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 SAFETY PRECAUTIONS

 DISCLAIMER

CIRCUTOR S�A�U�

 reserves the right to make modifications to the device or the unit specifications set 

out in this instruction manual without prior notice. 

CIRCUTOR S�A�U�

 on its web site, supplies its customers with the latest versions of the device specifi-

cations and the most updated manuals.   

                            

 

 

 

 

    

 

 

      

                                            

                                               www.circutor.com

CIRCUTOR S�A�U� 

recommends using the original cables and accessories that are sup-

plied with the device.

DANGER

Warns of a risk, which could result in personal injury or material damage.

ATTENTION

Indicates that special attention should be paid to a specific point.

Follow the warnings described in this manual with the symbols shown below.

If you must handle the unit for its installation, start-up or maintenance, the following should be 

taken into consideration:

Incorrect handling or installation of the device may result in injury to personnel as well as damage to 

the device. In particular, handling with voltages applied may result in electric shock, which may cause 

death or serious injury to personnel. Defective installation or maintenance may also lead to the risk of 

fire.

Read the manual carefully prior to connecting the device. Follow all installation and maintenance in-

structions throughout the device’s working life. Pay special attention to the installation standards of 

the National Electrical Code.

Refer to the instruction manual before using the device

In this manual, if the instructions marked with this symbol are not respected or carried out correctly, it can result 

in injury or damage to the device and /or installations.

CIRCUTOR S�A�U�

 reserves the right to modify features or the product manual without prior notification.

3

Instruction Manual

CEM-C12c

Summary of Contents for CEM-C12c

Page 1: ...INSTRUCTION MANUAL M362B01 03 22A Multifunctional Energy Meter CEM C12c CEM C12c MID...

Page 2: ...2 CEM C12c Instruction Manual...

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

Page 4: ...CONFIGURING RS 485 COMMUNICATIONS 14 6 1 PERIPHERAL NUMBER 15 6 2 MODBUS BAUD RATE 15 6 3 DATA BITS 16 6 4 PARITY 16 6 5 STOP BITS 16 6 6 EXIT FROM MENU 17 7 RS 485 COMMUNICATIONS 18 7 1 MODBUS PROTO...

Page 5: ...2 Symbols Symbol Description In compliance with the relevant European directive Device covered by European directive 2012 19 EC At the end of its useful life do not leave the unit in a household waste...

Page 6: ...TOR s after sales service 2 PRODUCT DESCRIPTION The CEM C12c static single phase energy meter measures class 1 IEC 62053 21 class B EN50470 with multifunction RS 485 communications and DIN rail standa...

Page 7: ...er 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 warnin...

Page 8: ...installation 2 Push down the clip under the bottom of the meter for a gear see Figure 1 After push down the clip Despu s de empujar hacia abajo el clip Figure 1 Push down the clip 3 Put the meter int...

Page 9: ...N N Input connected to neutral A A RS 485 connection 1 N N 3 B S A B S A Figure 4 Terminals of the CEM C12c Note The Neutral wire can be connected to one of N ports or both Note If RS 485 installatio...

Page 10: ...Current Frequency Active Power Reactive Power Inductive Reactive Power Capacitive Reactive Power Apparent Power Power Factor Maximum Active Power Demand Active Energy Consumed Active Energy Generated...

Page 11: ...is the calculation of maximum demand in a specific interval usually every 15 minutes Once the number is calculated it is refreshed every minute with the values from the last 15 minutes In other words...

Page 12: ...nications Figure 9 Display Keyboard LED Figure 9 CEM C12c description 4 2 DISPLAY The device has an LCD where all parameters are displayed Figure 9 4 3 LED INDICATORS The device has one verification L...

Page 13: ...tches screens every 5 seconds Pressing the key kWh Total Active Energy consumed generated kWh kVArh Inductive Reactive Energy consumed kVArh V Voltage V A Current A hz Frequency Hz Power factor cos kW...

Page 14: ...press 5 seconds while in any display screen kWh 5s 3s 3s 3s 3s 3s 3s Peripheral number Modbus Baud rate Data bits Parity Stop bits Device version Figure 10 Communications menu If the key is not presse...

Page 15: ...ues Table 5 Configuration values Peripheral n Peripheral N Minimum value 1 Maximum value 247 Press to skip to the next programming step 6 2 MODBUS BAUD RATE This screen is used to configure the Baud R...

Page 16: ...to open the configuration screen 3s Press to change options Press 3 seconds to save the change The screen shown in Figure 11 indicates that the changes have been saved correctly Configuration values...

Page 17: ...correctly Configuration values Table 8 Configuration values Stop bits Stop bits Possible values 1 1 stop bit 2 2 stop bit Press to skip to the next programming step 6 6 EXIT FROM MENU This screen dis...

Page 18: ...tion Voltage value Address Function Initial register No of registers CRC 01 03 0000 0002 C40B Address 01 Peripheral number 1 in decimals Function 03 Read function Initial Register 0000 register on whi...

Page 19: ...ximum demand of the Active Power 03 10 11 42 43 kW x 100 Table 10 Modbus memory map Table 2 Parameter Function Modbus address Units Consumed Active Energy Total 03 12 13 kWh x 100 Consumed Inductive R...

Page 20: ...eter Modbus address Function Data format Date and time 56 59 04 10 YY YY MM DD WW hh mm ss 1 Serial number 69 6C 04 1 Data format Table 13 Data format Parameter Data format Description Date and time Y...

Page 21: ...tions Bus RS 485 Protocol Modbus RTU Baud rate 9600 19200 38400 115200 bps User interface Display LCD Maximum counter value 99999 99 kWh Keys 1 key LED kWh 1000 imp kWh width 90 ms Environmental featu...

Page 22: ...metering equipment a c Part 1 General requirements tests and test conditions Metering equipment class indexes A B and C EN 50470 1 Electricity metering equipment a c Part 3 Particular requirements St...

Page 23: ...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 Wa...

Page 24: ...11 CE CERTIFICATE 24 CEM C12c Instruction Manual...

Page 25: ...25 Instruction Manual CEM C12c...

Page 26: ...26 CEM C12c Instruction Manual...

Page 27: ...27 Instruction Manual CEM C12c...

Page 28: ...CIRCUTOR S A U 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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