MeterRing Express TM
Contents
1. 31 Rule 4 Use the correct PC Interface The conversion of the RS485 2 wire bus to an RS232 connection suitable for the PC is simple enough however there are a number of additional duties carried out by this unit which may not work correctly if a third party interface is used All types supplied by Elcomponent include an additional pull up pull down power supply to maintain the network in a stable condition under zero traffic conditions System performance can be seriously affected if this feature is not present Rule 5 Take care with cable runs The routing of the network cabling will affect system performance Even when screened cable is used it should not be placed adjacent to high frequency computer network cabling or equipment supply cables that are subject to sharp fluctuations in load such as welding machines General LV supply cables should not cause problems but if the opportunity exists to route the network away from any possible causes of disturbance it should be taken 32 TROUBLESHOOTING Local Networks Problem The system won t find any of the devices on the network Solutions Is 2 Check that the COM port is correctly set and the PC interface is connected to the port set in the software Ensure that the instrument serial numbers where applicable have been correctly noted and that the devices on the network are powered up and working correctly Check that the polarity of the network has been re2. SETTING UP A LOCAL SITE To add the pulse interfaces to the PC network position the cursor over the Local icon on the system layout tree and right click for the menu Dox Und Haare Tr Ura Type rT wy Ural diine Tw 1 The unit name may be freely entered to reflect the location of the meter or interface and the measured parameter 2 The unit type may be selected from the drop down menu according to the devices present on the network 3 Unit address is selected from the next available address from the drop down menu If the software is being set up for the first time available addresses will start at 1 NOTE It is essential that the unit addresses are correctly set to match the addresses of the meters and interfaces present on the network Because MeterRing Express is able to communicate with a variety of different devices the procedure for addresses may differ The following information should be noted and reference made to the relevant instrument documentation if necessary i 4MOD Address from the PC by MeterRing Express li Willow OMR Address from the PC by MeterRing Express 4 Serial of the unit is added Confirmation will be shown with the following screen i 1 EFH Und 1 sume on Haet a The meters will now appear in the site tree which can be expanded or contracted by clicking on the local icon In thT he 4MOD it is now necessary to configure the unit to suit the meters to w
3. VIEW METER Right Click 4MOD Displays meter reading or pulse count in realtime Ranke Erpat VIEW METER READINGS Right Click Meter or 4MOD Displays historical data in spreadsheet format This function may be used to view the actual meter readings stored by the system Click the LH arrow to display historical data Data may be sorted in ascending or descending order by column by selecting the desired column and clicking the ascending or Zu descending button The readings can be toggled between actual values default and differenced data by clicking the Ey and Eel buttons If an incorrect value is stored by the system for any reason it can be corrected by entering the desired value into the relevant field and clicking the mij button Similarly any duplicated data may be automatically removed by clicking the x button Note that the revised table must be saved using the mj button after removal of duplicates NOTE Care should be exercised when editing data Once overwritten the original values will be lost Maras hers SS METER PROPERTIES Right Click 4MOD Displays meter or 4MOD Channel properties and allows editing of details RESET METER Right Click 4MOD Resets meter register to zero ae hee a DELETE METER Right Click 4MOD EmA Deletes meter from system as OPEN DELETE GROUP Right Click Group DEE E i Allows editing or deleting of
4. Chart Designer Use this feature to control all aspects of the graph environment Edit Chart Data Manually edit chart values not recommended Open Not Applicable Save As Save the chart in a variety of image file formats Print Access your Windows printer directory Copy Use this feature to copy directly to Microsoft Office applications Use Paste Special to recreate the graph directly into Word Excel PowerPoint Front Page etc Paste Not applicable 29 APPENDIX A RS485 NETWORKS LOCAL AREA NETWORKING GENERAL INSTRUCTIONS FOR INSTALLATION OF RS485 NETWORKS MeterRing Express and its associated hardware utilises a balanced two wire communication known generically as RS485 which is half duplex The protocol is MODBUS If a few basic rules are respected the RS485 system is extremely reliable and works well over distances of up to 1 2km without amplification However it must be remembered that the signal levels are low and the system relies heavily on the balanced nature of the two wire connection Failure to follow the installation procedures exactly can easily turn a reliable system into a non functioning system Rule 1 Use the right cable Capacitance and resistance values are important and screening should be included for most environments CAPACITANCE Ane BETWEEN RESISTIVITY COMMENT avarice PP sore 22AWG 35pF M 58 Ohm km 1 97 m Te utes aaae best cable available 3105A 22A
5. Local Group Icon Cost Group Icon Meter Utility Icon Electricity Meter Utility Icon Gas Meter Utility Icon Water Meter Utility Icon Oil Meter Utility Icon Steam Meter Utility Icon Compressed Air INSTALLATION amp SET UP The software is shipped with the following set up options available 1 Install MeterRing Express li Install Phoneclock lil View User Manual Install MeterRing Express by selecting the menu item and follow the instructions on your screen The Phoneclock program should then be loaded NOTE MeterRing Express may need to edit some of your system files and may ask you to reboot your machine this is normal The User Manual is included on the CD for reference should the original copy be lost or additional copies be required It is produced in Adobe pdf file format which requires Adobe Acrobat Reader 4 0 or later to view If you do not already have Acrobat Reader on your PC you will need to install it from the CD ROM before the User Manual or Catalogue can be accessed CONFIGURING THE SOFTWARE FOR YOUR SITE Depending on the COM port configuration of your PC MeterRing Express may flag a COM port error on start up This will be corrected during the procedures detailed below Following the product identification screen the program will display the standard desktop shown below 5 TESLE d Note that the site layout tree to the left of the screen may be tog
6. Source and Destination directories will be the default directory location for MeterRing Express data Unless you selected a different location during the original installation the Source Directory will be correct The Destination Directory is the location that you wish to export the files to and this must be an accessible network path from the host PC Manually enter this information TIP It s essential to set this folder up in the destination PC first to ensure the pathing is correct The Timing options will vary depending on how often you choose to copy the files If you select 1 hour from the drop down menu the scheduler will automatically copy files at 15 minutes past each hour If you select 1 day you will also need to specify a time in HH MM 24 hr format 11 If you select 1 week you must specify both the time and the day If you select 1 month as your desired copy frequency specify both the time and the date Click the Copy All or latest only box as required TIP Usually a manual Copy AIl is carried out at the start of the File Copy routine and the automatic function set to latest only Clicking Copy Now will execute the File Copy as a manual instruction Auto Set will program the system to execute the automatic instruction NOTE If the File Copy Scheduler is running the MeterRing Icon appears in the Windows Systray usually at the bottom right of
7. data as units consumed or as cost of consumption but a Cost Group can display cost data only Groups are used to combine the readings of several meters together data may be added or subtracted to obtain data for a specific zone of the site 15 Groups may be made up from any combination of local and remote meters provided the above rules are respected and may be graphed in exactly the same way as individual meters The components of the group may be added or subtracted form the group total as desired To create a group select the MeterRing icon on the system layout tree right click and select New Group Lm _to The group name may be freely entered The unit of measure may be selected from the drop down menu The group number is selected from the lowest available number from the drop down menu Once created the group will appear on the System Layout Tree Right click on the group icon to open the group 16 The group name may be edited at this point if desired The desired meters or meter channels may now be added as follows Select the meter on the System Layout Tree and double click to expand the view Click on the desired utility icon and click the Add Channel button Repeat this until the group is complete If a meter is added by mistake it can be removed using the Remove channel button Channels added to a group will by default show a sign against them denoting that their values will
8. the screen The Set Up box should always be closed using the Autoset button unless the scheduler is to be shut down completely Pressing the Cancel button will shut down the File Copy function completely SETTING UP A SECOND PC The File Copy Utility will only work correctly if the Destination PC has been correctly configured This is very easy to do Once the system has been set up and is functioning correctly on the host PC the software should be loaded on to the second PC also see page 7 then follow these steps I On the host machine copy the file C Program Files MeterRing Express mring ini to a floppy disk ii Insert the disk into the second PC and copy A mring ini to C Program Files MeterRing Express Because the file already exists at that location the system will ask if you wish to overwrite it Click Yes iii On the second PC you must also create the directory folder C Program Files MeterRing Express Data 12 If everything has been done correctly you will see the same tree of meters on the second machine as you have on the host Once a File Copy has taken place the offline data functions graphing etc will display the same data on both PCs Once the basic set up of the program is complete the network components may be added to create the system It is assumed that all necessary hardware and modem connections have been made and all hardware devices are powered up and working
9. ELCOMPOJ va Making sense of your energy MeterRing Express METER NETWORKING SOFTWARE canyon oye lle INTRODUCTION System Overview MeterRing Express software is designed to be used in conjunction with Elcomponent hardware to create a networked metering system providing Automated Data collection Realtime Meter Viewing Flexible Graphic Display of half hour Data Consumption Cost Calculation Virtual Meter Groups by Utility or Cost It operates over a twisted pair cable RS485 network and radio links controlled via a single host PC MeterRing Express is a 32 bit Windows program compatible with Windows 95 98 2000 NT It is available as a local only package or upgradable to the full version MeterRing MM which also handles dial up networking amp Ethernet comms Minimum System Requirements MeterRing Express requires the following PC Hardware specification Operating System Windows 98 2000 XP CPU Pentium Ill recommended Memory 32MB Hard Disk 2MB free program space min 25MB data storage CD ROM Writer Yes Monitor SVGA or better Comm Port 1 spare COM port 1 for local access As a Windows program MeterRing Express can be run in background in a multi tasking environment However the use of a dedicated PC is strongly recommended to avoid potential malfunctions due to conflict with other programs and problems with modem access etc Ne
10. WG 35pF M 58 Ohm km 1 05 m A lighter version of 3107A Not required except on ultra high spec systems B9841 24AWG 42pF M 79 Ohn km podom Recommended tor Mostapplicatons Over 250m in length Close to EIA specs Excellent low cost 8641 24AWG 72pF M 82 Ohm km 0 32 m solution for standard applications Much lighter and easier to use than 9841 Cheap standard cable Out of spec on feo 24AWG 130pF M 80 Ohm km 0 17 m capacitance but OK for small networks 30 Rule 2 Keep cable joints to a minimum Correct connection of the data network is vital for reliable operation Each unit has a clearly marked terminal block consisting of 3 terminals A B amp S A amp B are connected to the cable pair on a line in line out daisy chain basis Do not use T connections at any point on the network The S shield connection is not connected except on the final instrument on the network The length of unshielded conductor exposed at each connection point should be kept to a minimum and shield continuity should be maintained over the entire length of the network SHIELD Polarity must be respected Data cables should be soldered together before clamping into the terminal block Rule 3 Termination resistors RS485 networks will often operate satisfactorily if termination resistors are not used however reliability will be better with 100 120 ohm resistors fitted at each end as shown below ccr ye o ea p O amp
11. atus bar will report on the previous poll as well as the time interval to the next one Last Poll 4 of 4 Polled successtully Poll Status 24 Ming to Local Poll If a meter fails to respond to a system poll from the PC it is highlighted in red on the System Layout Tree to simplify troubleshooting of the network Once initiated local polling will continue until it is manually disabled using the Local button TIP The network menu includes the Auto Start Local Data Collection option If this is checked local polling will automatically enable when the program is started 18 MANUAL FUNCTIONS Most manual and realtime functions are accessed from the System Layout Tree via the right click menu Note that the tree is expanded and contracted in standard Windows fashion by clicking on sites and individual meters The functions available are summarised below rea READ INSTRUMENTS Right Click Local Sites This reads all the instruments present at the selected sites and displays them in a window which may be printed or copied to the clipboard 1 Cend brikumiii FEE A ToT Faka Lai Tii masse da d e ary rr Note that the right hand scroll bar if present is locked until the read cycle is complete The read status is shown top left of the box nmi Limos ieee READ LOCAL GROUPS Right Click Local icon i ig i Reads all local groups and displays them as per Read Instruments 19
12. be added to the group total If it is desired to subtract a channel from the total select the correct meter in the Edit Group box and click the button This will toggle the relevant device between and Select the desired view from the drop down menu and press OK to complete the task TIP You can also create groups by dragging and dropping the utility icons from the System Layout Tree to the group box Note that different types of group have different tree icons All local groups are yellow whilst remote groups or those comprising both local and remote meters are blue Cost groups of either type have a sign permanently displayed on the icon This completes the basic setting up of MeterRing Express 17 USING THE SYSTEM AUTOMATIC OPERATION Once the system has been set up it is ready to start collecting data To initiate the automatic data collection proceed as follows ENABLING LOCAL OPERATION For locally connected meters simply click on the Local button id Lore or select Local Data Collection from the Network on the button bar The button will toggle into the on position and the status bar at the bottom left of the screen will show the interval to the next poll These are timed to take place on the hour and half hour as per the PC clock NOTE PC clock must be correct for accurate timing of data The use of the Phone Clock Utility is recommended Once a poll has taken place the st
13. e that some utilities such as water have no CCL relevance and therefore this button will be greyed and the function unavailable EZI Data Analysis Options Interpolation of data is switched on by default This means that any gaps in the collected data caused by a power loss or PC problem are filled in automatically by the software This is possible because the cumulative data value is stored by the meters in a non volatile memory so if network communication is lost for one or more polls the system automatically updates with the correct cumulative value when communication is restored Without interpolation a comms loss for one poll will produce this kind of effect on the graph Missed Value 25 Whereas with interpolation on the effect is this Although this represents an average over two polls it is clearly a more satisfactory approximation of the true situation than the first example Note that the inerpolated values are hatched so it is immediately obvious to the user that a poll has been missed Interpolation can be modified in the way it works or turned off altogether if desired The Analysis Interval controls the time slot used by the interploation calculation For V1 1 itis set to the Aggregration Period of 30 minutes There is no performance advantage in setting it to a lower value as the data presentation cannot resolve down to less than a 30 minute period Clock o
14. ear Metering zoe Sonera ne ee Cesi m The path details for the Phoneclock Utility must be entered at this point If the default load parameters have been used this path will be C program files npl phoneclock phoneclock exe If a different location has been chosen the correct information must be entered NOTE This operation is only necessary the first time Phoneclock is run The path details are retained by MeterRing Express for future operations Phoneclock will now provide the following screen era heii jip Leis cnr eee Pe ii Lede m A Pres ik SR 1 Lai ee Tg Free tar Pee The default setting will provide the correct setup in most cases leaving only the scheduling to be set by the user Full details of this procedure can be found in the help menu It is recommended that the scheduler is set to weekly or daily dial up to ensure clock accuracy is maintained 10 Set Up File Copy Utility If you wish to view historical data from your sub metering system on another PC the File Copy Utility makes this easy NOTE The second PC must be on an accessible network connection and be correctly configured for File Copy to work See Setting up a second PC on page 16 for further details Irrg Ewer idm m fem Cone ol Hest cue fied at a M i a This feature allows you to export all of your data files automatically to another network location on a scheduled basis By default the
15. ffset is set to zero and cannot be edited This simply mans that the data presentation assumes the PC clock setting to be correct 26 Click the Advanced button for the following screen BT oe Im taper peep ele ole bee eects pecs Li T Peele mmm p _ Porters Destautr pu iF The maximum allowable clock offset for readings displays the value in seconds that the system will allow for a delay in data collection from the nominal 30 minute interval Because MeterRing Express is controlled by the PC clock and on a properly installed network the time taken to poll all the meters is nearly exactly the same each time the poll interval is almost exactly 30 minutes in all cases However to allow for possible communication issues such as other traffic on allocated frequencies on radio based systems the software allows a 2 minute offset to cover any necessary poll retries which may have taken place In practice this value can be reduced considerably on most systems but as it has no adverse effect on data accuracy it is recommended that the default setting is chosen Clicking the Interpolation box will toggle the feature on and off The default setting for the interpolation span is Unrestricted which means the system will fill in any gaps in the data regardless of how long network communication was down Alternative selections can be made either specifying the number of missed readings allowed or setting
16. gled on and off using the hot icon meters button or the View Meter menu selection L Before the system can be utilised the various network components must be added to the software set up and the program tailored to your PC and application requirements This is a simple procedure but must be carried out according to the following instructions to ensure reliable operation The user interface utilises standard Windows procedures being a combination of Drop Down Menus Shortcut Buttons and Right Click menu functions Select Set Up from the drop down menu button at the top of the screen to pull down the Set Up Menu Loca Camme Port coring Cireale Charge Levy Carbon Emission Faima Phara Clock Eiki Capp Ltihy Set Up Local Comms Port Select the serial port which is to be used to communicate with the local network and check the Set as Default box If you are not sure which port you are using it will generally be marked adjacent to the relevant 9 pin connector on the back of the PC If the Set as Default box is not checked the set up will revert to COM2 if the software is shut down for any reason Set Up Costing Also accessed via the hot icon button This allows details of the cost of the utilities being monitored to be entered It is recommended that costing data is entered before any meters are set up onto the network NOTE If this is not done it will not be possible t
17. groups 21 GRAPH amp DATA FUNCTIONS If the system is set to collect data via the automatic polling routine a full colour graph presentation of consumption data will be available for each each channel of a4MOD Data is graphed as day week month or year graphs and is shown separately for each meter channel or group Graphs are in bar chart format for consumption data with a line graph format adopted for the Climate Change Levy liability By default day and week graphing use a half hour bar whilst month and year graphs use one day bars To view a graph select the desired meter or group on the System Layout Tree and then click on the graph icon button Ji or select Graph from the View menu The graph for the selected 4MOD for the current week will then appear The desired channel should be selected before pressing the graph icon button The graphing package used by MeterRing Express is very sophisticated and offers a considerable number of useful features for data management and presentation including direct copy amp paste into Microsoft Office and total user control of the graph environment 22 The main features are Summarised below Multiple Graphs View Up to six graphs may be viewed simultaneously Use the Window button to control how the graphs are displayed on the desktop gt Scroll Buttons Use these buttons to scroll the graph forward or backward tt saba 2 5 Date Picker ar M
18. hich it is connected Click on the 4MOD to select it right click and select Meter Properties to display the following screen 14 The Description box may be used to identify the utility and or location Eg Gas Kitchen Block and the Units of Measure selected from the drop down menu NOTE Only Units of Measure which have been entered in Costing Set Up will be available in this menu If the desired parameter is not present it must first be created via the costing routine See Page 10 The pulse per unit may be freely set from 999 to 0 001 The pulse rate of the meter being read must be known for this value to be entered The Utility may be selected from a number of options eg electricity water gas steam etc This defines the icon used in the site tree to identify the utility in question and is also used by the CCL function for the same purpose All 4MOD channel descriptions must be entered even if they are not being utilised E g Enter NOT USED They may be be subsequently edited via this procedure at any time SETTING UP GROUPS Once all the meters and interfaces have been added to the system any virtual meter group can be created if desired There are two basic types of group I Utility Group ii Cost Group Utility Groups by definition consist of meters measuring the same utility whereas Cost Groups can be made up of any combination of utility meters A Utility Group can display
19. o allocate the pulse channels of a 4MOD pulse collection interface to the desired parameters The kWh and kVArh parameters are present by default and cannot be deleted but must have cost details entered if they are required Note that up to six times from and cost values may be entered to allow for unit costs which vary on a time of day basis To add a new parameter click New from the Costings Set Up Screen The desired unit of measure can be freely entered into the box provided If desired cost details may also be entered into the following matrix Urdea Menari bh x e a ae ae Eg If electricity is purchased on a day and night rate where the cost is 0 10 from 0600 to 2300 and 0 05 from 2300 to 0600 the information is entered as shown above NOTE The Time From values must be in chronological order TIP As many tariff structures as necessary may be entered but the unit of measure must be different for each A unit of measure must be added for each parameter to be collected via pulse serial interface 4MOD on the network eg Therms Litres etc It is not necessary to enter the costing details if these are not available or required All settings may be subsequently changed via the edit button as desired or deleted if required Set Up Climate Change Levy This allows the tax rates applied to various utilities by the Climate Change Levy to be amended or new utilities to be added The softwa
20. oblem especially if it occurs at one network point only but could conceivably be a faulty device Itis recommended that the normal checks be carried out to establish the correct installation of the network If the problem persists a substitute device should then be installed Problem The system works correctly but two devices perform erratically or not at all despite being present on the network Solution 1 Both devices have the same address set up and consequently both respond at the same time Removing one device from the list will cause the remaining unit to operate correctly The first device should then be reinstalled using the next available address 34 CABLE DIAGRAM PC INTERFACE CABLE 9 WAY MALE TO FEMALE INTERFACE Distributor Wessex Power Technology Ltd 189 Ashley Road Parkstone Poole Dorset BH14 9DL Tel 44 0 1202 723000 Fax 44 0 1202 723400 Email wot wessexpower co uk www wessexpower co uk 35
21. re is shipped with Electricity Gas and LPG standard levy rates already installed but this can be altered if required The standard rates showing in the box are for those published by the UK Government as at January 2001 but may change and require editing accordingly Also if you purchase your energy from accredited green sources such as electricity generated from renewable resources different rates will apply Additional utilities can be added using the New button To edit the rates simply highlight the desired field and overtype the correct information Unwanted entries may be deleted at any time Set Up Carbon Emission Factors This function works in the same way as the CCL set up above Values for the mass of carbon liberated into the atmosphere for each unit of energy consumed have been internationally agreed and published by the UK Government as part of the CCL program These values are entered as defaults in MeterRing Express but may be added to or amended as required Set Up Phoneclock Also accessed via the hot icon button The NPL National Physical Laboratory Phoneclock utility is shipped with MeterRing Express to allow the highest levels of accuracy of data timestamping to be maintained If this utility is installed see page 2 it may be set up and utilised as follows NOTE A modem is required for the Phoneclock Utility The first time Phoneclock is started the following screen will app
22. spected throughout particularly at the PC interface Check the continuity of the network from the PC interface Disconnect the RS485 input from the PC interface and check the resistance between lines A amp B Assuming there is a 120 Ohm termination resistor in place at the last device on the network The resistance will be 120 Ohms plus the resistance of the cable itself This will depend on network size but should be 120 200 Ohms If the network is either open circuit or short circuit this must be rectified before the system will function The continuity between A and Shield and B and Shield should also be checked This must be open circuit Any short between the signal conductor and the shield will prevent the system from operating Problem The system won t find one or more devices on the network but correctly reads the others Solutions 1 Check the connections and polarity of the network to the missing device Check that it is powered up and working 33 2 lf adding a meter to the network causes a different meter to fail this is a network problem for sure and careful inspection of all connections and cable type will always reveal the cause 3 If there are more than 32 devices on the network an amplifier may be needed Refer to Elcomponent for further details Problem The system works correctly but occasionally misses a reading Solution 1 This is most likely to be a network installation pr
23. the span to the aggregation interval One reading on UK versions of V1 1 TIP The network comms used by MeterRing Express and its associated hardware should be for all practical purposes 100 reliable Missed polls are normally a direct result of a PC shutdown and as such are not a reliability issue If missed polls are noted which are not attributable to this the network wiring or radio performance should be verified followed by the meter s themselves Normally it is recommended that the interpolation is left switched on as any interpolated values are clearly shown as hatched bars on the graphs allowing any malfunctions to be immediately identified 27 ma Tabular Data View collected data in table form Click the Export button to export the data in txt or csv format for further analysis in spreadsheet or M amp T packages The tabular data will reflect the graph on view at the time l e day graphs will create a day table etc All tabular data includes a total value for the list shown at the foot of the table E Tariff Band Breakdown This powerful feature puts all your consumption and cost data directly onto your screen or printer Use the Copy button to copy to clipboard including the Climate Change Levy liability Print graphs in full colour 28 Graph right click functions Chart Designer Edit Chart Data Meana Open SAYE AS Print copy Faste
24. twork Compatibility This software is compatible with the following hardware components Elcomponent 4MOD 4 channel pulse serial interface for use with third party pulse output meters ElcomponenWillow Optical Meter Reader Elcomponent Radio Pulse Transmitters Receivers Installation This manual is designed for use with the MeterRing Express software package and it is assumed that all network components have been correctly installed and connected to the host PC Please see the relevant appendix to this manual and the relevant hardware documentation for further details on network installation System Operation MeterRing Express operates on the basic principle of collecting meter data every 30 minutes from the connected network This takes place every half hour on the hour and 30 minutes past the hour Network timing is controlled by the host PC internal clock The pulse collection units have non volatile cumulative memory which is read and stored every 30 minutes by the host device PC Cumulative data is therefore always secure even after a loss of power Half hour consumption profiles are stored on the PC and are therefore also secure subject to normal PC back up routines Once collected data may also be exported to other programs in a variety of file formats SYSTEM LAYOUT TREE ICONS USED opeje pe zB MeterRing Icon system icon always present Local Site Icon Meter Icon 4MOD Pulse Serial Interface
25. x Ps The date picker allows you to select the exact date for the data you wish to view with just a few mouse clicks E lw MI X Axis Selector Buttons Select graphs for Day Week Month or Year periods TIP Double clicking on the relevant bar of a Year Month or Week graph will automatically provide the most detailed graph available Eg double click on a day bar in a month graph to produce the graph for that particular day Value Display Click a bar to display the data value on screen 23 i Scale Locks Use this feature to lock both the left and or right scales for easy comparison of data between graphs S Zoom Select the Y scale you want with the zoom button TIP You can also click on the axis itself to open the Chart Designer window to gain access to the scale change function Colours Control the way your graphs look with the colour control button TIP You can also completely redefine the graph environment if you wish Simply right click on the graph area and select Chart Designer to alter every aspect of the graph presentation E Costing Get instant visual respresentation of how your energy is being used across different tariff bands Costing details must be entered for the function to work See page 10 24 B Climate Change Levy This changes the graph view to display both equivalent carbon production and CCL liability for the meter concerned Not
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