MT Alliance Energy Node User Manual
Contents
1. 39 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 3 of 41 Energy Node User Manual 1 Preface 1 1 Scope of this Manual This manual is up to date for MT Alliance version 4 1 6 It is intended for integrators setting up controllers like they did for the entire MT Alliance system Prerequisites include knowledge of HVAC subsystems and of the basic tools in the MT Alliance system For example the technician must know how to use the MT Alliance software menus views toolbars etc and a Micro Thermo plug in as well as how to setup various items The MT Alliance Functional Specifications of the Loadshed Controller Manuals 44 GEN 0003 deal with these basic principles 1 2 Conventions used in this manual For your convenience several screen captures have been added to illustrate the procedures Certain images contain numbered balloons to help you locate the corresponding procedure more quickly Lastly some terms are in bold to emphasize certain important points 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 4 of 41 Energy Node User Manual 2 Various Modes of the Loadshed Controller The Energy Node is an addition to the standard supermarket control system In order to understand the principle of each possible configuration it is important to understand the movement of the loadshed modes The following diagram illustrates2. 10 SP DESCRIPTION OB PROCESSES r 13 3 4 1 Loadshed Methods and the Corresponding 13 3 4 2 OUO UT 14 3 4 3 Muli Leve 14 3 4 4 Vanos BREED aAa EET 16 CONFIGURATION OF THE ENERGY NODE PLUG IN oeeseeeeeeceeccccccccccececceceseccesececeessssssssssssso 17 4 BASICIPEUGSIN OPERACION e ae Garo Le edu Fi copre UU 17 4 1 OS TM M H 17 4 1 2 Applying or Cancellins Changes uio d ee e eed ERE We A ideis 17 4 1 3 Semen alb 18 P SSEM TAB oe oet Motte ies 18 4 2 1 M 18 4 2 2 OMIT me MI 19 4 2 3 Network 19 4 2 4 Node ipio 20 4 2 5 Tc 20 4 2 6 MSOC P 20 d BINPUESVJDABus oerte E ES 21 4 3 1 TPUS uode e A 21 4 3 2 Distal Inputs suni 23 4 3 3 Be IE ey ial aon men Core mente taney LO T 24 4 3 4 Distal Inputs 26 AA OUTPUTS TAB
3. gt gt Appendix Functional Profile Diagram Logical Outputs Loadshed Controller 5 lt nvoStatus 4 SNVT obj_status nvoAlarm SNVT_alarm nvoFileDir SNVT address nvoReset SNVT_ switch gt 5 lt 3 nviRtp SNVT_count_f 4 Object 1 RTP Control 5 lt nvoRtp SNVT_count_f gt nviKw1 SNVT Power f nviKw2 SNVT Power f nviKw3 SNVT Power f nviCurrentA SNVT amp f nviCurrentB SNVT amp f nviCurrentC SNVT amp f ba bd n d nd nd dd nviVoltage SNVT_volt_f 4 Object 2 Energy Control nvoKw1 SNVT power f nvoKw2 SNVT power_f nvoKw3 SNVT power f nvoCurrentA SNVT amp f nvoCurrentB SNVT amp f nvoCurrentC SNVT amp f I nvoVoltage volt f nvoSumKw SNVT power f nvoAvgCurrent SNVT amp f EJ 2 5 lt lt lt lt 2 lt 5 2 lt RON 723 ES 8 2 2 2 2 2 2 2 2 2 2 nvoCalculatedKw SNVT_power f SNVT switch nvi Cae Object 3 Loadshed Control nvoLoad1 SNVT_switch nvoLoad2 switch nvoLoad3 swi
4. and Model Transceiver TP FT 10 Channel Backbone m Node type Custom Node Manufacturer Micro Thermo Technologies E Model Energy LoadShed 2 X Conca Figure 4 Pick Node and Model 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 8 of 41 Energy Node User Manual Once the node representation has been dropped you must link it to the physical module 1 Click the node icon to open the Custom Node Information dialog box 2 Select the Details tab 3 Type a descriptive and unique name for the node in the Identification field and if you wish in the Notes field 4 Select the Commands Status tab 5 In the Installation group click the Install button 6 The Install Custom Node dialog box opens and prompts you to select the node s Service Pint Of 500 504 508 or 512 family The software takes a few minutes to load in the node O nce the software is loaded the window buttons are enabled 7 Click OK to close the window 0 Click to accept and save the changes Custom Node Information Energy Loadshed Details Alarms Lag Commands S tatus C Status Identification Energy Loadshed View name Subsystem Channel Manufacturer Model Firmware Version Hotes Cancel i Delete Figure 5 Custom Node Information 1 If the node is not accessible it is possible to type the neuron identification
5. sent to the loadshed node the digital output label is blue and a blue circle displays on the Outputs tab 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 29 of 41 4 5 4 5 1 Energy Node User Manual RTP Control Tab HTE ad Enap remi Cong Pie ni CAERE eee RIFF aik H3 1 7 IIT 4 Pos RTF ier LL Figure 20 RTP Control Tab IP Contig Module IP Address Address of the G ateway card MT 560 Router IP Address Communication Address of the Router Address Mask Allows the user to screen the various addresses coming from the Router DNS Address Same address as the router RTP IP Address FTP IEMO site Atomic Clock IP Address Internet Clock Port Number Be careful if there is a firewall keep this port number open RTP Zone Area of the file received from IEMO to process Load amp Reference Configuration Level Indicates the loadshed level Reference Mwh indicates the amount of MegaWattHour of load shedding Loads Indicates the representation of the load in question 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 30 of 41 Energy Node User Manual 46 Energy Override Tab Fire i Dome Lane i Lond Cong Pie ni Con ges n heo toate Load T Load il 1 1
6. 3 4 1 3 Operation of the generator method In most targeted sites a generator is present Thus we must take the loadshed into account when this generator is activated either because of a power failure or during the preventive maintenance of the generator A signal is sent ten 10 seconds before the activation of the generator nviTransfertStatus When the generator is activated its status is also available nviG enStatus The logical operation of these two signals is then read by the multi level comparator GEN input of the multi level comparator 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 13 of 41 Energy Node User Manual When the generator is selected by the loadshed strategy via the multi level comparator a soft start sequence should be expected This sequence will include eight 8 levels like RTP and Energy and a programmable delay should be expected between levels 3 4 1 4 Sending of a loadshed level by Web services method A loadshed command sent Web services can be received nviLdShedLevOvrd The loadshed level predetermined by the multi level comparator has priority over any other levels if applicable verride input of the multi level comparator 3 4 2 Outputs 3 4 2 1 Outputs of the multi level comparator Two types of output are available physical via relays for loadsheds that are not controlled by the MT Alliance system Relays 1 8 and logical nvoLoadX X 1 to 8 Outputs a
7. 4 er Shae raje na er rr Figure 11 System Tab 4 2 1 Details Identification allows the user to identify the node Notes allows the user to type an important note 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 18 of 41 Energy Node User Manual Change allows the user to change the plug in image Delete PlugIn allows the user to delete the plug in 4 2 2 Configurations A Configuration represents the settings required for a module s operation Name indicates the name of the current configuration If no configuration was saved lt Ad hoc gt is displayed PlugIn Status indicates the relationship between the stamp of the last plug in save Shown in parentheses and the stamp of the configuration If ConfigD PlugInD ateT ime Status is SY NCHRONIZED If ConfigD lt PlugInD ateTime Status is MODIFIED If ConfigD gt PlugInD ateT ime Status is OUT OF DATE An identical or slightly modified configuration can be useful in order to perform an installation on other controllers or on another site The configuration management options are described below Load opens a dialog box to select and load a configuration in a list of previously saved or imported configurations The list is empty if no configurations were saved or imported Import allows the user to transfer one or several configurations contained in a tex
8. 4 1 1 I i a l m m Figure 21 Energy Override Tab 4 6 1 Energy Override Energy Choice Communication mode of the SAM Meter Measure Allows the user to enable physical and software reading e SAM Pulse Allows the user to enable the Pulse communication of a SAM Meter SAM ModBus Allows the user to enable the ModBus communication of a SAM Meter 4 6 2 Load amp Reference Configuration Level Indicates the loadshed level Reference Kw indicates the amount of KiloWattHour of load shedding e Loads Indicates the representation of the load in question 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 31 of 41 Energy Node User Manual 4 7 Generator Tab Emap Be Lied d md Pie ni ng UA Tai or Ladi 1 2 0 a 4 d 0 D i E D EN n l Em J mi Figure 22 Generator Tab 4 7 1 Generator Config Gen Interstage Delay Represents the time between the various loadshed levels of the G enerator mode 4 7 2 Load amp Reference Configuration Level Indicates the loadshed level Loads Indicates the representation of the load in question 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 32 of 41 Energy Node User Manual 4 8 Loadsh
9. loadshed matrix on the next page To determine the power associated with a level you must define via the CPs an approximation of the power shed by each load If 20 kW correspond to load 1 when it is shed internal level 1 of the node and 30 kW correspond to load 2 internal level 3 of the node and 15 kW correspond to load 8 internal level 2 of the node then 65 kW will be shed for level 1 of the RTP input loads 1 2 and 8 and 45 kW will be shed for level 1 of the Energy input loads 2 and 8 The input chosen for loadshed will be the one that allows the most energy conservation at the time of the calculations In the previous example the level 1 of the RTP input will therefore be used allowing optimal energy conservation These descriptions apply to RTP Energy and GEN inputs In the case of a level received via Web services the Override input has priority over the other three inputs unless the calculated power from the generator is higher than the power from the Web services we must not under shed when the generator is operating A loadshed matrix can be constructed for each input in this manner Table 5 Example of a loadshed matrix Level Loads E mE sw 1 1 pne pen Ee ne sae a ee ae mm Ec uem mew pee pen pre 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 15 of 41 3 4 4 Energy Node User Manual Various Considera
10. method Override input of the multi level comparator 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 14 of 41 Energy Node User Manual The GEN Override and Energy inputs are usually taken into consideration during the determination of the required loadshed The input will only be taken into consideration if necessary according to the location of site for example in Ontario The loadshed level does not necessarily correspond to the loads to shed Level 1 of loadshed prescribed by the RTP input for example could correspond to loads 1 2 and 8 Level 2 could correspond to loads 2 4 and 5 and so forth Level 1 of loadshed prescribed by the Energy input could correspond to loads 2 and 8 only and level 1 prescribed by the GEN input the only possible level for this input could correspond to loads 5 6 7 and 8 Therefore in a given level the loads to shed may not be the same for each input RTP Energy GEN and Override We must also take into consideration the internal loadshed level of each node that makes up the loadshed solution because this level is different from the level calculated by the loadshed node For example there are usually three 3 internal loadshed levels in each node however this number can reach eight 8 in certain nodes for example the lighting node Therefore in addition to the node to shed we must specify the internal level of this node See the example of
11. on the network Watt nviK w3 Node Standby micum Tod ovenide command Switch ee Status the Transfer switch of the generator coming from another node Switch ith Status of the generator coming from another node 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 37 of 41 Energy Node User Manual 5 2 Network Variable Output List nvo Alliance Type LNS Type Description Variable Name M Measure Command energy node energy node Value of instantaneous power at the Power float power f energy node Standby Standby Standby mouent Sandby M Total value of accumulated power by Standby oA vg Cum vich Power power io Toubakwlvdu Representative value of active Count Unsigned nvoCountstage State of Transfer switch nvoTransfertStat Certo sie nvoK w3 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 38 of 41 6 Figure 27 Functional Profile Diagram LoadShed Stage 1 LoadShed Stage 2 Physical Outputs ag YO Logical Inputs 2 1 nviRequest SNVT_obj_request 2 nv2 nviTimeSet SNVT time stamp LoadShed Stage 3 v LoadShed Stage 4 gt LoadShed Stage 5 LoadShed Stage 6 LoadShed Stage 7 LoadShed Stage 8 og og 4g 2g gt gt NO gt
12. sensor by generating an update with the new value Set Offset sometimes the offset of the sensor is known after its manufacturing so the installer can just type it to calibrate the sensor After several iterations the difference between the value of calibration and the value of the sensor is so small that the sensor is considered calibrated Click the OK button to exit the calibration of the sensor and return to the Inputs tab 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 22 of 41 Energy Node User Manual Sensar L11 Kw Calshratian 5 Set Calbration Velum Set abcr Calibration V sius he Ew CINES STE TS Ra aoo w X Cancel Figure 13 Calibration e Sensor Value the value read by the sensor Calibration Value the measured value of calibration e Offset the known value of calibration 4 3 2 Digital Inputs Settings D igital Inputs D I1 n where n varies according to the Node Type setting in the System tab Any digital input can be configured as a switch sensor by selecting the corresponding switch sensor or can stay unconfigured by selecting None in the Digital input box Remember that each digital input is designed to normalize the connections to theses sensors as shown in the table Invert when this box is checked the switch s position is logically inverted the sensor will consider it as if it was physically in the other position This inversi
13. the check sequence of the various modes of the loadshed controller TransfertSw SNVT switch Figure 1 Checking the various modes of the loadshed controller 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 5 of 41 Energy Node User Manual 2 1 Energy Node Process The primary goal of an Energy Node is to load shed energy in the stores while making sure that food is preserved at the right temperature and while providing the required lighting that will highlight the different products and give the customers the feeling of prime quality lighting Moreover it is possible to conserve the energy needed for room temperature and anti fog in the various refrigerated cases To do so let s follow the order of the different loadshed matrices of the Energy Node 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 6 of 41 Energy Node User Manual 3 Setting Up Using MT Alliance After making the electrical connection for the supply and network connectors you must 1 Install the Energy module logically Load the application program Make the network variable software connections Set up the node and transmit these configuration settings to it Set the various set points Su owes ds 3 4 Adding the Energy Node View In order to drop the node the plug in and the various measure and command points connected to the Energy Node we need to add a view for each part that uses an Energy module 1
14. the switch in which the alarm will be generated 4 3 4 1 Alarm Relay This drop down list allows the user to select the alarm node output that will be enabled when an alarm is triggered You can select one or no output by selecting None if you don t want the alarms to be sent to your central Figure 17 Alarm Relay 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 26 of 41 Energy Node User Manual 4 4 Outputs Tab ee Licata t wi lt 02 ima lige pg Lrg Figure 18 Outputs Tab 4 4 1 Outputs Settings The Outputs Tab allows users to configure completely the digital outputs DO to display the current state of the configured outputs and to override them for a determined period 4 4 1 1 Digital Output Relay The user can choose any of the available digital outputs and assign it one of the following digital output sources DO 1 Load1 or lt None gt DO 2 Load2 or lt None gt DO 3 Load3 or lt None gt DO 4 Load4 or lt None gt DO 5 Load5 or None DO 6 Load6 or None DO 7 Load 7 or None DO 8 Load8 or None 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 27 of 41 Energy Node User Manual Note The digital and analog outputs of the loadshed node plug in obey the rule according to which a stage with a higher index is not available for confi
15. the various energy node loadshed strategies 4 2 6 Local settings e Load 1 to 8 allows the user to associate name to the various loads 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 20 of 41 Energy Node User Manual 43 Inputs Tab The following figure shows the Inputs tab as it appears when it is time to configure the three inputs Figure 12 Inputs tab 4 3 1 Analog Inputs Settings Analog Inputs U1 to any analog input can be configured as an analog sensor by selecting the corresponding sensor or can remain unconfigured by selecting None in the Analog Inputs box Certain inputs correspond to an input network variable on the node of the Energy Node as shown in the following table Ui Kw If one of these network variables is connected to another node LNS connection exists the corresponding input appears already configured the word bound displays after the description and several fields in this line are disabled In this case the subcooling node uses the updates received by the input network variable instead of reading the local sensor e Manufacturer once the user has selected a sensor for a specific input the list of manufacturers displays the names of all the sensor manufacturers who produce a model compatible with the analog input 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 21 of 41 4 3 1 1 Energy Node User Manual Model once the
16. 21 4 4 1 OHPDULS S CLUITID E E P T EAE E E E TE T 27 45 ARP CONTRO TAB y E E E E R 30 4 5 1 UC ON NER E T 30 4 5 2 Reference Conistra Oi Riu 30 ENERGY OVERRIDE T AB uude dpi borea ecu depone Pu pied eu a Ee EM 3T 4 6 1 ECG oy M A Baud m 31 4 6 2 Load amp Reference SU 31 4 7 GENERATOR TAB pua 32 4 7 1 OF 22 4 7 2 Load Reference Conti rurano eon e Mr tul 32 ACS JIOADSHEDCONEIG dass ceret oor pr e Mea bebo operto bri et te 33 4 8 1 Dy CHING rm 33 4 8 2 tability 33 4 6 3 Load CODD 33 Bd PROCESS TAB cH mr 34 4 9 1 ENERGY STA PUS acest cnet a Mte ent ciae 34 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 2 of 41 Energy Node User Manual 4 9 2 Eoad kame OY ee Ee ETD 34 METIS TORN UAB tet a ion 35 36 5 NETFWORK VARIABLE LIS oder EE heec rev YE Ier ere ee 37 5 NETWORK VARIABLE INPUT IST CNV 37 5 2 NETWORK VARIABLE OUTPUT LIST NYO 38 6 APPENDIX FUNCTIONAL PROFILE
17. Energy Node User Manual MICRO THERMO TECHNOLOGIES MT Alliance Energy Node User Manual Document No 71 GEN 0133 R1 0 MTA V5 0 No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Micro Thermo Inc a division of UTC Canada Corporation 1997 2005 Micro Thermo Technologies a division of UTC Canada Corporation All rights reserved worldwide i Micro Thermo Inc 2584 Le Corbusier Laval QC Canada H7S 2K8 Phone 450 668 3033 Fax 450 668 2695 Toll Free in Canada 1 888 664 1406 Toll free in the USA 1 888 920 6284 1 Energy Node User Manual TABLE OF CONTENTS PREFACE nadie reo 4 1 1 SCOPE OFTHIS A 4 12 CONVENTIONS USED IN THIS MANUAL 554 eit 4 VARIOUS MODES OF THE LOADSHED CONTRO LLER cccssssssssssssssssssssssssssssssssees 5 JBNBRGYSNODE PROCESS R 6 SETTING UP USING NIT ALLETANCB 5 eee setae 7 3 1 ADDING THE ENERGY NODE VIEW ccccccssccsecccecccnececesccucceseceeseeucsesesesseeneseseseesecseseseseeeseeneeuees 7 3 27 ADDING THE ENERGY EOADSHED NODE Epid esi 8 S99 NETWORK VARIABLE CONNECTIONS
18. Gen Status File Name This diagram shows the various input and output variables by node object and the physical inputs and outputs used by the Loadshed program 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 39 of 41 Energy Node User Manual Example of a loadshed configuration 2 Energy Node L1 Cool 10kw 12 20kw L1 Cool 10kw 12 Cool 40kw Load 1 RTP Oui Energy Oui Light 1 Light 2 Light 3 Load 2 L1 v 10kw Gen Oui L1 vvv 30kw L1 v 10kw L2 20kw L3 v 30kw L L4 ww 40kw L5 Coo 50kw a zones 3 zones Load 5 48 Load 3 Load4 Ref SPC Setpt shift 3 psig 20 min 20 kw 20 kw 20 kw Anti Sweat Output 30 96 O min 30 kw e e Note Other Load Other Load No Echelon No Echelon 3 Load 3 Load i y 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Figure 28 Loadshed Configuration Page 40 of 41 Energy Node User Manual Revision History REV Description Revised by Document translation from 71 GEN 0131 R0 5 13 Jun 05 13 Jun 05 1 0 Official Release 13 Jun 05 71 GEN 0133 R1 0 MT All
19. In Configure menu select Loadshed to access the various available views 2 In the Subsystems drop down list select Energy Select Loadshed and click the Insert After button Figure 2 Configure Views 3 In the View Name field type the view name e g Energy 4 Click OK to finish 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 7 of 41 Energy Node User Manual Add New View Energy for Energy View Name Energy Can Zoom 4 Change Image w Edit Image Visibility Always visible Maintenance and Configuration C Configuration only x Alliance mages Views Blankl mage bmp Figure 3 Add New View 3 2 Adding the Energy Loadshed Node 1 In the Subsystem menu select the Energy subsystem In the Mode menu select Configuration When entering this mode a Components toolbox appears in the bottom right corner of the window It contains all the items that can be placed in the view Select the view created at the 3 1 step e g Energy Drag and drop a Node type icon from the toolbox into the view Once the icon has been dropped the Pick Node Type and Model window opens to allow you to define the node In the Manufacturer and Model drop down lists select the specific node to install Click the OK button to finish or Cancel to clear the node Note an icon can be moved using the left mouse button and holding the Ctrl key of your keyboard Pick Node
20. Kw 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 34 of 41 Energy Node User Manual 4 10 History Tab i7 7 r m r P Figure 25 History Tab Note The user can select the desired NV but the NV Count Stage must be enabled at all times 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 35 of 41 Energy Node User Manual 4 11 Log Tab Changes made with the plug in are recorded in the log as you can see in the example below For each change the log records the date and time the name of the user who logged in and the description of the change eee 1 teni mui eT Mamk toe i bhi tenn TE E My cd Laer Ebo eli Ces Peu 17 Labo aed Cord E mage Sie ener cr HT Fini Lina F himii ehe nr iin Praed oen Bla Supper of ib Sioned Vania cf Tien h Lacus Por Lais Caen Se iiem 1 oki Em mail cuni 71 racine nig Eod ET td mg 73 Cabe sg dr c Load zog dns Pari oak asd Coord Ste See Worry CP Lade diac Ep ah ution prp 77 E aid aad T Siope Mirra Fano noue ie Ee 1 speed cf Ese 2 Cosa Para Fe 7 Top orgy cf Fe T edi Cuban Licenced E e presi Monge cr L maie Curio Pr 7 rack bani Lodi 8 ETT wee wji
21. Network Variable Lo enerator activation state nvoT switch D2 G enerator secondary nvoG enstatus activation state switch 4 3 3 Analog Inputs Alarms This group allows the user to set the alarm settings and to determine at a glance the alarm state of any configured input For example U1 s alarm is enabled U2 s alarm is enabled and triggered and U3 s alarm is disabled If an input is in an alarm state a red square displays on the Inputs tab and is visible anywhere in the plug in If no alarms are enabled and at least one input has an alarm notice temporarily or permanently disabled a blue circle displays on the Inputs tab Alarms Analog Figure 14 Alarms Analog Inputs Alarms Ux Alarms allows the user to configure the alarm settings for the analog input sensor where x represents the input number 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 24 of 41 Energy Node User Manual ie ans ium lusti iorum er uro Higi irar Figure 15 Alarms Settings Enable Alarm allows the user to permanently enable disable the alarm notice for the selected input e Disable Alarm Temporarily this option is available only if the alarm notice is enabled permanently When this option is checked the user can temporarily disable the alarm notice of the selected input for a specified period Once the period is
22. al a change without extensive knowledge of the network and setting signification can lead to a degradation of the network performance In order to change these settings a Super Technician must open the session The descriptions below refer to the Network Settings section of the System tab shown on page 18 Figure 14 Receive Heartbeat if the module doesn t receive an update for an input network variable it considers that the message sender is absent from the network consequently it is desirable for security purposes to choose a default value on the process level Min Send Time this setting is used to reduce network traffic caused by network variables that are changed too frequently It is the minimum period between two transmissions of one variable Max Send Time if a network variable does not change during this period the controller will send an update of the value to prevent the other nodes from considering the variable as out and using default values Restore Defaults allows the user to restore the default values T here is a relation that must be respected between the Max Send Time of the sending node and the Receive Heart Beat of the receiving node namely Max Send Time Receive Heart Beat 3 4 2 4 Node Configuration Node Type allows the user to identify the type of module to be used MT 504 MT 508 and MT 512 are available 4 2 5 Loadshed Config Active Objects allows the user to select
23. clicks Apply or OK to confirm that they wish to keep the changes made the software transmits to the node only the settings that have been modified since the last loading of the settings 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 17 of 41 Energy Node User Manual Tad DF Figure 10 Option Bar 4 1 3 Sending all CPs This is an additional security measure The Send All CPs box force sends all configuration settings to the node rather than the usual procedure where only modified settings are sent As usual settings are sent when you click Apply or OK We recommend checking this box if you are unsure about the synchronisation of the node and the plug in 4 2 System Tab The System tab shown below groups the settings that allow the user to choose the configuration which is closest to the Energy Node loadshed process Hip 4 1 impede AL Landa Lege rome p P 3 Dg ak z Heap kiaii lania vod d Hl ee Change Page TE kina Vm Jans Congr aria i gu lr i uadi 85 etra pee Hesi fees Memm hiri Sac 7 ee Load UE ae i
24. ed Config Tab Hip F401 AL Landa a Cin Bimel eur n Pean rria pam 11666 16 1 LUE s Figure 23 Loadshed Config Tab 4 8 1 Override Priority If the Corporative override is selected it will supersede the Local override conversely if the Local override is selected it will supersede the Corporative override e Level Indicates the desired loadshed level in Override mode 4 8 2 Load Stability e Stability Determines minimum time between loadshed mode transfers 4 8 3 Load amp Reference Configuration Level Indicates the loadshed level Loads Indicates the representation of the load in question 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 33 of 41 Energy Node User Manual 4 9 Process Tab The Process tab illustrated below allows the user to view the process It includes important visual indications and many hyperlinks that refer to different plug in functions Hip V4 1 Leeched elim Figure 24 Process Tab 4 9 1 ENERGY STATUS Mode Indicates the loadshed mode in operation Indicates the loadshed level Loadshed Indicates the maximum value of energy for load shedding 4 9 2 Load Status Load x Indicates the representation of the load in question Level Indicates the loadshed level Kw Indicates that MaxLoadshed value is in
25. es ri iore inno a Lead un Load ig rora oF Loaded Ll cr Lead dC mi Tani 71 oadebed Lacs di f Lied T eii Cade enm onec Los JI Manis cf Lead Z adii Curiam Puri 1 27 hoir LoT 73 Load 1 Figure 26 Log Tab To view the log the user can select a time period or different types of modifications change or event type The user can also add an entry to the log A report can be generated and printed for tracking purposes 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 36 of 41 Energy Node User Manual 5 Network Variable List Since the RTP module is equipped with a plug in that includes a process view there are few measure points to configure on the interface Here is the list of input and output network variables for this software to help remind you of the connection choices available with other modules 5 1 Network Variable Input List nvi Alliance Type LNS Type Description Variable Name M Measure Command Count float count f Price per Mwh coming from another nviRt Energy Node P Instantaneous power coming from Power float power f another node on the network Watt nvik wl Node Instantaneous power coming from Power float power f another node on the network Watt nviK w2 Node Instantaneous power coming from Power float power f another node
26. ethod 3 4 1 Loadshed Methods and the Corresponding Inputs 3 4 1 1 Reading of the energy rate method This method determines the required loadshed level by reading the rate via an Internet service that provides these rates free service at www IEMO com for the province of Ontario RTP The rate that was read is then compared to a range of predetermined rates CPs which determines the required loadshed level RTP input of the multi level comparator If this method is not used the G ateway card may not be present on the MT 508 card 3 4 1 2 Heading of the instantaneous power method T here are three 3 methods for determining the consumed energy In the first method an energy reading is taken on one two or three inputs nviKW1 nviKW2 nviKW3 via a reading module of the WattNode type or other and the sum is calculated In the second method a reading of the currents and the voltage is taken in strategic places nviCurrentA nviCurrentB nviCurrentC nviVoltage and is then calculated The choice between these two modes will be made with a CP In the third method the energy reading is taken by decoding powers via a SAM Stand Alone Meter The values are either available via a SAM pulse output or via a SAM RS 485 output Modbus The calculated or measured consumed energy is then compared to a range of predetermined power values CPs which determines the required loadshed level Energy input of the multi level comparator
27. expired the alarm notice status indicates ENABLED Disable Alarm Permanently indicates the time at which the period will end High Limit and Low Limit all sensor values inside these limits will be considered normal and will not generate an alarm Set Time if a sensor is not in an alarm state but its value is outside the interval delimited by the high and low limits settings an alarm will be generated once this period is expired Recall Time once the sensor alarm is acknowledged if its value remains outside the interval delimited by the high and low limits settings a new alarm will be triggered Priority Level indicates the alarm priority High high alarm priority Requires immediate attention Medium intermediate priority alarm Low low priority alarm Notice no relays will be enabled on the alarm node even when specified in the loadshed plug in 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 25 of 41 Energy Node User Manual 4 3 4 Digital Inputs Alarms Ux Alarms allows the user to configure the alarm settings for the digital input sensor where x represents the input number Serra 017 leaner Sel lis Posts l Figure 16 Digital Inputs Alarm Settings e The difference between digital and analog inputs alarm settings is the absence of Low Limit and High Limit settings they are replaced by the Position On A larm setting e Position On A larm the position of
28. guration if all other stages with a lower index are not configured Note It is impossible to implement stage 2 before stage 1 Status State of the digital output once the loadshed node has received the configuration settings the output states are presented as follows Yellow the output is ON enabled Grey the output is O FF disabled Any digital output can be overridden for a determined period the relay s state will be determined by the override command value not by the loadshed strategy 4 4 1 2 Override Specifies the mode and the value of the override command Override 001 RTU Dwerride DD1 ATU Correr Faces On Poaza LH Lin Command Override Force On Override x Cancel Figure 19 Override Command Command No override Automatic the digital output is controlled by the strategy no override command Force On the digital output is overridden to ON enabled for the specified period Force Off the digital output is overridden to OFF disabled for the specified period e Until indicates the date at which an override command is active At indicates the time at which an override command is active Once the period has elapsed the override command is automatically deleted and the corresponding PID controls the output again If an override command is used 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 28 of 41 Energy Node User Manual
29. iance Energy Node User Manual doc Page 41 of 41
30. nection already exists and it is read only Back 42 Connect x Cancel Figure 8 Service Type 14 Click Connect to establish the connection 15 Repeat the procedure for all the connections to be made 16 Once all the connections have been made select Close Connection Select the type of the connection Connect output to one input Connect ane output to many inputs Connect many outputs to one input p Close Figure 9 Closing the connections system 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 12 of 41 Energy Node User Manual 3 4 Description of Processes The process takes into consideration several settings for the loadshed control e The reading of the energy rate method e The direct or calculated reading of the instantaneous power method e The operation of the generator method e The sending of aloadshed level by Web services method The loadshed method is usually chosen according to the methods set up in the system and must allow for the most energy conservation based on saved costs On a site it is possible to use only the direct reading of the instantaneous power method when the reading of the energy rate method is not available in Quebec for example The operation of the generator method will always be considered in the determination of the loadshed if a generator is on the site as well as the sending of a loadshed level by Web services m
31. number manually as explained in the Node Installation manual 7 GEN 0081 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 9 of 41 Energy Node User Manual 3 3 Network Variable Connections The Energy module can interact with several other nodes the suction pressure controller the condenser controller the MT 500 sensor nodes and an RTU node or other of the HVAC system Several network variables must be connected to bind the module with the desired loads The necessary connections or bindings are shown in the table below Loadshed Node RTU Node Outputs NV Source Inputs NV Destination E nergy Loadshed Load 1 e g RTU nviRtuLdShedReq E nergy Loadshed Load 2 e g Anti Sweat nviLdShedReq E nergy Loadshed Load 3 e g Light nviLoadShed E nergy Loadshed Load 4 e g SPC nviSpcEcEnd Energy Loaished NvoL oa EnengyLoadshed NvoL oa Energy Loadshed NvoLoad7 If necessary EnergyLoadshed The procedure below allows you to make the connections 1 Select Network Connections in the Network Menu 2 The Network Variable Connections window opens to configure these connections 3 Click the Connect button 4 The Connection Type window opens to specify the type of connection 5 Select Connect one output to one input because in this context all the connections to be defined are usually one on one 6 Click Next 7 In the Node drop down list of the Connect From box
32. on affects the alarm logic the output network variable containing the sensor value and all the internal calculations based on this sensor value Status indicates the current position of the switch The status can be affected by the Invert setting Any digital input can reflect the status of the switch or be forced to represent a specified value The Bypass M ode Bypass Until and A t settings define if a bypass is active and the period during which it is active After this period the bypass mode is automatically disabled and the digital input reflects the status of its sensor A bypass is shown in blue in the background of the D Ix label and on the tab if no alarms are active Warning If a greater value of calibration or offset is necessary it is probably caused by a sensor sensor cable or node problem This must be corrected to avoid entering a value that is too high 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 23 of 41 Energy Node User Manual Bypass M ode Any digital input can reflect the status of the switch or be overridden to represent a specified value e Auto the position of the switch is the value of the digital input digital input is overridden to ON enabled Off the digital input is overridden to OFF disabled Bypass U ntil specifies the date until which the bypass is in effect A t specifies the hour until which the bypass is in effect D input Sensor si Network
33. re determined by the required loadshed level which is calculated by the multi level comparator 3 4 2 2 Status Outputs Measure Points Outputs that indicate the current loadshed mode nvoMode the total of the loads shed nvoT otalLoad and the total of kilowatts shed WLoadSheded are available An output that indicates the value calculated by the RTP component is available Outputs that indicate the calculated values of the current nvoAvgCurrent the voltage nvoV oltage the power nvoCalculatedK W and if applicable the sum of the measured power nvoSumK W are available The reading of the input current taken nvoCurrentA nvoCurrentB et nvoCurrentC are available as well as the values of the instantaneous input power taken nvoK W1 nvoKW2 and nvoK W3 Also the reading taken by the SAM is available via nvoSA MO utput if applicable Finally outputs that indicate the generator status nvoTransfertStatus and nvoG enStatus are available 3 4 3 Multi Level Comparator As described in the inputs section there are four 4 types of loadshed e The reading of the energy rate method RTP input of the multi level comparator e The direct or calculated reading of the instantaneous power method Energy input of the multi level comparator e The operation of the generator method GEN input of the multi level comparator e The sending of loadshed level by Web services
34. select the node of the given module Energy Loadshed 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 10 of 41 Energy Node User Manual Connect From Connect From HUB Variable Node Energy Loadshed Variable j View Log Back Next Ec x Cancel Figure 6 Connect From 8 Select the desired variable e g nvoLoad1 in the Variables drop down list 9 Click Next 10 The window that opens Figure 7 allows you to choose the input variable to which you wish to connect the previously selected variable nvoLoad1 Choose the node of the desired load in this case R TU in the drop down list Connecting Energy Loadshed nvoLoad1 with Connect Ta TARGET Variable mL o Made Variables EE e 95 View Log Back Next x Cancel Figure 7 Connecting with 11 Then select the relevant variable nviRtuLdShedReq in the list 12 Click Add The variable is moved to the Target List section 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 11 of 41 Energy Node User Manual 13 Click Next to open the Service Type window Service Type Choose the service type used in the connection You are not allowed to change the connection service type because the output network variable belongs to node controlled bu MT Alliance it may be involved in an other connection or this con
35. t file created with the Export command to the list of configurations available on the site If a configuration with the same name already exists the user can overwrite the existing version Save As Opens a dialog box to save the current configuration and insert it in the site s current configuration list It is possible to create a new configuration or to overwrite an existing configuration by giving it the same name Export allows the user to transfer one or several configurations contained in the list of saved configurations to a text file The possibility to export and import configurations allows the user to transfer configurations from one site to another Since the text file is rather small it is possible to copy the file on a floppy disk or to send it via modem or e mail to another site Report generates on screen a complete report of the active configuration The report can be redirected to a Windows defined printer We recommend that you print a configuration report and keep it with the rest of the cooling system documentation Delete opens a dialog box allowing the user to delete configurations included in the configuration list 4 2 3 Network Settings T his group displays several settings that determine the Energy Node module s performance as a component of the LonWorks network These values are read only shaded fields since 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 19 of 41 Energy Node User Manu
36. tch 4 SNVT_switch nvoLoad5 SNVT switch nvoLoad6 SNVT switch voLoad7 SNVT switch EJ 5 E lt lt lt lt lt lt lt C bbbabdbhdbhdhdbad nvoLoad8 SNVT switch Wow Kw wow www nvoKwLoadsheded kilo SNVT_count gt bahd bud nvoCountStage SNVT_count ym SNVT Switch EOD nviGenStatus Object 4 Generator Control nv42 nvoTransfertStatus SNVT switch MT 508 Universal Inputs U1 Energy reading 1 U2 Energy reading 2 U3 Energy reading 3 U4 Current on Phase A U5 Current on Phase B U6 Current on Phase U7 Voltage for one Phase U8 Digital Inputs D1 Generator transfer switch Status D2 Generator Status D3 DA Digital Outputs DO1 LoadShed Stage 1 DO2 LoadShed Stage 2 DO3 LoadShed Stage 3 004 LoadShed Stage 4 DO5 LoadShed Stage 5 006 LoadShed Stage 6 LoadShed Stage 7 008 LoadShed Stage 8 Analog Outputs AO1 4 Energy Node User Manual 2 2 43 I nvoGenStatus SNVT_switch gt nv41 SNVT_Switch D2 D3 D4 Title LoadShed Controller 5 Source Jean Francois Boivin Physical Inputs Date 10 11 04 Page 1 of CurrentA CurrentB CurrentC Transfert GenStatus
37. te exceptions to regular situations B Red indicates that one or several connections are missing Aqua indicates that a variable has been overridden yellow diamond indicates that a configuration is incomplete To help the technician locate the exception status the colour symbol is added to the given tab 4 1 2 Applying or Cancelling Changes When changes are made in the plug in the Apply button is enabled In this case here are the operations you can perform Apply when clicking this button a confirmation dialog box appears If you accept to apply the changes the plug in saves the values adds them to the system log and attempts to send them to the node Once the operation is completed the Apply button becomes greyed out and the plug in remains open However if the technician doesn t agree to save the changes by clicking No in the confirmation dialog box the save operation will be cancelled and no action will be taken It is critical to make sure that all settings have been transmitted to the node without any error messages otherwise the node might not work properly OK this button launches the same sequence as Apply except that the plug in closes when completed Cancel when this button is clicked a confirmation dialog box appears asking the user if they want to cancel their changes Select Yes to cancel all changes and close the plug in Click No to return to the previous screen Normally when the technician
38. tions In Canada two 2 markets are available one in Ontario www IEMO com and another in Alberta www AESO ca The solution must be available in the Ontario markets The Ontario energy Web site www IEMO com doesn t take into account the Eastern Daylight Saving Time when generating its files During this period files are therefore generated with a one hour delay We must consider this when calculating the file parameters Current and voltage physical inputs the variables are provisional which means they will not be used during Phase I of the project The same thing holds true for power physical inputs Only the use of a WattNode type module will be allowed or of photo coupled inputs 71 GEN 0133 R1 0 MT Alliance Energy Node User Manual doc Page 16 of 41 Energy Node User Manual 4 Configuration of the Energy Node Plug In The Energy Node plug in allows the user to Configure the energy loadshed control process Load the configuration settings in the node Monitor the control process Perform several other operations related to the node operation The plug in icon is visible in all modes Overview Maintenance and Configuration 4 1 Basic Plug In Operation 4 1 1 Statuses T he plug in is designed for a quick overview of the operation of the Energy Node loadshed system To enable a quick analysis of the system status it uses geometric shapes with different colours to indicate the statuses As a general rule they indica
39. user has selected a sensor and a manufacturer for a specific input the list of models displays all the sensor models compatible with the analog input Diagram when this button is clicked the user accesses a diagram showing the selected sensor and its electric connections Value once the user has selected a sensor for a specific input and the node has received all the configuration settings the current value of the sensor displays in this field SndDelta the Energy Node does not send the value of the sensor to the network to its corresponding output network variable if the difference between this value and the one that was last sent to the network is not greater than the SndDelta variable This setting is designed to control network traffic It is not designed to disturb other nodes receiving updates from this network variable through a connection to the Energy Node Calibration To correct an error between the actual value and the value read by the sensor the installer can calibrate the sensor by changing its offset Calibration is an iterative process during which the installer must read the value of the sensor compare it with a standard value and if they are different take one of the following steps Set Calibration Value the user types the actual value and clicks the Apply button The plug in calculates the offset between this value and the value of the sensor and sends it to the Energy Node The node corrects the offset of the
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