Schneider Electric Understanding Communications via Modbus RS-485 for Indoor Furnishings
Page 62

Communications via Modbus RS-485

 

 

 

iEM3100 / iEM3200 / iEM3300 series user manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Object ID

Name/Description

Length

Value

Note

 

 

 

 

 

 

 

 

 

0x00

VendorName

16

SchneiderElectric

–

 

 

 

 

 

 

 

 

 

 

 

 

A9MEM3150

 

 

 

 

 

 

A9MEM3155

 

 

 

0x01

ProductCode

09

A9MEM3250

The ProductCode value is identical to the catalog number

 

 

A9MEM3255

of each device.

 

 

 

 

 

 

 

 

 

 

A9MEM3350

 

 

 

 

 

 

A9MEM3355

 

 

 

 

 

 

 

 

 

 

0x02

MajorMinorRevision

04

V1.0

Equivalent to X.Y in register 1637

 

 

 

 

 

 

 

 

The Read Device ID codes 01 and 04 are supported:

•01 = request to get basic device identification (stream access)

•04 = request to get one specific identification object (individual access)

The Modbus request and response are compliant with the Modbus Application Protocol Specification.

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DOCA0005EN-04

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Contents IEM3100 / iEM3200 / iEM3300 series Page DOCA0005EN-04 Please note Safety informationImportant information FCC Part 15 notice Document scope About the bookRelated documents Validity noteContents Chapter Power, energy and power factor 105 Chapter SpecificationsChapter Troubleshooting 103 Chapter Communications via M-BusSafety precautions Hazard of Electric SHOCK, EXPLOSION, or ARC FlashSafety precautions DOCA0005EN-04 Chapter Overview Main characteristicsWhat is in this chapter? Overview of meter functionsFunction Digital outputs Or overload alarm Pulse output only5 a meters IEM32 series Typical applicationsIEM31 and iEM33 series Typical applicationsOverview IEM31 and iEM32 meters Hardware and installationDimensions IEM33 metersIEM3100 / iEM3110 / iEM3115 Direct measurement up to 63 a Hardware overviewAll meters Meter sealing points Digital input IEM3200 / iEM3210 / iEM3215 Measurement with CTs IEM3235 Measurement with CTs and M-Bus communications IEM3275 Measurement with CTs and LonWorks communications IEM3300 / iEM3310 Direct measurement up to 125 aDigital input iEM3355 / iEM3365 DIN rail mounting and dismounting Mounting the meter on a DIN railDismounting the meter from a DIN rail Digital input wiring iEM3115 / iEM3215 Input, output and communications wiringPulse output wiring iEM3110 / iEM3210 / iEM3310 Bus communications wiring iEM3135 / iEM3235 / iEM3335 M-Bus communications connection is polarity-independentVoltage input protection Power system wiringLonWorks communications wiring iEM3175 / iEM3275 / iEM3375 Current input protection for 1 a and 5 a metersPower system Direct measurement meter wiringFuses and disconnect switch IEMPower system Wiring Power system WiringMA fuses and disconnect switch Shorting block 1 a meter wiringSingle-phase systems with CTs Three-phase systems with CTs Three-phase systems with CTs and VTs Hardware and installation DOCA0005EN-04 Data display Front panel display and meter setup1234.5 Data display screen overviewExample navigating the display screens Data display screensPhase 3 Current Data display screens iEM3150 / iEM3250 / iEM3350Resetting accumulated energy using the display ResetsMulti Tariff feature Reset DescriptionDevice clock Clock behavior on power interruptionMeter status information Date/time formatEntering configuration mode Device configurationSetting the clock initially Front panel display in configuration modeModifying parameters Com. Protection settingExample Configuring a list value Selecting a value from a listExample configuring a numeric value Configuration mode menusCanceling an entry Section Parameter Options Description 1PH2W L-L 1PH3W L-L-NConfiguration 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 Communications via Modbus RS-485 Modbus communications settingsCommunications LED indicator for Modbus devices Modbus communication overviewTable format Modbus functionsFunction list Unit tableCommand request Command interfaceCommand interface overview Command resultSet Date/Time Command listCommand Action Size Type Unit Range Description Action Size Type Unit Range Description NumberSize Type Unit Range Description Set Pulse Output iEM3155 / iEM3255 / iEM3355Set Tariff iEM3155 / iEM3255 / iEM3355 Communications Setup Input Metering Setup iEM3155 / iEM3255 / iEM3355Overload Alarm Setup iEM3155 / iEM3255 / iEM3355 Reset Input Metering Counter iEM3155 / iEM3255 / iEM3355 Meter Setup and StatusReset Partial Energy Counters Modbus register listInput Metering Setup iEM3155 / iEM3255 / iEM3355 Energy Pulse Output Setup iEM3155 / iEM3255 / iEM3355Command Interface CommunicationDigital Output iEM3155 / iEM3255 / iEM3355 Current, voltage, power, power factor and frequencyDigital Input iEM3155 / iEM3255 / iEM3355 Meter DataEnergy, energy by tariff and input metering Energy values 32-bit floating point Overload Alarm iEM3155 / iEM3255 / iEM3355Read Device Identification Object ID Name/Description Length Value LonWorks communications overview LED indicators for LonWorks metersCommunications via LonWorks LonWorks communication implementationSystem variables Location of the service pin and Neuron IDGeneral variables Green communications LEDEnergy and energy by tariff measurements Type DescriptionInstantaneous RMS measurements Alarm status System configuration informationDigital input configuration and status information Meter status informationDate/time setup Meter configuration propertiesResets Network variable label Type Description ActionInput metering setup Basic setupDigital input setup Struct Members Range / options DescriptionNetwork propagation rate setup Overload alarm setupMulti Tariff setup Range / options DescriptionInstalling and registering the LonMaker plug-in Plug-in has the following tabs Browsing the meter using the LonMaker plug-inLonMaker plug-in interface Tab name DescriptionMeter Status Communications via LonWorks DOCA0005EN-04 Bus communications overview Configuring basic communications settingsCommunications via M-Bus Key termsBus protocol support Bus protocol implementationData record header information Variable data structure telegram informationFixed data header Manufacturer-specific Vife codes Description Bin HexBin Hex Telegram information for data recordsMeter information Primary VIF Primary VifeData format Instantaneous measurementsDate and time information Data format Primary VIFData format Primary Vife Power system configuration informationDigital input and output status information Supported Vife codes for meter configuration Telegram information for meter configurationAlarm status information Action Description Bin HexMulti Tariff setup Date/time setupPower system setup Data format Primary VIF DescriptionOverload alarm setup and acknowledgment Digital input setupDigital output setup Baud rateAccessing the meter using the tool Bus tool for data display and meter configurationInstalling the M-Bus tool ResetsViewing meter data using the M-Bus tool Section Description Configuring the meter using the M-Bus toolSelect Setup Config to switch to configuration mode Communications via M-Bus DOCA0005EN-04 BACnet protocol support Communications via BACnetBACnet communications overview Related topicsFollowing standard object types are supported Configuring basic communication parametersBACnet communications implementation Object typeChange of Value COV subscriptions Communications LED indicator for BACnet metersBACnet object and property information Device objectEnergy and energy by tariff measurements Object ID Units Default COV Object name / descriptionAnalog Input objects Instantaneous RMS measurements Meter informationCommunications settings information Digital input and output setting informationBinary Input objects CommandAnalog Value object Object ID Object name / descriptionCommunications via BACnet DOCA0005EN-04 Power system inputs iEM31 meters Chapter SpecificationsElectrical characteristics Power system inputs iEM33 metersInputs and outputs Power system inputs iEM32 metersCharacteristic Value Meters Measurement accuracy Mechanical characteristicsEnvironmental characteristics LonWorks communications Internal clockModbus communications Bus communications BACnet communicationsSpecifications 102 DOCA0005EN-04 Diagnosis screen lists any current diagnostic codes TroubleshootingDo not open the meter. Opening the meter voids the warranty Diagnosis screenDiagnostic codes Description Possible solutionPower and the PQ coordinate system Power, energy and power factorPower PQS Power flowEnergy delivered imported / energy received exported Power factor PFTrue PF and displacement PF PF lead / lag conventionPF lead / lag summary Power and PF lead / lagPF sign convention PF sign in IECQuadrant Power factor register formatTo +1 To +1 +1 to +2Quadrant PF range PF formulaPower, energy and power factor 110 DOCA0005EN-04 Page Schneider Electric 35, rue Joseph Monier CS30323
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