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3�- DEVICE INSTALLATION

3.1.- PRELIMINARY RECOMMENDATIONS

In order to use the device safely, it is critical that individuals who handle it follow

the safety measures set out in the standards of the country where it is being used,

use the necessary personal protective equipment, and pay attention to the vari-

ous warnings indicated in this instruction manual.

The

CEM-C31

device must be installed by authorised and qualified staff.

The power supply plug must be disconnected and measuring systems switched off before

handling, altering the connections or replacing the device. It is dangerous to handle the device

while it is powered.

Also, it is critical to keep the cables in perfect condition in order to avoid accidents, personal

injury and damage to installations.

The manufacturer of the device is not responsible for any damage resulting from failure by the

user or installer to observe the warnings and/or recommendations set out in this manual, nor for

damage resulting from the use of non-original products or accessories or those made by other

manufacturers.

If an anomaly or malfunction is detected in the device, do not use the device to take any meas-

urements.

Inspect the work area before taking any measurements. Do not take measurements in danger-

ous areas or where there is a risk of explosion.

Disconnect the device from the power supply (device and measuring system

power supply) before maintaining, repairing or handling the device's connec-

tions.

Please contact the after-sales service if you suspect that there is an opera-

tional fault in the device.

Instruction Manual

CEM-C31

Содержание CEM-C31-485-DS

Страница 1: ...INSTRUCTION MANUAL M017B01 03 20B Multifunctional energy meter CEM C31 T1 CEM C31 T1 MID CEM C31 485 T1 CEM C31 485 T1 MID CEM C31 485 DS CEM C31 485 DS MID...

Страница 2: ...2 CEM C31 Instruction Manual...

Страница 3: ...e following should be taken into consideration Incorrect handling or installation of the unit may result in injury to personnel as well as damage to the unit In particular handling with voltages appli...

Страница 4: ...ON 29 6 1 RELEVANT PARAMETERS CONFIGURATION 29 6 1 1 VOLTAGE PRIMARY TRANSFORMATION RATIO 29 6 1 2 VOLTAGE SECONDARY TRANSFORMATION RATIO 30 6 1 3 CURRENT PRIMARY TRANSFORMATION RATIO 30 6 1 4 CURRENT...

Страница 5: ...03 19A Changes in the following sections 2 3 3 3 5 4 2 4 5 5 1 5 2 5 3 5 4 5 5 5 6 6 2 7 2 2 2 7 2 3 8 01 20 M017B01 03 20A Changes in the following sections 3 2 3 5 05 20 M017B01 03 20B Changes in th...

Страница 6: ...CEM C31 static three phase energy meter measures class B active energy EN50470 class 1 IEC 62053 21 and optional class 2 reactive energy IEC 62053 23 The current is measured with the transformer The d...

Страница 7: ...der to avoid accidents personal injury and damage to installations The manufacturer of the device is not responsible for any damage resulting from failure by the user or installer to observe the warni...

Страница 8: ...the device is powered Do not use the device until it is fully installed 3 3 DEVICE TERMINALS 3 3 1 MODEL CEM C31 T1 Table 3 List of CEM C31 T1 terminals Device terminals 1 S1 Current input L1 8 L3 Vol...

Страница 9: ...urrent input L3 23 B RS 485 8 L3 Voltage input L3 24 A RS 485 Figure 2 Terminals of the CEM C31 485 T1 and CEM C31 485 DS 3 3 3 MODEL CEM C31 485 DS Table 5 List of CEM C31 485 DS terminals Device ter...

Страница 10: ...3 4 CONNECTION DIAGRAM L1 L2 L3 N S2 S1 P2 P1 S2 S1 P2 P1 S2 S1 P2 P1 LOAD Power Supply Figure 3 Connection diagram CEM C31 10 CEM C31 Instruction Manual...

Страница 11: ...ions Connections Measurement terminals 1 2 3 4 5 6 7 8 9 11 Maximum cable cross section 16 mm2 10 mm2 with end sleeve 1 2 Nm Screwdrivers head PZ2 Impulse output terminals Digital input 21 22 Power su...

Страница 12: ...Once the device is powered attach the safety label Figure 6 to terminals 13 and 14 to seal the device 13 14 13 14 Figure 6 Attaching the safety label 12 CEM C31 Instruction Manual...

Страница 13: ...browse the different screens and program the device The button can be sealed to prevent access to the programming of the most relevant pa rameters To seal the button insert the seal through the slot f...

Страница 14: ...s kgCO2 displays the quantity of kgCO2 released into the atmosphere according to the energy consumed COST indicates that the variable displayed in the data line is a cost PAR indicates that the variab...

Страница 15: ...start up current is exceeded due to active or reactive power consumption the LEDs are turned off and emit impulses that are proportional to the measured energy Active LED Reactive LED Figure 9 LED Ind...

Страница 16: ...nput terminals 21 and 22 in Table 5 to calculate other supplies or select tariffs 21 22 5 V DC 470 COMM Figure 10 Digital input CEM C31 485 DS Active Tariff selection Table 8 Tariff selection Tariff T...

Страница 17: ...d Short press the button to stop the cyclic movement of the parameter being shown at the time From then on short press the button to browse all the parameters defined in Table 9 and Table 10 Table 9 S...

Страница 18: ...C31 485 DS Tariff option 3 Screen Parameters kWh T1 Imported active energy Tariff 1 kWh T1 Exported active energy Tariff 1 Only displayed in the 4 quadrant version L kVArh T1 Reactive energy quadrant...

Страница 19: ...VArh T2 Reactive energy quadrant C Tariff 2 4 3 The impulse count option for the CEM C31 485 DS model can be configured in section 6 2 3 DIGITAL INPUT TYPE 4 Only displayed if the reactive energy disp...

Страница 20: ...iew the energies of the partial energy meters Impulse count display CEM C31 485 DS model Enter the setup menu View the manufacturer information The navigation diagram is shown in Figure 11 kWh T1 2s 2...

Страница 21: ...screen Long press the button to open the different screens Short press the button to browse the different screens see Table 11 Long press the button to exit the instantaneous values screens The standb...

Страница 22: ...om manufacture HOURS T1 CEM C31 485 DS model 7 Tariff 1 operating hours from manufacture HOURS T2 CEM C31 485 DS model 7 Tariff 2 operating hours from manufacture 5 The device must be connected to the...

Страница 23: ...o browse the different screens see Table 12 and Table 13 The PAR icon on the display indicates that you are viewing the partial energies Long press the button to exit the Partial energy screens The st...

Страница 24: ...n be configured in section 6 2 3 DIGITAL INPUT TYPE 9 Only displayed if the reactive energy display option has been selected in the setup menu see 6 2 7 2 REACTIVE ENERGY DISPLAY 10 Only displayed if...

Страница 25: ...ported active energy Tariff 2 PAR kWh T2 Partial exported active energy Tariff 2 Only displayed in the 4 quadrant version PAR L kVArh T2 Partial reactive energy quadrant 1 L Tariff 2 12 PAR kVArh T2 L...

Страница 26: ...CEM C31 485 DS model can be configured in section 6 2 3 DIGITAL INPUT TYPE 12 Only displayed if the reactive energy display option has been selected in the setup menu see 6 2 7 2 REACTIVE ENERGY DISP...

Страница 27: ...u see 6 2 7 1 PARTIAL ENERGY DISPLAY 5 6 MANUFACTURER INFORMATION SCREEN Long press the button in the standby mode screen to open these display screens Short press the button to display the manufactur...

Страница 28: ...5 Communications protocol version 15 Active energy with resolution in Wh Reactive energy with resolution varh 32 bit CRC 15 The screen is displayed if it is a CEM C31 T1 and there is a CEM M RS485 com...

Страница 29: ...econds or by short pressing the button 6 1 1 VOLTAGE PRIMARY TRANSFORMATION RATIO This is the home screen for entering the voltage primary ratio Long press the button to view the value to be programme...

Страница 30: ...it with a long press on the button allowing the remaining values to be modified To validate the data move to the last digit and long press the button the validation screen will appear Figure 16 indica...

Страница 31: ...to view the value to be programmed To write or modify the value short press the button repeatedly increasing the value of the flashing digit When the desired value is shown on the screen move onto th...

Страница 32: ...Long press the button to access the first programming step 6 2 1 IMPULSE OUTPUT WEIGHT Note Screen only visible for CEM C31 T1 and CEM C31 485 T1 models This is the home screen for entering the weigh...

Страница 33: ...e 18 indicating that the programming value has been saved After a few seconds viewing the screen shown on Figure 18 the system returns to the Impulse output type programming main screen Short press th...

Страница 34: ...hort press the button repeatedly increasing the value of the flashing digit When the desired value is shown on the screen move onto the next digit with a long press on the button allowing the remainin...

Страница 35: ...button and the validation screen will appear Figure 18 indicating that the programming value has been saved After a few seconds viewing the screen shown on Figure 18 the system returns to the Transmis...

Страница 36: ...ming step 6 2 7 DISPLAY This is the home screen for selecting the unit display options Long press to access the partial energy display selection screen 6 2 7 1 Partial energy display This is the home...

Страница 37: ...y factors display selection screen 6 2 7 3 Efficiency factors display This is the home screen for selecting the display view of the efficiency factors Cost of energy and CO2 emissions Long press to vi...

Страница 38: ...0 SEC ON time after the last press of the buttons Short press the button to browse the different options To validate the data long press the button and the validation screen will appear Figure 18 indi...

Страница 39: ...y has been selected This is the home screen for entering the ratio of the carbon emissions The carbon emissions ratio is the amount of emissions released into the atmosphere to produce a unit of elect...

Страница 40: ...meters The validation screen Figure 18 will be displayed next indicating that the energy meters were deleted correctly After a few seconds viewing the screen shown on Figure 18 the system returns to...

Страница 41: ...TU protocol 7 2 1 CONNECTION The RS 485 cable must be made up of a twisted pair cable with a braided shield with a maximum distance of 1 200 metres between the CEM C31 485 xx and the master device A m...

Страница 42: ...e Reading of the device s serial number with peripheral number 01 We will send the following Modbus frame Address Function Initial register Register no CRC 01 04 2710 0002 CRC The device will respond...

Страница 43: ...h Q3 reactive energy 0x0008 32 bits varh Q4 reactive energy 0x000A 32 bits varh Partial values Partial imported active energy 0x0030 32 bits Wh Partial exported active energy 0x0032 32 bits Wh Q1 part...

Страница 44: ...Phase 1 voltage 0x0732 32 bits V 1 primary decimal place Phase 2 voltage 0x0734 32 bits V 1 primary decimal place Phase 3 voltage 0x0736 32 bits V 1 primary decimal place Phase 1 current 0x0738 32 bi...

Страница 45: ...2 bits 7 2 3 6 Other parameters The Read function is implemented for these variables Table 22 Modbus variables Other parameters Description Address Size Units Energy meter model 16 0xF010 6x16 bits 12...

Страница 46: ...rimary 0x0450 32 bits Current secondary 0x0452 32 bits Impulse output weight 0x0081 16 bits Wh impulse 0 99999 Impulse output type 0x0080 16 bits 0 Active energy 1 Reactive energy 0 Digital input type...

Страница 47: ...Table 25 Variable format Display Visualisation Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 1 Impulse 1 Tariffs 1 Efficiency factors 1 Reactive Energy 1 Partial Energies 47 Instruction Manual CEM C31...

Страница 48: ...rrent 0 04 de Itr Self consumption of the current circuit 0 3 VA 10 A Itr 0 250 A Ist 0 010 A Imin 0 050 A Maximum overcurrent time 20xImax according to EN 50470 3 500 ms Accuracy Active Energy CEM C3...

Страница 49: ...Hardware RS 485 Protocol Modbus Baud rate 9600 19200 38400 bps Data bits 8 Stop bits 1 Parity without even odd User interface Display LCD Maximum counter value 999999 9 kWh Buttons 2 buttons LEDs 2 L...

Страница 50: ...N 50470 3 Electrical energy metering equipment AC Particular requirements Part 21 Static active energy meters classes 1 and 2 IEC 62053 21 Electrical energy metering equipment AC Particular requiremen...

Страница 51: ...e improper installation or improper usage of the unit Consequently this guarantee does not apply to failures occurring in the following cases Overvoltages and or electrical disturbances in the supply...

Страница 52: ...11 CE CERTIFICATE 52 CEM C31 Instruction Manual...

Страница 53: ...53 Instruction Manual CEM C31...

Страница 54: ...54 CEM C31 Instruction Manual...

Страница 55: ...55 Instruction Manual CEM C31...

Страница 56: ...56 CEM C31 Instruction Manual...

Страница 57: ...57 Instruction Manual CEM C31...

Страница 58: ...CIRCUTOR SA Vial Sant Jordi s n 08232 Viladecavalls Barcelona Tel 34 93 745 29 00 Fax 34 93 745 29 14 www circutor com central circutor com...

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