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Table of Contents

CHAPTER 1 ─ INTRODUCTION .......................................5

1.1

About the

ElNet Pico

Powermete .......................5

1.2

How to use this manual ...........................................6

1.3

Safety Information ...................................................7

1.4

Warranty ..................................................................8

1.5

Your comments are welcome ................................. 10

1.6

Disclaimer ............................................................... 11

CHAPTER 2 — INSTALLATION ...................................... 12

2.1

Contents of packaging ........................................... 13

2.2

Mechanical mounting ............................................ 14

2.3

Wiring Schematics ................................................. 15

2.4

Connections ............................................................ 17

2.5

Manufacturing Data. ............................................. 20

CHAPTER 3 — USING

ElNet Pico

Powermeter ........... 21

3.1

Front Panel ............................................................. 21

3.2

Control Buttons ...................................................... 22

CHAPTER 4 - NECESSARY

ElNet Pico

SETTINGS .... 23

4.1

Settings for Current Transformer ........................ 24

4.2

Phase Order Check ................................................ 25

Summary of Contents for Pico 5

Page 1: ...ElNet Pico 5 60 Energy Powermeter Rev 1 3 ...

Page 2: ...e welcome 10 1 6 Disclaimer 11 CHAPTER 2 INSTALLATION 12 2 1 Contents of packaging 13 2 2 Mechanical mounting 14 2 3 Wiring Schematics 15 2 4 Connections 17 2 5 Manufacturing Data 20 CHAPTER 3 USING ElNet Pico Powermeter 21 3 1 Front Panel 21 3 2 Control Buttons 22 CHAPTER 4 NECESSARY ElNet Pico SETTINGS 23 4 1 Settings for Current Transformer 24 4 2 Phase Order Check 25 ...

Page 3: ... 31 5 4 Active Power P 32 5 5 Reactive Power Q 34 5 6 Apparent Power S 35 5 7 Total Power Factor and for each Phase 36 5 8 Frequency 36 5 9 Active Energy 37 5 10 Reactive Energy 38 5 11 Apparent Energy 38 5 12 T O U Energy 39 CHAPTER 6 COMMUNICATION 42 6 1 MODBUS Framing 42 6 1 1 RTU Transmission Mode 42 6 1 2 The RTU Frame Format 43 6 1 3 Address Field 44 ...

Page 4: ...mmunication Connections 47 6 4 Communication Settings 47 6 4 1 Communication Address 48 6 4 2 Baud Rate 48 6 4 3 Parity 48 6 5 Communication Set Up 49 6 5 1 Address Set Up 49 6 5 2 Baud Rate Set Up 50 6 5 3 Parity Set Up 51 6 5 4 Stop Bit Set Up 51 6 6 Communication with UniArt Software 52 Table 6 4 Function Codes 54 CHAPTER 7 Specifications 55 ...

Page 5: ...erest to monitor Harmonics and try to improve it The ElNet Pico Energy Powermeter is a compact multi functional three phase Powermeter simple to install and is especially designed to integrate into Building Management Systems It requires no special mounting and is ideally suited for mounting on DIN rail of any standard electrical panel The Configuration and Setup is menu driven with password prote...

Page 6: ...ll three tasks CHAPTER 1 Introduction describes the ElNet Pico Powermeter its potential users the readings it can provide and some of its features in brief CHAPTER 2 Installation provides detailed instructions for unpacking mechanical mounting and electrical wiring up instructions for the Installation Technician CHAPTER 3 Using the ElNet Pico Powermeter describes in detail front Panel the function...

Page 7: ... Pico Energy Powermeter 1 3 Safety Information The purpose of this manual is to help you Please read the instructions carefully before performing any installation and note any precautions Ensure that all incoming AC power and other power sources are turned off before performing any work on the ElNet Pico Energy Powermeter Failure to do so may result in serious or even fatal injury and or equipment...

Page 8: ...der the influence of alcohol medicines or any other chemical substance that would tend to make a person drowsy Above all use common sense at all times 1 4 Warranty CONTROL APPLICATIONS Ltd provides a 12 Month warranty against faulty workmanship or components from date of dispatch under the condition that the product was properly installed and used CONTROL APPLICATIONS Ltd does not accept liability...

Page 9: ... and serviced by a duly qualified authorized representative only The sensitive electronics could become damaged if exposed to a static environment This action would void the warranty This warranty is limited to the repair and or replacement at CONTROL APPLICATION Ltd sole discretion of the defective product during the warranty period Repaired or replaced products are warranted for ninety 90 days f...

Page 10: ...he instrument when you bought it While every effort was made to keep the information as reliable helpful accurate and up to date as possible all possible contingencies cannot be covered Technical or typographical errors could occur and we would be happy to receive any comments criticisms or notifications of any such errors from you our valued customer Address Control Applications ltd 24A HaBarzel ...

Page 11: ... changes in the manual or the product at any time While it is the intention of CONTROL APPLICATIONS Ltd to supply the customer with accurate and reliable information in this User Manual CONTROL APPLICATIONS Ltd assumes no responsibility for its use or for any infringement of rights of the fourth parties which may result from its use This User Manual could contain technical or typographical errors ...

Page 12: ...esent in connecting cables and terminal blocks Fully qualified personnel must do all work Failure to follow this rule may result in serious or even fatal injury to personnel and or damage to equipment Refer to Section 1 3 Safety information before carrying out any installation Read this manual thoroughly and make sure you understand the contents before connecting the ElNet Pico Energy Powermeter t...

Page 13: ... opening the package ensure the area clean and dry Without using any sharp instruments carefully open the carton of the Elnet Pico Energy Powermeter Please check the contents of the carton it should contain 1 New ElNet Pico Energy Powermeter 2 ElNet Pico wiring diagram 3 Test Certificate and Certificate of Compliance C O C 4 3 Current Transformers in case of Pico 60 only ...

Page 14: ...d with a standard DIN rail mounting To mount simply choose a suitable location and click into position Figure 2 1 Din Rail Mounting Diagram Do not mount the ElNet Pico Energy Powermeter too close to any main electrical conductors Allow sufficient space to carry out maintenance to the ElNet Pico Energy Powermeter NOTE ...

Page 15: ...15 2 3 Wiring Schematics To wire up the ElNet Pico 5 Energy Powermeter Figure 2 2 Schematic Wiring Diagram ...

Page 16: ...16 To wire up the ElNet Pico 60 Energy Powermeter Figure 2 2 Schematic 60A Wiring Diagram ...

Page 17: ...strument and the lead from the leg of the external Current Transformer must be connected to the correct terminal connector in order to maintain the correct direction NOTE Ensure all the connections to the leads of the current transformer wiring is secure and there is no mechanical strain on the wire Connect the lead from side L to the terminal connector L at the relevant phase than connect the lea...

Page 18: ...s Repeat the procedure for Line 2 and Line 3 Connect the rest of the connections to the ElNet Pico Energy Powermeter by means of terminal connector plugs The Front Panel See Figure 2 3 has all connections printed and is simple to follow See table 2 1 for connections Figure 2 4 Front Panel ...

Page 19: ...From Current Transformer K on Line1 Note the correct direction to insert the lead I2L From Current Transformer L on Line2 Note the correct direction to insert the lead I2K From Current Transformer K on Line2 Note the correct direction to insert the lead I3L From Current Transformer L on Line3 Note the correct direction to insert the lead I3K From Current Transformer K on Line3 Note the correct dir...

Page 20: ...ress Enter 2 5 3 The Configuration menu will appear use the buttons to scroll to Information menu and press Enter 2 5 4 The manufacturing Data will appear use buttons to scroll between the data when finished press Back Number Screen Description 1 EDt Production date of software operating system 2 Ver Bios Revision 3 ID Unique identifying number Table 2 2 Production Data Config Energy ...

Page 21: ...ons and functions of the front panel and the control buttons and how to use them 3 1 Front Panel To operate the front panel The Front Panel has a graphic screen and 3 operating buttons The Control Buttons and their functions are fully explained in Section 3 2 Figure 3 1 Front Panel ...

Page 22: ...ssary The Control Buttons are arranged on a keypad below the display screen and require slight finger pressure to click Button Enter moves to the next level down the one the arrow is pointing to OR selects a field to be set or changed during Set UP Buttons performs the scroll function e g move the cursor or selects the prompt that the arrow is pointing to The Back Button returns to the previous st...

Page 23: ...ion and settings of the Current Transformer are the most vital and fundamental actions required to ensure the accuracy of the ElNet Pico Energy Powermeter It is essential to know the ratio of the Current Transformer being installed into the system in order to set the parameter for the Current Transformer correctly All three main current Lines MUST have Current Transformers of the same ratio instal...

Page 24: ...of the transformer no longer than 3m 4 1 Settings for Current Transformer 4 1 1 From the main menu scroll to Config menu and press Enter 4 1 2 In the PassWord menu use the buttons to change the password to 1 and press Enter 4 1 3 The Configuration menu will appear use the buttons to scroll to CT Config menu and press Enter 4 1 4 The Current Transformer screen appears 4 1 5 Press Enter to allow acc...

Page 25: ...mer Connections it is necessary to perform a Phase Order Check before continuing To perform Line Status Check Connection Check Phase Order Check 4 1 1 From the Main Menu roll to Config and press Enter 4 1 2 Insert password as explained in paragraph 2 5 and roll to Line Status 4 1 3 Press Enter NOTE Config Energy Line Status Set Time ...

Page 26: ...Table 4 2 Phase Order Check Message Voltage Current OK Voltage present on Lines Current present in Lines and synchronized with Voltage Lines OPP Wired in incorrect direction NO No Voltage No current Message Voltage OK Correct Phase Order of Voltage Connections OPP Incorrect Phase Order i e Line 2 does not follow Line 1 and or Line 1 does not follow Line3 Volt Line 1 OK Volt line 2 OK Curr L3 Phase...

Page 27: ...lick Enter 4 3 2 The Set Time screen appears to allow access to set time press Enter 4 3 3 Press to change the hours when finished press Enter 4 3 4 The access to change minutes will appear change the minutes by using when finished press Enter 4 3 5 The access to change seconds will appear change the seconds by using when finished press Enter Set Time Set Date ...

Page 28: ... Set Date screen appears to allow access to set date press Enter 4 4 3 Press to change the days when finished press Enter 4 4 4 The access to change months will appear change the months by using when finished press Enter 4 4 5 The access to change years will appear change the years by using when finished press Enter The Date Format is DD MM YY Day Month Year Set Date CT Configure ...

Page 29: ...uously moving average This new calculated reading appears as the new reading every second Recommended factory setting 3 seconds NOTE The Time Average Filter does not affect any internal calculations or accumulation of data To set Voltage Current Power or Frequency Filters All 4 Filter settings procedures are identical 4 5 1 See Section 4 1 for instructions to arrive at the Configuration Menu 4 5 2...

Page 30: ... g Current Voltage Power Power Factor and Energy 5 1 Current To display Current for all 3 Phases 5 1 1 From the Main Menu roll to General and press Enter 5 1 2 Roll to Current and press Enter 5 1 3 The current screen will appear use to roll to L2 and L3 when finished press Back to return to General Menu General Power Current Voltage Current L1 0 0 A ...

Page 31: ...Neutral Line To display Current in Neutral Line Repeat Steps 1 to 3 as found in Section 5 1 Roll to Current In Neutral line 5 3 Voltage To display Voltage for all 3 Phases and across Phases 5 3 1 From the Main Menu roll to General and press Enter 5 3 2 Roll to Voltage and press Enter General Power Voltage Power Factor ...

Page 32: ...e from Line1 to Neutral Volts L2 Voltage from Line2 to Neutral Volts L3 Voltage from Line3 to Neutral Volts L12 Voltage across Line1 and Line2 Volts L23 Voltage across Line2 and Line3 Volts L13 Voltage across Line1 and Line3 Volts Table 5 1 Voltage Screens Description 5 4 Active Power P To display Active Power for all 3 phases 5 4 1 From the Main Menu roll to Power and press Enter Voltage L1 000 0...

Page 33: ...scription Unit P Active Power for each Line Watts Q Reactive Power for each Line VAR S Apparent Power for each Line VA Σ P Total Active Power for all 3 Lines Watts Σ Q Total Reactive Power for all 3 Lines VAR Σ S Total Apparent Power for all 3 Lines VA PF Power Factor Table 5 2 Power Screens Description P Power Q Power P Power L1 0 0 KW ...

Page 34: ...ower for all 3 phases 5 5 1 From the Main Menu roll to Power and press Enter 5 5 2 Roll to Q Power and press Enter 5 5 3 The Reactive Power Screen Appears 5 5 4 Roll to Active Power Line 2 Line 3 ALL Power Config Q Power S Power Q Power L1 0 0 VAR ...

Page 35: ...wer for all 3 phases 5 6 1 From the Main Menu roll to Power and press Enter 5 6 2 Roll to S Power and press Enter 5 6 3 The Apparent Power Screen Appears 5 6 4 Roll to Apparent Power Line 2 Line 3 ALL Power Config S Power L1 0 0 VA S Power P Power ...

Page 36: ...ss Enter 5 7 2 Roll to Pwr Factor and press Enter 5 7 3 The Power Factor Screen Appears 5 7 4 Roll to Power Factor Line 2 Line 3 ALL 5 8 Frequency To display Frequency for all 3 phases 5 8 1 From the Main Menu roll to General and press Enter 5 8 2 Roll to Frequency and press Enter Pwr Factor Frequency P Factor L1 0 0 Frequency Current ...

Page 37: ...es 5 9 1 From the Main Menu roll to Energy and press Enter 5 9 2 Roll to P Energy and press Enter 5 9 3 The Active Energy Screen Appears 5 9 4 Roll to Active Energy Line 1 Line 2 Line 3 ALL The Export Energy opp Direction can be read via communicatoin Please check the Elnet Comm file Freq L1 50 0 Hrz P Energy Q Energy P Energy L1 0 000 KWh ...

Page 38: ...ive Energy and press Enter 5 10 3 The Reactive Energy Screen Appears 5 10 4 Roll to Reactive Energy Line 2 Line 3 ALL 5 11 Apparent Energy To display Apparent Energy for all 3 phases 5 11 1 From the Main Menu roll to Energy and press Enter 5 11 2 Roll to Apparent Energy and press Enter Q Energy S Energy Q Energy L1 0 000 KVRh S Energy TOU Rates ...

Page 39: ...ent Energy for each Line KVAh Σ P Total Active Energy for all 3 Lines KWh Σ Q Total Reactive Energy for all 3 Lines KVARh Σ S Total Apparent Energy for all 3 Lines KVAh Table 5 3 Energy Screens Description 5 12 T O U Energy The Elnet Pico Energy Powermeter record all energy values according to the T O U time of use schedule Each country has different T O U time of use schedule S Energy L1 0 000 KV...

Page 40: ... press Enter 5 12 3 The Select TOU rates screen appears 5 12 4 Use the Enter to Select the T O U time of use schedule To check the Active Energy readings according to the TOU rates 5 12 5 From the Main Menu roll to Energy and press Enter 5 12 6 Scroll to TOU L1 3 and press Enter T O U Set Time TOU Mexico Prs To Set TOU L1 3 TOU TOTAL ...

Page 41: ...en appears 5 12 10 Roll to Active Energy Rate 1 Line 2 Line 3 ALL 5 12 11 Repeat steps as described at 5 12 8 5 12 10 for Rates 2 3 5 12 12 Repeat steps as described at 5 12 5 5 12 11 for 5 12 13 Reactive Apparent Energy TOU Rates Rt P Energy Rt Q Energy Rate 1 Rate 2 Rt1 P E L1 0 000000 KWh Rt Q Energy Rt S Energy ...

Page 42: ... PC initiates the transaction either a query or broadcast and the Powermeter s responds Powermeters respond to the master PC s request but will not initiate any transmission on its own The PC sends a single Query transaction and the Powermeter responds in a single response frame and is capable of only one query and one response at a time 6 1 MODBUS Framing 6 1 1 RTU Transmission Mode MODBUS uses t...

Page 43: ...8 bits 8 bits N 8 bits 16 bits Table 6 2 R T U Message Frame Format If the receiving device Powermeter detects a time laps of five characters then it will assume the message is incomplete and will flush the frame The device then assumes that the next byte received will be an address The maximum query and response message length is 256 bytes includuing check characters Field No of bits Start bit 1 ...

Page 44: ...orm The ElNet Pico Energy Powermeter uses and responds to four standard Message Format Functions Function 03 Function 04 Function 06 Function 16 Function Meaning in MODBUS Action Function 03 Read holding register Obtain data from Powermeter Read register Function 04 Read input register Obtain data from Powermeter Read register Function 06 Preset single register Transmit data to Powermeter Write si...

Page 45: ...tailed information on CRC refer to the MODBUS Protocol Reference Guide 6 2 Registers for ElNet Pico Multimeter The ElNet Pico Energy Powermeter is capable of supporting either Function 03 or Function 04 Message Format see Table 6 3 In a reply to a query from the PC master for a reading from a particular field the response from the Powermeter can be either in Format 03 or Format 04 but will depend ...

Page 46: ...part of the field only The PC master requests the Voltage from Line1 and the actual Voltage in that field is 230 5 Volts Function 03 will respond with the INTERGER only i e 230V E G 2 If the user PC master supports Function 04 then the reply will contain the information stored in the two registers asssigned to that field and will contain the full accurate reply The PC master requests the Voltage f...

Page 47: ... SCADA HMI drivers 6 3 Communication Connections The ElNet Pico Energy Powermeter supports RS485 communication Connections are provided on the bottom front terminal of the device Please refer to section 2 4 and are made by means of the connectors provided 6 4 Communication Settings To enable the User to connect the ElNet Pico Energy Powermeter to a PC computer for successful communications the Com...

Page 48: ... BPS that the ElNet Pico Energy Powermeter communicates with the PC The better the communication line Quality the faster the communications may be If the communication line is routed through a noisy environment it may be necessary to decrease the Baud Rate Available Baud Rates for the ElNet Pico Powermeter 300 bps 600 bps 1200 bps 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps 6 4 3 Parity The cho...

Page 49: ...nstructions to arrive at the Configuration Menu 2 Roll to Communicat and press Enter 3 The communication screen will appear 4 Roll to Address and press Enter 5 The Address screen will appear 6 Pressing Enter will change the address when finished press Back Address Baud Address 31 Prs To Set ...

Page 50: ...s to arrive at the Configuration Menu 2 Roll to Communicat and press Enter 3 The communication screen will appear 4 Roll to Baud and press Enter 5 The Baud Rate screen will appear 6 Pressing Enter will change the Baud Rate when finished press Back Baud Parity Baud 4800 Prs To Set ...

Page 51: ...on and press Enter 3 The communication screen will appear 4 Roll to Parity and press Enter 5 The Parity screen will appear 6 Pressing Enter will change the Parity when finished press Back 6 5 4 Stop Bit Set Up To set up Parity 1 See Section 4 1 for instructions to arrive at the Configuration Menu Parity Stop Bit Baud None Prs To Set ...

Page 52: ...it takes immediate affect with no further action required 6 6 Communication with UniArt Software CONTROL APPLICATIONS Ltd propriety software UniArt is used to Read and Write Registers of the ElNet Pico Energy Powermeter Each Item number in the Registers Table is a unique field containing information The UniArt software manages each Item number as a parameter Refer to the UniArt manual how to set u...

Page 53: ... Item number 257 384 File 3 contains Item number 385 512 4 Go to the correct Point number within that file Point number is determined by the formula Item number FILE X 128 Point Number E G 1 If the user the wishes to read Voltage Line 2 Item No 2 By applying the formula 2 0 X 128 2 File 0 and Point within that file 2 E G 2 If the user the wishes to read 30th Harmonics for Volts Line1 Item No 330 B...

Page 54: ... 1 2 Voltage Line 2 0 2 2 330 30th Harmonics for Volts Line1 2 74 3 467 7th Harmonic for Current Line 3 3 83 4 128 0 128 5 129 1 1 6 256 1 128 7 257 2 1 8 384 20th Harmonics for Volts Line 3 2 128 9 385 21st Harmonics for Volts Line3 3 1 Table 6 4 Function Codes ...

Page 55: ...ions HxWxD 96x76x57 mm Shipping Weight 450 gr Measuring voltage limits 650VAC Measuring current limits 6 A 63 A Operating Voltage limits 1000 V Operating Current limits 50 A Enclosure material ABS Anti flame Display Graphic 64x128 Operating temperature 20 70 C Storage temperature 20 80 C Humidity 0 90 RH Voltage input terminals VL E10 1708 Communication port RS485 Mounting DIN Rail ...

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Summary of Contents for Pico 5

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