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6.- CONFIGURING RS-485 COMMUNICATIONS

To go into the communications configuration menu, press



> 5 seconds while in any display screen.

kWh

> 5s

> 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 pressed for 10 seconds, the device skips to the display screens.

14

CEM-C12

Instruction Manual

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Содержание CEM-C12

Страница 1: ...INSTRUCTION MANUAL M336B01 03 21A Multifunctional Energy Meter CEM C12 CEM C12 MID...

Страница 2: ...2 CEM C12 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: ...ISPLAY 13 6 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 7 RS 485 COMMUNICATIONS 18 7 1 MODBUS PROTOCOL 18 7 1...

Страница 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 wast...

Страница 6: ...fter sales service 2 PRODUCT DESCRIPTION The CEM C12 static single phase energy meter measures class 1 IEC 62053 21 class B EN50470 with multifunction RS 485 communications and DIN rail standard insta...

Страница 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...

Страница 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...

Страница 9: ...n 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 C12 Note The Neutral wire can be connected to one of N ports or both Note If RS 485 installatio...

Страница 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...

Страница 11: ...s 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 word...

Страница 12: ...nications Figure 9 Keyboard Display LED Figure 9 CEM C12 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 LE...

Страница 13: ...very 5 seconds Pressing the key Table 5 Display Screen Parameters kWh Total Active Energy consumed generated kWh kVArh Inductive Reactive Energy consumed kVArh V Voltage V A Current A Frequency Hz Pow...

Страница 14: ...press 5 seconds while in any display screen kWh 5s 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 pressed...

Страница 15: ...Table 6 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 Rate...

Страница 16: ...e configuration screen 3s Press to change options Press 6 seconds to save the change The screen shown in Figure 11 indicates that the changes have been saved correctly Configuration values Table 8 Con...

Страница 17: ...in Figure 11 indicates that the changes have been saved correctly Configuration values Table 9 Configuration values Stop bits Stop bits Possible values 1 1 stop bit 2 2 stop bit Press to skip to the...

Страница 18: ...ion 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 whic...

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

Страница 20: ...4 Parameter Modbus address Function Data format Date and time 56 59 03 10 YY YY MM DD WW hh mm ss 1 Serial number 69 6C 04 1 Data format Table 14 Data format Parameter Data format Description Date and...

Страница 21: ...ay LCD Maximum counter value 99999 9 kWh Keys 1 key LED kWh 1000 imp kWh width 90 ms Environmental features Operating temperature CEM C12 20 C 65 C CEM C12 MID 25 C 55 C Relative humidity maximum valu...

Страница 22: ...s and test conditions Metering equipment class indexes A B and C EN 50470 1 Electricity metering equipment a c Part 3 Particular requirements Static me ters for active energy class indexes A B and C E...

Страница 23: ...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 24: ...11 CE CERTIFICATE 24 CEM C12 Instruction Manual...

Страница 25: ...25 Instruction Manual CEM C12...

Страница 26: ...26 CEM C12 Instruction Manual...

Страница 27: ...27 Instruction Manual CEM C12...

Страница 28: ...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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