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EM511
Energy analyzer for single-phase systems
30/05/2023
USER MANUAL
Contents
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This manual 3
EM511 4
Introduction 4
Description 4
Available versions 5
UCS (Universal Configuration Software) 5
Use 6
Interface 6
Introduction 6
Push buttons 6
Menu Overview 7
Measurement page 8
Information and warnings 8
SETUP menu 9
INFO menu 9
RESET menu 9
Commissioning 10
Commissioning 10
Introduction 10
QUICK SETUP menu 10
Menu description 15
Measurement pages 15
SETTINGS menu 16
INFO menu 17
RESET menu 18
Input, output and communication 19
Digital input 19
Digital output (version O1) 19
Modbus RTU port (version S1) 19
M-Bus port (version M1) 19
Essential information 20
Alarms 20
Introduction 20
Variables 20
Alarm types 20
DMD values 21
Average value calculation (dmd) 21
Integration interval 21
Example 21
LCD display 21
Home page 21
Backlight 21
Screensaver 22
Page filter 22
Restoring the factory settings 22
Restoring the settings using the RESET menu 22
Offset function 22
Setting some target values using the total reset function 22
Tariff management 24
Tariff management via digital input 24
Tariff management Modbus RTU 24
Maintenance and disposal 25
Troubleshooting 25
Alarms 25
Communication problems 25
Display problem 25
Download 26
Cleaning 26
Responsibility for disposal 26
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This manual
Information property
Copyright © 2023, CARLO GAVAZZI Controls SpA
All rights reserved in all countries.
CARLO GAVAZZI Controls SpA reserves the right to apply modifications or make improvements to the relative documentation
without the obligation of advance notice.
Safety messages
The following section describes the warnings related to user and device safety included in this document:
NOTICE: indicates obligations that if not observed may lead to damage to the device.
CAUTION! Indicates a risky situation which, if not avoided, may cause data loss.
IMPORTANT: provides essential information on completing the task that should not be neglected.
General warnings
This manual is an integral part of the product and accompanies it for its entire working life. It should be consulted for all
situations tied to configuration, use and maintenance. For this reason, it should always be accessible to operators.
NOTICE: no one is authorized to open the analyzer. This operation is reserved exclusively for CARLO GAVAZZI technical
service personnel.
Protection may be impaired if the instrument is used in a manner not specified by the manufacturer.
Service and warranty
In the event of malfunction, fault, requests for information or to purchase accessory modules, contact the CARLO GAVAZZI
branch or distributor in your country.
Installation and use of analyzers other than those indicated in the provided instructions and removal of the MABC module void the
warranty.
EM511
Introduction
EM511 is an energy analyzer for direct connection up to 45 A, for single-phase systems up to 240 V L-N. In addition to a digital
input, the unit is can be equipped, according to the model, with a static output (pulse or alarm), a Modbus RTU communication port
or an M-Bus communication port.
Description
N
345
12
B
F
A
D
A
D
C
G
E
Figure 1 EM511
Area Description
AVoltage inputs/Current inputs
BDIN - rail mounting bracket
CDisplay
DDigital input, digital output and communication connections
ELED
FSealable covers
GBrowsing and configuration buttons
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Available versions
Part number Connection Output MID approval Swiss MID
approval
cULus
approval
EM511DINAV81XO1X Direct connection up to 45 A Digital output x
EM511DINAV81XS1X Direct connection up to 45 A RS485 Modbus
RTU
x
EM511DINAV81XM1X Direct connection up to 45 A M-Bus x
UCS (Universal Configuration Software)
UCS is available in desktop and mobile versions.
It may connect to EM511 via RS485 (RTU protocol, desktop version only).
UCS allows to:
lset up the unit (online or offline);
ldisplay the system state for diagnostic and setup verification purposes
Overview of the UCS functions:
lSetting up the system with energy meter connected (online setup)
lDefining the setup with energy non connected, then applying it later (offline setup)
lDisplaying the main measurements
lDisplaying the state of inputs and outputs
lDisplaying the state of the alarms
lRecording the measurements of selected variables
Use
Interface
Introduction
EM511 is organized into two menus:
lMeasurement pages: pages allowing to display the energy meters and the other electrical variables
lMain menu, divided into three sub-menus:
o» SETUP: pages allowing to set the parameters
o» INFO: pages displaying general information and the set parameters
o» RESET: pages allowing to reset the partial counters and the dmd calculation, or to restore the factory settings
Push buttons
Button Action
AlNext page
lIncrease value
lHome/previous menu (long press >3 s)
BlEnter menu
lConfirm
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Menu Overview
Measurement page
Part Description
AMeasured values/data
BUnit of measurement
CInformation and diagnostics
Button Action
Next page
Enter the main menu
Information and warnings
Symbol Description
ALARM (blinking icon): the value of the variable has exceeded the threshold set.
COMMUNICATION: reading or writing command is addressed to EM511 serial communication state
(reception / transmission)
Total ON time
Partial meters
Exported energy (kWh-)
Imported energy (kWh+)
Unit of measurement
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SETUP menu
Part Description
AParameter
BValue
Button Action
Next option / increase value
Confirm
INFO menu
Part Description
AParameter
BValue
Button Action
Next parameter
Enter / exit
RESET menu
Part Description
ASub-menu title, see “RESET menu”
BSelection (YES/NO)
Button Action
Next option
Confirm
Commissioning
Commissioning
Introduction
At power on, the device displays a configuration wizard, the QUICK SETUP, for a fast setup of the main parameters.
QUICK SETUP menu
This procedure is available when the instrument is switched on for the first time.
In the “QUICK SETUP?” starting page
Select... To...
Go run the QUICK SETUP procedure
no skip the procedure and no longer display the QUICK SETUP menu
LAtEr skip the procedure and display the QUICK SETUP menu at the next switch-on
Note: the available parameters depend on the model.
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S1 models
Example 1: confirmation
Example 2: modification (address 4, parity EVEN, baudrate 19.2 kbps)
M1 models
Example 1: confirmation
Example 2: modification (primary address 1)
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O1 models
Example 1: confirmation
Example 2: modification (pulse kWh+, duration 100 ms, 10 pulses/kWh)
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Menu description
Measurement pages
Page Displayed measurements Description Note
1 kWh+ TOT Imported active energy
(TOTAL)
2 kWh- TOT Exported active energy
(TOTAL)
3 kW Active power
4 V L-N Voltage
5 A Current
6 PF Power factor
7 Hz Frequency
8 THD V Voltage THD
9 THD A Current THD
10 kvarh+ TOT Imported reactive energy
(TOTAL)
11 kvarh- TOT Exported reactive energy
(TOTAL)
12 kvar Reactive power
13 kVAh Apparent energy (TOTAL)
14 kVA Apparent power
15 kW dmd Demand active power
16 kW peak dmd Peak demand active power
17 kWh T1 Imported active energy, tariff 1
18 kWh T2 Imported active energy, tariff 2
19 h (kWh+) TOT Run hour meter (imported
energy)
20 h (kWh-) TOT Run hour meter (exported
energy)
21 h (ON time) TOT Run hour meter (ON time) TOT
22 kWh+ PAR Imported active energy
(PARTIAL)
23 h (kWh+) PAR Run hour meter (imported
energy, PARTIAL) PARTIAL
24 kWh- PAR Exported active energy
(PARTIAL)
25 h (kWh-) PAR Run hour meter (exported
energy, PARTIAL)
SETTINGS menu
This menu allows to set the parameters.
Page title Sub-menu Description Values Default values Note
Meas - Measurement mode A (easy connection)
B (bidirectional) A
DMD - DMD interval 1 min
5 min
10 min
15 min
20 min
30 min
60 min
15 min
inPut - Digital input Tariff (tariff
management)
Status (remote status)
P st (Start/stop partial
meters)
P res (partial meter
reset)
Status
RS485 Addr Address 1 to 247 1
PArity Parity NO/EVEN no
bAud Baudrate 9.6 kbps
19.2 kbps
38.4 kbps
57.6 kbps
115.2 kbps
9.6 kbps
StoP bit Stop bit 1 or 2 1
M bus Pri Add Primary address 0 to 250 0
bAud Baudrate 0.3 kbps
2.4 kbps
9.6 kbps
2.4 kbps
Output Fun Function Off
PuLSE (kWh+): pulse
output
linked to kWh+
PuLSE (kWh-): pulse
output
linked to kWh-
ALArM: linked to alarm
status
PuLSE (kWh+)
durAt Pulse duration 30 ms
100 m 30 ms
PuLSES Pulse weight
(pulses/kWh)
0.1/1/10/100/500/1000 1000
StAtuS Output status No (normally open)
Nc (normally closed) no
ALARM EnAbLE Enable ON/OFF OFF
VAriAb Monitored variable kW
kVA
Kvar
PF
A
V
kW
SEt 1 Set point 1 (activation) -1000.00 to 1000.00 0
Set 2 Set point 2 (deactivation) -1000.00 to 1000.00 0
dELAY Activation delay 0 to 1000 s 0
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Page title Sub-menu Description Values Default values Note
dISPL LiGHt backlight ON (always on)
1 min
2 min
5 min
10 min
15 min
30 min
60 min
oFF: always off
ON
SC SAV Screensaver oFF
home: homepage
SLidE: slideshow
home
HOME homepage 1 to 25 1
PAGES Page filter ALL
FiLtEr ALL
PASS Password enabling for
the SETTINGS and
RESET menu
0 (not protected) to 9999 0 (not
protected)
bAcK --- - Exit - -
INFO menu
This menu allows to display the set parameters.
Page title Description Notes
YEAr Production year
Sn Serial number Sliding digits
FW rEV FW revision
MEAs Measurement type
dMd Demand calculation interval
Input Digital input function
Addr Address
bAud Baudrate (kbps)
PArity Parity
StoP b Stop bit
PriAdd M-Bus primary address
bAud M-Bus baudrate
SECAdd M-Bus secondary address
output Digital output function
StAtuS Current output status
durat Pulse output duration
PuLSE Output pulse weight
ALArM Alarm enabling
VAr Linked variable
SEt 1 Alarm activation set point
SEt 2 Alarm deactivation set point
dELAY Alarm activation delay
LIGHt Backlight timer
CHECKSuM Firmware checksum
RESET menu
This menu allows to reset the following settings:
Page Page title Description
1 PArtiAL It resets the partial meters
2 DMD It resets the dmd calculation
3 tAriFF It restores the factory settings
4 total It resets the total meters
5 FACtor It resets the device to factory settings
6 Back--- Back to main menu
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Input, output and communication
Digital input
The digital input can perform four functions:
Function Description Parameters
Tariff management Digital input used to manage the tariff
Digital input status Tariff
Open Tariff 1
Closed Tariff 2
-
Remote status Digital input is used to check the status via Modbus or M-Bus.
Digital input status Register 300h
Open 0
Closed 1
-
Partial meters start/stop Digital input is used to enable/disable the reset of partial meters
Digital input status Partial meter
Open Disabled (in pause)
Closed Enabled
-
Partial meter reset Digital input is used to enable/disable the increasing of partial meters
Digital input status Action
Open No action
Closed After 3 seconds, reset partial meters
-
Digital output (version O1)
The digital output can perform two functions:
Function Description Parameters
Alarm Output associated with the alarm Output state when no alarm is active
Pulse output Pulse transmission output for imported active
energy consumptions.
lLinked energy (kWh+, kWh-)
lPulse weight
lPulse duration
Modbus RTU port (version S1)
Modbus RTU communication port is used to transmit data to a Modbus master.
For further information about Modbus RTU communication refer to the communication protocol.
M-Bus port (version M1)
M-Bus communication port is used to transmit data to a M-Bus master (Carlo Gavazzi SIU-MBM or any third party M-Bus master).
For further information about M-Bus communication refer to the communication protocol.
Essential information
Alarms
Introduction
EM511manages a measured variable alarm. To set the alarm, define:
lthe variable to be monitored (VARIABLE)
lalarm activation threshold value (SET POINT 1)
lalarm deactivation threshold value (SET POINT 2)
lalarm activation delay (ACTIVATION DELAY)
Variables
The unit can monitor one of the following variables:
lactive power
lapparent power
lreactive power
lpower factor
lvoltage
lcurrent
Alarm types
Up alarm (Set point 1 ≥ Set point 2)
The alarm activates when the monitored variable exceeds the Set 1 value for a time equal to the activation delay (Delay) and
deactivates when the values drops below Set 2.
(s)
ON
Set 1
Set 2
Delay
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