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Summary of Contents for CARLO GAVAZZI EM50
- Page 1 EM50 Energy analyzer for single, two and three- phase systems INSTRUCTION MANUAL...
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Page 2: Table Of Contents
Setting pages Introduction Information pages Event Database Information and warnings Max DMD database Monthly energy database Working with EM50 Navigating the menus Date and time Basic menu navigation Date and time settings Full menu navigation Daylight savings time Settings menu navigation... - Page 3 CARLO GAVAZZI branch or distributor in your country. Installation and use of analyzers other than those indicated in the provided instructions void the warranty. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
- Page 4 EM50 Download This manual www.productselection.net/MANUALS/UK/EM50_im_use.pdf Installation instruction www.productselection.net/MANUALS/UK/EM50_im_inst.pdf UCS desktop www.productselection.net/Download/UK/ucs.zip EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
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Page 5: Em50
EM50 Introduction EM50 is an energy analyzer for single, two and three-phase systems. Depending on the model, using 5A current transformers, 333mV or 80 mA current sensors or Rogowski coil, it can be installed in systems with rated voltage up to 600 V L-L. -
Page 6: Ucs (Universal Configuration Software)
It can connect to EM50 via RS485. The following is possible with UCS: configure EM50 • • view system status for diagnostics and configuration checks • download data log and event log (xls format) EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 7: Em50 Use
Phase or variable reference. Variable or energy meter value Warnings, information and units of measure Setting pages Area Description Page number Page title and current value/option EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 8: Information Pages
RS485 communication Energy value shown is imported Energy value shown is exported Inductive load Capacitive load Load Size (percentage of the load based on the rated current) EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 9: Working With Em50
Basic menu navigation Button Function Go to next page Go to Full menu Go to Setting menu Full menu navigation Button Function Go to next page EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 10: Settings Menu Navigation
L3 P (-> kWh) Imported active energy phase 3 L1 U (V) Voltage L1-N L2 U (V) Voltage L2-N L3 U (V) Voltage L3-N L1 I (A) Current L1 EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 11: Full Menu - Information And Measurement Pages
Info Bd (*) Baud rate Info Pr (*) Parity Info Addr (**) MAC Address Info bd (**) Baudrate Info InF (**) Maximum information frame Info number EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... - Page 12 L T1 P (-> kWh)*** Imported active energy, tariff 1 Measurement Previous month L T2 P (-> kWh)*** Imported active energy, tariff 2 Measurement Previous month EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
- Page 13 M T3 P (<- kWh) *** Exported active energy, tariff 3 Measurement Current month M T4 P (<- kWh) *** Exported active energy, tariff 4 Measurement Current month Exit EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
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Page 14: Settings Menu
From 1 to 4194302 9999 0: no action rst(**) Reset device and apply BacNET settings 1: reset command P: active energy Pulse Pulse output energy Q: reactive energy EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... - Page 15 From 50 to 1000000 V 400 V Pulse weight (pulses/kWh or From 1 to 60000 1000 pulses/kvarh, referred to secondary output) Pulse width From 20 to 100 ms 30 ms EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
- Page 16 Phase 1 current direction 1: Negative 0: Positive dirC Phase 1 current direction 1: Negative (*) Setting available if PrOtC=0 (Modbus RTU) (**) Setting available if PrOtC=1 (BacNET MS/TP) EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
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Page 17: Configure Em50
UK/ucs.zip 2. Connect the PC to EM50 via RS485 (using a USB to RS485 converter if needed) 3. Power on EM50 4. Start UCS and connect to EM50 via automatic scan or by manually setting correct communication parameters (default: address 1, baudrate 9600 bps, parity none). -
Page 18: Frequently Used Procedures
9. Press SCROLL, set secondary voltage and confirm. 10. Exit menu pressing SCROLL for more than 2 seconds (long press) Note: As alternative, connect to EM50 via UCS software and change the parameters from the Settings. Set the Modbus parameters 11. -
Page 19: Set The Bacnet Parameters
7. Press SCROLL to go the page RST. Press SET, SCROLL, and SET again to confirm 1 (apply reset) 8. Exit menu pressing SCROLL for more than 2 seconds (long press) EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 20: Essential Information
The alarm is activated when the monitored variable exceeds the Setpoint value for a time equal to the activation delay (Delay) and is deactivated when it drops below. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 21: Down Alarm (Less Than)
The alarm is activated when the monitored variable is equal to the Setpoint value for a time equal to the activation delay (Delay) and is deactivated when it is different from the Setpoint. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 22: Alarm Setpoint
������������ ������������ �������� �������� ������������ ���� ������������ ���� ������������ ���� Power factor The setpoint is a value from -1 to 1, without any further calculation needed EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 23: Alarm Setpoint Resolution And Hysteresis
The hysteresys is 0.0005 so the alarm will activate when the active power is less than 0.0525 kW on the secondary that is equivalent to 0.0525 *100/0.08*500/100=328.125 kW on the primary and disactivate when the power is above 0.053*100/0.08*500/100 =331.25 kW. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 24: Outputs Configuration
CLOSED for a few milliseconds when one of the • alarms trips and the setting is pulse Remote control is managed by a Modbus command EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 25: Demand Variables (Dmd)
12:15 is referred to the interval 12:00-12:15 • … • Note: during the first integration interval after power on the value is 0. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... - Page 26 11:47 is the sum of • o the average in the interval 11:30-11:45 multiplied by 0.1 o the average in the interval 11:45-11:47 multiplied by 0.9 … • EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
- Page 27 • the value is then updated at 11:49, referred to the interval 11:34-11:49 • the value is then updated at 11:53, referred to the interval 11:38-11:53 EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
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Page 28: Synchronization
On: at 11:28 o Set integration time: 15 min o Calculation method: sliding window o First value displayed: at 11:29 for the interval from 11:28 to 11:29 EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 29: Metering
The sign of the power factor follows the IEC convention. IEC convention The sign the depends on the sign of the active power. Quadrant Active power Reactive power Power factor sign Positive (kW>0) Positive (kvar>0) EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 30: Reactive Power Calculation
The absolute energy is calculated as | ���������������� ���� ���� ���� ���� ������������������������ | − |�������������������� ���� ���� ���� ������������������������| The net energy is calculated as EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 31: Database
Cover A new record is Date opening • opening saved when Time opening • terminal protection cover is open Date closing • Time closing • EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 32: Max Dmd Database
DMD tariff 4 • Exported active power DMD kvar- DMD • • kvar- DMD tariff 1 kvar- DMD tariff 2 • kvar- DMD tariff 3 • EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 33: Monthly Energy Database
Measurement Canada (suffix MC) kWh+ • • kWh- • • kWh+ L1 • • kWh+ L2 • • kWh+ L3 • • kWh absolute • kWh net • EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... - Page 34 • • kvarh- • • kvarh Q1 • • kvarh Q2 • • kvarh Q3 • • kvarh Q4 • • kvarh Q1 L1 • • EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
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Page 35: Date And Time
2 • • Date and time Date and time settings The date and time can be set via UCS software manually • via PC synchronization • EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 36: Daylight Savings Time
EM50 Daylight savings time The following is possible with UCS: • disable daylight savings time management. • set automatic time change EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 37: Tariff Management
Internal clock and calendar • Connect to EM50 via UCS software • Set time and date • Set tariff management via clock/calendar. • Set the tariff calendar and confirm EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 38: Display And Keypad
2. Connect to EM50 via UCS software 3. Enable the locking as desired and save 4. Mount the lock cap and fix it with a seal EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 39: Wiring Check
Value=0 Value=1 Reverse Reverse Reverse Wrong Wrong Wrong position position position For example I000011 means that currents 2 and 3 are in the wrong position. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 40: Maintenance And Disposal
The product must be disposed of at the relative recycling centers specified by the government or local public authorities. Correct disposal and recycling will contribute to the prevention of potentially harmful consequences to the environment and persons. EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA... -
Page 41: Download
EM50 DOWNLOAD www.productselection.net software UCS • • datasheet • instruction manuals EM50 - Instruction manual | 2020-05 | © 2020 | CARLO GAVAZZI Controls SpA...
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