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COMMUNICATING WITH POWER PATROL METER

There are a few things to determine before starting to communicate with your Power Patrol meter. Are
you using BACnet or Modbus as your communication protocol? Will you use your own logger/controller
to record measurements, or will you use the HeadStart software supplied with the meter to read real-
time values? Is the data delivered over an RS-485 adapter or via the Ethernet? These determinations
figure into how you set up the Power Patrol meter for operation.



BACnet vs. Modbus

Set the network address switches on the meter to either Modbus or BACnet



Customer-supplied logger vs. HeadStart

Communication configuration must be set up in the HeadStart software even if you use a
separate logger to record data



RS-485 vs. Ethernet

The type of connection is part of the configuration set up in the HeadStart software



Laptop/PC for setup verification via USB

A convenient method for setup before going in the field, and once in the field, to easily read
real-time values

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Содержание Power Patrol

Страница 1: ...Operator s Guide Power Patrol Power Meter Includes Power Patrol and HeadStart 1 0 Software June 2 2014...

Страница 2: ...ii Setra Systems Inc 159 Swanson Rd Boxborough MA 01719 USA Phone 978 263 1400 Fax 978 264 0292 www setra com...

Страница 3: ...Adapter 15 Installing the RS 485 Adapter to a Computer 16 Connecting via an Ethernet Cable 17 Powering the Power PatrolMeter 17 Power Patrol Single Phase Connections 17 COM Communications LED 18 Powe...

Страница 4: ...ime Values to Verify Setup 39 Read Write Registers Read Set Objects 40 Resetting BACnet Objects Modbus Registers 41 Sync Registers 41 Firmware 42 SECTION IV ALL THINGS MODBUS 43 Modbus Data Scaling In...

Страница 5: ...B Connecting to a Network 75 Communication Protocol 75 Daisy Chain Layout for RS 485 Network 75 Networking Using the BACnet Modbus Protocol 75 Appendix C Digital I O Functions 76 Digital Pulse Output...

Страница 6: ...ypically used for long term monitoring of electrical systems Up to 127 Power Patrol meters may be connected to a single BACnet client for monitoring and recording power usage at multiple locations wit...

Страница 7: ...o not use other CTs Only use shunted CTs with a 333mV maximum output only Serious shock hazard and logger damage can occur if unshunted CTs are used The UL listing covers the use of the following Setr...

Страница 8: ...maintain the date and clock settings during power failure and has a life expectancy of greater than 10 years Contact Setra Systems for service No accessories are approved for use with the Power Patrol...

Страница 9: ...n est pas destin peut annuler ses moyens de protection Symboles des Equipements Signifie prudence Voir le manuel pour une description de la signification En faisant la connexion du Power Patrol une p...

Страница 10: ...n IEC 536 Classe II Entretien Il n y a aucun entretien requis avec le Power Patrol Respectez les points suivants Nettoyage Aucun agents de nettoyage y compris l eau doit tre utilis sur le Power Patrol...

Страница 11: ...nt Power Factor dPF All parameters for each phase and for system total Accuracy Meter 0 2 0 1 typical ANSI C12 20 2010 Class 0 2 Resolution 0 01 Amp 0 1 Volt 0 01 watt 0 01 VAR 0 01 VA 0 01 Power Fact...

Страница 12: ...ws 8 Pro Vista 32 or 64 bit XP Communications Port One USB port or serial port Hard Drive 50 MB minimum available Processor Pentium Class 1 GHz or more recommended Safety Serial Ethernet Meters The fo...

Страница 13: ...Patrol Meter High voltage MAY BE PRESENT Risk of electric shock Life threatening voltages may be present Qualified personnel only Haute tension peut tre pr sente Risque de choc lectrique Tensions dang...

Страница 14: ...connectors onto the Power Patrol connections labeled CT 1 CT 2 and CT 3 3 Place the CTs on the phase wires of the load to be monitored and corresponding to the phase of the voltage leads The CT label...

Страница 15: ...re CONNECTING VIA A USB CABLE Connect one end of USB cable into the Power Patrol and the other end into your computer To begin communicating via an USB cable you must first set it up with HeadStart So...

Страница 16: ...er and the other end into a USB port on the computer 2 Insert the CD that came with the RS 485 adapter into your computer 3 The Found New Hardware Wizard window appears The window states This wizard h...

Страница 17: ...g this installation Figure II 3 Voltage leads into circuit breaker The Power Patrol meter is self powered from the L1 and L2 lines When 80 600VAC or DC is placed across the L1 and L2 wires the three p...

Страница 18: ...ead to Neutral and White N voltage lead to neutral CT1 would monitor the L1 load CT3 can be used if the Blue L3 voltage lead is connected to L1 CT3 could then monitor any L1 branch circuit System Valu...

Страница 19: ...ower Patrol meter uses three bi color Phase Verification LEDs to check each phase These LEDs provide the following information All LEDs are green the system power factor is greater than 0 55 and the C...

Страница 20: ...1 until all LEDs are green The system power factor is less than 0 55 but the CTs are connected properly indicating a light load CT 2 and CT 3 are reversed Switch the position of the CTs flashing red C...

Страница 21: ...n example wiring diagram for a four wire WYE More wiring diagrams are available in the appendix Figure II 4 Four wire Wye Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for...

Страница 22: ...a the Ethernet These determinations figure into how you set up the Power Patrol meter for operation BACnet vs Modbus Set the network address switches on the meter to either Modbus or BACnet Customer s...

Страница 23: ...xadecimal and set on the Power Patrol by Upper switch select 6 Lower switch select 4 In some cases the hex value may need to be converted to decimal when entered into the RTU or data logger See the Ap...

Страница 24: ...rs check readings and verify correct setup HeadStart is compatible with Windows 7 32 or 64 bit Windows 8 Pro Vista 32 or 64 bit or XP Order flash drive with HeadStart software or download installer fr...

Страница 25: ...er 4 Select the PC COM Port from the drop down list 5 Click Connect Status box will show a connected status Default settings are used for the two remaining fields Data Bits is 8N1 and the Baud Rate is...

Страница 26: ...ernet connection of the meter or select one of the previously used addresses from the drop down list See About IP Addresses or Use the Scan Network or Setup buttons to acquire a new IP Address See Abo...

Страница 27: ...ter automatically select Use DHCP This may avoid the need of a network administrator as the router will assign an IP address that does not conflict with any other devices on the network A disadvantage...

Страница 28: ...nd Gateway Address fields automatically NOTE Each meter connected to the network requires its own unique network IP address An address is provided automatically if the network allows DHCP Dynamic Host...

Страница 29: ...nformation Establishing Communication Protocol The Power Patrol meter communicates using the BACnet MS TP or Modbus RTU protocols via the RS 485 Ethernet interfaces To establish communication with a R...

Страница 30: ...lick on any tab to display that screen Communications provides the setup parameters that enable HeadStart to communicate with the Power Patrol Meter Setup enables current transformer CT type and amper...

Страница 31: ...o gather information via HeadStart software 2 Enter the PC COM Port connected to the Power Patrol or Select one of the previously used addresses from the drop down list 3 Click Connect to connect Head...

Страница 32: ...odbus PC COM Port section for entering port information Enter a Base Address of the meter on the upper and lower address switches Available Modbus addresses range from 01 hex 01 to 247 hex F7 max The...

Страница 33: ...gather information via a network connection When selected the Communications Setup screen changes and an IP Address is required 2 Select Modbus or BACnet as your communication protocol 3 Enter the IP...

Страница 34: ...atrol A checkbox is available to make the port the default Different networks may require different ports See your network administrator 10 Click Connect to connect HeadStart with the Power Patrol The...

Страница 35: ...serial Power Patrol No RS 485 option available in the PC COM Port drop down list indicates the Power Patrol is not properly connected or the required software driver is not installed Modbus Base Addre...

Страница 36: ...or the recording of values and a Line Frequency of 50 60 is selectable NOTE In Power Patrol meters Peak Demand is calculated using a moving window and is averaged across the selected demand window siz...

Страница 37: ...o CT1 also apply to CT2 and CT3 Wye Wiring Connection A DELTA connection displays only the two available CTs Any changes made to CT1 also apply to CT3 Delta Wiring Connection 2 Depending on the wiring...

Страница 38: ...or more information Comms Setup The Comms Setup screen shows current communication protocol BACnet or Modbus as well as RS 485 settings Data bits Baud Rate BACnet Device Settings DeviceID Max Master M...

Страница 39: ...ected to the Power Patrol and the CT Value Click Update to retrieve the values from the Power Patrol or Select the Auto Update checkbox to automatically update approximately every 20 seconds USING REA...

Страница 40: ...registers and their descriptions or Click List to select a register from the Register Picker dialog box Use the Register Picker dialog box to search for registers objects by name The selected value i...

Страница 41: ...current value 1234 0 To reset all Modbus accumulated registers at once Write to register 44066 Clear Accumulated Measurements current value 1234 In HeadStart accumulating registers can be reset using...

Страница 42: ...pendix Firmware 2 Click Show Version to see which version of firmware is currently loaded in meter If a later version of firmware is available download it from the www setra com powerpatrol 3 Click Br...

Страница 43: ...Rh kVA kVAh Power Factor Amps Volts 0 00001 00001 00001 01 01 1 1 001 001 001 01 1 1 2 01 01 01 01 1 1 3 1 1 1 01 1 1 4 1 1 1 01 1 1 5 10 10 10 01 1 1 6 100 100 100 01 1 1 Table D 1 Data Scalars and V...

Страница 44: ...atts Watts x 3 system watts 48 000 watts x 3 144 000 watts 144kW Check the register s value using the data scalar 2 value of 01 System kW scalar value register value 144kW 01 14 400 Since 14 400 is le...

Страница 45: ...968 Add the LSW 851968 5013 856981 Multiply by the scalar 3 value of 0 1 856981 X 0 1 85698 1 kWh CONFIGURATION REGISTERS Modbus Offset Register Description 40129 0128 Synchronize Register Multiple Po...

Страница 46: ...l Fractional part of NV_CT1 50125 10124 CT1 Type Select 1 mV or 2 Rogowski CT1s 50199 10198 CT1 Phase Shift Phase Shift X 100 50200 10199 CT2 Integer Integer part of CT2 50201 10200 CT2 Decimal Fracti...

Страница 47: ...Average Power kW for most recent demand window 44006 4005 kW System Max System Maximum Instantaneous kW Highest kW sample measured 44007 4006 kW System Min System Minimum Instantaneous kW Lowest kW s...

Страница 48: ...vidual Phase to Phase Voltages 44020 4019 Volts L2 to L3 44021 4020 Volts L1 to L3 44022 4021 Line Frequency Line Frequency Hz 44023 4022 kWh L1 LSW Individual Phase True Energy LSW kWh 44024 4023 kWh...

Страница 49: ...W kVAh 44043 4042 kVAh L2 LSW 44044 4043 kVAh L2 MSW 44045 4044 kVAh L3 LSW 44046 4045 kVAh L3 MSW 44047 4046 kVA L1 Individual Phase Apparent Powers kVA 44048 4047 kVA L2 44049 4048 kVA L3 44050 4049...

Страница 50: ...nimum Demand kW 44082 4081 kVA Demand System Max System Maximum Instantaneous kVA Demand kVA resettable It displays the default value after a CAM until 1 demand window elapses After a power cycle or C...

Страница 51: ...resettable 46007 6006 Positive kW System Min System Net Lowest Instantaneous Positive Draw Since Reset kW resettable 46008 6007 Positive kVARh System LSW System Net Positive Reactive Energy LSW kVARh...

Страница 52: ...lts Line to Neutral Avg Average of the system line to neutral voltages 46019 6018 Volts L1 to L2 Individual phase to phase voltages 46020 6019 Volts L2 to L3 46021 6020 Volts L3 to L1 46022 6021 Measu...

Страница 53: ...3 Positive kVARh L2 LSW 46035 6034 Positive kVARh L2 MSW 46036 6035 Positive kVARh L3 LSW 46037 6036 Positive kVARh L3 MSW 46038 6037 Positive kVAR L1 Individual Phase Positive Instantaneous Reactive...

Страница 54: ...s register will contain that value else it will be zero 46054 6053 Positive Apparent PF L2 46055 6054 Positive Apparent PF L3 46056 6055 Amps L1 Individual Phase Instantaneous Currents A 46057 6056 Am...

Страница 55: ...able 47002 7001 Negative kWh System MSW System Negative True Energy MSW kWh resettable 47003 7002 Negative kW System System Negative Instantaneous Negative True Power kW net sum of all individual kWs...

Страница 56: ...47015 7014 Negative Apparent PF System System Negative Apparent Power Factor aPF Register is 100x actual value If the System aPF 44015 is Negative this register will contain that value else it will b...

Страница 57: ...eous Negative True Powers kW 47030 7029 Negative kW L2 47031 7030 Negative kW L3 47032 7031 Negative kVARh L1 LSW Individual Phase Negative Reactive Energy LSW kVARh resettable 47033 7032 Negative kVA...

Страница 58: ...the Individual dPF 44050 is Negative this register will contain that value else it will be zero 47051 7050 Negative Displacement PF L2 47052 7051 Negative Displacement PF L3 47053 7052 Negative Appar...

Страница 59: ...ceReset_L M seconds 3600 seconds Hr resettable 47081 7080 kW Demand System Minimum Min Average power window kW 47082 7081 kVA Demand System Maximum Maximum Instantaneous kVA Demand kW resettable 47083...

Страница 60: ...Power Patrol This must be different for each Power Patrol on a single Modbus network The register s high order and low order bits are the 16 bit value of a single or first register to be accessed for...

Страница 61: ...o read low order bits 01 CRC low order bits 70 CRC low order bits 41 CRC high order bits 40 CRC high order bits 9F Table D 5 Format for Modbus Command 03 Command 3703000C0001419F Response 370302000070...

Страница 62: ...e that offset 0 corresponds to Modbus register 40001 The CRC is 5C8C All values are hexadecimal Example Request Field Name Command Hex Response Field Name Response Hex Power Patrol address 37 Power Pa...

Страница 63: ...Name Response Hex Power Patrol address 37 Power Patrol address 37 Command number 11 Command number 11 CRC low order bits D7 Byte count CRC high order bits 8C Slave ID Run indicator status Additional d...

Страница 64: ...Window Demand window size in minutes default is 15 min 12050 Volts Multiplier Multiply volts values by this scalar For use with stepdown transformer Affects all parameters that use volts 12061 CT1 Amp...

Страница 65: ...ns pulses on off 0 No pulses Port may be used as an on off open closed switch 44001 System kWh pulses 44008 System kVARh pulses 44011 System kVAh pulses 13110 Port 1 pulse output relay type 0 normally...

Страница 66: ...Instantaneous Draw Since Reset kW resettable 1160 kW L1 Individual Phase True Power kW Signed 1190 kW L2 1220 kW L3 2000 kWh System Total System True Energy kWh Unsigned Absolute 3000 Volts Line to Li...

Страница 67: ...ow resettable Displays the default value after a CAM or reset or power cycle Updates every min thereafter True demand value takes a demand period to get to actual value Unsigned Absolute 6010 kVARh Sy...

Страница 68: ...rs PF 9180 Apparent PF L2 9210 Apparent PF L3 10000 Measured Line Frequency Line Frequency Hz 10010 Time Since Reset Seconds since accumulator registers were reset POSITIVE POWER ENERGY MEASUREMENT OB...

Страница 69: ...rage Negative Equals kWh System Negative Time Since Reset 3600 seconds Hr resettable 1120 kW System Maximum Negative System Highest Instantaneous Negative Draw Since Reset kW 1150 kW System Minimum Ne...

Страница 70: ...POWER PATROL METER SHOULD ONLY BE WIRED BY QUALIFIED PERSONNEL HAZARDOUS VOLTAGES EXIST ATTENTION LE POWER PATROL ne doit tre branch QUE par un personnel qualifi TENSIONS DANGEREUSES sont pr sentEs D...

Страница 71: ...70 POWER PATROL PLUS WIRING DIAGRAMS Figure A 1 Three wire Delta Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration...

Страница 72: ...value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration Figure A 3 Three wire Single Phase Use a Service Type 0 zero value for BACnet Object 12080 or a 0 z...

Страница 73: ...72 Figure A 4 3 Phase 4 Wire Delta Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration...

Страница 74: ...t or Modbus is the communication protocol DAISY CHAIN LAYOUT FOR RS 485 NETWORK When multiple devices are connected the devices need to be connected in a daisy chain A daisy chain means that all plus...

Страница 75: ...em kVARh and system kVAh When a pulse is generated by the meter the orange LEDs will briefly flash otherwise they will remain dark The BACnet pulse output 12030 is scaled by the same data scalar as th...

Страница 76: ...ort 1 pulse output relay type 0 normally open HIGH 1 normally closed LOW Table C 2 Modbus Digital Port Pulse Output BACnet Output Port Objects Refer to the following two tables to configure the Power...

Страница 77: ...sters in the HeadStart Read Write Registers tab When register 44526 contains a 1 for Veris mode the Slave ID command format is 91hFFh Veris type Full Data Modbus CT value Amp The following is an examp...

Страница 78: ...8 7 Volts Line to Neutral Avg Average Line to Neutral Voltage 40009 8 Amps System Avg Average current of all phases 40010 9 kW L1 Individual Phase True Powers kW 3 values 40011 10 kW L2 40012 11 kW L3...

Страница 79: ...er Descriptions VERIS MULTIPLIERS Address Units 100A 101 400A 401 800A 801 1600A 1601 32 000A 40001 kWH LSB 7 8125exp 3 0 03125 0 0625 0 125 0 25 40002 kWH MSB 512 2048 4096 8192 16384 40003 kW 0 004...

Страница 80: ...625 0 015625 0 015625 0 015625 40022 AMPS L1 3 9063exp 3 0 015625 0 03125 0 0625 0 125 40023 AMPS L2 3 9063exp 3 0 015625 0 03125 0 0625 0 125 40024 AMPS L3 3 9063exp 3 0 015625 0 03125 0 0625 0 125 4...

Страница 81: ...Factor MSW 40268 267 VERIS Float PF System LSW System Total Power Factor LSW 40269 268 VERIS Float Volts Line to Line Avg MSW Voltage Line to Line Average MSW 40270 269 VERIS Float Volts Line to Line...

Страница 82: ...Float Volts L2 to L3 MSW Phase to Phase Voltage L2 to L3 MSW 40290 289 VERIS Float Volts L2 to L3 LSW Phase to Phase Voltage L2 to L3 LSW 40291 290 VERIS Float Volts L1 to L3 MSW Phase to Phase Volta...

Страница 83: ...Avg MSW System Average Power MSW 40306 305 VERIS Float kW System Avg LSW System Average Power LSW 40307 306 VERIS Float Demand System Minimum MSW System Minimum Demand MSW 40308 307 VERIS Float Deman...

Страница 84: ...0 0A 53 35 96 60 139 8B 182 B6 225 E1 11 0B 54 36 97 61 140 8C 183 B7 226 E2 12 0C 55 37 98 62 141 8D 184 B8 227 E3 13 0D 56 38 99 63 142 8E 185 B9 228 E4 14 0E 57 39 100 64 143 8F 186 BA 229 E5 15 0F...

Страница 85: ...8 F8 34 22 77 4D 120 78 163 A3 206 CE 249 F9 35 23 78 4E 121 79 164 A4 207 CF 250 FA 36 24 79 4F 122 7A 165 A5 208 D0 251 FB 37 25 80 50 123 7B 166 A6 209 D1 252 FC 38 26 81 51 124 7C 167 A7 210 D2 25...

Страница 86: ...baud rate mismatch Communications is established 4 Next select the desired baud rate in HeadStart from the Baud Rate drop down list This synchronizes the baud rates between HeadStart and the Power Pa...

Страница 87: ...nnected together on a BACnet MS TP network Up to 247 Power Patrol meter can be connected together on a Modbus network How is hexadecimal HEX to decimal converted Use the Decimal to Hexadecimal convers...

Страница 88: ...aster should be set to the highest MAC address present in the network Max Master is a setting on the Communications tab of the HeadStart software What is the purpose of setting a scalar value Each Mod...

Страница 89: ...demand Digital Output The Power Patrol meter has an output port for each element The ports can be used to output kWh kVARh or kVAh pulses to external devices or to toggle on and off to control a remo...

Страница 90: ...ility The Power Patrol can generate pulses based on accumulated value s such as system kWh system kVARh and system kVAh Rising edge Transition of the input signal from low to high RMS Root Mean Square...

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