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4. Measurement Performance

4.1 Real-time Measurement

PMAC615 provide real-time measurement of voltage, current, power and so on. Below data

is true RMS. The update rate is 1 second.

Real-time Reading

Measuring Range

Current

0 – 50,000A

Voltage

0 – 500V

Active Power /

Reactive Power

0 - ± 30MW/Var

Power Factor

-1.000 - +1.000

Frequency

45Hz - 65Hz

Active Energy

0 - 99,999,999.9 kWh

Note: The value of reactive power and power factor is read from RS485 COM.

4.2 Symbol of Power Factor

The measurement of power factor symbol by PMAC615 is according to IEC standard, as

follow instruction:

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Содержание PMAC615

Страница 1: ...PMAC615 Single Phase Digital Panel Meter Installation Operation Manual V1 0 ZHUHAI PILOT ELECTRONICS CO LTD ...

Страница 2: ...n be installed and maintained only by qualified people Before operating the device isolate the voltage input and power supply and short circuit the secondary windings of all current transformers Put all mechanical parts doors or covers in their original positions before energizing the device Always supply the device with the correct working voltage during its operation Failure to take these preven...

Страница 3: ...nstallation and Connection 6 3 Order Information 9 4 Measurement Performance 10 5 Operation 13 6 Input Output Characteristics 18 7 Setpoint Alarm 20 8 Communication Protocol 22 9 Maintenance and Trouble Shooting 29 10 Technical Datasheet 31 ...

Страница 4: ...ptional RS485 communication port to link with PLC PCs and SCADA system Users can program the parameter via RS485 COM easily PMAC615 digital panel meter is made by complicate frequency locking technology which supports up to 0 2 high accuracy measurements for non liner load Users may read the measurement value from LED panel or via software Besides PMAC615 provides optional two status inputs one re...

Страница 5: ...ance with IEC62053 21 class 1 Accuracy of voltage and current measurement is 0 2 Friendly LED panel for reading Revisable relay alarm output Optional two status input Pluggable terminals easy for wiring and maintain RS485 communication support standard MODBUS RTU protocol Operating temperature 20 60 Storage temperature 30 70 Humidity 5 90 RH non condensing ...

Страница 6: ...6 2 Installation and Connection 2 1 Environment Operating temperature 20 60 Storage temperature 30 70 Humidity 5 90 RH non condensing 2 2 Dimension ...

Страница 7: ...tive pole 5 V Voltage negative pole 6 V Voltage positive pole 7 485 RS485 positive pole 8 485 RS485 negative pole 9 S1 Status input 1 positive pole 10 S1 Status input 1 negative pole 11 S2 Status input 2 positive pole 12 S2 Status input 2 negative pole 13 RL Relay output positive pole 14 RL Relay output negative pole ...

Страница 8: ...onnection Example PMAC615 I SRC single phase digital current meter provides one RS485 two status input and one replay output To control loop Status Input Relay Output Current Signal Power Supply Communication ...

Страница 9: ...ncy Active Energy Auxiliary Function S RC C Two Status Input external power supply One Relay Output One RS485 Communication One RS485 Communication Note 1 Default rated current is 5A Other customized feature is available please mention requirement when place order 2 Reactive power and power factor can be read via RS485 COM only Example In case the model number is PMAC615 I S the corresponding feat...

Страница 10: ...al time Reading Measuring Range Current 0 50 000A Voltage 0 500V Active Power Reactive Power 0 30MW Var Power Factor 1 000 1 000 Frequency 45Hz 65Hz Active Energy 0 99 999 999 9 kWh Note The value of reactive power and power factor is read from RS485 COM 4 2 Symbol of Power Factor The measurement of power factor symbol by PMAC615 is according to IEC standard as follow instruction ...

Страница 11: ...nput 4 3 Energy Parameter PMAC615 provides measurement of bidirection active energy up to 99 999 999 9 kWh Due to the limitation of LED window size the meter displays one energy data into two times It firstly displays the 5th digit and above in front of decimal point secondary displays the rest below thousand s digit include thousand s digit When the accumulated energy reaches 99 999 999 9 kWh the...

Страница 12: ...etween energy and power Input active energy First quadrant active energy Positive inductive active power Fourth quadrant active energy Positive capacitive active power output active energy Second quadrant active energy Negative capacitive active power Third quadrant active energy Negative inductive active power ...

Страница 13: ... interface Configure viewing Configure modifying Page turning in submenu Quit viewing Move cursor Page turning in main menu Page turning on menu Modify the value on cursor s digit Enter into configure viewing Enter into programming interface Confirm the modification 5 2 Data Viewing The real time measured data is displayed in form of following menu If the meter is not a full function device the re...

Страница 14: ...easurement data one by one Voltage Press key once it displays measurement value of current Current Press key once it displays measurement value of active power Reactive power and power factor shall be read via communication Active Power Press key once it displays measurement value of frequency Frequency ...

Страница 15: ...el If the character on LED lights on it means the channel is closed Otherwise the channel is open 2 Communication State The communication light has two kinds of character RXD indicates Receiving and TXD indicates Sending When the corresponding character flashes that means there is data flow Users will know the communication state according to the character on LED If RXD flashes it means receiving ...

Страница 16: ...ey change the value 4 Press key confirm the new value the cursor disappears Set Communication Address 1 Press key until to Bd character 2 Press key a cursor appears 3 Press key select 4800 or 9600 4 Press key confirm the selection the cursor disappears Set Baud Rate 1 Press key until to CR character 2 Press key a cursor appears 3 Press key select YES or no 4 Press key confirm the selection the cur...

Страница 17: ...appears 0 means to display input active energy 1 means to display output active energy 2 means to display total active energy Set the displaying of energy 1 Press key check the version of Meter Version of Meter Note Due to be limited by size of LED window other parameters such as reactive power power factor etc shall be set via communication ...

Страница 18: ...ice When local application requires the status input to detect signal it should be connect to an external 220VAC DC power supply When external node is closed the corresponding status input channel will be clear Refer to below drawing S1 External Power Supply Note Because there is no internal power supply the external node must be connected to outside power otherwise the status input channel don t ...

Страница 19: ...he local control conditions have been set the relay will not operate The relay mode must be set at local control mode The two relay operation modes are as follow Normal Remote control By receiving a command from a PC or PLC the relay close The relay s status will be kept until the PC or PLC gives a release command or the meter is de energized Local control When an alarm signal activating the relay...

Страница 20: ...to in local control mode it indicates corresponding set point alarm There are 5 parameters may be set under setpoint alarm feature Refer to below sheet Operation object 0 Prohibit 1 Voltage 2 Current Operation upper limit value 0 120 of rating Operation lower limit value 0 120 of rating Operation time delay 0 1200s 0 means the relay operates immediately Return time 0 1200s 0 means non return Suppo...

Страница 21: ...wer limit 80 Assumed that when voltage is lower than 80 of rating it is undervoltage Operation time 0s Return time 0s Other values can be set according to above mentioned procedure and the relating programming is not described here one by one ...

Страница 22: ...ions The functional codes supported by PMAC615 are listed as following table Functional Code Meaning Function 0x03 Read register Obtain one or more than one current register value inside the current PMAC615 0x10 Set register Write the designated value into one or more than one registers inside PMAC615 0x05 Relay control Control a relay inside the current PMAC615 The length of the data field is not...

Страница 23: ...al operation functional code 02H Receive illegal register operation or over long data 8 3 Relay Control The functional code is 05H In this mode only individual relay can be controlled The status of the relay can be obtained by reading the relay status register Send sexadecimal FF 00 to close the relay Send sexadecimal 00 00 to release the relay All other value is invalid Control relay format maste...

Страница 24: ...gister 1 byte Number of register 2 bytes Data of the first register 2 bytes CRC check code 2 bytes Data of the second register 2 bytes CRC check code 2 bytes Note One time can read 20 registers value at most 8 5 Set the Register The functional code is 10H The master can set one or more than one register value Other operation for non defined register is invalid Write register format master PMAC615 ...

Страница 25: ...otation word applicable to no off and relay status D0 means the first status channel or relay channel D1 means the second status channel or relay channel The rest bits may be deduced by analogy Bit 0 means cut off and bit 1 means close on 8 7 Calculation Factor Because these is a limit of value many of data registers of PMAC615 use the calculation factor It means that if Users want to obtain the a...

Страница 26: ...tion accuracy to the utmost extent Users must during processing pay attention to the corresponding CT ratio or PT ratio 8 9 List of Real time Measurement Data Register Register Address Definition Description 40001 Current Secondary current calculation factor is 0 001 Unit Ampere 40002 Voltage Secondary voltage calculation factor is 0 01 Unit Volt 40003 Active power Secondary active power calculati...

Страница 27: ...Total active energy high word 40011 Null Null 40012 Null 40013 Import active energy low word Calculation factor is 0 1 Total value of import and export energy Unit kWh 40014 Import active energy high word 40015 Export active energy low word 40016 Export active energy high word 40017 Null Null 40018 Null 40019 Null 40020 Null 8 10 List of Configuration Registers Register Address Definition Descript...

Страница 28: ...lay operation mode 0 means local 1 means remote 40209 Relay operation object 0 means prohibit 1 means voltage 1 means current 40210 Relay operation upper limit The percentage of operation upper limit to rating Range 0 120 40211 Relay operation lower limit The percentage of operation lower limit to rating Range 0 120 40212 Relay operation time Range 0 1200 Unit second 0 means operate immediately 40...

Страница 29: ... the control power supply has been burnt down The measured value is not correct or does not conform to the expectation The voltage measurement is not correct Check if the neutral point has been connected reliably Check if the measured voltage matches the rated parameter of the meter Check if the transformation ratio of the PT has been set correctly The current measurement is not correct Check if t...

Страница 30: ...ct The working mode of the relay is not correct Check if the current relay is under the correct mode The operating time has not been set correctly Check the setting of the operating time of the relay For the specific information refer to the content regarding relays of the operation manual There is no communication between the upper end device and the meter The communication address of the meter i...

Страница 31: ...ed effectively The communication line is interrupted Check if the communication cable has been disconnected 10 Technical Datasheet Structural Dimensions Panel 110 00 65 00mm Installation 90 50 45 00mm Depth 55 00mm Display High light LED Terminals Connection Standard 5 08mm pluggable terminals Power Supply 85 265VAC 45 65Hz 100 300VDC Measurement Accuracy Voltage 0 2 Current 0 2 Active Power 0 5 P...

Страница 32: ...g EMC Electrostatic Discharge Immunity Test IEC 61000 4 2 Level 4 Radiated immunity test IEC 61000 4 3 Level 3 Electrical fast transient burst immunity test IEC 61000 4 4 Level 4 Surge immunity test 1 2 50μs 8 20μs IEC 61000 4 5 Level 3 Conducted emissions EN 55022 Class B Radiated emissions EN 55022 Class B ...

Страница 33: ...iew of continued improvement Technical Consulting 86 15916202620 After sale Services 86 15916202800 Email pilot166 pmac com cn Zhuhai Pilot Electronics Co Ltd Add No 15 Keji 6 Road Chuangxin Haian Tangjia High tech Zone Zhuhai Guangdong China 519085 Tel 86 756 3629687 3629688 Fax 86 756 3629600 3629670 ...

Страница 34: ...34 http www pmac com cn ...

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