Setra Systems L series Specifications Page 1

Operator’s Guide Power Patrol Power Meter Includes: Power Patrol and HeadStart 1.0 Software June 2, 2014

10 Sortie d'impulsion: 30V max tension ouverte, 5 mA courant maxi. Voir l'appendice pour sortie d'impulsions l'utilisation.

11 Power Patrol Meter Technical Specifications Specification Description Service Types Single Phase, Three Phase-Four Wire (WYE), Three Phase-Th

12 Specification Description Weight 366.5 g (12.92 oz, 0.808 lbs) Dimensions 24.2 x 8.5 x 4.0 cm (9.5” x 3.3” x 1.6”) Ingress Protection (IP

13 FIELD INSTALLATION Mounting a Power Patrol Meter The Power Patrol meter must be installed in an approved electrical panel or enclosure using

14   3 CT inputs  Digital output ports. The ports can be used to output kWh, kVARh, or kVAh pulses to external devices, or to toggle

15 Connecting Communication Cable High voltage MAY BE PRESENT. Risk of electric shock. Life threatening voltages may be present. Qualified pers

16 INSTALLING THE RS-485 ADAPTER TO A COMPUTER Installation of an RS-485 adapter and HeadStart software can be completed and tested with a mete

17 CONNECTING VIA AN ETHERNET CABLE Connect one end of the Ethernet cable into the Power Patrol and the other end into your computer. To begin c

18 A Typical 230V Single-Phase Panel Setup (US Wire Colors) Connect the Black L1 voltage lead to Voltage L1, Red L2 voltage lead to L2 voltage,

19 POWER PATROL (SERIAL & ETHERNET COMMUNICATION) The Ethernet cable has a Link LED on its connector that glows amber when connected to the

ii Setra Systems, Inc. | 159 Swanson Rd. | Boxborough, MA 01719 USA Phone 978.263.1400 | Fax 978.264.0292 | www.

20 The following table describes the Phase Verification error conditions and the appropriate correction. PHASE VERIFICATION ERROR TABLE CT1 CT

21 EXAMPLE POWER PATROL WIRING DIAGRAM Below is an example wiring diagram for a four-wire WYE. More wiring diagrams are available in the appendi

22 COMMUNICATING WITH POWER PATROL METER There are a few things to determine before starting to communicate with your Power Patrol meter. Are you

23 Setting the Network Address Switches There are two rotary network address switches on a serial Power Patrol, labeled MSB (Most Significant Byt

24 Hexadecimal Address Modbus Address Availability 00 Reserved for resetting the Power Patrol to Modbus mode with 9600 baud, 8 bit, 1 stop bit

25 RS-485 Connection 1) Select USB/RS-485(MSTP) as your communication type. 2) Select Modbus or BACnet as your communication protocol. 3) En

26 Ethernet (TCP/IP) Connection 1) Select Ethernet (TCP/IP) to gather information via a network connection. When selected, the Communications

27 ABOUT IP ADDRESSES The Ethernet connection must have an IP Address that is set manually in the IP Address field or obtained automatically fr

28  Select the correct device from the list of IP Addresses and click OK. The Setup button displays the Logger Network Setup dialog box where

29 CONNECTING PORTS Once your communication mode is selected, click Connect to establish a connection between the computer and the Power Patrol m

iii Table of Contents INTRODUCTION ...

30 Using HeadStart Software HeadStart software is used to monitor diagnostics and configure registers with Power Patrol meters. All Power Patrol

31 Communications The Communications screen is used to configure the networking options for HeadStart (PC Interface, COM port, Modbus address, et

32 SETTING SERIAL COMMUNICATION PARAMETERS 1) Select USB/RS-485(MSTP) to gather information via HeadStart software. 2) Enter the PC COM Port co

33 6) Click Connect to connect HeadStart with the Power Patrol. The Status field informs you of the connection process. When the connection is c

34 6) Select the Use DHCP checkbox. The Dynamic Host Configuration Protocol is then used to populate the IP Address, Subnet Mask, and Gateway A

35 COMMUNICATION ERROR If HeadStart is unable to communicate with the Power Patrol meter, the Status box displays the following message: “Unable

36 Meter Setup The Meter Setup screen allows unique changes to an element on the Power Patrol. Within the element, CT Phase, Type, Amps, and Ph

37 ENTERING WIRING INFORMATION FOR AN ELEMENT Begin setup by entering an amount of time (1-60 minutes) into the Demand Window and selecting a Li

38 3) Select a Digital Output from the drop-down list. See Pulse Output Port Function in the Appendix: Other Functions for more information. Co

39 The Real-Time Values screen shows current readings to verify the system is configured properly. The tables display the real-time values of Vol

iv Communication and Status Messages ...

40 Read/Write Registers—Read/Set Objects The Read/Write Registers screen provides diagnostic and special configuration options, allowing the ch

41 RESETTING BACNET OBJECTS/MODBUS REGISTERS Many of the Power Patrol registers are real-time values such as instantaneous watts or power factor.

42 Firmware The Firmware screen verifies the current firmware version and updates the Power Patrol internal firmware. Updating firmware is only

43 ALL THINGS MODBUS MODBUS DATA SCALING—INTERPRETING THE POWER PATROL REGISTERS The use of Modbus protocols limits the data registers to a maxi

44 SELECTING A SCALAR The following table is an example when selecting a data scalar for 3-phase loads based on the CT size or maximum current.

45 VALUES REQUIRING TWO REGISTERS Additionally, some values (e.g., kilowatt hours) may cover a dynamic range that is larger than 65535 and requi

46 Modbus Offset Register Description 44604 4603 Volts Multiplier Multiply volts values by this scalar. Use with Step-down Transformer. Affects

47 Modbus Offset Register Description 44011 = System kVAh pulses 45111 5110 Port 1 pulse output relay type 0 = normally open (HIGH) 1 = normally

48 Modbus Offset Register Description * System=sum of three phases 100x actual value. 44015 4014 Apparent PF System System Apparent Power Factor

49 Modbus Offset Register Description * System=sum of three phases 44036 4035 kVARh L3 LSW “ 44037 4036 kVARh L3 MSW “ 44038 4037 kVAR L1 In

v SECTION V—ALL THINGS BACNET ... 64 Configuration O

50 Modbus Offset Register Description * System=sum of three phases 44059 4058 Volts L1 to Neutral Individual Phase to Neutral Voltages (V) 44060

51 POSITIVE POWER/ENERGY MEASUREMENT REGISTERS Modbus Offset Register Description * System=sum of three phases 46001 6000 Positive kWh System LS

52 Modbus Offset Register Description * System=sum of three phases 46015 6014 Positive Apparent PF System System Positive Apparent Power Factor

53 Modbus Offset Register Description * System=sum of three phases 46029 6028 Positive kW L1 Individual Phase Instantaneous Positive True Powers

54 Modbus Offset Register Description * System=sum of three phases 46049 6048 kVA L3 “ 46050 6049 Positive Displacement PF L1 Individual Phase

55 Modbus Offset Register Description * System=sum of three phases 46082 6081 kVA Demand System Maximum Maximum Instantaneous kVA Demand (kW, re

56 Modbus Offset Register Detailed Description * System=sum of three phases 47011 7010 kVAh System LSW System Apparent Energy LSW (kVAh, resetta

57 Modbus Offset Register Detailed Description * System=sum of three phases 47023 7022 Negative kWh L1 LSW Individual Phase Negative True Energy

58 Modbus Offset Register Detailed Description * System=sum of three phases 47042 7041 kVAh L1 MSW Individual Phase Apparent Energy MSW (kVAh, r

59 Modbus Offset Register Detailed Description * System=sum of three phases 47061 7060 Volts L3 to Neutral “ 47062 7061 Time Since Reset LSW (

6 INTRODUCTION The Power Patrol meter monitors the voltage, current, power, energy, and many other electrical parameters on single- and three-ph

60 PROTOCOL COMMANDS The Modbus messaging protocol used for communication follows the Modbus RTU protocol described in this section. Each regist

61 Example Command This command reads from a Power Patrol with an address switch setting of 37 hex (55 in decimal), reading one byte starting at

62 Write Single Register This command writes to a single holding register of the Power Patrol. The normal response is an echo of the request, re

63 Error Response If the first register in this write command is not in the valid range of registers, the Power Patrol returns an error message.

64 ALL THINGS BACNET CONFIGURATION OBJECTS Object Identifier Name Description 10020 Data Acquisition Tick Internal sample count (gets cleared e

65 Object Identifier Name Description 12131 CT1 Type 1=MilliVolt, 2=Rogowski 12132 CT2 Type 1=MilliVolt, 2=Rogowski 12133 CT3 Type 1=MilliVolt,

66 Object Identifier Name Description * System=sum of three phases 1030 kW System System True Power (kW). Unsigned absolute (ABS) value of ABS

67 Object Identifier Name Description * System=sum of three phases 5000 kVAR System System Total Reactive Power (kVAR). Unsigned absolute (ABS)

68 Object Identifier Name Description * System=sum of three phases 8050 kVA Demand System Now Average kVA for most recent demand window (resetta

69 Object Identifier Name Description * System=sum of three phases 6020 kVARh System Total Positive System True Energy (kVARh) Positive (Signed

7 WARNING Use of this device in a manner for which it is not intended may impair its means of protection. Symbols on Equipment Denotes caution

69 APPENDICES Appendix A—Power Patrol Meter Wiring Diagrams Typically, the Power Patrol can be wired using any one of the following common wirin

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) valu

71 Figure A-2: Two-wire Single Phase Use a Service Type 0 (zero) value for BACnet Object 12080 or a 0 (zero) value for Modbus Register 44607 on

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 o

73 Appendix B—Connecting to a Network This section describes setting up a network with multiple Power Patrol instruments using the BACnet or Mod

74 Appendix C—Digital I/O Functions DIGITAL PULSE OUTPUTS There is one configurable digital pulse output port on the SPP. The ports can be used

75 Modbus Output Port Registers Refer to the following two tables to configure the Power Patrol output ports when using the Modbus protocol. Mod

76 Appendix D—VERIS H8035/H8036 Emulation The Power Patrol meter can be used as a direct replacement for the Veris, Inc. H8035/H8036 series of n

77 VERIS MODBUS INTEGER REGISTERS Modbus Register Offset HeadStart Name Description 40001 0 kWh System LSW System True Energy (kWh, Resettable)

78 Modbus Register Offset HeadStart Name Description 40023 22 Amps L2 " 40024 23 Amps L3 " 40025 24 kW System Avg Equals KWH_SYSTEM_L&

8 Equipment protected throughout by double insulation (IEC 536 Class II). MAINTENANCE There is no required maintenance with the Power Patrol.

79 Address Units ≤ 100A 101 – 400A 401 – 800A 801 – 1600A 1601 – 32,000A 40014 aPF L2 3.0518exp-5 3.0518exp-5 3.0518exp-5 3.0518exp-5 3.0518exp-

80 VERIS MODBUS FLOATING POINT REGISTERS Modbus Register Offset Viewpoint Name Description 40257 256 VERIS Float kWh System MSW System Net True

81 Modbus Register Offset Viewpoint Name Description 40280 279 VERIS Float kW L3 LSW Individual Phase True Power L3 LSW 40281 280 VERIS Float Ap

82 Modbus Register Offset Viewpoint Name Description 40303 302 VERIS Float Amps L3 MSW Phase Current L3 MSW 40304 303 VERIS Float Amps L3 LSW Ph

83 Appendix E—Conversion Table DECIMAL TO HEXADECIMAL CONVERSION TABLE Decimal values are used for the Power Patrol 24 addresses. The table belo

84 Decimal Hex Decimal Hex Decimal Hex Decimal Hex Decimal Hex Decimal Hex 30 1E 73 49 116 74 159 9F 202 CA 245 F5 31 1F 74 4A 117 75 160 A0 20

85 Appendix F—Troubleshooting TROUBLESHOOTING COMMUNICATION ISSUES When the baud rate on the HeadStart Communications screen and the Power Patro

87 FREQUENTLY ASKED QUESTIONS What is the maximum distance for BACnet MS/TP or Modbus (RS-485) communication? BACnet MS/TP or Modbus (RS-485) ca

88 How can I switch the Power Patrol from BACnet to Modbus mode? Using a PC running HeadStart, go to Comms. Setup tab and select desired communi

89 GLOSSARY Amp Multiplier A multiplier that changes amperage so that a meter can read higher measurements. Analog Value A type of BACnet object

9 Power Patrol Résumé de Sécurité et Spécifications Cette information de sécurité est destinée à être utilisée à la fois par l'opérateur de

90 of all individual signed measurements. Object A BACnet object is a standard data structure that on the Power Patrol represents electrical mea