IEM3100 / iEM3200 / iEM3300 series
Page
DOCA0005EN-04
Important information
Safety information
Please note
FCC Part 15 notice
About the book
Related documents
Document scope
Validity note
Contents
Chapter Specifications
Chapter Troubleshooting 103
Chapter Power, energy and power factor 105
Chapter Communications via M-Bus
Safety precautions
Hazard of Electric SHOCK, EXPLOSION, or ARC Flash
Safety precautions DOCA0005EN-04
Main characteristics
What is in this chapter?
Chapter Overview
Overview of meter functions
5 a meters
Digital outputs Or overload alarm Pulse output only
Function
Typical applications
IEM31 and iEM33 series
IEM32 series
Typical applications
Overview
Hardware and installation
Dimensions
IEM31 and iEM32 meters
IEM33 meters
All meters Meter sealing points
Hardware overview
IEM3100 / iEM3110 / iEM3115 Direct measurement up to 63 a
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 a
Digital input iEM3355 / iEM3365
DIN rail mounting and dismounting
Mounting the meter on a DIN rail
Dismounting the meter from a DIN rail
Pulse output wiring iEM3110 / iEM3210 / iEM3310
Input, output and communications wiring
Digital input wiring iEM3115 / iEM3215
Bus communications wiring iEM3135 / iEM3235 / iEM3335
M-Bus communications connection is polarity-independent
Power system wiring
LonWorks communications wiring iEM3175 / iEM3275 / iEM3375
Voltage input protection
Current input protection for 1 a and 5 a meters
Direct measurement meter wiring
Fuses and disconnect switch
Power system
IEM
Power system Wiring
Power system Wiring
Single-phase systems with CTs
1 a meter wiring
MA fuses and disconnect switch Shorting block
Three-phase systems with CTs
Three-phase systems with CTs and VTs
Hardware and installation DOCA0005EN-04
Front panel display and meter setup
1234.5
Data display
Data display screen overview
Example navigating the display screens
Data display screens
Phase 3 Current
Data display screens iEM3150 / iEM3250 / iEM3350
Resets
Multi Tariff feature
Resetting accumulated energy using the display
Reset Description
Clock behavior on power interruption
Meter status information
Device clock
Date/time format
Device configuration
Setting the clock initially
Entering configuration mode
Front panel display in configuration mode
Com. Protection setting
Example Configuring a list value
Modifying parameters
Selecting a value from a list
Canceling an entry
Configuration mode menus
Example configuring a numeric value
Section Parameter Options Description
1PH2W L-L 1PH3W L-L-N
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 communications settings
Communications LED indicator for Modbus devices
Communications via Modbus RS-485
Modbus communication overview
Modbus functions
Function list
Table format
Unit table
Command interface
Command interface overview
Command request
Command result
Command list
Command Action Size Type Unit Range Description
Set Date/Time
Action Size Type Unit Range Description Number
Set Tariff iEM3155 / iEM3255 / iEM3355
Set Pulse Output iEM3155 / iEM3255 / iEM3355
Size Type Unit Range Description
Overload Alarm Setup iEM3155 / iEM3255 / iEM3355
Input Metering Setup iEM3155 / iEM3255 / iEM3355
Communications Setup
Meter Setup and Status
Reset Partial Energy Counters
Reset Input Metering Counter iEM3155 / iEM3255 / iEM3355
Modbus register list
Energy Pulse Output Setup iEM3155 / iEM3255 / iEM3355
Command Interface
Input Metering Setup iEM3155 / iEM3255 / iEM3355
Communication
Current, voltage, power, power factor and frequency
Digital Input iEM3155 / iEM3255 / iEM3355
Digital Output iEM3155 / iEM3255 / iEM3355
Meter Data
Energy, energy by tariff and input metering
Read Device Identification
Overload Alarm iEM3155 / iEM3255 / iEM3355
Energy values 32-bit floating point
Object ID Name/Description Length Value
LED indicators for LonWorks meters
Communications via LonWorks
LonWorks communications overview
LonWorks communication implementation
Location of the service pin and Neuron ID
General variables
System variables
Green communications LED
Energy and energy by tariff measurements
Type Description
Instantaneous RMS measurements
System configuration information
Digital input configuration and status information
Alarm status
Meter status information
Meter configuration properties
Resets
Date/time setup
Network variable label Type Description Action
Basic setup
Digital input setup
Input metering setup
Struct Members Range / options Description
Overload alarm setup
Multi Tariff setup
Network propagation rate setup
Range / options Description
Installing and registering the LonMaker plug-in
Browsing the meter using the LonMaker plug-in
LonMaker plug-in interface
Plug-in has the following tabs
Tab name Description
Meter Status
Communications via LonWorks DOCA0005EN-04
Configuring basic communications settings
Communications via M-Bus
Bus communications overview
Key terms
Bus protocol support
Bus protocol implementation
Fixed data header
Variable data structure telegram information
Data record header information
Manufacturer-specific Vife codes
Description Bin Hex
Telegram information for data records
Meter information
Bin Hex
Primary VIF Primary Vife
Instantaneous measurements
Date and time information
Data format
Data format Primary VIF
Digital input and output status information
Power system configuration information
Data format Primary Vife
Telegram information for meter configuration
Alarm status information
Supported Vife codes for meter configuration
Action Description Bin Hex
Date/time setup
Power system setup
Multi Tariff setup
Data format Primary VIF Description
Digital input setup
Digital output setup
Overload alarm setup and acknowledgment
Baud rate
Bus tool for data display and meter configuration
Installing the M-Bus tool
Accessing the meter using the tool
Resets
Viewing meter data using the M-Bus tool
Select Setup Config to switch to configuration mode
Configuring the meter using the M-Bus tool
Section Description
Communications via M-Bus DOCA0005EN-04
Communications via BACnet
BACnet communications overview
BACnet protocol support
Related topics
Configuring basic communication parameters
BACnet communications implementation
Following standard object types are supported
Object type
Communications LED indicator for BACnet meters
BACnet object and property information
Change of Value COV subscriptions
Device object
Analog Input objects
Object ID Units Default COV Object name / description
Energy and energy by tariff measurements
Instantaneous RMS measurements
Meter information
Communications settings information
Digital input and output setting information
Command
Analog Value object
Binary Input objects
Object ID Object name / description
Communications via BACnet DOCA0005EN-04
Chapter Specifications
Electrical characteristics
Power system inputs iEM31 meters
Power system inputs iEM33 meters
Characteristic Value Meters
Power system inputs iEM32 meters
Inputs and outputs
Environmental characteristics
Mechanical characteristics
Measurement accuracy
Modbus communications
Internal clock
LonWorks communications
Bus communications
BACnet communications
Specifications 102 DOCA0005EN-04
Troubleshooting
Do not open the meter. Opening the meter voids the warranty
Diagnosis screen lists any current diagnostic codes
Diagnosis screen
Diagnostic codes
Description Possible solution
Power, energy and power factor
Power PQS
Power and the PQ coordinate system
Power flow
Power factor PF
True PF and displacement PF
Energy delivered imported / energy received exported
PF lead / lag convention
Power and PF lead / lag
PF sign convention
PF lead / lag summary
PF sign in IEC
Power factor register format
To +1
Quadrant
To +1 +1 to +2
Quadrant PF range
PF formula
Power, energy and power factor 110 DOCA0005EN-04
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