Meter Installat ion Guide ZL0093-0A 1 1/201 1.
© 201 1 Schneider Electric All Rights Reserved. EM3555 ZL0093-0A 1 1/201 1 HA ZARD CA TE GORIE S AND SPE CIAL SYMBOLS Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service or maintain it.
i © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Contents CONTENT S Safety Precautions .............................................................................................. 1 Installation Overview ................
ii © 201 1 Schneider Electric All Rights Reserved. EM3555 Contents ZL0093-0A 1 1/201 1.
1 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Safety Precautions SA FET Y PR ECAUT I O NS D ANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH • Follow safe e lec tr ic al wor k prac ti ce s. See N FP A 70E in the U SA or applicable local codes.
2 © 201 1 Schneider Electric All Rights Reserved. EM3555 Specifications ZL0093-0A 1 1/201 1 SPE CIFIC A TIONS T a bl e 1 Specif ications T ype Description Measurement Accuracy Real Power and Energy IEC 62053-22 Class 0.5S, ANSI C12.20 0.5% Reactive Power and Energy IEC 62053-23 Class 2, 2% Current 0.
3 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Specifications T ype Description Environmental Conditions Operating T emperature -30° to 70°C (-22° to 158°F) Storage T emperature -40° to 85°C (-40° to 185°F) Humidity Range <95% RH (non-condensing) Altitude of Operation 3 km max.
4 © 201 1 Schneider Electric All Rights Reserved. EM3555 Introduction ZL0093-0A 1 1/201 1 INTRODUCTION The EM3555 DIN Rail Power Meter provides a solution for measuring energy data with a single device. Inputs include Control Power , CT s, and 3-phase voltage.
5 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Dimensions DIM ENSIO NS Figu re 2 EM Series Dimensi ons 4.2” (107 mm) 3.6” (91 mm) 1.5” (39 mm) 2.3” (59 mm) 1.9” (48 mm) 1.8” (45 mm) 3.6 “ (91 mm) 4.2 “ (107 mm) 0.
6 © 201 1 Schneider Electric All Rights Reserved. EM3555 Data Output ZL0093-0A 1 1/201 1 DA T A O UTPUT T a bl e 2 Data Output Full Data Set (FDS): Signed Power: real, reactive, and apparent 3-phase .
7 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Installation INST ALLA TION NOTE: Observe correct CT orientation. The meter can be mounted in two ways: on standard 35 mm DIN rail or screw-mounted to the interior surface of the enclosure.
8 © 201 1 Schneider Electric All Rights Reserved. EM3555 Supported System T ypes ZL0093-0A 1 1/201 1 SUPPORTED S YS TEM T YPES The meter has a number of different possible system wiring congurations (see Wiring Diagrams). T o congure the meter , set the System T ype via the User Interface or Modbus register 130.
9 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Wiring WIRING D ANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH • Ap ply app ropr iate p ers onal p rotec tive equi pment (PPE) and f ollow s afe elec tr ic al wor k pr acti ce s.
10 © 201 1 Schneider Electric All Rights Reserved. EM3555 Wiring Diagrams ZL0093-0A 1 1/201 1 WIRING DIA GR AMS RISK OF ELECTRIC SHOCK CT negative terminals are referenced to the meter’s neutral an.
11 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Control Power CONT ROL P OWER Direct Connect Control Power (DC Control Power) L1 N L2 L3 1 2 G L1 N L2 L3 1 2 G L1 1 2 G .
12 © 201 1 Schneider Electric All Rights Reserved. EM3555 Display Screen Diagram ZL0093-0A 1 1/201 1 DISPLA Y SC REEN DIA GR AM Figu re 5 Display Screen .
13 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Quick Setup Instructions QUICK SETUP INSTRUCTIONS These instructions assume the meter is set to factory defaults. If it has been previously congured, all optional values should be checked.
14 © 201 1 Schneider Electric All Rights Reserved. EM3555 Solid-state Pulse Output ZL0093-0A 1 1/201 1 SOLI D - ST A TE PULSE OUTPUT The meter has one normally open (N.O.) KY Form A output and one normally closed (N.C.) solid-state output.* One is dedicated to import energy (Wh), and the other to Alarm.
15 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 UI Menu Abbreviations Defined UI MENU ABBREVI A TIONS DEF INED The user can set the display mode to IEC or IEEE notation in the SETUP menu.
16 © 201 1 Schneider Electric All Rights Reserved. EM3555 User Interface for Data Configuration ZL0093-0A 1 1/201 1 USER INT ERF A CE F OR D A T A C ONFIGURA TION _PHAS APHA S BPHA S CPHAS 3 A 3 VLL .
17 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 User Interface for Data Configuration _PHAS APHA S BPHA S CP HAS 3 A 3 U 3 V 3 KP A A A U A KP 1, 2, or 3 Phase Summary D.
18 © 201 1 Schneider Electric All Rights Reserved. EM3555 Alert/Reset Information ZL0093-0A 1 1/201 1 ALERT /RESET INFORMA TION SE TU P ALERT RESE T Bac k Display “nOnE” if no alerts To Setup Set.
19 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 User Interface for Setup USER INT ERF A CE F OR SETU P Next Nex t From: SE T UP > PAS WD ADDR -- -- ---- 0 01 BAU D -- --- -- - 38400 19200 9600 4800 2400 1200 PA R --- -- --- nOnE EvEn Od d Set Communications Parameters: ADDR - Modbus Address: 1 – 247.
20 © 201 1 Schneider Electric All Rights Reserved. EM3555 User Interface for Setup ZL0093-0A 1 1/201 1 Nex t Set Pa ss w ord s: SET UP - The Password to enter the SETUP m enu.
21 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 RS-485 Communications RS- 4 85 COMM UNICA TI ONS Daisy- chaining D evices to th e Po wer Met er The RS-485 slave port allows the power meter to be connected in a daisy chain with up to 63 2-wire devices.
22 © 201 1 Schneider Electric All Rights Reserved. EM3555 Data Logging ZL0093-0A 1 1/201 1 D ATA L O G G I N G The EM3555 includes a data logging feature that records 10 meter parameters, each in its own buffer . Configuration Use register 150 to set the data logging time subinterval.
23 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Standard Modbus Default Settings ST ANDARD MODBU S DEF A UL T SETTI NGS T a bl e 7 Mo dbu s De fa ult S et t ing s Settin.
24 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 MO DBUS PO I NT M AP The EM3555 Full Data Set (FDS) features data outputs such as demand calculations, per phase signed watts V A and V AR, import/export Wh and V Ah, and V ARh accumulators by quadrant.
25 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Modbus Point Map Legend The following table lists the addresses assigned to each data point. For oating point format variables, each data point appears twice because two 16-bit addresses are required to hold a 32-bit oat value.
26 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 REGISTER R/W NV Format Units Scale Range Description Integer Data: Summary of Active Phases 001 R NV SLo.
27 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Modbus Point Map REGISTER R/W NV Format Units Scale Range Description 032 R NV SInt kW W -32767 to +32767 T otal Real Power Max. Demand Import Reset via register 129 033 R NV SInt kV AR W -32767 to +32767 T otal Reactive Power Max.
28 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 REGISTER R/W NV Format Units Scale Range Description 055 R NV ULong kV ARh E 0 to 0xFFFFFFFF Accumulated.
29 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Modbus Point Map REGISTER R/W NV Format Units Scale Range Description 079 R NV ULong kV Ah E 0 to 0xFFFFFFFF Accumulated .
30 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 REGISTER R/W NV Format Units Scale Range Description 129 R/W UInt N/A Reset: - Write 30078 (0x757E) to clear all energy accumulators to 0 (all). - Write 2121 1 (0x52DB) to begin new demand sub-interval calculation cycle.
31 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Modbus Point Map REGISTER R/W NV Format Units Scale Range Description 142 R/W NV UInt % 1-99 Phase Loss V oltage Threshold in percent of system voltage (register 134). Default value is 10 (%).
32 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 REGISTER R/W NV Format Units Scale Range Description 149 R/W NV UInt 1-6 Number of Sub-Intervals per Demand Interval. Sets the number of sub-intervals that make a single demand interval.
33 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Modbus Point Map REGISTER R/W NV Format Units Scale Range Description 161 R NV UInt 0-32767 Log Buffer W rap / Missed Log Counter . In continuous mode, this counter increments each time the internal circular log buffer wraps and overwrites old data.
34 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 REGISTER R/W NV Format Units Scale Range Description Floating Point Data: Summary of Active Phases 257/2.
35 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 Modbus Point Map REGISTER R/W NV Format Units Scale Range Description Floating Point Data: Per Phase 317/318 R Float kWh .
36 © 201 1 Schneider Electric All Rights Reserved. EM3555 Modbus Point Map ZL0093-0A 1 1/201 1 REGISTER R/W NV Format Units Scale Range Description 383/384 R Float Ratio 0.0-1.0 Power Factor , Phase A Power Factor (PF) 385/386 R Float Ratio 0.0-1.0 Power Factor , Phase B 387/388 R Float Ratio 0.
37 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 SunSpec Compliant Common and Meter Model Register Blocks SUNSP E C COMP LIANT C OMMON AND M ETER MODEL RE GISTER BL OCK S T a bl e 9 SunSpec Complian ce Information ( see ww w.
38 © 201 1 Schneider Electric All Rights Reserved. EM3555 SunSpec Compliant Common and Meter Model Register Blocks ZL0093-0A 1 1/201 1 Register R/W NV Format Units Scale Range SunSpec Name Descriptio.
39 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 SunSpec Compliant Common and Meter Model Register Blocks Register R/W NV Format Units Scale Range SunSpec Name Descriptio.
40 © 201 1 Schneider Electric All Rights Reserved. EM3555 SunSpec Compliant Common and Meter Model Register Blocks ZL0093-0A 1 1/201 1 Register R/W NV Format Units Scale Range SunSpec Name Description Events 40175 R NV ULong Flags M_Events Bit Map. See M_EVENT_ags.
41 © 201 1 Schneider Electric All Rights Reserved. ZL0093-0A 1 1/201 1 EM3555 T roubleshooting TROUBL ESHOOTING T a bl e 10 T roubleshooting Problem Cause Solution The maintenance wrench icon appears in the power meter display . There is a problem with the inputs to the power meter .
ION, Modbus, and P owerLogic are either trademarks or registered trademarks of Schneider Electric in Fr ance, the USA and other countries. Other tr ademarks used are the proper ty of their respective o wners. Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel.
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