FCC ID: UVJ-EMN-A1-M-24 Energy Meter Node

l a u n a M r e s U Wi-LEM Wireless Local Energy Meter Doc. No:

Version:

Date:

CH 26102 1.0 29.01.07 I-2 I. IdEntIfIcatIon I.1 docUMEnt Wireless Local Energy Meter (Wi-LEM) User Manual Software Version : 1.0 Nb. : CH 26102 Last Modifications : 29.01.2007 I.2 ManUfactUrEr LEM SA Chemin des Aulx 8 CH - 1228 Plan-Les-Ouates Geneva, Switzerland Tel. +41 (0)22 706 11 11 Fax +41 (0)22 706 94 78 The reproduction, even partially, of this document is forbidden. No part may be copied in any form, and it may not be used, edited nor transmitted by any electronic means (photocopy, photography, magnetic supports or other recording processes), without the written authorization of LEM SA. All rights and particularly reproduction, translation, edition, distribution and also industrial property Copyright and recording are reserved. Printed in Switzerland Wi-LEM User Manual YCO -29.01.07 - Doc. CH26102 I-3 tabLE of contEnts notIcEs ....................................................................................... 1-1 1 certification directives.................................................................................... 1-1 1.1 safety instructions .......................................................................................... 1-1 1.2 Introduction ............................................................................................................................. 1-1 1.2.1 Principle .............................................................................................................................................................. 1-1 1.2.1.1 1.2.1.2. Importance of safety indications ....................................................................................................................... 1-2 1.2.1.3. failure to respect safety regulations ................................................................................................................. 1-2 General rules for all users ........................................................................................................ 1-2 1.2.2 User manuals ........................................................................................................................... 1-2 1.2.3. differentiation of degrees of risk ............................................................................................ 1-3 1.2.4 1.2.4.1 General risks ....................................................................................................................................................... 1-3 Electric cabinet or live components .................................................................................................................. 1-3 1.2.4.2 WI-LEM and nEtWork dEscrIPtIon .................................... 2-1 2. about the Wi-LEM (Wireless Local Energy Meter) ........................................ 2-1 2.1 Energy Meter node (EMn) .............................................................................. 2-3 2.2 2.2.1 detailed description ................................................................................................................ 2-3 2.2.2 Models description .................................................................................................................. 2-4 2.2.3 Main Electrical characteristics ................................................................................................ 2-5 Mesh Gate description ................................................................................... 2-6 2.3 2.4 Mesh node description .................................................................................. 2-7 network ........................................................................................................... 2-8 2.5 network characteristics .......................................................................................................... 2-8 2.5.1 Introduction .............................................................................................................................. 2-8 2.5.2 2.5.3 description ............................................................................................................................... 2-8 3. 3.1 3.2 3.3 HardWarE InstaLLatIon and controL ............................. 3-1 Important warning and notices ...................................................................... 3-1 before You start .............................................................................................. 3-1 network deployment recommendations(Mesh node and Mesh Gate installa-

tion).................................................................................................................. 3-2 site Planning and data collection ............................................................................................ 3-2 3.3.1 3.3.2 EMn location ............................................................................................................................ 3-2 3.3.3 Mesh Gate location and connection ....................................................................................... 3-3 3.3.4 Mesh node location and connection ...................................................................................... 3-3 3.4 Energy Meter node Mounting ........................................................................ 3-4 3.4.1 Wall and panel Mounting ......................................................................................................... 3-4 3.4.2 dIn rail Mounting .................................................................................................................... 3-4 current transformer mounting ................................................................................................ 3-5 3.4.3 Voltage Input connection ......................................................................................................... 3-6 3.4.4 Procedure ............................................................................................................................................................ 3-6 3.3.4.1 3.4.5. LEd indicator description ........................................................................................................ 3-6 Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 I-4 3.5 network installation ........................................................................................ 3-7 3.5.1 Mesh Gate connection ............................................................................................................. 3-7 fixed consoLE port configuration ................................................................................................................... 3-7 3.5.1.1 3.5.1.2 standard or ModbUs modes selection ............................................................................................................. 3-8 3.5.1.3 data port configuration (default rs232) ............................................................................................................. 3-8 3.5.2 Meshscape Monitor ................................................................................................................. 3-9 network Initialisation and control ....................................................................................................................... 3-9 3.5.2.1 3.5.2.2 addressing a node ............................................................................................................................................ 3-10 softWarE IntErfacE .............................................................. 4-1 4. Introduction ..................................................................................................... 4-1 4.1 4.2 Energy Meter node ......................................................................................... 4-1 4.2.1 Modbus register table ............................................................................................................ 4-1 4.2.2 scaling factors ......................................................................................................................... 4-2 Energy counters ....................................................................................................................... 4-3 4.2.3 recording Interval based energy ............................................................................................ 4-3 4.2.4 recording Interval time (register 53) ...................................................................................... 4-3 4.2.5 time-stamp .............................................................................................................................. 4-4 4.2.6 4.2.7 frequency ................................................................................................................................. 4-4 4.2.8 Maximum current..................................................................................................................... 4-4 4.2.9 Minimum Voltage ...................................................................................................................... 4-4 4.2.10 Product Identification .............................................................................................................. 4-4 4.2.11 software Version ...................................................................................................................... 4-5 4.2.12 status Word .............................................................................................................................. 4-5 4.2.13 command Word ....................................................................................................................... 4-6 4.3 Mesh Gate ....................................................................................................... 4-6 4.3.1 Mesh Gate register table ........................................................................................................ 4-6 read device Identification ....................................................................................................... 4-7 4.3.2 4.3.3 setting of Mesh Gate network time ....................................................................................... 4-7 4.4 network ........................................................................................................... 4-8 4.4.1 Modbus Interface ..................................................................................................................... 4-8 4.4.1.1 Modbus slave ...................................................................................................................................................... 4-8 4.4.1.2 EMn slave Mesh Gate ......................................................................................................................................... 4-8 4.4.2 network Identification of EMn ................................................................................................ 4-8 4.4.3 Modbus communication ......................................................................................................... 4-8 read Holding registers (function code 0x03) .................................................................................................. 4-9 4.4.3.1 4.4.3.2 Examples ............................................................................................................................................................. 4-9 5. GLossarY ................................................................................... 5-1 Wi-LEM User Manual YCO -29.01.07 - Doc. CH26102 1-1 N O T C E S I 1 notIcEs 1.1 certification directives The present product is designed to fully agree with the following directives:

CE, FCC, IC and JAPAN Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no gua-

rantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate this equipment. (15.21) This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. (15.19) IMPORTANT NOTE:

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Industry Canada statement:

This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. IMPORTANT NOTE:

Radiation Exposure Statement:

This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

For more information, contact LEMs customer service. 1.2 1.2.1 safety instructions Introduction 1.2.1.1 Principle The user must have read and understood this chapter before undertaking any action with / in the system. For all information considered inadequate, please contact the manufacturer or your local representative. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 1-2 I S E C T O N L faILUrE to foLLoW tHEsE InstrUctIons MaY caUsE sErIoUs accIdEnts !

All device users, such as :

owners;

installers, maintenance and service personnel, or any other person in related job functions;

managers, operators, setters, programmers, foremen, mechanics;

must read and strictly follow the safety instructions in this document. These regulations also pertain to options, components, installations, devices and systems related to the machine. 1.2.1.2. Importance of safety indications All the safety and protection instructions given in this manual must be respected to prevent reversible or irreversible bodily injuries, material damages or environmental pollution. Similarly, legal regulations, accident prevention and environment protection measures, as well as recognized technical regulations, aimed at appropriate risk-free work methods in force in the country and in the machine workspace must be respected. 1.2.1.3. failure to respect safety regulations Any non-respect of the safety and protection rules, as well as existing legal and technical regulations, could cause rever-

sible or irreversible bodily injuries, material damages or environmental pollution. 1.2.2 General rules for all users k rEad and foLLoW tHE UsEr InstrUctIons and ManUaLs dELIVErEd WItH tHIs sYstEM. onLY PEoPLE traInEd for ManIPULatIons and acqUaIntEd WItH tHEsE InstrUctIons can Work on tHE dEVIcE. 1.2.3. User manuals User instructions and manuals delivered by the manufacturer with the system or at a later date must be brought to the attention of all people operating on the device or responsible for it in any way;

These people must read and strictly follow the user instructions and manuals;

After the reception of updates, if any, the user will update the documentation. Anyone likely to work on the device must have access to the user instructions and manuals. L docUMEnt to bE kEPt to rEfEr to It LatEr on. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 1-3 N O T C E S I 1.2.4 differentiation of degrees of risk 1.2.4.1 General risks J Warns aGaInst a dIrEct danGEr of dEatH or sErIoUs InjUrY. L IndIcatEs IncorrEct actIons WHIcH MaY caUsE MInor HUMan InjUrY or Major MatErIaL daMaGE to tHE sYstEM and EnVIronMEnt. k for InforMatIon, IndIcatEs HandLInG Errors or nEGLIGEncE WHIcH MaY caUsE MatErIaL daMaGE on tHE dEVIcE. 1.2.4.2 Electric cabinet or live components J onLY a qUaLIfIEd PErson Is aUtHorIzEd to IntErVEnE InsIdE tHE ELEctrIc cabInEts or on a LIVE coMPonEnt. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-1 W I

L E M A N D N E T W O R k D E S C R P T O N I I 2. WI-LEM and nEtWork dEscrIPtIon 2.1 about the Wi-LEM (Wireless Local Energy Meter) The Wi-LEM is a complete data acquisition platform to measure and transmit electrical parameters used for Energy Management application. As it is an open architecture, this platform can be easily interfaced with existing data logger and energy monitoring software. Fig. 2-1: Principle of Wireless Local Energy Meter (Wi-LEM) Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 The Wi-LEM is constituted by 3 mains parts:

Energy Meter node (EMn): sub-meter which calculates several electrical parameters with pre-wired split core current transformers (CT) and embedded wireless data transmission (for more information, see next page). 2-2 I I N O T P R C S E D k R O W T E N D N A M E L

I W Mesh Gate (MG): stand alone gateway which manages the wireless network and collect the data periodically sent by the EMN. The MG can be accessed by the data logging system for analysis. Mesh node (Mn): repeater extending the dis-

tance of the transmission between the EMN and the MG when needed. Fig. 2-2: Energy Meter Node Fig. 2-3: Mesh Gate Fig. 2-4: Mesh Node Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-3 W I

L E M A N D N E T W O R k D E S C R P T O N I I 2.2 Energy Meter node (EMn) The Energy Meter Node (EMN) is a 3-phase electric meter with a wireless (radio) communication. 1. Led indicator 2 3 4

2. 3. 4. 5. 6. For more information about the LED indicator, see chapter 3.4.5. 1 Antenna Clipping fixture for DIN Rail Identification label (ID) Current Transformer (CT) Voltage input 6 5 Fig. 2-5: Energy Meter Node 2.2.1 detailed description Data from the meter is sent to the gateway for user access periodically. The meter data is split into three sections:

Energy Meter: Active, reactive and apparent energy per phase and sum with a time-stamp. recording Interval Meter: Active, reactive and apparent energy per phase and sum with a time-

stamp of the end of the recording interval; mini-

mum voltage per phase and maximum current per phase during recording interval; frequency Meter Identification and configuration: Meter configuration and version; recording interval time setup, command and status word. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-4 I I N O T P R C S E D k R O W T E N D N A M E L

I 2.2.2 Models description The following table lists the different models of Energy Meter Node available. Model*

EMnxxxd3

(Delta - 3 wires) Table 2-1: Model Description Wiring diagram K L CT1 CT3 D A O L C B A c As the maximum voltage is 265 VRMS, this model can not be used on 400 or

= VBA and VBC 480VRMS. Delta Network. 265 VRMS L3 L2 L1 N EMnxxxW0

(3 single phases on same voltage) W N N K L CT1 CT2 CT3 D A O L D A O L L3 L2 L1 N K L CT1 L3 L2 L1 N

= VNf 265 VRMS EMnxxxW2

(Single phase - 2 wires)

= VNf 265 VRMS Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-5 W I

L E M A N D N E T W O R k D E S C R P T O N I I Model*

EMnxxxW3

(Wye - 3 wires) Wiring diagram

= VNA and VNB 265 VRMS EMnxxxW4

(Wye - 4 wires) B A N C B A N K L CT1 CT2 D A O L L3 L2 L1 N K L CT1 CT2 CT3

= VNA , VNB and VNC 265 VRMS L3 L2 L1 N

* for more information about model names, see chapter 4.2.9 "product identification"

2.2.3 Main characteristics Primary Nominal Current (IpN): .......................... Primary Current Measuring Range: .................. Primary Voltage Measuring Range (Vp): ........... Frequency (f): ................................................... Maximum power consumption ........................ Maximum supply current (N-L1) ....................... Ambient operating temperature (90% rH) (TA) ... Mass (m) ......................................................... Protection Index .............................................. Isolation .......................................................... 5A / 20A / 50A / 100A (according to the model) 10% . 120% x IpN 90 to 265 VRMS 50 / 60 Hz 2 W 0.2 ARMS

- 10 .. + 55 C 400 g IP2X Isolation class II IEC 61010-1 CAT III V rms For more details about technical characteristics, refer to the datasheets about the EMN series. 3 Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-6 I I N O T P R C S E D k R O W T E N D N A M E L

I W 2.3 Mesh Gate description 1. 2. 3. 4. 5. LED indicators (see table hereunder) Power supply 9 V DC Mini USB connector "CONSOLE"

RS232 connector Antenna 1 2 3 4 Fig. 2-6: Mesh Gate 5 LEd LEd status description Table 2-2 PWR ACT ON Blinking OFF Flashing OFF Connection with host device detected. No host device detected or MeshScape Network Monitor not running. Power has been removed. Gateway detects RF activity. The activity LED will flash when detecting valid pack-

ets (packets destined for device) and may also flash when detecting invalid packets

(packets destined for other devices) or environmental noise. Only valid packets are processed by the device. STS

(Reserved for future use.) Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-7 W I

L E M A N D N E T W O R k D E S C R P T O N I I 2.4 Mesh node description 1. 2. 3. LED indicators (see table hereunder) Power supply 9 V DC Antenna 1 2 Fig. 2-7: Mesh Node 3 LEd PWR LEd status ON OFF RF Activity STS Flashing OFF ON Blinking OFF Table 2-3 description Power ON No Power Mesh Node detects RF activity. The RF activity LED will flash when detecting valid packets (packets destined for device) and may also flash when detecting invalid packets (packets destined for other devices) or environmental noise. Only valid packets are processed by the device. No RF activity detected. The Mesh Node has established two single northbound pathways to the Mesh Gate. The Mesh Node has established a single northbound pathway to the Mesh Gate. The Mesh Node is not on the MeshScape network Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 2-8 I I N O T P R C S E D k R O W T E N D N A M E L

I W 2.5 2.5.1 network network characteristics Radio standard: ................................. 802.15.4 Protocol .......................... Millennial.Net RF Band: .............................................2.4 GHz RF Power: ................................. 1 mW (0 dBm) Operating range between EMN and MG or MN .......................20 m (65 ft) MG and MN ...........................30 m (100 ft) EMN E E M M N N MG G G M M MN N N M M MN N N M M EMN E E M M N N 2.5.2 Introduction Fig. 2-8: Single path between MG, MN and EMN (Linear) The radio network is self-configuring. The nodes IDs are factory programmed and usually do not need to be changed. In a mesh network, there are often several different routes possible for a message from a EMN to the MG through Mesh Nodes. The path with the least hops (RF steps between 2 nodes) to routers will be used if available. More routers can be used for long distances or to add routes from a EMN to the MG in areas with a changing environment. E E EMN E M N EMN M M N N E MG G M Different topologies are available (See figures). E EMN M N EMN E M N EMN M N 2.5.3 description Each EMN and the MG are equipped with a radio module. Fig. 2-9: Combination of low power EMN with a MG

(Simple Star) The measurement values of the EMN are buffered in the gateways RAM. The MG is updated by each EMN periodically de-

pending on the network configuration. When addressing a EMN Modbus slave, the MG re-

sponds directly. As the MG contains an image of the EMN values, there is no need to pass the message on to the EMN. A write command, however, is forwarded to the EMN, a delay of 2 to 4 minutes can occur for the response message.

$ Refer to Modbus interface on Chapter 4.4.1. for more information. Fig. 2-10: Network with a combination of reliability and low power (Star Mesh Network Topology) Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-1 H A R D W A R E I I N S T A L L A T O N A N D C O N T R O L 3. HardWarE InstaLLatIon and controL This chapter describes how to install the hardware to set up the Wireless Mesh Sub-meter Network. 3.1 Important warning and notices rIsk of ELEctrIcaL sHock: tHIs EqUIPMEnt contaIns HazardoUs VoLtaGE tHat MaY caUsE sErIoUs InjUrY or dEatH to PErsons If PrEcaUtIons WItHIn tHIs GUIdE arE not foLLoWEd. do not rEMoVE anY Part or cUt sEnsor cabLE of tHE EMn. L tHIs ELEctrIc EqUIPMEnt MUst bE UsEd In ELEctrIc / ELEctronIc EqUIPMEnt WItH rEsPEct to aPPLIcabLE standards and safEtY rEqUIrEMEnts In accordancE to tHE ManUfactUrErs oPEratInG InstrUctIons. k InstaLLatIon and sErVIcE MUst bE donE bY qUaLIfIEd PErsonnEL onLY on PoWEr LockEd cabInEt L EMn and Its PrEWIrEd cUrrEnt transforMEr arE dEsIGnEd for UsE In rEstrIct-

Ed accEss cabInEt. Do not install the equipment in cabinet which does not provide a sufficient protection level according to the data-

sheet Do not remove or change any part of the product, it may damage it or other equipment or cause serious injury or death. In case of accidental degradation of enclosure or other part, do not install the equipment or remove it from installation and carry out its replacement. Do not degrade or cut any part of the enclosure and cables. 3.2 before You start Check carefully that the EMN Model received is appropriate for the system to be monitored. Otherwise, wrong or incomplete data may be sent to the Mesh Gate (MG). Read carefully this manual and take care of the warning notes. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-2 L O R T N O C D N A N O T A L L A T S N I I E R A W D R A H 3.3 network deployment recommendations

(Mesh node and Mesh Gate installation) Prior to define your network and the elements location, read the following informations. k for a corrEct dEPLoYMEnt of a nEW nEtWork, tHE MEsH GatE MUst bE PoWErEd bEforE aLL otHEr nodEs. 3.3.1 site Planning and data collection Number of floors, layout;

Network topology dense versus spread out/

serial;

Type of building material;

Power availability for nodes not attached to me-

ters;

Any known obstacles or RF interferences; (Heat-

ing pipes, electrical room, etc.);

Bridge Mesh Node Placement;

Detect other 2.4 GHz interference. 3.3.2 EMn location To obtain the best effectiveness of the network, apply the following recommendations. Fig. 3-1: Network with a combination of reliability and low power (Star Mesh Network Topology) Do not install EMN in front of or close to metallic parts. That may reduce the efficiency of the embedded antenna. Avoid proximity of Electromagnetic Induction. Respect the illustrated layout to insure an optimized orientation of the antenna. Acceptable good Fig. 3-2: Avoid the proximity of the antenna with metal parts Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-3 H A R D W A R E I I N S T A L L A T O N A N D C O N T R O L 3.3.3 Mesh Gate location and connection It is always preferable to place the Mesh Gate in middle of network. Need for PC (start-up/diagnostic/troubleshoot-

ing) a b Power on the Mesh Gate by plugging the power supply adaptor 9V. Connect the Data Port rs232 to the COM port of the computer. If the Meshscape Monitor is not re-

quired, the Modbus Master can also be connected to the rs485 port situated inside the cover of the Mesh Gate 3.3.4 Mesh node location and connection RF waves radiate out from antenna in doughnut shape Communicating antennas should be parallel to each other Avoid placing Mesh Node right under an EMN. Fig. 3-3: Connect the Mesh Gate RS232 port to the PC Fig. 3-4: location advising 1 Fig. 3-5: Connect the Mesh Node power supply a Power on the Mesh Node by plugging the power supply adaptor 9V (1). Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-4 L O R T N O C D N A N O T A L L A T S N I I E R A W D R A H 3.4 Energy Meter node Mounting J MakE sUrE tHat tHE LocatIon WHErE tHE EnErGY MEtEr nodE Has to bE fIxEd Is PoWErEd off. 3.4.1 Wall and panel Mounting Prepare the mounting holes. Fixe the EMN to the wall or the panel with the screws (1). a b 1 42.6 mm m 2 x 4.2 m m m 1

. 0 0 1 Fig. 3-6: Fixing the EMN on a wall or panel c note: Use max fastening torque 2.8 Nm (2 Lb.-Ft) 3.4.2 dIn rail Mounting a b Clip the EMN on the DIN Rail (3). Pull up the clipping fixture (2) to remove the EMN from the DIN Rail. 2 3 Fig. 3-7: Fixing the EMN on the DIN Rail Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-5 H A R D W A R E I I N S T A L L A T O N A N D C O N T R O L 3.4.3 current transformer mounting MakE sUrE tHat tHE PoWEr cabLE on WHIcH tHE cUrrEnt transforMEr Is at-

tacHEd Is PoWErEd off. L tHEsE cUrrEnt transforMErs arE dEsIGnEd for LEss tHan 50 oPEn/cLosE cY-

cLEs, do not UsE as a cLaMP on MEtEr. k kEEP tHE MatInG sUrfacEs (2) PartIcLE frEE otHErWIsE accUracY MaY bE dEGrad-

Ed. L tHEsE cUrrEnt transforMErs HaVE bEEn dEsIGnEd for IsoLatEd cabLE UsE onLY. a Respect the Current Transformer phase allocation according to Voltage phase allocation. c If the phase allocation is wrong, the EMN will send incorrect energy data. Generator Side

$ Refer to chapter 2.2.2 for more details about the phase allocation. 1 b Make sure that the arrow (3) shows the way of the positive current flow from the generator to the load. In this case, the label (6) is facing the load. c This allows the EMN to calculate Active Energy with the right sign. c Close the Current Transformer around the cable (1). d Use the mounting clip (5) to attach the Current Transformer on the cable (4). 2 Generator Side 6 Load Side 4 Load Side 3 5 Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 Fig. 3-8: Current Transformer mounting 3-6 L O R T N O C D N A N O T A L L A T S N I I E R A W D R A H 3.4.4 Voltage Input connection k a cIrcUIt brEakEr or sIMILar dEVIcE MUst bE InstaLLEd bEtWEEn tHE MaIn sUPPLY and tHE EnErGY MEtEr nodE for LInE ProtEctIon. rEfEr to tHE coUntrY rEGULatIons and EMn cHaractErIstIcs to dEfInE tHE aPProPrIatE ProtEctIon to bE UsEd. f MakE sUrE tHat tHE WIrEs tHat YoU connEct to tHE VoLtaGE InPUt arE PoWErEd off. 3.3.4.1 Procedure

$ Refer to Model Description on Chapter 2 for more details about the Wiring Diagram of the Energy Me-

ter Node. a Connect the wires from the line to the right Input Voltage connecting points (1). c Use 2.5 mm2 wire for single wire and 1 mm2 wire for 2 wires. 3.4.5. LEd indicator description The LED Indicator (2) has the following status:

1 blink, wait 2 seconds:

Normal operation:

2 blinks, wait 1 second:

Radio module communication error: EMN is unable to send data. 3 blinks, wait 1 second:

Meter not synchronized to 50/60Hz: Frequency out of range of 50Hz - 10% to 60Hz + 10%. 4 blinks, wait 1 second :

Comm- & Synch error together:

5 blinks, wait 1 second:

Checksum Error: If a reset-meter command fol-

lowed by an OFF/ON sequence does not reset this error, the calibration memory is corrupt and the device needs to be sent back to LEM. 6 blinks, wait 1 second:

Direct serial communication mode (factory use only). 7 blinks, wait 1 second:

Internal hardware failure. K CT3 C B A CT2 CT1 L D A O L Circuit Breaker L3 L2 L1 N EMN Fig. 3-9: Example of Circuit Breaker connection 2 1 Fig. 3-10: Connecting the wires to the Input Voltage Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-7 H A R D W A R E I I N S T A L L A T O N A N D C O N T R O L 3.5 network installation By default, the Mesh Gate is configured for ModbUs mode. The network installation might need the MeshScape Monitor application which requires the Mesh Gate to be in stan-

dard mode. In this case, configure the data port for rs232 at a baud-rate of 115200, no flow control This standard mode provides more information on the network status. 3.5.1 Mesh Gate connection The Mesh Gate configuration such as baud rates, flow control etc. , can be set through the consoLE interface. It can be used with any serial terminal such as Hyperterminal on Windows operating systems. a b Power on the Mesh Gate by plugging the power supply adaptor 9V (1). Connect the consoLE (mini USB (2)) interface to the COM port of the computer (SUBD). Use cable ref. : . XXX Table 3-1: Pin-out for the Mesh Gate terminal block 2 1 Fig. 3-11: Mesh Gate to PC connection rs485 PWr oUt rs232 PWr In RTN A B 3.3V GND RTS CTS RX TX GND

The function of each Mesh Gate block pin is described as follows:

Table 3-2: Mesh Gate terminal block pin assignments Pin 1 2 3 4 5 6 7 8 9 10 11 12 Label RTN A B 3.3V GND RTS CTS RX TX N/A GND

Input / output Reference I/O I/O Output Power Power Input Output Output Input N/A Power Power function Reference connection for RS485 RS485 signal +

RS485 signal -

3.3V Output power Digital ground RS232 Request to send RS232 Clear to send RS232 Receive data RS232 Transmit data Not used Digital Ground Input power (4.5V to 30V) 3.5.1.1 fixed consoLE port configuration Baud Rate . 115200 Data Bits . 8 Parity . None Stop Bits . 1 No flow control Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-8 L O R T N O C D N A N O T A L L A T S N I 3.5.1.2 standard or ModbUs modes selection c The HyperTerminal displays the message "starting saG-Lite Mesh Gate Interface". a Press "EntEr" to start the application. b Press "a" to enter the "administration" menu. c Press "a" to change the Mesh Gate application. Fig. 3-12: Mesh Gate Console Interface Main Menu The standard (Macs) needs to be set for use with the Meshscape network monitor. The Modbus data Logger should be set for ac-

cess to the EMn in Modbus mode. I E R A W D R A H d The Data Port setting for the rs-232/rs485 inter-

face are accessed from the Administration menu, by pressing "h" for "configure data Port". Fig. 3-13: Mesh Gate Console Interface Administration Menu 3.5.1.3 data port configuration (default rs232) DB-9 style connector :

RS-232 Data Port connector with standard DCE connections for transmit data, receive data, RTS in-

put, and CTS output. Baud Rate Data Bits Parity Stop Bits 115200 8 None 1 Fig. 3-14: Mesh Gate Console Interface Application Menu Fig. 3-15: Mesh Gate Console Interface Port Settings Menu Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-9 H A R D W A R E I I N S T A L L A T O N A N D C O N T R O L 3.5.2 Meshscape Monitor With the Mesh Gate switched to standard application, the Meshscape Monitor software can be used to view the network. 1. 2. 3. 4. Menu bar Mesh Gate details Network details Mesh Node, End Node and EMN details (EMN contains an End Node) 1 2 3 4 Fig. 3-16: MeshScape Monitor main screen 3.5.2.1 network Initialisation and control The network starts building itself once the Mesh Gate is powered on. Depending on the physical topologies, a network may take up to 5 minutes to be formed. Each router (Mesh Node) or EMN that is powered on should be seen in the monitor application. The Hop count can help to determine if additional routers are necessary. If a transducer is not seen by the Mesh Gate (monitor), verify the distances to the next Mesh Node/Mesh Gate. An additional Mesh Node should be placed between the transducer and the nearest Mesh Node. To verify the functioning of the EMN, observe the serial data of the corresponding line. At regular intervals there will be new data written. The interval is not changeable and is between 5 and 30 seconds. None of the EndNode (in EMN) parameters should be changed!

Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 3-10 L O R T N O C D N A N O T A L L A T S N I I E R A W D R A H 3.5.2.2 addressing a node The nodes are already addressed at factory. However, in case of addition of nodes in an existing network, it can be necessary to change the ID ad-

dress of the node. c The Group ID and the Device ID are printed on the label on the front cover of the EMN or Mesh Node

(1). a Select Utilities, then the command "Update network Identity". c The window beside is displayed. Swiss Made EMN 20 W4 GID : 111.111 DID : xxx.123 V1.0 12345 1 GID = Group ID (111.111) DID = Device ID (XXX.123) Low byte used Fig. 3-17: ID labels 2 b Enter the new ID of the node in the field (2). k do not ModIfY tHE GroUP Id. ModIfYInG tHE GroUP Id of a nodE, WILL MakE It InVIsIbLE on tHE nEtWork. In tHIs casE, contact LEM cUstoMEr sErVIcE. Fig. 3-18: Update Device ID Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 4-1 S O F T W A R E I N T E R F A C E 4. 4.1 softWarE IntErfacE Introduction This chapter describes the parameters and the registers available for software development. Energy Meter node 4.2 4.2.1 Modbus register table Table 4-1 Modbus Register Map Modbus register description type /

length storage Unit after scaling access 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Active Energy Consumption, Phase 1 MSW Active Energy Consumption, Phase 1 LSW Active Energy Consumption, Phase 2 MSW Active Energy Consumption, Phase 2 LSW Active Energy Consumption, Phase 3 MSW Active Energy Consumption, Phase 3 LSW Active Energy Consumption, Phase Sum MSW Active Energy Consumption, Phase Sum LSW Reactive Energy Consumption, Phase 1 MSW Reactive Energy Consumption, Phase 1 LSW Reactive Energy Consumption, Phase 2 MSW Reactive Energy Consumption,Phase 2 LSW Reactive Energy Consumption, Phase 3 MSW Reactive Energy Consumption, Phase 3 LSW Reactive Energy Consumption, Phase Sum MSW Reactive Energy Consumption, Phase Sum LSW Apparent Energy Consumption, Phase 1 MSW Apparent Energy Consumption, Phase 1 LSW Apparent Energy Consumption, Phase 2 MSW Apparent Energy Consumption, Phase 2 LSW Apparent Energy Consumption, Phase 3 MSW Apparent Energy Consumption, Phase 3 LSW Apparent Energy Consumption, Phase Sum MSW Apparent Energy Consumption, Phase Sum LSW Energy Counter Timestamp, Min / Sec Energy Counter Timestamp, Day / Hour Energy Counter Timestamp, Year / Month Line Frequency Recording Interval Timestamp, Min / Sec Recording Interval Timestamp, Day / Hour Recording Interval Timestamp, Year / Month Recording Interval Active Energy, Phase 1 Recording Interval Active Energy, Phase 2 Recording Interval Active Energy, Phase 3 Recording Interval Active Energy, Phase Sum S32 S32 S32 S32 S32 S32 S32 S32 U32 U32 U32 U32 U16 U16 U16 U16 U16 U16 U16 S16 S16 S16 S16 NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV NV V V V V V V V V V V V Wh Wh Wh Wh Wh Wh Wh Wh VAh VAh VAh VAh VAh VAh VAh VAh VARh VARh VARh VARh VARh VARh VARh VARh Hz Wh Wh Wh Wh R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 4-2 E C A F R E T N I E R A W T F O S Modbus register description 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Recording Interval Reactive Energy, Phase 1 Recording Interval Reactive Energy, Phase 2 Recording Interval Reactive Energy, Phase 3 Recording Interval Reactive Energy, Phase Sum Recording Interval Apparent Energy, Phase 1 Recording Interval Apparent Energy, Phase 2 Recording Interval Apparent Energy, Phase 3 Recording Interval Apparent Energy, Phase Sum Maximum Current in Interval, Phase 1 Maximum Current in Interval, Phase 2 Maximum Current in Interval, Phase 3 Minimum Voltage in Interval, Phase 1 Minimum Voltage in Interval, Phase 2 Minimum Voltage in Interval, Phase 3 LEM Product ID (bits 7-10) Current caliber ( bits 3-6 ) Connection schema (bits 0-2) Software Version (bits 8-15) Software Revision (bits 0-7 ) Status Word Command Word Recording Interval Time Setting type /

length S16 S16 S16 S16 U16 U16 U16 U16 U16 U16 U16 U16 U16 U16 U16 U16 U16 U16 U16 storage Unit after scaling access V V V V V V V V V V V V V V NV NV NV V NV VAh VAh VAh VAh VARh VARh VARh VARh A A A V V V min R R R R R R R R R R R R R R R R R R/W R/W c notes on table:

nV: Non-Volatile, restored after power-cycle; V: Volatile. s: Signed; U: Unsigned;

r: Read; W: Write;

4.2.2 scaling factors scaling factor table divide the result by:

5a 64 8 64 8 64 8 25 1200 16 20a 16 2 16 2 16 2 25 300 16 50a 6.4 0.8 6.4 0.8 6.4 0.8 25 120 16 100a 3.2 0.4 3.2 0.4 3.2 0.4 25 60 16 current range Active Energy Wh [Intvl]

Active Energy Wh [Counter]

Reactive Energy VARh [Intvl]

Reactive Energy VARh [Counter]

Apparent Energy VAh[Intvl]

Apparent Energy VAh[Counter]

Vrms Irms Frequency c note on table: Intvl : Interval Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102t 4-3 S O F T W A R E I N T E R F A C E 4.2.3 Energy counters These objects contain the total consumed energy measured by the EMN. Writing the reset command to the command word resets the energy counters, the recording interval counters as well as the on-going interval accumulated values. The time-stamp of the energy counters is written into the register when the data is sent to the gateway. The energy counters will count positive for energy consumed, negative for energy generated and pushed into the grid. Active, reactive and apparent energy consumption values are stored as 32-bit values, thus using 2 Modbus registers. The lower register address contains the high word (MSW), the higher register contains the low word value (LSW). Registers 0 to 26 c notes:

MsW: Most Significant Word. LsW: Least Significant Word 0 16-bits MSW 1 16-bits LSW 4.2.4 recording Interval based energy Energy is integrated over a recording time interval, which is configurable. The nominal energy is calculated over the period of five minutes with nominal current and nominal input voltage. The last completed interval values are stored in the register map. The timestamp is set in the timestamp Register at the end of the integration interval. Registers 28 to 48 4.2.5 recording Interval time (register 53) The recording interval time is a configurable parameter that defines the recording interval in minutes. It can take the values 5, 6, 10, 12, 15, 20, 30. The start of such an interval is at the hour + n* interval. When writing a value other than the ones listed to this parameter it will be discarded and the EMN will continue to use the previous set value. Not that the Mesh Gate will respond with an ack to a write of a non-valid value as it does not check the contents of the message sent to the EMn. c When changing the interval time, the EMN will calculate the end of the next recording interval time while keeping the current interval measurements. This means that at the end of the Recording interval, the timestamp will be correct with respect to the new setting, but the first interval values are not guaranteed to be integrated over the set interval time and thus should be discarded by the master application software. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 4-4 E C A F R E T N I E R A W T F O S 4.2.6 time-stamp The time-stamp of the energy counters and the recording interval have the same format using three Modbus registers. Each of the registers is split into two parts as shown in the following table. register 24 25 26 28 29 30 High byte Minute Day Year Low byte Second Hour Month 4.2.7 frequency The Line frequency is measured on the phase of the power supply only (phase 1). Last value of the recording interval is kept in this register. 4.2.8 Maximum current The RMS current is averaged over 10 line periods (200ms in a 50Hz system). The max current average of the recording interval is kept in the register. 4.2.9 Minimum Voltage The RMS voltage is averaged over 10 line periods (200 ms in a 50 Hz system). The minimum voltage value of the record-

ing interval is kept in the register. Parameter Scaling Access/Type UNominal (230Vrms) = 5750(d) User, Read, Volatile description 4.2.10 Product Identification The Product Identification identifies the LEM product, the meter configuration and the current calibre. connection diagram. The corresponding code is in the Product Id register, Bits [0-2]. description Model Wye 4-wire 1-Phase 2-wire 2-Phase 3-wire 3 single Phase on same voltage Delta 3-wire W4 W2 W3 W0 D3 code 0 0 0 0 1 0 0 1 1 1 0 1 1 1 1 number of current sensors 3 1 2 3 2 Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102t 4-5 S O F T W A R E I N T E R F A C E current calibre The current calibre of the connected current transducers and thus the nominal current can be read from the Product Id register, bit [3-6]. current caliber 5A 20A 50A 100A code 000 010 011 100 LEM Product Id (0001) The LEM Product Id is a 4-bit product identification code, bits [7-10]. All of the EMN will share the same product ID. 4.2.11 software Version The software version reflects the major release number of the EMN software The MSB of this register contains the version number. The LSB of this register contains the revision number. 4.2.12 status Word The status of the EMN can be read from a read-only register bit 0 1 2,3,4,5,6,7 8 9 10 11 12 13,14,15 status description Set when synchronized to 50/60Hz Set if a checksum error has been detected at power-up Not Used Internal use only Internal use only Not Used Internal use only Internal use only Not Used Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 4-6 E C A F R E T N I E R A W T F O S 4.2.13 command Word The EMN is able to execute commands after a write to a command word, which is mapped to a r/W register. Setting a bit in the command word executes the command. bit 0 7 command Reset Meter. This resets the device counters and the Interval counters Place EMN in direct serial communication mode. Used during manufacturing. Do not place EMN in this mode, otherwise the EMN will not be able to communicate via radio module. If this is done, turn device OFF and ON again to reset the mode to normal radio communication 1,2,3,4,5,6,8,9,10,11, 12,13,14,15 Not Used / Ignored reset Meter This command resets the energy counters to zero in both RAM and non-volatile RAM This command does not affect the reporting interval values. direct serial word This able radio-communication to restore radio-communication mode, power cycle EMN (Switch OFF, then ON). Mesh Gate 4.3 4.3.1 Mesh Gate register table The registers hold information about the gateway as well as the MeshScape network Modbus register description 0 1 2 17 18 Group ID Gateway Device ID (XXX.247) Active Endnode Device List Bit Map*

Total online device count (MG, EN and EMN) 19 20 UTC Time Stamp**

21-36 37-44 Active Meshnode ID List Bit Map System Revision Number: eq.v1.1.x type U16 U16 U16 U16 U16 U16 ASCII Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102t 4.3.2 read device Identification This read device Identification objects are listed below:

object Id object name / description type Max byte size Value / note 0x00 0x01 0x02 0x03 0x04 0x05 0x06 Vendor Name (GW only) Product Code (GW only) Major Minor Revision (GW only) Vendor URL (GW only) Product Name (GW only) Model Name (GW only) User Application Name (GW only) ASCII String ASCII String ASCII String ASCII String ASCII String ASCII String ASCII String 32 Bytes 16 Bytes 16 Bytes 32 Bytes 16 Bytes 16 Bytes 32 Bytes Millennial Net Inc. Rk-5424-XX v1.1.X www.millennial.com MeshScape 5424 To be determined

* Each bit of the 16 registers corresponds to a Modbus slave address. The Modbus address corresponds to bit number as follows:

Examples:

EMN N 25: register 16, bit 9 = 1 Registers EMN N16: register 16, bit 0 = 1 4-7 S O F T W A R E I N T E R F A C E

32-bits value, R/W, Volatile MN and EMN will be synchronized with this value (MG) Write the time value in this register Mesh Gate UTC time registers: 19 (MSW) and 20(LSW). Concatenate to have a 32-bit UTC value 4.3.3 setting of Mesh Gate network time The Mesh Gate holds the reference time for the entire network. Mesh Nodes and EMNs will synchronize their internal RTCs after power-up, then at periodic intervals (2-4 minutes). The initial synchronisation can take up to 6 minutes. Depending on the network configuration /number of hops from Mesh Gate to EMN. The Mesh Gate is not equipped with a battery, so the internal time is not kept when power is removed. It is thus neces-

sary to set the Mesh Gate time immediately after power-up of the Mesh Gate. The time drift according to Millenial is up to several seconds/day. Synchronizing the Mesh Gates time periodically with the Master-applications time is necessary. k WHEn sEttInG tHE tIME In tHE MEsH GatE, botH Utc rEGIstErs nEEd to bE WrIttEn In onE coMMand. The ongoing recording intervals in the EMNs will be disrupted by a change of the Mesh Gate time. Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 4-8 E C A F R E T N I E R A W T F O S network 4.4 4.4.1 Modbus Interface The Wireless Mesh Network uses the Modbus RTU (Remote Terminal Unit) framing mode. c ASCII mode is not supported. The gateway can act in two ways:

Modbus Slave with Mesh Gate data EMN Slave proxy with EMN data 4.4.1.1 Modbus slave The following commands are known:

Read Holding Registers (0x03) Write Multiple Registers (0x10) Read Device Identification (0x2B/0x0E) 4.4.1.2 EMn slave Mesh Gate The Mesh Gate responds to Modbus requests with Modbus slave addresses corresponding to a EMN. Available Modbus commands are:

Read Holding Registers (0x03) Write Multiple Registers (0x10) c Response of a write command will always be acknowledge response. To verify if a write command is successfull, poll the register that writtten to. 4.4.2 network Identification of EMn Each of the EMNs has a unique Meshscape 16-bit Id (DID) which is printed on the EMN in the form of [High byte].[

Low byte]. As the Modbus supports only 8-Bit addresses, only the Low byte of the MeshScape address is used for Modbus com-

munications. 4.4.3 Modbus communication

For more information about Modbus protocol, see: www.modbus.org The EMNs are seen as Modbus slaves through the Mesh Gate. The maximum size of a Modbus rtU frame is 256 bytes. A Modbus request has the following general format. description Byte Count slave address function code request data crc 1 1 4 (typical, see below) 2 (LSB | MSB) Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102t 4.4.3.1 read Holding registers (function code 0x03) Master Request Format description slave address function code Hex 0xID 0x03 request data 0xXX ... 0x7D crc 0xLSB 0xMSB Slave Request Format description slave address function code request data crc Hex 0xID 0x03 0xXX 0xYY 0xLSB 0xMSB The following is a Modbus master read request packet. A request is referred to as a packet sent from the Modbus master application to the gateway slave. This has a function code value of 0x03. The request data includes a 2 byte starting address offset value and a 2 byte length value specifying the length of data to be returned in a 16 bit word (number of Holding Registers, 1 to 125 (0x7D)). 4-9 S O F T W A R E I N T E R F A C E 4.4.3.2 Examples read the frequency from EMn with Id 63 Modbus address ......................................0x3F Starting register ....... 0x1B (register 27 decimal) Length ......................................................0x01

[3F 03 00 1B 00 01 F0 D3]

read all IrMs and UrMs values from EMn with Id 63 Modbus address ......................................0x3F Starting register ....... 0x2B (register 43 decimal) Length ......................................................0x06

[3F 03 00 2B 00 06 B1 1E]

Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 4-10 E C A F R E T N I E R A W T F O S Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102t 5-1 G L O S S A R Y 5. GLossarY EMn rtc Utc Energy Meter Node Real Time Clock Coordinated Universal Time. Number of seconds passed since 1.1.1970 Mesh Gate Millennialnet gateway that controls the RF network and provides a serial interface for the customer. Mesh node Millennialnet RF router/repeater End node / node Millennialnet RF communication module integrated in the EMN Hop count Number of network node hops taken by a packet delivered from a node to the Mesh Gate. For example:

End Node Mesh Gate = 1 hop, End Node Mesh Node Mesh Gate = 2 hops

(each additional Mesh Node will add another hop). Modbus Communications protocol using RS232/RS485 used by the Mesh Gate. Further information and protocol specifications can be found on http://www.modbus.org.

Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102 5-2 Y R A S S O L G Wi-LEM User Manual YCO - 29.01.07 - Doc. CH26102