PT-NTL-10 Datasheet
Contents
1. Network output variable nvoWinWatts is the total power in Watts measured in a 15 minute sliding window The value is recalculated every 30 seconds Network output variable nvoPkWnWatt is the peak sliding window value in Watts recorded since the last time the peak was cleared by overriding Object 1 The peak value is stored in nonvolatile memory and is retained dur ing power outages Network output variable nvoPhAWatts is the instantaneous power in Watts for Phase A of the power system Valid for 3 phase wye 1 phase 3 wire and 1 phase 2 wire power systems Not valid for 3 phase delta power systems Network output variable nvoPhBWatts is the instantaneous power in Watts for Phase B of the power system Valid for 3 phase wye 1 phase 3 wire power systems Not valid for 3 phase delta or 1 phase 2 wire power systems Network output variable nvoPhCWatts is the instantaneous power in Watts for Phase C of the power system Valid for 3 phase wye power systems Not valid for 3 phase delta 1 phase 3 wire or 1 phase 2 wire power systems Network output variable nvoPeakClrT is a time stamp of when the last sliding window peak value was cleared by overriding Object 1 Only valid if time and date had been set to valid values through nviTimeSet prior to the clear ing This time stamp is stored in nonvolatile memory and is retained during power outages Network output variable nvoPeakLogT is a time stamp of when the peak sliding wi2. OBJECT 6 THE POWER FACTOR MEASUREMENT OBJECT PowerTrak 9000 PF Measurement Object Object 6 Type 20006 nvoTotPF SNVT_pwr_fact_f nvoPhAPF SNVT_pwr_fact_f nvoPhBPF SNVT_pwr_fact_f nvoPhCPF SNVT_pwr_fact_f Mandatory NVs Network output variable nvoTotPF is the total power factor for the power system It is calculated as total watts divided by total volt amps Network output variable nvoPhAPF is the power factor for Phase A of the power system It is calcu lated as Phase A watts divided by Phase A volt amps Valid for 3 phase wye 1 phase 3 wire and 1 phase 2 wire systems Not valid for 3 phase delta systems Network output variable nvoPhBPF is the power factor for Phase B of the power system It is calcu lated as Phase B watts divided by Phase B volt amps Valid for 3 phase wye 1 phase 3 wire sys tems Not valid for 3 phase delta or 1 phase 2 wire systems Network output variable nvoPhCPF is the power factor for Phase C of the power system It is calcu lated as Phase C watts divided by Phase C volt amps Valid for 3 phase wye systems Not valid for 3 phase delta 1 phase 3 wire or 1 phase 2 wire systems OBJECT 7 PT SETTINGS OBJECT Network output variable nvoPTSettings is a special User defined Network Variable Type UNVT_PTSettings It contains structures which indicate the PT9000 s dipswitch rotary switch CT polarity and V I match settings Its use is strictly optional Sinc
3. this is just L1 to N PowerTrak 9000 Volts Measurement Object Object 3 Type 20003 nvoAvgVolts SNVT_volts_f nvoL1 Volts SNVT_volt_f nvoL2Volts SNVT_volt_f nvoL3Volts SNVT_volt_f Mandatory NVs Network output variable nvoL1 Volts is the value of Optional NVs either L1 to L2 volts 3 phase delta system or L1 to N volts 3 phase wye 1 phase 3 wire 1 phase 2 wire systems Network output variable nvoL2Volts is the value of either L2 to L3 volts 3 phase delta system or L2 to N volts 3 phase wye or 1 phase 3 wire systems Not valid for a 1 phase 2 wire system nv4 Network output variable nvoL3Volts is the value of either L3 to L1 volts 3 phase delta system or L3 to N volts 3 phase wye system Not valid for 1 phase 3 wire or 1 phase 2 wire systems KELE www kele com FAX 901 372 2531 8 USA 901 937 4900 International 901 382 6084 OBJECT 4 THE AMPS MEASUREMENT OBJECT PowerTrak 9000 Amps Measurement Object Object 4 Type 20004 nvoAvgAmps SNVT_amp_f nvoPhAAmps SNVT_amp_f nvoPhBAmps SNVT_amp_f nvoPhCAmps mvt SNVT amp f Mandatory NVs Optional NVs Network output variable nvoAvgAmps is the aver age value of the power system current in amps To get total amps for a 3 phase system multiply average amps times 3 To get total amps for a 1 phase 3 wire system multiply average amps times 2 Network output variable nvoPhAAmp
4. November 1999 LonWorks Communication Kele Module for PT 9000 SOLUTIONS lt MODEL PT NTL 10 Q7ecnnologies DESCRIPTION A Kele Company The PT NTL 10 is the LonWorks Communication Module for the PowerTrak PT 9000 Power Monitoring Interface The PT NTL 10 reads data from the PT 9000 s main processor formats it and transmits the data to a LonWorks network using the LonTalk communications protocol The PT NTL 10 allows all of the power system parameters measured by the PowerTrak to be moni tored over a single pair of wires using the LonWorks FTT 10 Free Topology Transceiver In addition the PT 9000 configuration switches CT polarity and volt age current phasing settings can be monitored Because the PT NTL 10 is designed to meet LonMark Interoperability Guidelines multiple PowerTraks can be connected with other LonWorks devices on the same network FEATURES Monitor all PowerTrak parameters over a single pair of wires Allows remote reset with time stamp ha of KWH and Peak KW parameters f smi i Be FTT 10 transceiver Standard Network Variable Types SNVT O PT NTL 10 are used to meet LonMark Interoperability Guidelines Pluggable field wiring screw terminals Status LED indication Factory or field installation to any PT 9000 SPECIFICATIONS WIRING Power supply None required powered by PT 9000 Ribbon PT 9000 Cable Series Network LonWorks FTT 10 transceiver Fiel
5. age paired with B amps unsigned aamps_match 2 2 bit code shows which voltage paired with A amps vimatch UNVT_PTSettings network output UNVT_PTSettings nvoPTSettings simplified variable declaration network output polled sd_string 7 1 PTSettings UNVT_PTSettings bind_info unackd nvoPTSettings full variable declaration from actual PT NTL 10 neuron C code KELE www kele com FAX 901 372 2531 1 1 USA 901 937 4900 International 901 382 6084 APPENDIX A CONTINUED For all dipswitch settings a bit field 1 indicates the switch is ON The meanings of the different switches are explained in the PT 9000 data sheet and on the labels on the inside of the PT 9000 door For the rotary switch settings 3 bit code indicates switch position 001 decimal 1 120 144V 010 decimal 2 190 277V 011 decimal 3 346 415V 100 decimal 4 440 480V 101 decimal 5 600V For V I matching 2 bit code indicates which voltage is paired with this particular current input 00 decimal 0 L3 paired with this current 01 decimal 1 L2 paired with this current 11 decimal 3 L1 paired with this current KELE www kele com FAX 901 372 2531 1 2 USA 901 937 4900 International 901 382 6084
6. d wiring Pluggable screw terminals Pian Dimensions 4 5 H x 2 6 W x 1 7 D Service Button 11 4cm x 6 6cm x 4 3cm O Seica LED Operating temperature 32 to 122 F 0 50 C ee ok Humidity 0 95 noncondensing MODULE Weight 0 7 Ib 0 32 kg FT 10 NWK Approvals UL Listed file E161500 Not Polarity Certified to LonMark Interoperability Guidelines Version 3 1 Status To LonWorks LED FT 10 Network KELE www kele com FAX 901 372 2531 1 USA 901 937 4900 International 901 382 6084 INSTALLATION OF THE PT NTL MODULE 1 0 If the PT NTL option was ordered with the PT 9000 it will be pre installed at Kele If the PT NTL is to be field installed follow these steps The main processor firmware must be at least Revision 1 3 for use with the PT NTL option If the label on your main processor large 40 pin IC chip in middle of PT 9000 upper board shows a revision level less than 1 3 contact Kele and we will send you an updated processor Ground yourself before removing the PT NTL module from its anti static bag Both the PT NTL and the Echelon FTT 10 control module which mounts on top of the PT NTL are static sensitive Unplug the Echelon FTT 10 control module from the top of the PT NTL board See diagram below Lower the PT NTL board over the two standoffs on the lower right corner of the PT 9000 sub base Orient board so that the ribbon cable is on the upper left corner Install the two 6 32 screws to secure th
7. e PT NTL board to the standoffs Plug the Echelon FTT 10 control module back onto the top of the PT NTL board Be careful to line up the connector pins correctly Turn off the PT 9000 power using the System Voltage Select Switch Plug the ribbon cable header from the PT NTL into the Network Option socket on the PT 9000 main processor board Turn the PT 9000 power back on Connect the LonWorks network twisted pair to the 2 screw terminal block on the lower right corner of the PT NTL board Information on LonWorks network wiring topologies terminating resistors wire types etc can be found in Echelon Corporation publications such as the User s Guide for the FTT 10 Free Topology Transceiver This completes installation of the PT NTL LonWorks Module ECHELON FTT 10 CONTROL MODULE PLUGS INTO PT NTL 10 BASE J RIBBON CABLE PLUGS INTO NETWORK OPTION SOCKET ON PT 9000 UPPER BOARD STATUS PT NTL 10 LED BASE BOARD A SERVICE BUTTON i fj AND LED i ff EXISTING STANDOFF NETWORK lt CONNECTION LA pT 2000 BASE P KELE www kele com FAX 901 372 2531 2 USA 901 937 4900 International 901 382 6084 CONFIGURING THE PT NTL LONWORKS MODULE ON THE NETWORK Upon initial power up the PT NTL red service LED will blink indicating that it is unconfigured A third party network management software program running on a personal computer is required to configure the PT NTL and other LonWorks nod
8. e it is not an industry standard SNVT custom programming may have to be done at the receiving node to properly decode the information See Appendix A for a description of the UNVT_PT Settings data structure The User Defined Resource Files on the 3 5 diskette also contain formatting information about the special UNVT_PTSettings variable type These files may be used by some network manager soft ware packages to automatically decode and display nvoPTSettings without the need for any custom programming nvoPT Settings does not propagate automatically when nciMaxDatSendT is nonzero This is because switch settings rarely change once the unit has been properly configured nvoPTSettings may be polled at any time as needed Power Trak 9000 PT Settings Object Object 7 Type 20007 nvoPTSettings UNVT_PTSettings KELE www kele com FAX 901 372 2531 USA 901 937 4900 International 901 382 6084 APPENDIX A Decoding PT 9000 switch settings and power configuration through the structures in the network output variable nvoPTSettings The data structures in nvoPTSettings contain information about the PT 9000 dipswitch settings rotary voltage switch settings CT polarities V I matching and whether the PT 9000 was manually or automatically power system configured Because this information does not fit into any industry standard SNVT a User defined Network Variable Type UNVT called UNVT_PTSettings was created nv
9. een Status LED on the PT NTL will blink off once every five seconds This indicates that the PT NTL is requesting and receiving data from the PT 9000 The red service LED will be off if the PT NTL has been configured To verify communication over the network you should be able to query any of the PT NTL network variables through the network management software tool You can also use the network management software to cause the PT NTL to Wink Issuing a Wink command from the network management software tool will cause the PT NTL green Status LED to blink five times per second for five seconds If the PT NTL green Status LED is not blinking off once every five seconds verify that the PT NTL has been properly installed by checking for loose or improper connections at the ribbon cable and the network terminal strip KELE www kele com FAX 901 372 2531 3 USA 901 937 4900 International 901 382 6084 VERIFY OPERATION CONTINUED If the PT NTL green Status LED is blinking off once every five seconds but you are unable to communicate over the network verify that the PT NTL has been properly installed on the network according to the installation process described in the network management software documentation Also verify there are no breaks in the network wiring between the PT NTL and the network management software tool and that the network is properly terminated PT NTL 10 INTERFACE OVERVIEW The PT NTL 10 is Lo
10. es The computer running the network management software may be removed from the system after the network is configured or may remain for continuous monitoring of network variables and network status The PT NTL LonWorks Module can be configured on the network in three ways 1 If the network management software supports identification by Service Pin the PT NTL Service pushbutton can be pushed when the network management software requests it This causes an identification message to be sent out on the network which will be picked up by the network management software 2 The PT NTL s Neuron chip ID number can be entered manually into the network control console when requested by the network management software The Neuron chip ID number is written on the Echelon FTT 10 control module in the format XX XX XX XX XX XX 3 If the network management software is capable of finding unconfigured nodes automatically the Wink command can be sent to the ID of each unconfigured node Then the nodes can be physically checked to see which node corresponds to which address When the PT NTL receives a Wink command it blinks its Status LED rapidly 5 times per second for 5 seconds CLEARING NETWORK CONFIGURATION ON PT NTL SETTING UNCONFIGURED STATE If the network configuration in the PT NTL ever needs to be cleared put the PT NTL in the Unconfigured State this can be accomplished by holding the Service button down while powering up the unit a
11. ince they do not have override modes 2 RQ_UPDATE_STATUS value 2 Requests the status of the object specified in the object ID field If sent to Object 0 the status response contains the status bits of all the node objects OR ed together All objects support the status bit unable_to_measure which will be set if the PT NTL is unable to get data from the main processor This should only occur if the main processor is doing an auto configure which is typically done only during PT 9000 installation When data is again available from the main processor the unable_to_measure bit in all object statuses will be reset Objects 1 and 2 support the status bit in_override This bit will be set when the object receives a RQ_OVER RIDE command This bit will be reset when the object is removed from override with a RQ_ NORMAL command 3 RQ_REPORT_MASK value 5 Requests the object to report which status bits it supports All objects support the unable to measure status bit Objects 1 and 2 support the in_override status bit If sent to Object 0 report has each status bit set which is supported by any object in the node both unable_to_measure and in_override bits will be set KELE www kele com FAX 901 372 2531 5 USA 901 937 4900 International 901 382 6084 OBJECT 0 THE NODE OBJECT CONTINUED 4 RQ_OVERRIDE value 6 If sent to Object 1 the Power Measurement Object clears
12. nMark certified to LonMark Interoperability Guidelines version 3 1 The PT NTL 10 interface is composed of a Node Object plus seven additional objects as shown below The following sections discuss each of the LonMark objects and the network variables associated with them Interface Overview Pe KELE www kele com FAX 901 372 2531 4 USA 901 937 4900 International 901 382 6084 OBJECT 0 THE NODE OBJECT PowerTrak 9000 Node Object Object 0 Type 0 nviRequest nvoStatus SNVT_obj_request SNVT_obj_status Mandatory NVs nv3 nviTimeSet Optional NVs SNVT_time_stamp Optional Config Xr nciMaxStsSendT SNVT_elapsed_time Properties Manufacturer Specific NVs nciMaxDatSendT SNVT_elapsed_time nvoPTTime SNVT_time_stamp Network input variable nviRequest allows the user to request information from or change the state of different objects in the node The nviRequest contains an object ID field that specifies which object receives the request The following request types are supported 1 RQ_NORMAL value 0 If sent to Object 1 the Power Measurement Object removes the object from the Override Mode explained below If sent to Object 2 the Energy Measurement Object removes the object from the Override Mode explained below If sent to Object 0 the Node Object removes both Object 1 and Object 2 from the Override Mode Has no effect if sent to any other objects s
13. nd continuing to hold the Service button down for at least 7 seconds After releasing the Service button the red Service LED should begin to flash to show that the PT NTL has been reset to the Unconfigured State EXTERNAL INTERFACE XIF FILE Each PT NTL unit comes with a 3 5 diskette containing documentation about the PT NTL 10 s network variables and internal hardware configuration The diskette contains the following AAXIF_40 PTNTL102 XIF Version 4 0 of External Interface File A XIF_31 PTNTL102 XIF Version 3 1 of External Interface File A ResFiles PTNTL102 TYP User Resource Type File A ResFiles PTNTL102 FPT User Resource Functional Profile Template File A ResFiles PTNTL102 FMT User Resource Format File A ResFiles PTNTL102 ENU User Resource US English Language File A UserMan PTNTL102 DOC Microsoft Word version of this user s manual Most network management software will accept an XIF file when building the node s database Version 4 0 of the XIF file is preferred by the LonMaker network management software Other third party network management software may prefer the 3 1 version of the XIF file The XIF file is a plain text file If ever in doubt as to which version is being used you may view the file with any text editor program and look at the version number in the first line header VERIFY OPERATION After proper physical installation of the PT NTL and configuration on the network the gr
14. ndow value occurred Only valid if time and date had been set to valid values through nviTimeSet prior to the logging This time stamp is stored in nonvolatile memory and is retained during power outages KELE www kele com FAX 901 372 2531 7 USA 901 937 4900 International 901 382 6084 OBJECT 2 THE ENERGY MEASUREMENT OBJECT Power Trak 9000 Energy Measurement Object Object 2 Type 20002 nvoWattHr SNVT_elec_whr_f Mandatory NVs Optional NVs nvoWattHrClrT SNVT_time_stamp Network output variable nvoWattHr is the total watt hours of energy consumed since the last time the count was cleared by overriding Object 2 The watt hour count is stored in nonvolatile memory and is preserved across power outages Network output variable nvoWattHrClrT is a time stamp of when the watt hours counter was last cleared Only valid if time and date had been set to valid values through nviTimeSet prior to the clearing This time stamp is stored in nonvolatile memory and is preserved across power outages OBJECT 3 THE VOLTS MEASUREMENT OBJECT Network output variable nvoAvgVolts is the average value of all active line voltages on the power system For a 3 phase delta this is the average of the three line to line voltages For a 3 phase wye this is the average of the three line to neutral voltages Fora 1 phase 2 wire system this is the average of L1 to N and L2 to N For a 1 phase 2 wire system
15. oPTSettings was then assigned the data type UNVT_PT Settings The layout of UNVT_PTSettings is given below typedef struct struct dipswitch A top dipswitch settings unsigned systype 2 power system type select 2 top switches unsigned lowvolts 6 low voltage threshold for alarm contacts 6 bottom switches dipswa struct dipswitch B middle dipswitch settings unsigned kwhpp 2 KWH per pulse on pulse output top 2 switches unsigned ma2outsel 9 mA output 2 function select middle 3 switches unsigned matoutsel 3 mA output 1 function select bottom 3 switches dipswb struct dipswitch C bottom dipsw and rotary switch settings unsigned rotswcode 3 3 bit code shows rotary switch position unsigned ctratcode 5 CT ratio select all 5 switches on dipswitch C dipswc struct shows polarity for each current transformer unsigned ct_c_pol mae C current transformer polarity 0 normal 1 reverse unsigned ct_b_pol le B current transformer polarity 0 normal 1 reverse unsigned ct_a_pol ot A current transformer polarity 0 normal 1 reverse unsigned auto_man 1 0 manual config 1 auto config unsigned notused 4 ctpolarity struct shows which input voltages are paired with which currents unsigned notused 2 unsigned camps_match 2 2 bit code shows which voltage paired with C amps unsigned bamps_match 2 2 bit code shows which volt
16. owers up its internal time and date values are zeroed until new values are set using the nviTimeSet input variable the PT NTL does not maintain time and date across power outages For best accuracy the PT NTL s internal time should be updated using nviTimeSet at least once per day Due to crystal error and software uncertainties the time could drift several minutes per day if uncorrected Network configuration variable nciMaxStsSendT allows the PT NTL to automatically send out status updates at regular time intervals if so desired If nciMaxStsSendT is nonzero the status of each object within the PT NTL is sent out round robin fashion at the interval specified in nciMaxStsSendT If nciMaxStsSendT is zero status is only sent out in response to nviRequest commands Network configuration variable nciMaxDatSendT allows the PT NTL to automatically propagate all measurement values at regular time intervals if so desired If nciMaxDatSendT is nonzero all measurement output variables except nvoPTTime are sent out at the specified time interval If nciMaxDatSendT is zero measurements are never sent out automatically but they may be polled as desired by another node The minimum nonzero time supported by nciMaxDatSendT is 5 seconds If nciMaxDatSendT is set to a nonzero value less than 5 seconds the PT NTL will automatically convert it to 5 seconds The PT NTL acquires new measurement values from the PT 9000 main processor every 5 seconds regardle
17. s is the Phase A amps for the power system Valid for all power sys tem configurations Network output variable nvoPhBAmps is the Phase B amps for the power system Valid for 3 phase and 1 phase 3 wire systems Not valid for 1 phase 2 wire systems Network output variable nvoPhCAmps is the Phase C amps for the power system Valid for 3 phase power systems Not valid for 1 phase 3 wire or 1 phase 2 wire systems OBJECT 5 THE VA APPARENT POWER MEASUREMENT OBJECT PowerTrak 9000 VA Measurement Object Object 5 Type 20005 nvoTotVA SNVT_power_f nvoPhAVA SNVT_power_f nvoPhBVA SNVT_power_f nvoPhCVA nva SNVT_power_f Mandatory NVs Optional NVs Network output variable nvoTotVA is the total volt amps apparent power for the power system Network output variable nvoPhAVA is the volt amps for Phase A of the power system Valid for 3 phase wye 1 phase 3 wire and 1 phase 2 wire power systems Not valid for 3 phase delta systems Network output variable nvoPhBVA is the volt amps for Phase B of the power system Valid for 3 phase wye and 1 phase 3 wire systems Not valid for 3 phase delta and 1 phase 2 wire systems Network output variable nvoPhCVA is the volt amps for Phase C of the power system Valid for 3 phase wye systems Not valid for 3 phase delta 1 phase 3 wire or 1 phase 2 wire systems KELE www kele com FAX 901 372 2531 USA 901 937 4900 International 901 382 6084
18. ss of the value of nciMaxDatSendT so polling the measurement variables will always return current values even if nciMaxDatSendT has been set to zero or a very large value Network output variable nvoPTTime will output the current time and date as maintained by the PT NTL Because of poor long term accuracy and the fact that the time and date are lost during a power outage the PT NTL s time and date should not be used to set the time on other nodes The main use of nvoPTTime is to verify that the PT NTL s time and date are valid Unlike other measurement output variables nvoPTTime is not propagated when nciMaxDatSendT causes automatic sending of measurements This is because it is not needed on a regular basis by any other node KELE www kele com FAX 901 372 2531 6 USA 901 937 4900 International 901 382 6084 OBJECT 1 THE POWER MEASUREMENT OBJECT PowerTrak 9000 Power Measurement Object Object 1 Type 20001 nvoTotWatts SNVT_power_f nvoWinWatts SNVT_power_f Mandatory NVs Optional NVs nv2 MA1 E nvoPkWnWatt nv3 SNVT_power_f nvoPhAWatts 4 SNVT_power_f nvoPhBWatts SNVT_power_f MY S nvoPhCWatts SNVT_power_f nvoPeakClirT SNVT_time_stamp nvoPeakLogT gt ne SNVT ae Network output variable nvoTotWatts is the total power in Watts measured by the PT 9000 The indicated value is the instantaneous power averaged over the last 7 8 seconds
19. the Peak Sliding Window Watts value which is kept in nonvolatile memory If sent to Object 2 the Energy Measurement Object clears the WattHours count which is kept in nonvolatile memory If sent to Object 0 clears both of the above values If sent to any other object an invalid_request response is returned After a value is cleared using RQ_OVERRIDE the value begins to update again in normal fashion even though the object is still technically in override Clearing the override state using RQ_NORMAL is strictly optional Network output variable nvoSiatus returns the information requested by nviRequest The status response will indicate the status of the object that received the request The following status fields are supported by the PT NTL 1 invalid_id 3 unable_to_measure 2 invalid_request 4 in_override One nvoStatus response will be returned for each nviRequest The configuration variable nciMaxStsSendT can also be used to automatically send out status updates periodically explained further below Network input variable nviTimeSet is used to set the internal time of day and date The PT NTL uses its internal time and date to time stamp certain events clearing watt hour counter clearing peak demand logging new peak demand If the user does not care to use time stamping in his application the time and date can be ignored and need not be set No functions other than time stamping use the time and date Whenever the PT NTL p
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