KES 1xThree-Phase
Contents
1. I efe Y Zennio KRR d BA ap lef b ep NY Three phase system AC Z 380v cos I efa Figure 5 Measuring the active power consumed by a three phase system Regarding the effective intensities the values than can be measured by the probes are 300 mA 60 A which in a 380v three phase balanced installation with a power factor of 100 would approximately correspond to 342 W 68 4 kW Once beyond the aforementioned 300 mA the resolution in the measurement of the instant power is determined by the DPT of the 2 byte floating point object used to transmit the value to the bus 0 01 kW In addition to measuring instant active power KES can also monitor the highest power detected so that power peaks can be calculated per hour day week and month which may be interesting for managing historic values 2 2 ACTIVE ENERGY Based on successive values of the instant power KES can perform the count of the total energy consumed per hour day week or month as well as calculating daily weekly and monthly average consumptions KES can also make estimations of the energy that would be consumed during a whole day if the current value of the instant power were constant for the 24 hours This estimation can be expressed in terms of consumption kWh and in terms of cost local currency http www zennio com Technical Support http zennioenglish zendesk com 10 Daily weekly and monthly values of the actual energy con2. 50 x 0 01 2 kWh 1 day 1 http www zennio com Technical Support http zennioenglish zendesk com 45 Semio KES3xsingle Phase Simulation scheme Example VIII WEEK 1 2 kW DKW 2kW Monday Daily Consumption 1 kWh 2 kWh 3 kWh 5 p 5 2 kW Tuesday Daily Consumption 2 kWh WEEK 2 2 kW Monday Daily Consumption 2 kWh WEEK 3 2 kW Monday Daily Consumption 2 kWh Monthly Energy Consumption 9 KWh Average Monthly Energy Consumption 9 KWh 4 days 2 25 KWh per day WEEK 1 2 kW First day L Daily Consumption 2 kWh Monthly Energy Consumption 2 KWh Average Monthly Energy Consumption 2 KWh 1 day 2 KWh per day http www zennio com Technical Support http zennioenglish zendesk com 46 ANNEX III COMUNICATION OBJECTS d Functional range shows the values that with independence of any other values permitted by the bus according to the object size may be of any use or have a particular meaning because of the specifications or restrictions from both the KNX standard or the application program itself d 1st boot shows the cases where an object is assigned a certain value by the application program after a device download or a full reset In case the value of such assignment can be parameterised Y is shown in column P Objects showing a hyphen are not assigned a particular value and therefore can be assumed to be initialised with the value
3. O or with the corresponding updated value in case they depend on an external element Sensors etc Moreover if the object is sent or is there an option to send it to the bus write or read requests after a download or a device reset from ETS the marks W or R will be shown respectively for transmissions or read requests Reboot shows the cases where an object is assigned a certain value by the application program after a bus power failure In case the value of such assignment can be parameterised V is shown in column P Objects showing a hyphen are not assigned a particular value and therefore can be assumed to maintain their previous value after the failure or with the corresponding updated value in case they depend on external elements Sensors etc Moreover if the object is sent or is there an option to send it to the bus write or read requests after a bus failure the marks W or R will be shown respectively for transmissions or read requests Number Size UO Flags Data Type DPT Functional Range 1st boot Reboot P Function o senes 1 cr wu menge 00 00 00 23 59 59 omm OA ze O om current Date ime Current Time apse fr IEEE opr reset or teat tenet laien ormer o remse Eegenen De p pi ew ese EE GER 4 Bytes O CTR DPT BEE 2147483648 2147483647 Estimated Energy Consumption Estimated Energy Consumption 16 2Bytes O CTR Non standar
4. Zennio Passion for KNX innovation KES 1xThree Phase KNX Energy Saver Three Phase System Energy Saver ZN1l0 KES lt zZ lt gt CC LU Y D Application Program Version 2 1 User Manual Version 2 1 _a www zennio com Contents Beleg Zug leie E 3 1 Jntroducton 4 lll KES 16 Eel ey WE acces os 4 A OH ee E 5 LA Mer une EE 7 2 CONAN ato 9 ZA AVE POWER iaa 9 A se o E rrr 10 23 TOWER coo 11 S JENS Parametros 12 SL DEE CUA a ei 12 52 General WINdO Wisin 14 Dal de ACUC EN aos 18 3 2 2 Active POW CF esteticista ltda iii 22 3 2 3 Power Limit Montormg 24 EEE CE 28 ANNEX I Time Management sa 29 ANNEX II Further Evamples 33 ANNEX It Comunication OD EC Sims 47 http www zennio com Technical Support http zennioenglish zendesk com 2 DOCUMENT UPDATES Version Changes Pages s Changes in the application program e Higher precision in the measurement of the cost if tariff switches occur during the measuring period e Improvement in the module of the Logical Functions to 2 1 a avoid sending unexpected values Changes in the application program New algorithm for calculating energy consumptions Minor changes in texts http www zennio com Technical Support http zennioenglish zendesk com 3 1 INTRODUCTION 1 1 KES THE ENERGY SAVER The KNX Energy Saver from Zennio KES combines in only one device the following features d Support for single phase and three
5. http www zennio com Technical Support http zennioenglish zendesk com 44 Obtained by summing up and rounding to the nearest integer value 5 kWh from the first week of the previous month plus 2 kWh from the second week plus 2 kWh from the third one Monthly Cost 450 monetary units Obtained by multiplying 9 kWh by 50 monetary units Monthly CO Emissions 450 monetary units In other words 50 kg 0 01 9 kWh Monthly Peak Power 3 kWh This value is due to the temporary connection of the 3000 W load Average Monthly Energy Consumption 2 kWh per day 2 is the nearest integer to the result of dividing 9 kWh by the number of days 4 of the previous month Average Monthly Cost 112 5 monetary units per day 50 u m 9 kWh 4 days 112 5 m u Average Monthly CO Emissions 1 125 kg per day Obtained as 50 kg 0 01 9 kWh 4 days 8 After some minutes since 7 set the internal clock to the first day of the following month i e two months from now on maintaining the same load Monthly Peak Power 2 kW Average Monthly Energy Consumption 2 kWh per day The previous month consisted of only one hour with a consumption of 2 kWh This total consumption is then divided by only one day Average Monthly Cost 100 m u per day Those 2 kWh consumed throughout the month have an associated cost of 50 u m each Then this is divided by only one day Average Monthly CO Emissions 1 kg per day
6. Regarding Global Request the value 1 through this object will cause an extra sending of all the communication objects related to the power consumption which because of having been parameterised in such way are already being sent to the bus at certain times instant values accumulate values average values peak values etc In other words a global request forces the re sending of everything that KES with no need of a specific external request already sends periodically to the bus Objects not related to a periodical sending will consequently not be sent such as Total Energy Total Cost etc In addition when the global request takes place objects for which a periodical sending is available but have not been parameterised in ETS will not be sent either The behaviour of the communication objects Tariff x and Switch to Tariff x shown by default will be detailed later http www zennio com Technical Support http zennioenglish zendesk com 13 3 2 GENERAL WINDOW The general screen shown in Figure 8 permits setting generic parameters related to the operation of the Energy Saver lt lt GENERAL gt gt lt lt GENERAL gt gt AC Power Supply voltage M 380 Power Factor 100 Carbon Dioxide Ratio 50 0 01 kgcO0 kwh Tariffs Tariff 1 Initial Value 13 z 20 07 local currency kiah S Tariff 2 Initial Value 0 a 20 07 local currency kish S Tariff 3 Initial Value 0 z 2
7. and every calculation will be reset to their default values so every object related to instant values estimations total values and average values that had been enabled by parameter will become zero as well as every variable needed for calculations In addition communication objects related to tariffs and the upper and lower limits will return to their original values that is the one parameterised http www zennio com Object Function Current Time Current Date Length 3 Byte 3 Byte 0 No Action 1 Reset 1 bit 0 No Action 1 Request 1 bit 0 No Action 1 Reset 1 bit 0 No Action 1 Request 1 bit O Disable 1 Enable 1 bit Tariff value Tariff value Tariff value Tariff value 2 Byte 2 Byte 2 Byte 2 Byte 0 No Action 1 Switch Tariff 1 bit 0 No Action 1 Switch Tariff 1 bit 0 No Action 1 Switch Tariff 1 bit 0 No Action 1 Switch Tariff 1 bit Figure 7 Default Topology OAAaAaaAanMnAaMmeAaAMAaaAaaak 0O N ip E eo E FEF M E GF fF HS bh BC Ff 3 Kal cl zl si SS See SR U DataType U TimeDPT_Time0 U DateDPT_Date 1 bit 1 bit 1 bit 1 bit 1 bit DPT_Enable 2 byte float value 2 byte float value 2 byte float value 2 byte float value 1 bit 1 bit 1 bit 1 bit Priority Technical Support http zennioenglish zendesk com 12 through the corresponding ETS fields After that the measuring and calculating process will start over The value 0 written to this object will have no effect
8. c E Send Object when over Limit No e VT et pF s 10 0 No Hysteresis S d Initial Value allows setting in tens of watts the value that at least in the beginning the Energy Saver will assume as the lower limit while measuring power If this is set to 0 KES will not monitor whether the power consumption becomes or not lower than a particular lower limit The value of the lower limit however can be modified in runtime through the Lower Limit communication object In the case of parameterising a value other than O for this field it will be as well necessary to configure the parameters described below which define how the lower limit monitoring behaves d When Under Limit Send allows setting the value 0 or 1 that will be written to the Low Consumption Indicator object when the instant power becomes lower than the value defined as the lower limit making the user aware of this low consumption situation in the system http www zennio com Technical Support http zennioenglish zendesk com 26 d Send Object when Over Limit this parameter allows specifying whether the Low Consumption Indicator object should send or not the inverted value i e 0 if the previous parameter was set to 1 once the instant power is again over the lower limit or over the lower limit plus the deadband or margin configured through the parameter explained below making the user aware of t
9. measured To achieve this a case similar to 2 in Example 2 must be considered Enabling the measurement only during for 8 hours a day will cause that any http www zennio com Technical Support http zennioenglish zendesk com 37 consumption made during the other 16 hours is discarded and that the average daily consumption is obtained by dividing by 8 not 24 Regarding weekly and monthly values only those days in which not only there was a null total consumption but also the measurement was detected disabled at the end of the day midnight will be discarded Example V tariffs Let the following tariff parameterisation be downloaded to KES Initial value for Tariff 1 15 cents Initial value for Tariff 2 16 cents Initial value for Tariff 3 O cents Initial value for Tariff 4 O cents Assume an instant power consumption of 2 kW and that KES gets switched on at midnight 1 The estimated cost will be 2 kW 24h 0 15 m u 7 2 monetary units 2 When it s 1 00h the last hour cost will be 2 kW 1h 0 15 m u 0 30 m u 3 At 1 22h if a 1 is sent through Switch to Tariff 2 the estimated cost will become 2 kW 24h 0 16 m u 7 68 monetary units 4 At 2 00h the last hour cost results to be 2 kW 1h 0 16 m u 0 32 m u As shown the hourly cost has been rounded by applying the new tarif 5 At 2 33h a 1 is sent through Switch to Tariff 3 6 When it s 3 00h
10. phase environments two independent application programs gt KES 1x ThreePhase destined to three phase electric systems where each of the measuring probes will monitor one of the phase lines gt KES 3x SinglePhase destined to single phase electric systems where each measuring probe can be used to monitor three independent electric conductions channels d 3 independent input channels for the connection of up to three measuring probes model ZN1AC CST60 to monitor three independent single phase lines or one three phase line depending on the application program which permits the following functions gt Measuring and reporting the instant active power consumptions kW gt Calculating and reporting the active energy consumptions kWh gt Calculating and reporting the cost of the energy consumption with the possibility of setting up 4 different tariffs as well as the volume of the CO emissions required to generate such energy gt Monitoring power limits d Hourly daily weekly and monthly report of total energy consumption as well as upon request through a global request object e Sending of the actual and average values of the consumed energy the cost incurred and the corresponding CO emissions every day every week every http www zennio com Technical Support http zennioenglish zendesk com 4 Zennio KES 3xSingle Phase month or upon request d Synchronisation through
11. the last hour cost is 2 kW 1h 0 m u O m u As shown setting the initial value of a tariff as zero does not disable it for effectively disabling it it is necessary to leave the Switch to Tariff x object unlinked 7 At 3 14h the value 0 20 m u is sent through Tariff 3 8 When it s 4 00h the last hour cost will be 2 kW 1h 0 20 m u 0 4 m u http www zennio com Technical Support http zennioenglish zendesk com 38 Example VI power factor Assume a system where the power factor is 90 e where 10 of the effective energy the power supplied by the electric company is not actually converted into active or useful energy that is consumed by the devices d If a power factor of 90 is parameterised the values sent by KES to the bus in relation to power and energy will correspond to those actually consumed by the system although the amount of the effective energy that is really transmitted by the monitored line is a bit higher d If a power factor of 100 is parameterised KES will consider the total energy detected in the line without applying the pertinent corrections to discard the portion of energy that is not actually consumed d A parameterisation with a power factor of 80 will cause an excessive correction made by KES which will send the bus smaller values than the effective ones and also than the active ones Example VII power limits Assume a Power Limit parameteris
12. will be explained in detail in section 3 2 3 of this user manual http www zennio com Technical Support http zennioenglish zendesk com 11 Zennio 3 ETSPARAMETRISATION For beginning with the parameterisation of KES it is necessary once the ETS program has been opened to import the product database KES 1xThree Phase application program Next the device must be added to the project where desired Right clicking on the name of the device will display the Edit parameters option which allows the parameterisation itself KES 3xSingle Phase The following sections describe in detail the different options available in ETS 3 1 DEFAULT CONFIGURATION When no particular parameterisation has been defined yet the device and its objects will show as in Figure 7 EE Project ww Name F 1 New Area JE 1 1 New Line l Date 111 KES ENS Global Reset Global Request Partial Reset Request Disable Tariff 1 Tariff 2 Tariff 3 Tariff 4 Switch to Tariff 1 Switch to Tariff 2 Switch to Tariff 3 Switch to Tariff 4 Time Objects Time and Date are shown first in the list Their purpose is to set the time and date of KES by means of an external KNX clock Their functionality and everything related to the time management will be detailed in ANNEX I Time Management Global Reset and Global Request are listed next When the value 1 is received by the earlier every counter
13. 0 07 local currency kish is Tariff 4 Initial Value 0 0 01 local currency k Wh Date and Time request on BUS voltage recovery Initial Delay x1 sec 10 Cyclical Sendings SECURITY Sending of last Daily values Cycle Time 0 1 hour 0 Disabled Cancel Default Info Help Figure 8 Default Configuration Screen d AC Power Supply Voltage V this field is to configure the effective three phase voltage of the electric network 0 450v The default value is 380 d Power Factor this parameter defines as a certain percentage how the active power the one actually consumed by the load and the total power supplied are related see section 2 1 The default value is 100 d Carbon Dioxide Ratio amount of CO in cents of a Kg sent to the atmosphere to produce one unit of energy kWh Note the value shown by default 0 5 kg CO kWh is approximately similar to the regular ratios in Europe It is always possible to change it by entering values more accurate for the system being monitored or by directly setting the exact value that can usually be found on the electric bill provided by the power supplier http www zennio com Technical Support http zennioenglish zendesk com 14 d Tariffs Tariff x Initial Value Initial value for tariff vi out of up to four different tariffs for the calculation of the cost estimated actual or average of the energy consumptions This value shou
14. 6 options and their respective parameterisation will be explained in later sections Three more 1 bit communication objects will be initially shown independently of which of the measuring options have been enabled Partial Reset Request and Disable not to be confused with the previously mentioned Global Reset and Global Request parameters d When the Energy Saver receives the value 1 through the Partial Reset object every communication object and variables related to estimates and average total values will be re set to zero Receiving the value 0 will have no effect d When the Energy Saver receives the value 1 through the Request object it will report the accumulate values since the last reset for the energy consumption the incurred cost and the carbon dioxide emissions These values are reported through the Total Energy Total Cost and Total CO2 Emissions communication objects respectively which will automatically show up when the corresponding option gets enabled in ETS In addition if Reset after request has been enabled under the General screen whenever a 1 is received through the Request object a reset process similar to the one described above will also take place Note the three Total objects are not intended to be read independently their values will only be updated and sent to the bus all together as a respon
15. Byte CTR Non standardized DPT 670760 00 670760 00 Monthly CO2 Emissions Monthly CO2 Emissions 34 4 Byte CTR DPT_ActiveEnergy_kWh 2147483648 2147483647 Average Monthly Energy Consumption 35 2 Byte R Non standardized DPT 670760 00 670760 00 Average Monthly Cost Average Monthly Cost Reboot Name Function Daily CO2 Emissions Daily CO2 Emissions Average Daily Energy Consumption P W WW E Average Daily Cost D Avg Daily Energy Consumption Average Daily Cost Average Daily CO2 Emissions Average Daily CO2 Emissions un W H Weekly Energy Consumption Weekly Cost Weekly CO2 Emissions Average Weekly Energy Cons Average Monthly Energy Cons CT 37 4 Byte CT DPT_ActiveEnergy_kWh 2147483648 2147483647 Total Energy Total Energy Consumption 39 2 Byte Ter Total Co2 Emissions Total CO2 Emissions a L ps o CTR 1 1 instantaneous Poner imstantaneous Power CT CT CT T ty Peakrower Day Peak Power vien Peak Power Weekly Peak Power CT R Monty Peak Power vontny Peak Power 42 43 44 45 46 47 48 49 64 65 72 73 80 81 85 86 90 91 95 2 Byte 2 Byte 2 Byte 2 Byte 1 Bit 2 Bytes 1 Bit 1 Bit 1 Byte 2 Bytes 1 Bit 1 Byte 2 Bytes DPT_Power 670760 670760 kW Upper Limit Upper Limit value TR DPT_Trigger a Over consumption Alarm Alarm gt Sending of 0 or 1 ower Limit Lower Limi
16. Example VI A periodic sending has been parameterised for every three hours and a parameter download takes place at 9 25h am after which the internal clock of KES is set to the current time Five minutes later the clock is again set in this case to 10 15h am A few seconds later it is set to 1 38h pm And a little later it is set to 5 06h pm Immediately after this time change the device will throw the first periodic sending The reason is that according to KES three forward hour changes have taken place since it began working the first one from 9h to 10h the second one from 10h to 1h and the third one from 1h to 5h Note that if no more fictitious time changes are forced after setting the clock to 5 06h the device will execute the second security sending when its internal clock shows 8 00h pm Moreover as stated before after midnight the periodic timer will be set to zero so the first sending of the next day will take place at 3 00h am http www zennio com Technical Support http zennioenglish zendesk com 31 Example VII A periodic sending has been parameterised for every three hours The device has been turned on and the internal clock has been correctly set As soon as it is 3 00h am the periodic sending takes place However assuming that Today is the day when the clock jumps backward an hour for daylight saving Summer to Winter time switch after such sending the external KNX clock will send an order to the internal
17. UNCTION 2 Disabled r FUNCTION 3 Disabled r FUNCTION 4 Disabled Ke FUNCTION 5 Disabled Ke TOTAL DATA ENTRY OBJECTS a E Figure 12 Logical Functions To obtain detailed information about using and parameterising the logical functions please refer to the Logical Functions X5 specific document available from Zennio at http Awww zennio com http www zennio com Technical Support http zennioenglish zendesk com 28 ANNEX I TIME MANAGEMENT As shown in section 3 1 the objects Date and Time are displayed by default in ETS when the device is configured The purpose of these two objects is to set KES to the date and time of an external KNX clock However KES features its own built in clock so these two objects are typically only necessary for occasional synchronisation of the internal clock to the external clock for example after a parameter download or upon voltage recovery after bus failures the internal clock only works under bus voltage Therefore in normal circumstances it is not necessary that the KNX clock sends these objects continuously Consequently every time KES is programmed or recovers after a bus voltage failure two read requests are sent to the bus through these objects with the intention of updating the internal clock to the time and date that will be received as a response from the KNX external clock If this request receives no response after five seconds KES will retry by s
18. alculate the difference between the current value of Total Energy and that from the last month in order to obtain the monthly consumption in the case of this example the consumption made by the machine Note objects related to energy consumption always report their values although objects related to cost or CO emissions do not rounded to the nearest integer That is why the 0 8 kWh mentioned in the above example may show as 1 kWh although the 0 8 kWh are actually considered as such for calculation http www zennio com Technical Support http zennioenglish zendesk com 34 Zennio KES 3xSingle Phase Example Il measuring disabled Four different cases are presented next in relation to how KES works when the measurement has been disabled d CASE 1 12h 24h gt 3 kW 3 kW d CASE 2 12h 24h 3 kW d CASE 3 2h http www zennio com Let a power consumption of 3 kW happen during 24h If measurements are permanently enabled at the end of the day Daily Energy Consumption 72 kWh Average Daily Energy Consumption 72 24 3 kWh If during the rest of the week measurements are left enabled and the power consumption keeps being 3 kW Weekly Energy Consumption 504 kWh Average Weekly Energy Consumption 504 7 72 kWh Similar situation but one of the days the measurement stays disabled for 12 hours no matter which In such case that day Daily Energy Consu
19. an external KNX clock e Module with up to 5 multi operation logical functions Note the measurement algorithm implemented in versions 2 0 and later of KES can correctly compute power consumptions in a variety of alternating currents including non sine signals and signals generated by dimmers This makes KES able to work with signals of any shape and to measure power consumptions with all kinds of appliances and devices in the home and industrial environments d Zennlo KNR KES ZN110 KES ENS ER S PROG Channel C F C B EE Channel CE SE Made in Spain Channel A 1 Figure 1 The KES Energy Saver 1 2 INSTALATION KES connects to the KNX bus via the bus connecting terminals The input channels are connected to KES through the screw terminal included in the device packaging Once KES is provided with power from the KNX bus both the individual address and the associated application program can be downloaded Figure 2 shows the element scheme of KES http www zennio com Technical Support http zennioenglish zendesk com E S O Ee KNX Terminal Programming LED Programming Button Input Slot Figure 2 Element scheme The functionality of the main elements is described below d Programming Button 3 a short press on this button sets the device into the programming mode making the associated LED 2 light in red If this button is held while plugging the device into t
20. ase is that of having during one day a total consumption of zero note that such situation is quite improbable and the measurement enabled for only a few hours In that case for weekly calculation that day will only be taken into account if during the day change the measurement is found to be active If measuring stays disabled that day only from 7h am to 1h pm Daily Energy Consumption 0 kWh Average Daily Energy Consumption 0 18 0 kWh Weekly Energy Consumption 432 kWh Average Weekly Energy Consumption 432 7 62 kWh If measuring stays disabled that day only between 7h pm and 12h pm Daily Energy Consumption 0 kWh Average Daily Energy Consumption 0 19 0 kWh Weekly Energy Consumption 432 kWh Average Weekly Energy Consumption 432 6 72 kWh Assume for the remaining six days in the week measurement enabled and daily consumption of 72 kWh Technical Support http zennioenglish zendesk com 36 Example Ill measuring disabled While measuring the electric consumption of a certain device that remains always turned on and that consumes 200 W constantly the measurement is left enabled between 0 00h am and 11 00h am on Monday Exactly at 11 00h am it is deactivated through the Disable object When it gets to midnight KES will consider that the total consumption during the day has been 2 2 kWh that is 200 watts constantly during 11 hours since there was no measuring between 11 00h am an
21. ation as follows d Upper limit Initial Value 200 tens of watts When Over Limit Send 1 Send Object when Under Limit Yes Hysteresis Under Limit 20 tens of watts d Lower limit Initial Value 100 tens of watts When Under Limit Send 1 Send Object when Over Limit Yes Hysteresis Over Limit 20 tens of watts Under this parameterisation the following can be tested http www zennio com Technical Support http zennioenglish zendesk com 39 1 As soon as the instant power is over 2 kW a 1 will be sent through Over Consumption Alarm 2 If the value goes down to 1 92 kW nothing will happen Nothing will happen either if it goes over 2 kW again 3 If the value decreases to 1 78 kW the inverted value 0 will be sent through Over Consumption Alarm If after that it increases again to over 2 kW one 1 will be sent through the same object 4 If the value now goes to 0 95 kW one O will be first sent through Over Consumption Alarm and afterwards one 1 through Low consumption indicator 5 A new value of 1 05 kW will not have an effect nor will a later decrease to 0 95 kW 6 If the instant power goes to 1 25 kW the inverted value a O will be sent through Low Consumption Indicator If it goes then under 1 kW one 1 will be sent through the same object 7 Finally if the values 3 0 and 4 0 are sent t
22. clock to jump back to 2 00h am This backtracking does not affect the timing of the periodic sending however Once it is 3 00h am again the device does consider that a new forward hour change has taken place as it has actually happened Because of this the next periodic sending will take place at 5 00h am which would be 6 00h am if no backtracking had happened Finally after the next midnight the timers will be reset again so there will not be a sending at 5 00h am anymore but at 6 00h am http www zennio com Technical Support http zennioenglish zendesk com 32 ANNEX II FURTHER EXAMPLES With the aim of making clear how KES works and of presenting the multiple parameterisable communication objects in their context a few more examples will be offered next They are intended to cover most of the doubts that may rise during the initial contact with the device Of course these examples are complemented with those already included in ANNEX I Time Management Note a few seconds of sampling are always needed by KES before most of the objects and variables are updated If for testing simulation purposes several hour changes are forced with less than 5 seconds between them KES may report incorrect or null values through the objects sent to the bus such as Last hour Energy Consumption Example total consumption The simplest application of KES consists in simply calculating total consumptions In that case
23. d Send Average Weekly Cost y local currency e y Send Average Weekly CO2 y Emissions kgC02 e Note objects referring to Average Weekly values energy consumption cost or CO emissions represent the total consumption in kWh local currency or kgCO of the week divided by the number of days of the week In other words they represent the average consumption per day during the last week d Monthly Values The sending of the communication objects related to the energy consumption during the last month the incurred cost and the required CO emissions can be enabled from here as well as of the objects representing monthly average values These are Monthly Energy Consumption Monthly Cost Monthly CO Emissions Average Monthly D Di Energy Consumption Average Monthly Cost and Average Monthly CO2 Emissions http www zennio com Technical Support http zennioenglish zendesk com 21 Zennio Monthly Values Send Monthly Energy Consumption KES 3xSingle Phase kwh Ha E ele lod local currency ES bd Send Monthly CO2 Emissions y kgc02 e ul Bae cnn aa Consumption kh id Send Average Monthly Cost y local currency hal Send Average Monthly CO Ves E Emissions kg O 2 Note objects referring to average monthly values energy consumption cost or CO emissions represent the total consumption in kWh local currency or kgCO2 of the month divided by the
24. d midnight and that the average daily consumption has been 200 watts per hour 2 2 kWh 11 hours Exactly after midnight the measurement is enabled again and remains this way indefinitely measuring a 200 Wh consumption every hour When the week is over after midnight from Sunday to Monday the earlier Monday will be considered as a regular day in order to calculate the average weekly consumption per day In other words Weekly consumption 2 2 kWh 6 days x 0 2 kW x 24 hour 31 kWh Average weekly consumption 31 kWh 7 days 4 43 kWh per day Suppose the device whose consumption is being measured now stays turned on only on Tuesday Thursday and Saturday and that the measurement is always enabled In that case there will be a consumption of O kWh on Monday Wednesday Friday and Sunday The total consumption for Tuesday Thursday and Saturday will be 3 days x 0 2 kW x 24 hours 14 4 kWh However once the week is over the average weekly consumption will be 14 4 kWh 7 days 2 06 kWh The division is by 7 because the measurement stayed enabled during seven day forward changes including those in which there was a consumption of exactly zero Example IV measuring disabled Suppose the energy consumption of an office is going to be monitored Most of everyday consumption takes place during the 8 working hours and although there is not a consumption of exactly O kWh during the rest of the day it is not going to be
25. dized DPT 670760 00 670760 00 Estimated Cost Estimated Cost 4 Bytes O CTR DPT_ActiveEnergy_kWh 2147483648 2147483647 LastHour Energy Consumption Last Hour Energy Consumption 2 Bytes O CTR Non standardized DPT 670760 00 670760 00 LastHour Cost Last Hour Cost 4 Bytes O CTR DPT_ActiveEnergy_kWh 2147483648 2147483647 Daily Energy Consumption Daily Energy Consumption 2 Bytes O CTR Non standardized DPT 670760 00 670760 00 DailyCost Daily Cost http www zennio com Technical Support http zennioenglish zendesk com 47 S me le KES 3xSingle Phase Number Size UO Flags Data Type DPT Functional Range 1st boot 21 2 Bytes CTR 670760 00 670760 00 22 4 Bytes CTR 2147483648 2147483647 23 2 Bytes CTR 670760 00 670760 00 24 2 Byte CTR 670760 00 670760 00 25 4 Byte CTR 2147483648 2147483647 gt Weekly Energy Consumption 28 4 Byte CTR DPT_ActiveEnergy_kWh 2147483648 2147483647 Average Weekly Energy Consumption 29 2 Byte CTR Non standardized DPT 670760 00 670760 00 Average Weekly Cost Average Weekly Cost 31 4 Byte CTR DPT_ActiveEnergy_kWh 2147483648 2147483647 Monthly Energy Consumption Monthly Energy Consumption 32 2 Byte CTR Non standardized DPT 670760 00 670760 00 Monthly Cost Monthly Cost 33 2
26. e Continuous Sending of certain updated values In order to better understand how KES counts these periods and the exact instant when the objects are sent please refer to ANNEX lI Time Management gt Security Sending of Last Daily Values allows periodically re sending the values related to the previous day being possible to select cycle times of 1 2 3 4 6 or 12 hours O disables this sending This way all the daily values enabled under Active energy see section 3 2 1 will http www zennio com Technical Support http zennioenglish zendesk com 15 not only be sent at the end of the day but also during the following day every time the selected period expires gt Security Sending of Last Weekly Values permits periodically re sending the values related to the previous week being possible to select cycle times of 1 to 7 days CO disables this sending This way all the weekly values enabled under Active Energy see section 3 2 1 will not only be sent at the end of the week but also during the following week every time the selected period expires gt Security Sending of Last Monthly Values permits enabling the periodic re sending of the values related to the previous month being possible to select cycle times of 1 to 30 days 0 disables this sending This way all the monthly values enabled under Active Energy see section 3 2 1 will not only be sent at the end of the month but a
27. e daily average values Average Daily Energy Consumption Average Daily Cost and Average Daily CO Emissions Daily Values Send Daily Energy Consumption y kwh e id Send Daily Cost Vez local currency Send Daily CO2 Emissions Y kgC02 e ES Send Average Daily Energy y Consumption kwh SS Send Average Daily Cost Vez m local currency Send Average Daily COZ Y Emissions kgC 02 ba Note objects referring to average daily values energy consumption cost or CO emissions represent the total consumption in kWh local currency or kgCO of the day divided by the number of hours of the day In other http www zennio com Technical Support http zennioenglish zendesk com 20 words they represent the average consumption per hour during the last day d Weekly Values The sending of the communication objects related to the energy consumption during the last week the incurred cost and the required CO emissions can be enabled from here as well as of the objects representing weekly average values These are Weekly Energy Consumption Weekly Cost Weekly CO Emissions Average Weekly D Di Energy Consumption Average Weekly Cost and Average Weekly CO Emissions Weekly Values Send Weekly Energy Consumption y Send Weekly Cost y local currency i Send Weekly CO2 Emissions y kgc02 i Send Average Weekly Energy y Consumption kwh En b
28. e how the upper limit monitoring behaves d When over Limit Send allows setting the value 0 or 1 that will be written to the Over Consumption Alarm object when the instant power becomes greater than the value defined as the upper limit making the user aware of this over consumption situation in the system http www zennio com Technical Support http zennioenglish zendesk com 25 d Send Object when Under Limit allows specifying whether the Over Consumption Alarm object should or should not send the inverted value e 0 if the above parameter is set to 1 once the instant power is back again under the upper limit or under the upper limit minus the deadband or margin configured through the parameter explained below making the user aware of the end of the over consumption situation 2 Hysteresis Under Limit this parameter can be used to avoid consecutive over consumption alarms every time the instant power after having exceeded the upper limit and having activated the alarm is no longer higher than the limit but then exceeds it again By configuring a certain margin with a value other than 0 in tens of watts every time the over consumption alarm is triggered it will be necessary that the measured power decreases to upper limit minus margin before further over consumptions trigger the alarm again See Figure 6 section 2 3 For the lower limit Lower Lirit al Vai KOW
29. ency greater than this value is detected a new sending of the corresponding communication object Estimated Energy Consumption Technical Support http zennioenglish zendesk com 19 or Estimated Cost will happen If there is no need of this feature this field can be left with value 0 Note if a value other than 0 is set for the fields Cycle time and Send on Value Change the associated objects Estimated Energy Consumption and Estimated Cost will also be sent to the KNX bus whenever the value 1 is received through the Global Request communication object 2 Hourly Values From this section it is possible to enable the sending of the communication objects related to the energy consumption during the last hour either in kWh object Last Hour Energy Consumption or as the associated cost object Last Hour Cost These objects will be shown once their own parameters have been enabled Hourly Values Send Last Hour Energy Consumption kwh Send Last Hour Cost local currency 2 Daily Values From this section it is possible to enable the sending of the communication objects related to the energy consumption kWh during the last day the related cost local currency and the related CO emissions kgCO These objects are Daily Energy Consumption Daily Cost and Daily CO2 Emissions It is also possible to enable the sending of th
30. ending both objects up to three more times with a five second delay from one to another If no response is obtained after these four attempts KES will assume that the current time and date are those that the internal clock had the last time it was working or in case KES has just been programmed that the current date is January 1 2000 and the current time is 0 00 am Regarding cyclical sending of objects both the ones enabled from the General screen and the ones enabled from that of the other screens it is important to remark that all of them will always take place coinciding exactly with hour day or week changes never in the middle of two hours two days or two weeks Example I lf one security sending has been defined for every three hours and a parameter download as well as the consequent time set takes place at 10 25h am the first sending will be received at 1 00h pm that is three hour changes after the parameter download not at 1 25h pm http www zennio com Technical Support http zennioenglish zendesk com 29 Example Il If one security sending has been defined for every two days and a parameter download as well as the consequent time set takes place on Monday at 10 25h am the first sending will be received on Wednesday at 0 00h am that is two day changes after the parameter download not at 10 25h am on Wednesday In addition it is important to keep in mind that the period counter is reset a
31. etected during the last hour day week or month Please note that if enabled hourly peak values can be sent not only at the end of the last hour but also before the end by means of the parameters Minimum Time between Sendings Cyclical Sending and Send on Value Change which behave the same way as described above for Instantaneous Power making it possible to inform the bus about how the hourly peak value changes throughout the http www zennio com Technical Support http zennioenglish zendesk com 23 hour Regarding daily weekly and monthly peak values they can be sent not only at the end of the day week month but also periodically with their updated instant values that is the peak value until the current portion of the current day week or month however in this case this must be configured under the General screen with a unique parameterisable period for the three of them The associated objects in this case are Hourly Peak Power Daily Peak Power Weekly Peak Power and Monthly Peak Power Peak Power Values Hourly Peak Power k i ee Sendings x1 sec E NOTE Minimum Time between Sendings limite Cycle Time Cycle Tine Jl CS Cycle Time 21 sec 0 Disabled S ies 10 0 Disabled CS E x 10 0 Dizabled S Send Daily Peak Power kw Yes e Send Weekly Peak Power kW Yeg ka Send Monthly Peak Power kia Teg e 3 2 3 POWER LIMIT MONITORING From this screen i
32. gure 9 Active Energy Estimations WwW Related to estimations two communication objects come up Estimated Energy Consumption and Estimated Cost being possible to configure the following gt Minimum Time Between Sendings allows setting the minimum time http www zennio com in seconds that should pass between the sending of every two consecutive values of the corresponding object Estimated Energy Consumption and or Estimated Cost no matter if they correspond to a cyclic sending or to a sending due to a change of the value Valid times are 5 255 seconds This minimum time between the two will only be taken into account if a value other than 0 is parameterised for the fields Cycle Time or Send on Value Change Cycle Time allows setting the period for sending the objects Estimated Energy Consumption and or Estimated Cost in seconds In other words every how much time these values will be sent to the KNX bus Note if the value specified here x is lower than the minimum time between sendings y the latter will prevail resulting in a sending taking place only every y seconds If O is parameterised for Cycle Time no periodic sending of the associated communication object will take place Send on Value Change allows setting a certain value so that whenever a change in the estimated consumption either in kWh or in units of the local curr
33. he KNX bus KES will enter the Safe Mode The LED will then blink in red d Input Terminal 4 slot for the insertion of the screw input terminal see figure below and therefore for the connection of the different measuring probes provided with the device A different probe will be required per electrical line being monitored The two wires of each measuring probe will be inserted into the two connection points of the particular input channel to be used For instance if three electrical lines are going to be monitored one probe will need to be connected to the slots 1 and 2 referred to as Channel A in the Single Phase application program another one to the slots 3 and 4 Channel B and a third one to the slots 5 and 6 Channel C In the case of the Three Phase version each probe will be destined to monitor one of the three phase lines in the electrical system Note the insertion order of the two terminal wires from the measuring probe to the connection slots does not affect the functionality l e for the first input channel it is possible to connect either one of the wires from the probe into point 1 and the other cable into point 2 or either the inverse 1 2 3 4 3 6 OOOO Figure 3 screw input terminal http www zennio com Technical Support http zennioenglish zendesk com 6 1 2 1 MEASURING PROBE The set up process of the ZN1AC CST60 measuring probe Figure 4 is described next Figure 4 Ze
34. he end of the low consumption situation d Hysteresis Over Limit this parameter can be used to avoid sending consecutive low consumption indicators every time the instant power after having become lower than the lower limit and therefore having activated the indicator is no longer lower than the limit but then becomes lower again By configuring a certain margin with a value other than 0 in tens of watts every time the low consumption indicator is triggered it will be necessary that the measured power reaches lower limit plus margin before further low consumptions trigger the indicator again See Figure 6 http www zennio com Technical Support http zennioenglish zendesk com 2 Zennio KES 3xSingle Phase 3 3 LOGICAL FUNCTIONS This module is provided to perform arithmetical operations or in binary logic with incoming data from the KNX bus so that the result is then sent through other communication objects specifically enabled in the device for this operation Up to five different and independent of each other logical functions can be enabled carrying out a maximum of four operations each To use any of them it is necessary to configure the following ETS window which appears after selecting Yes in the Logical Functions box of the General window lt lt LOGICAL FUNCTIONS gt gt GEHERAL gt lt lt LOGICAL FUNCTIONS gt gt FUNCTION 1 CALL LOGICAL FUNCTIONS SELECTION OPERATIONS F
35. hrough objects Lower Limit and Upper Limit respectively it will become necessary that the power goes over 3 20 kW before a 0 is sent through Low Consumption Indicator and that it goes over 4 kW before a 1 is sent through Over Consumption Alarm Note Special care must be taken when writing to objects Upper Limit and Lower Limit Values which are too close enough to have a difference smaller than the defined margin bands or that do not satisfy the condition Lupper gt Liower Will Cause behaviours with no practical sense http www zennio com Technical Support http zennioenglish zendesk com 40 Example VIII global test This practical example aims to simulate in only a few minutes how KES would work in a longer time lapse several hours several days and several weeks At the end of the example a small graph has been included to show the hour day and week changes that are being simulated To begin with the following ETS parameterisation is assumed d General screen all cyclic and security sendings enabled and with the shortest cycle time i e the most frequent selected every hour or every day depending on the case Only one tariff with a cost of 5000 cents of the local currency per kWh and a CO ratio of 50 Regarding the voltage the one corresponding to the system And a power factor of 100 d Active Energy screen values 5 30 and O for section Estimated Ene
36. idering that objects related to energetic consumption are always rounded to the closest integer this 2 is consistent with the result of dividing the 3 kWh consumed on Monday by the number of hours of that day two Average Daily CO Emissions 0 75 This value is the result of 50 kg 0 01 3 kWh 2 hours Average Daily Cost 75 monetary units This object indicates the cost that as an average will be paid per hour for the energy consumption of Monday The value sent through this object is obtained with the following equation 3 kWh 50 monetary units 2 hour 5 After some minutes since 4 set the internal clock to next Monday any time would be OK maintaining the 2000 W load Weekly Energy Consumption 5 According to the device the last week was only 2 day long with a different amount of hours each and with a different length each of these hours That is why KES estimates that the total consumption for the week was 3 kWh from Monday and 2 kWh from Tuesday Weekly Cost 250 monetary units 5 kWh 50 m u 250 m u Weekly CO emissions 2 5 kg Obtained as 50 kg 0 01 5kWh Average Daily Energy Consumption 2 kWh According to the device the previous day lasted only for one hour with a consumption of 2 kWh Therefore the average daily consumption was 2 kWh 1 hour 2 kWh per hour Average Daily CO Emissions 0 5 kg This value is the result of calculating 50 kg 0 01 2kWh 1 hou
37. ing a certain delay from week to week http www zennio com Technical Support http zennioenglish zendesk com 30 On the other hand it must be also remarked that bus failures will reset the timing for the periodical sending of objects which is anyway conditioned to the behaviour described in the two previous examples Example V A security sending is parameterised for every six hours A parameter download takes place at 9 25h am after which the internal clock is set to the current time When it is 3 00h pm the first periodical sending happens After that at 5 15h pm a bus failure takes place or alternatively the device is turned off for a few minutes At 5 25h pm the voltage is recovered and the internal clock is set again to the current time otherwise it would assume that it is still 5 15h pm Since the voltage failure has caused a reset in the timing of the periodical sending the next security sending will happen at 11 00h pm even if the previous one had taken place at 3 00h pm Finally and for a better comprehension of the behaviour of KES under hour changes such as summer to winter amp winter to Summer hour corrections or under consecutive time sets during tests it is important to note that the timers in KES do not really count the number of hours going by but the number of forward hour changes Of course all considerations that have already made will also apply here as shown in the following examples
38. it would be enough to parameterise something like the following d General screen only one tariff with a cost of 15 cents per kWh and a CO ratio of 50 Voltage the one corresponding to the system Power factor 100 Cyclic sending disabled d Active Energy screen values 5 O and O for section Estimated Energy Consumption Values 5 O and O for section Estimated Cost Parameters Daily Energy Consumption Daily Cost Monthly Energy Consumption and Monthly Cost enabled All other parameters disabled d Active Power screen values 5 0 and O for section Instantaneous Power and 10 0 and O for Hourly Peak Power All other parameters disabled In such circumstances KES will perform the following functions 1 Sending every midnight the Daily Energy Consumption and Daily Cost objects expressed in kWh and monetary units respectively 2 Sending on the 1st day of every month at 0 00h am the Monthly Energy Consumption and Monthly Cost objects expressed in kWh and monetary units respectively http www zennio com Technical Support http zennioenglish zendesk com 33 For simplicity the probes can be supposed to be measuring the consumption of a 100 watt three phase machine throughout a certain month with 22 workable days during which the machine stays on between 8 00h in the morning and 6 00h in the afternoon and 8 non workable days duri
39. ld be expressed in cents of the local currency KES permits defining up to four tariffs with different electric fees and to switch from one to another in runtime the active tariff by default is tariff 1 To make this possible there are four 1 bit objects Switch to Tariff x that allow by sending the value 1 changing from one tariff to another These objects may be linked to an external timer so that for example depending on the time band in which KES takes consumption samples one tariff or another is used making cost estimations more precise It is also possible to change in runtime the value itself of each tariff Four 2 byte objects Tariff x can be found for this purpose making it possible to update the value originally defined by parameter Should any of the tariffs be unnecessary the Switch to tariff x object can be left unlinked d Date and Time Request on Bus Voltage Recovery defines how much time 1 to 255 seconds KES should wait whenever the bus voltage is recovered from a bus failure before sending the time and date requests through the KNX bus See ANNEX I Time Management d Cyclical Sendings these parameters are destined to enable disable periodically sending certain objects related to the measurements This includes both a Security Sending in other words re sending values that had already been calculated and reported to the bus but that can be sent again periodically and th
40. lso during the following month every time the selected period expires gt Sending of Daily Weekly and Monthly Peak Power Values allows periodically sending the instant updated values of the daily weekly and monthly peak power being possible to select a cycle time of 1 2 3 4 6 or 12 hours COU disables this sending This way the peak power values enabled under the Active Power screen see section 3 2 1 will not only be sent when corresponding to each at the end of the day at the end of week or at the end of the month but also every time the selected period expires letting the bus know how the peak values change during the current day week and month d Reset after Request when this parameter is enabled Yes the value of the communication objects and variables related to the total consumptions will be reset to zero every time KES responds to a request of the total consumption values since the last reset This request is performed by sending the value 1 through the Request object d Logical Functions after enabling this parameter the menu on the left will include a new tab for the configuration of the logical functions See section 3 3 for further information d Measuring Options this parameter permits enabling different measuring alternatives active energy active power and power limit monitoring These http www zennio com Technical Support http zennioenglish zendesk com 1
41. mption 36 kWh Average Daily Energy Consumption 36 12 3 kWh If the measurement is left enabled for the rest of the week and the power consumption remains at 3 kW then when the week ends Weekly Energy Consumption 468 kWh Average Weekly Energy Consumption 468 7 66 85 kWh 67 kWh Similar situation but one of the days the measurements are left disabled during the whole day In such case that day Daily Energy Consumption 0 kWh Average Daily Energy Consumption 0 kWh lf measuring is enabled again for the rest of the week and the power consumption remains at 3 kW that particular day will not be taken into account when the week ends Weekly Energy Consumption 432 kWh Average Weekly Energy Consumption 432 6 72 kWh 67 kWh Technical Support http zennioenglish zendesk com 35 Zennio d CASE 4 12h 24h gt 0 kW 0 kW d CASE 5 24h http www zennio com KES 3xSingle Phase In the case of having no consumption during a whole day note that a null consumption is a very remote situation although the measurement stayed enabled KES will do take into account that day for the weekly calculation For example assume that there was a daily consumption of 72 kWh during the rest of the week Daily Energy Consumption 0 kWh Average Daily Energy Consumption 0 24 0 kWh Weekly Energy Consumption 432 kWh Average Weekly Energy Consumption 432 7 62 kWh A particular c
42. ng which the machine remains off In such case 1 Every midnight the Dialy Energy Consumption object is sent to the bus with value 0 when the previous day has been non workable or 8h 0 100 kW 0 8 kWh if workable while the Daily cost object will have a value of 0 after a non workable day and of 0 8 kWh 0 15 m u 0 12 monetary units after any other day 2 After every last day of a month at midnight the Monthly Energy Consumption object sent to the bus will have a value of 0 kWh 8 days 0 8 kWh 22 days 17 6 kWh while the Monthly Cost will be 17 6 kWh 0 15 2 64 monetary units This way after every month KES will automatically estimate in what grade the machine contributed to the consumption and to the electric expenses Alternatively if desired the Security Sending function can be enabled from the General screen which allows re sending the last daily and or monthly values so that not only are they sent every day at midnight or on every 1st day of a month respectively but also successively on later occasions Last there is always the possibility of making global or local requests through the Global Request and Request objects at the end of the month so that KES reports the value of the Total cost and of the Total Energy This procedure is somehow similar to reading the ordinary counter installed by the power supplier it would be enough to c
43. nnio ZN1AC CST60 Measuring Probe The required steps are gt Open the top clamp of the probe gt Pass the phase wire from which the energy measures will be taken through the gap that has just been uncovered in the probe Important only one phase line should be inserted into the measuring probe not the entire power cable with the neutral and other phases gt Close back the top clamp of the probe gt Connect the two wires of the measuring probe into the two connection slots of the KES terminal block that correspond to the desired channel Please remember that KES only performs measurements of the power consumed by alternating current AC lines Note it is very important to keep in mind that neither ordinary power supplies 230 V nor other external supplies should be connected to the KNX bus nor directly to the input terminal of KES For detailed information about the technical features of KES as well as on security and installation procedures please refer to the device Datasheet bundled within the device packaging and also available at http www zennio com http www zennio com Technical Support http zennioenglish zendesk com Hereafter this user manual will only refer to the KES 1xThree Phase application program intended for three phase systems The specific user manual for the KES 3xSingle Phase application program intended for single phase systems can be downloaded from the http www zennio c
44. nt containing a value of 1 kWh According to the device the last hour only lasted for ten minutes during five of which there was a consumption of 2 kW while during the remaining five minutes there was a consumption of O kW Therefore KES estimates that between 9 00h and 10 00h there should have been proportionally a consumption of 1 kWh Last Hour Cost 50 monetary units 50 is the cost corresponding to the kilowatt hour that was estimated by the device for the period 9 00h to 10 00h 4 After some minutes since 3 set the internal clock to next Tuesday any time would be OK maintaining the 2000 W load Daily Energy Consumption 3 According to the device last Monday only lasted for two hours each of which lasted itself for only a few minutes although not the same amount in both cases the first one with a consumption of 1 kWh and the second one with a consumption of 2 kWh This is why the total consumption for Monday is estimated to be 1 kWh 2 kWh 3 kWh Daily Cost 150 monetary units 3 kWh 50 m u 150 m u Daily CO Emissions 1 5 kg Obtained as 50 kg 0 01 3 kWh Daily Peak Power 3 kW This ts the highest instant power value detected during the previous day Average Daily Energy Consumption 2 kWh http www zennio com Technical Support http zennioenglish zendesk com 42 This value represents the energy amount that as an average was consumed per hour during the previous day Cons
45. number of days of the month In other words they represent the average consumption per day during the last month 3 2 2 ACTIVE POWER GENERAL Indlantareout Foss Ku Mre Teme beber Sendings xl sec Active Por HOTE Mewnum Tee babasa Sendings knis Cycle Tere Luck Sending 10 Cycle Time el sec 0 Devabled Send on Value Charge 0 210 H Disabledi Peak Power Wales Figure 10 Active Power From this screen it is possible to configure several parameters related to the consumption of active power section 2 1 These are shown grouped into different sections as explained below d Instantaneous Power This section is for configuring the parameters that affect the sending of the Instantaneous Power communication object whose value is expressed in kW with two decimal figures leist Segen zz Powe Ku Mum Tee between sendings xl sec HOTE Neen Time bebreen Sendngs s Cycle Time Luck Sending 10 Cycle Time bel sec 0 e De sggdech Send on Value Change 0 x 10 0 Dizabled http www zennio com Technical Support http zennioenglish zendesk com 22 These parameters are gt Minimum Time between Sendings permits setting the minimum time in seconds which should pass between the sending of two consecutive values of the Instantaneous Power object no matter if they are correspond to a cyclical sending or to a sending due to a change of the value Valid time
46. om website http www zennio com Technical Support http zennioenglish zendesk com 8 2 CONFIGURATION 2 1 ACTIVE POWER KES 1xThree Phase calculates the value of the active power consumed by a three phase system whose phase lines are passed through the three ZN1AC CST60 probes which are connected themselves to the input channels of KES This active power is obtained from the effective intensities measured by the probes and according to the following relation which in general can be applied to three phase systems Ve S 3 Ief a t lef B lefe FP RG Vef v3 Pact lef FP where Vs is the effective voltage of three phase installation and FP is the power factor Both values must be defined by parameter The values of the effective intensities Ief are obtained as stated above by placing the measuring probes around the phase cables and plugging the outputs of the probes into the input channels of KES KES assumes an ideal situation with a sole and constant power factor defined by parameter for the whole three phase installation Moreover the three phase installation itself is supposed by KES to be either gt Balanced or gt Unbalanced and star connected with its central point referenced to the neutral wire which therefore makes KES 1xThree Phase particularly suitable for these types of systems or situations http www zennio com Technical Support http zennioenglish zendesk com 9
47. r http www zennio com Technical Support http zennioenglish zendesk com 43 Average Daily Cost 100 monetary units Obtained by multiplying 2 kWh by 50 monetary units and dividing this by the only hour of the previous day Weekly Peak Power 3 kW Average Weekly Energy Consumption 3 kWh Obtained by rounding to the nearest integer value the result of dividing the 5 kWh consumed during the previous week by the number of days of the week Average Weekly CO Emissions 1 25 This value comes from operating 50 kg 0 01 5 kWh 2 days Average Weekly Cost 125 monetary units 5 kWh were consumed at 50 monetary units per kWh which is then divided by the two days of the previous week 6 After some minutes since 5 set the internal clock to next Monday any time would be OK maintaining the 2000 W load Since the previous week contained only one day the objects Daily Energy Consumption and Weekly Energy Consumption must have the same value 2 kWh in this case Average Weekly Energy Consumption 2 kWh per day 2 kWh in total 1 day 2 kWh per day Average Weekly CO Emissions 1 kg per day 50 kg 0 01 2 kWh 1 day 1 Average Weekly Cost 100 monetary units per day 2 kWh 50 monetary units 1 day 100 m u Weekly Peak Power 2 kW 7 After some minutes since 6 set the internal clock to the first day of the next month maintaining the 2000 W load Monthly Energy Consumption 9 kWh
48. rgy Consumption Values 5 30 and O for section Estimated Cost Any other parameters enabled d Active Power screen values 5 30 and O for section Instantaneous Power Values 10 30 and O for section Hourly peak power Any other parameters enabled After downloading the parameters the internal time should be set to 9 00h am and the internal date to the first Monday of the current month 1 Connect for example a 2000 W load 30 seconds after the time set the Instantaneous Power object will be sent to the bus with a value of 2 kW Estimated Energy Consumption 48 kWh This ts calculated by multiplying 2 KW by 24 hours which indicates the estimated daily consumption assuming the current instant power as constant Estimated Cost 2400 monetary units This is obtained by multiplying 48 kWh by the parameterised 50 monetary units Hourly Peak Power 2 kW This is the highest value of the instant power detected till now since the time set http www zennio com Technical Support http zennioenglish zendesk com 41 2 After 5 minutes since 1 replace the 2000 W load with a 3000 W load and after a few seconds disconnect it letting the consumption be null The next Hourly Peak Power which is sent every 30 seconds will be 3 kW 3 After 5 minutes since 2 connect back the 2000 W load and set the internal clock at 10 00h am After the time change the object Last Hour Energy Consumption will be se
49. s are 5 255 seconds This minimum time between the two will only be taken into account if a value other than O is parameterised for fields Cycle time or Send on Value Change gt Cycle Time allows setting the period for sending the Instantaneous Power object in seconds 0 255 In other words every how much time these values will be sent to the KNX bus Note if the value specified here x is lower than the minimum time between sendings y the latter will prevail resulting in a sending taking place only every y seconds If O is parameterised for Cycle Time no periodic sending of the associated communication object will take place gt Send on Value Change allows setting a certain value so that whenever the difference between two consecutive measurements of the instantaneous power is found to be greater than that value a new sending of the corresponding communication object Instantaneous Power will happen If there is no need of this feature this field can be set to 0 Note fa value other than 0 is set for the fields Cycle Tme and Send on Value Change the Instantaneous Power object will also be sent to the KNX bus whenever the value 1 is received through the Global Request communication object d Peak Power Values This section allows the configuration of the sending of power peaks that is the highest instant power values d
50. se to the Request object d The Disable object allows enabling or disabling power measures according to the KNX standard 0 corresponds to disabling the measurement and 1 corresponds to enabling it When this measurement has been disabled the cyclical sending of the instant power is interrupted in case it had been previously parameterised and the consumption is considered zero from that moment Note that deactivating this measurement is not equivalent to simply not powering the device which would make it not aware of time passing but to measuring a null power consumption although time is still passing However in order to clarify this point reading ANNEX II Further Examples is encouraged specially Example Il http www zennio com Technical Support http zennioenglish zendesk com 17 On the other hand when the power measuring process is disabled some more sending is interrupted according to the table shown below A ees tt l Cyclic sending of instant power Sending of peak power Cyclic re sending of peak power Sending of effective consumptions Cyclic re sending of effective consumptions Cyclic sending of estimated consumptions Sending of average consumptions Time passed counts for average values Real consumption counts for calculations Table 1 Sending vs Activation Deactivation of Power Measures All the parameters from the Active Energy Active Power and Power Limi
51. sumed can be expressed in terms of consumption kWh of cost local currency or even in terms of the CO kgCO sent to the atmosphere for the production of such quantity of energy If both estimations and energy consumptions are set to be expressed in terms of cost KES allows specifying up to four different tariff values in cents of the local currency per kWh 2 3 POWER LIMITS KES can also monitor the level of the power consumption in relation to certain limits initially defined by parameter an upper limit and a lower limit linked to an overconsumption alarm and to a low consumption indicator respectively and to a certain margin hysteresis or deadband regarding each of the two limits Figure 6 shows an example of the process When the instant power is higher than the upper limit KES sends an overconsumption alarm if configured and this will not be deactivated until the instant power is back again under the upper limit minus the margin band If the value of the instant power keeps decreasing KES will send if configured a low consumption indicator as soon as the power is lower than the lower limit This indicator will remain active until the power is back again higher than the lower limit plus the margin band Low Low P Overconsumption Overconsumption Consumption Consumption Alarm ON Alarm OFF Alarm ON Alarm OFF Upper Limit Deadband Deadband Lowerlimit Figure 6 Power Limit Monitoring These concepts
52. t Monitoring screens as well as their configurable values will be detailed in the next pages 3 2 1 ACTIVE ENERGY This screen allows the configuration of several parameters related to the consumption of active energy section 2 2 These are shown grouped into sections as explained below d Estimated Values Permits the configuration of parameters related to the estimation of the active energy consumption expressed in kWh as well as the estimated cost in terms of the local currency This estimation of the active energy consumed is made by assuming that the instant power consumption at the moment of the estimation remains constant during the 24 hours of the current day See Example Il of ANNEX Il Further examples http www zennio com Technical Support http zennioenglish zendesk com 18 Zennio KES 3xSingle Phase lt lt GENERAL gt gt Active Energy Estimated Values Estimated Energy Consumption kwh Minimum Time between Sendings x1 sec NOTE Minimum Time between Sendings limits Cycle Time Cyclical Sending Cycle Time x1 sec 0 Disabled Send on Value Change x 21 kWh 0 Disabled Estimated Cost x0 01 local currency Minimum Time between Sendings x1 sec NOTE Minimum Time between Sendings limits Cycle Time Cyclical Sending Cycle Time x1 sec 0 Disabled Send on Value Change x 2 0 01 loc curr 0 Disabled Hourly Values Active Energy Fi
53. t is possible to configure several parameters related to monitoring the power consumption in relation to upper and lower limits section 2 3 Two different sections can be found one to configure the parameters of the upper limit and one to configure the parameters of the lower one http www zennio com Technical Support http zennioenglish zendesk com 24 Zenmie KES 3xSingle Phase lt lt GENERAL gt Power Limit Monitoring Power Limit Moritoring Upper Limit a Va 0 c _ E Send Object when under Limit Mo e VE No Hyst COS s 10 0 No Hysteresis S Lower Limit al Va 0 _ Send Object when over Limit Mo e VT No ge P s 10 0 No Hysteresis x Ce Figure 11 Power Limit Monitoring For the upper limit Upper Limit Initial Value x10 w D P When over Limit send Send Object when under Limit Mo e Ie TOW De No Hye e P s 10 0 No Hysteresis x e Initial Value allows setting in tens of watts the value that at least in the beginning the Energy Saver will assume as the upper limit while measuring the power If this is set to 0 KES will not monitor whether the power consumption exceeds or not a particular upper limit The value of the upper limit however can be modified in runtime through the Upper Limit communication object In the case of parameterising a value other than 0 for this field it will be as well necessary to configure the parameters described below which defin
54. t the end of the time unit immediately greater than the one used for defining the sending periods The following example illustrates this Example Ill Exactly at midnight the daily values corresponding to the previous day will always be calculated and sent in particular those daily values that had been enabled in ETS If a security sending of the last daily values has been parameterised for every four hours the hour counter will be reset at midnight That is why the first security sending of those values will happen at 4 00h am no matter if a parameter download and the consequent time set had taken place at 10 50h pm Example IV Exactly every Sunday at midnight Le in the exact moment the day changes to Monday the weekly values corresponding to the previous week will always be calculated and sent in particular those weekly values that have been enabled in ETS lf a security sending of the last weekly values has been parameterised for every four days the day counter will be reset during such week change This way the next secunty re sending will happen at the end of next Thursday that is four day changes after the values were calculated Considering that the number of days in a week 7 is not a multiple of 4 this behaviour allows that the security sending takes place on the same days every week in the example when switching from Thursday to Friday apart from the ordinary sending at the end of the Sunday instead of spread
55. t value DPT_Power 670760 670760 kW TR DPT_Trigger i 0 ow Consumption Indicator Ind gt Sending of 0 or 1 i 0 E LF 1 bit Data Entry 1 Binary Data Entry 0 1 LF 1 byte Data Entry 8 1 byte Data Entry 0 255 greng i im LF Function 5 RESULT 1 bit SES SH LF Function 1 RESULT 1 byte S a LF Function 5 RESULT 2 bytes 2 bytes Data Entry FUNCTION 5 Result FUNCTION 1 Result FUNCTION 5 Result 1 1 CTR DPT_Value_1 Ucount O 255 CTR DPT_Value_2 Ucount O 65535 http www zennio com Technical Support http zennioenglish zendesk com 48 Join and send us your inquiries about Zennio devices http zennioenglish zendesk com Zennio Avance y Tecnolog a S L C R o Jarama 132 Nave P 8 11 45007 Toledo Spain Tel 34 925 232 002 Fax 34 925 337 310 www zennio com PA Y C info zennio com KNX Zennto Passion for KNX innovation RoHS
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