Three-phase systems with CTs and VTs

iEM3100 / iEM3200 / iEM3300 series user manual	Hardware and installation

250 mA fuses and disconnect switch

Shorting block

VT primary fuses and disconnect switch

indicates wiring for a balanced system

Power system	Wiring
2 VTs, 1 CT	2 VTs, 2 CTs	2 VTs, 3 CTs
V1 V2 V3Vn	V1 V2 V3Vn	V1 V2 V3Vn
3PH3W
3 VTs, 1 CTs	3 VTs, 2 CTs	3 VTs, 3 CTs
V1 V2 V3Vn	V1 V2 V3Vn	V1 V2 V3Vn
3PH4W

DOCA0005EN-04

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Image 31

Schneider Electric iEM3200, iEM3300, iEM3100 user manual Three-phase systems with CTs and VTs

Contents

IEM3100 / iEM3200 / iEM3300 series Page DOCA0005EN-04 Important information Safety informationPlease note FCC Part 15 notice Validity note About the bookRelated documents Document scope Contents Chapter Communications via M-Bus Chapter SpecificationsChapter Troubleshooting 103 Chapter Power, energy and power factor 105 Hazard of Electric SHOCK, EXPLOSION, or ARC Flash Safety precautions Safety precautions DOCA0005EN-04 Overview of meter functions Main characteristicsWhat is in this chapter? Chapter Overview 5 a meters Digital outputs Or overload alarm Pulse output onlyFunction Typical applications Typical applicationsIEM31 and iEM33 series IEM32 series Overview IEM33 meters Hardware and installationDimensions IEM31 and iEM32 meters All meters Meter sealing points Hardware overviewIEM3100 / iEM3110 / iEM3115 Direct measurement up to 63 a Digital input IEM3200 / iEM3210 / iEM3215 Measurement with CTs IEM3235 Measurement with CTs and M-Bus communications IEM3300 / iEM3310 Direct measurement up to 125 a IEM3275 Measurement with CTs and LonWorks communications Digital input iEM3355 / iEM3365 Mounting the meter on a DIN rail DIN rail mounting and dismounting Dismounting the meter from a DIN rail Pulse output wiring iEM3110 / iEM3210 / iEM3310 Input, output and communications wiringDigital input wiring iEM3115 / iEM3215 M-Bus communications connection is polarity-independent Bus communications wiring iEM3135 / iEM3235 / iEM3335 Current input protection for 1 a and 5 a meters Power system wiringLonWorks communications wiring iEM3175 / iEM3275 / iEM3375 Voltage input protection IEM Direct measurement meter wiringFuses and disconnect switch Power system Power system Wiring Power system Wiring Single-phase systems with CTs 1 a meter wiringMA fuses and disconnect switch Shorting block Three-phase systems with CTs Three-phase systems with CTs and VTs Hardware and installation DOCA0005EN-04 Data display screen overview Front panel display and meter setup1234.5 Data display Data display screens Example navigating the display screens Data display screens iEM3150 / iEM3250 / iEM3350 Phase 3 Current Reset Description ResetsMulti Tariff feature Resetting accumulated energy using the display Date/time format Clock behavior on power interruptionMeter status information Device clock Front panel display in configuration mode Device configurationSetting the clock initially Entering configuration mode Selecting a value from a list Com. Protection settingExample Configuring a list value Modifying parameters Canceling an entry Configuration mode menusExample configuring a numeric value 1PH2W L-L 1PH3W L-L-N Section Parameter Options Description Configuration menu for iEM3150 / iEM3350 Com.Protection Contrast Password Reset Config By Internal Clock Configuration menus for iEM3200 / iEM3210 / iEM3215 Configuration menus for iEM3250 Com.Protection 3PH3W 3PH4W Section Parameter Options Description Front panel display and meter setup DOCA0005EN-04 Modbus communication overview Modbus communications settingsCommunications LED indicator for Modbus devices Communications via Modbus RS-485 Unit table Modbus functionsFunction list Table format Command result Command interfaceCommand interface overview Command request Action Size Type Unit Range Description Number Command listCommand Action Size Type Unit Range Description Set Date/Time Set Tariff iEM3155 / iEM3255 / iEM3355 Set Pulse Output iEM3155 / iEM3255 / iEM3355Size Type Unit Range Description Overload Alarm Setup iEM3155 / iEM3255 / iEM3355 Input Metering Setup iEM3155 / iEM3255 / iEM3355Communications Setup Modbus register list Meter Setup and StatusReset Partial Energy Counters Reset Input Metering Counter iEM3155 / iEM3255 / iEM3355 Communication Energy Pulse Output Setup iEM3155 / iEM3255 / iEM3355Command Interface Input Metering Setup iEM3155 / iEM3255 / iEM3355 Meter Data Current, voltage, power, power factor and frequencyDigital Input iEM3155 / iEM3255 / iEM3355 Digital Output iEM3155 / iEM3255 / iEM3355 Energy, energy by tariff and input metering Read Device Identification Overload Alarm iEM3155 / iEM3255 / iEM3355Energy values 32-bit floating point Object ID Name/Description Length Value LonWorks communication implementation LED indicators for LonWorks metersCommunications via LonWorks LonWorks communications overview Green communications LED Location of the service pin and Neuron IDGeneral variables System variables Type Description Energy and energy by tariff measurements Instantaneous RMS measurements Meter status information System configuration informationDigital input configuration and status information Alarm status Network variable label Type Description Action Meter configuration propertiesResets Date/time setup Struct Members Range / options Description Basic setupDigital input setup Input metering setup Range / options Description Overload alarm setupMulti Tariff setup Network propagation rate setup Installing and registering the LonMaker plug-in Tab name Description Browsing the meter using the LonMaker plug-inLonMaker plug-in interface Plug-in has the following tabs Meter Status Communications via LonWorks DOCA0005EN-04 Key terms Configuring basic communications settingsCommunications via M-Bus Bus communications overview Bus protocol implementation Bus protocol support Fixed data header Variable data structure telegram informationData record header information Description Bin Hex Manufacturer-specific Vife codes Primary VIF Primary Vife Telegram information for data recordsMeter information Bin Hex Data format Primary VIF Instantaneous measurementsDate and time information Data format Digital input and output status information Power system configuration informationData format Primary Vife Action Description Bin Hex Telegram information for meter configurationAlarm status information Supported Vife codes for meter configuration Data format Primary VIF Description Date/time setupPower system setup Multi Tariff setup Baud rate Digital input setupDigital output setup Overload alarm setup and acknowledgment Resets Bus tool for data display and meter configurationInstalling the M-Bus tool Accessing the meter using the tool Viewing meter data using the M-Bus tool Select Setup Config to switch to configuration mode Configuring the meter using the M-Bus toolSection Description Communications via M-Bus DOCA0005EN-04 Related topics Communications via BACnetBACnet communications overview BACnet protocol support Object type Configuring basic communication parametersBACnet communications implementation Following standard object types are supported Device object Communications LED indicator for BACnet metersBACnet object and property information Change of Value COV subscriptions Analog Input objects Object ID Units Default COV Object name / descriptionEnergy and energy by tariff measurements Meter information Instantaneous RMS measurements Digital input and output setting information Communications settings information Object ID Object name / description CommandAnalog Value object Binary Input objects Communications via BACnet DOCA0005EN-04 Power system inputs iEM33 meters Chapter SpecificationsElectrical characteristics Power system inputs iEM31 meters Characteristic Value Meters Power system inputs iEM32 metersInputs and outputs Environmental characteristics Mechanical characteristicsMeasurement accuracy Modbus communications Internal clockLonWorks communications BACnet communications Bus communications Specifications 102 DOCA0005EN-04 Diagnosis screen TroubleshootingDo not open the meter. Opening the meter voids the warranty Diagnosis screen lists any current diagnostic codes Description Possible solution Diagnostic codes Power flow Power, energy and power factorPower PQS Power and the PQ coordinate system PF lead / lag convention Power factor PFTrue PF and displacement PF Energy delivered imported / energy received exported PF sign in IEC Power and PF lead / lagPF sign convention PF lead / lag summary To +1 +1 to +2 Power factor register formatTo +1 Quadrant PF formula Quadrant PF range Power, energy and power factor 110 DOCA0005EN-04 Page Schneider Electric 35, rue Joseph Monier CS30323