Home

PowerMonitor Wireless 250 Monitor User Manual

1. 1 Checksum Error 1 Synchronized to 50 60Hz _ Command Word register 52 The PowerMonitor W250 unit is able to execute commands after a write to a command word which is mapped to a read write register Setting a bit in the command word executes the command Reserved Hea ived 15 14 13 12 11 10 09 08 o7 06 05 04 03 02 01 00 Bit Number l Reserved Writing a 1 l 1 Reset Meter disables RF communication Resets the energy Cycle power to the unit to usage and interval restore RF communication usage counters Reset Meter This command resets the energy counters to zero in both RAM and nonvolatile RAM This command does not affect the reporting interval values 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 Rockwell Automation Publication 1425 UM001A EN P January 2012 41 Chapter 3 42 Software Interface 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 PowerMonitor W250 unit will continue to use the previous set value Note that the PC Receiver will respond with an ACK to a write of a valid or non valid value as it does not check the con
2. 7 blinks wait 1 second Internal hardware failure Please contact Rockwell Automation for service Rockwell Automation Publication 1425 UM001A EN P January 2012 31 Chapter2 Hardware Installation Network Commissioning Module Identification Figure 24 Label Allen Bradley swiss vas i 1425 D10003 MOD GID 111 111 DID xxx 178 This section describes the module identification and PC Receiver connection V 2 01 110175 Table 11 Label Information Item Description 1 Group ID 2 Device ID 3 Firmware revision 4 Manufacture date code Each module has two identification numbers Group ID and Device ID each defined by 2 bytes The Group ID and Device ID are printed on labels on the following e PowerMonitor W250 unit front side e Router or PC Receiver rear side TIP All modules including the PC Receiver must be set with the same Group ID to communicate together on the same network All parts are delivered from factory with default GID 111 111 The devices are addressed at the factory as shown in the following table Table 12 Device Addresses Device Type Device High byte Low Byte Modbus address End Node Devices high PowerMonitor W250 1 30 1 216 byte 1 159 Reserved 41 159 100 216 Router Devices high byte Reserved 160 209 1 216 160 255 except 248 amp 249 Router 210 219 240 247 217 246 PC Receiver PC Receiver 160 255 ex
3. Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited Throughout this manual when necessary we use notes to make you aware of safety considerations WARNING Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attentions help you identify a hazard avoid a hazard and recognize the consequence SHOCK HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that surfaces may reach dangerous temperatures gt eee IMPORTANT Identifies information that is critical for successful application and understanding of the product Allen Bradley Rockwell Software Rockwell Automation PowerMonitor RSPower RSEnergyMetrix and TechConnect are trademarks of Rockwell Automation Inc Trademarks not belonging to Rockwell Automation are property of their respective companies PowerMonitor W250 Unit Overview Hardware Installation Software Interface Certifications Specifications G
4. 100 2000 A depending on the model Primary voltage measuring range VPN 180 520V rms Frequency 50 60 Hz External power supply 10 24V DC Max supply current 50 mA DC Ambient operating temperature 90 rH TA 10 55 C 14 131 F For indoor use only Altitude Up to 2000 m 6562 ft Protection degree IP2X Pollution degree PD2 Isolation Isolation class 1 The product must be connected to earth ground IEC 61010 1 CAT III 300V RMS Rockwell Automation Publication 1425 UM001A EN P January 2012 55 AppendixA Specifications Table 32 Accuracy and Range Parameter Voltage Accuracy in of Reading at 25 C 77 F 50 60 Hz Min value in interval 1 5 Nom Range D3 model 240V 3 wire Delta 90 300V AC line to line 277N line to neutral 4 wire WYE 90 300V AC line to neutral 480 models 480V 3 wire Delta 90 520V AC line to line Current Max value in interval 1 5 Depending on model monitor load range 100 2000A Frequency Based of Phase 1 50 or 60 Hz 45 66 Hz Energy functions KWH IEC 62053 21 Class 1 1 Energy functions kVARH IEC 62053 23 Class 3 3 Metering update rate Table 33 Input and Output Ratings Attribute Control power Table 34 General Specifications Attribute Dielectric withstand Value kWh kVarh kVAh counters 1 minute Interval En
5. 1425 UM001A EN P January 2012 15 Chapter2 Hardware Installation Network Deployment ee to defining your network and the elements location read the following Recommendations information IMPORTANT We recommend you apply power to the Wireless PC Receiver before applying power to the PowerMonitor W250 unit or Router nodes rN ATTENTION All devices are designed for indoor use only Planning Your Installation Follow this information before installing your PowerMonitor W250 unit Building Audit Mesh devices all communicate via wireless radio frequencies and are influenced by several factors electrical wires metal objects heavy concrete walls direction of installed devices and so on Consider the following items in network configuration e Number of floors layout e Network topology dense versus spread out serial e Type of building material e Power availability for routers and receivers not attached to meters e Any known obstacles or RF interferences for example heating pipes electrical room e Bridge router placement e Detect other 2 4 GHz interference Walls and Floors Inside a building radio waves deflect on walls and other objects create interference When the PowerMonitor W250 unit or other system components are mounted on a wall or where the RF signal travels through a wall or other construction be aware of the materials used in the construction both sides Note that certain materials will reduce the
6. PC Receiver 100 Nodes 1425 GAT200 PowerMonitor Wireless PC Receiver 200 Nodes 1425 ADR1 PowerMonitor Adapter US 1425 ADR2 PowerMonitor Adapter EMEA 1425 ADR3 PowerMonitor Adapter UK Physical features of the wireless PC Receiver unit are listed below Table 4 PC Receiver Features Item Description 1 Status indicators 2 Power supply connector 6 30V DC 3 RS 232 485 DB 9F connector 4 Internal push button accessible with a lt 1mm rod such as an unbent paper clip Figure 6 PC Receiver Rockwell Automation Publication 1425 UM001A EN P January 2012 11 Chapter 1 12 PowerMonitor W250 Unit Overview Table 5 PC Receiver Status Indicators Indicator Position Status Description Power Left Green ON Power OK OFF Power has been removed Communication Middle Green ON Modbus mode Amber ON Standard MASC mode for Meshscape Network Monitor or Meshscape programmer use Red ON Programming in progress RF activity Right Green ON Initialization PC Receiver not operating Flashing Green RF activity Wireless Router Description The Wireless Router extends the range of the mesh network to accommodate longer distances between nodes overcome physical barriers and provide for multiple signal routing Table 6 Wireless Router and Accessories Cat No 1425 NOD Description Wireless Power Monitor Router 1425 ADR1 PowerMonitor Router Adapter US 1425 ADR2 Power
7. RF power operating range 57 RF status 43 Rogowski coil 9 29 router 9 connection 20 location 20 orientation 21 RS 232 connection 33 RS 485 connection 34 S safety considerations 15 sampling interval 45 scaling factors 38 software interface 35 specifications environmental 55 general 55 star topology 18 star mesh topology 17 status indicator PowerMonitor W250 31 status indicators PC receiver 12 wireless router 13 status word 41 T time stamps 38 topologies 17 constricted 19 linear 18 star 18 star mesh 17 U UTC time 47 Rockwell Automation Publication 1425 UM001A EN P January 2012 Index V voltage input circuit breakers 30 fuses 30 voltage input connection 30 W wireless communication operating range 57 wireless mesh network 11 wireless network description 13 wireless PC receiver 8 features 11 overview 11 status indicators 12 wireless power monitor 8 wireless router 9 accessories 12 description 12 features 12 status indicator 13 wiring diagrams 25 26 27 write multiple registers 48 Z zero power detection 42 zero power multiplier 42 Rockwell Automation Publication 1425 UM001A EN P January 2012 63 Index Notes 64 Rockwell Automation Publication 1425 UM001A EN P January 2012 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products At hetp www rockwellautomation com support y
8. or power monitors on opposite sides of the wall to create a short direct signal path Signal loss may occur if a long path exists through an obstruction See Figure 13 20 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Figure 13 Router Orientation Guidelines y Worse gt Better Figure 14 Relative Orientation of Routers Apply power to the Router by plugging in the power supply adapter Figure 15 Connect the Router Power Supply Rockwell Automation Publication 1425 UM001A EN P January 2012 21 Chapter2 Hardware Installation PowerMonitor W250 Mounting 22 in which the PowerMonitor W250 unit is to be installed and the circuit to which f WARNING Disconnect and lock out all sources of electric power to the location it will be connected WARNING The PowerMonitor W250 unit must be installed vertically as shown in Figure 16 PowerMonitor W250 Location Be aware of the location and orientation of the PowerMonitor W250 unit s internal antenna when selecting an installation location The internal antenna faces the front of the unit in the upper left corner The following sections provide detailed recommendations for various installation conditions Basic Guidelines To obtain the best effectiveness of the network apply the following recommendations e Avoid installing the PowerMonitor W250 unit in front of or close to metallic parts Doin
9. wirelessly in a mesh arrangement designed for robust reliable energy data collection Figure 1 Wireless PowerMonitor W250 System Overview Rockwell Automation Publication 1425 UM001A EN P January 2012 7 Chapter1 PowerMonitor W250 Unit Overview The PowerMonitor W250 unit consists of three main parts e Wireless power monitor The PowerMonitor W250 unit is a sub meter that measures and calculates several electrical parameters The unit is equipped with pre wired split core current transformers or Rogowski coils and embedded wireless data transmission capabilities Figure 2 Wireless Power Monitor e Wireless PC Receiver The receiver is a standalone gateway that manages the wireless network and collects data periodically sent by PowerMonitor W250 units The receiver transmits data through its serial port to the data logging system for analysis An optional user provided serial to Ethernet converter connects the receiver to your local area network Figure 3 Wireless PC Receiver Rockwell Automation Publication 1425 UM001A EN P January 2012 PowerMonitor W250 Unit Overview Chapter 1 e Wireless router The router is a repeater that extends the distance of the wireless transmission range and can provide multiple signal paths between the PowerMonitor W250 unit and the receiver when needed Figure 4 Wireless Router PowerMonitor W250 Unit The PowerMonitor W250 unit is a 3 phase electric me
10. 1 N V L2 N and V L3 N is 300V AC rms Designed for use on up to 520V AC circuits This device is Isolation Class 1 The green yellow wire must be connected to earth ground The 24V DC power supply must be NEC Class 2 An example of a suitable power supply is the Allen Bradley 1606 XLPIS5E 15 watt 24 V DC with a single phase AC input TIP Note that the black 24V DC wire is internally connected to the green yellow ground wire Current Transformers location in which the PowerMonitor W250 wire is to be installed and the circuit ATTENTION Disconnect and lock out all sources of electric power to the to which it will be connected The current sensors are intended to be used only on insulated cable Do not apply to uninsulated cable or bus bar The current sensors are intended for no more than 50 open close operations Do not attempt to use them as a clamp on meter The current transformer mating surfaces must be kept free of particles and other contamination otherwise accuracy may be compromised 1 Observe the correct phase assignment of current transformers with respect to the voltage phase connections Refer to the wiring diagram for the applicable PowerMonitor W250 model If phase assignment and polarity are not correctly observed the PowerMonitor W250 unit produces incorrect energy data Rockwell Automation Publication 1425 UM001A EN P January 2012 27 Chapter2 Hardware Installation 2 Verify that the arrow 3 points i
11. 4 0 2 0 08 0 04 0 02 Reactive Energy VARh Intvl 3 2 1 6 0 64 0 32 0 16 Reactive Energy VARh Counter 0 4 0 2 0 08 0 04 0 02 Apparent Energy VAh Intvl 3 2 1 6 0 64 0 32 0 16 Apparent Energy VAh Counter 0 4 0 2 0 08 0 04 0 02 Volts rms 25 25 25 25 25 Amperes rms 60 30 12 6 3 Frequency Hz 16 16 16 16 16 Table 18 For PowerMonitor W250 Models Ending in 480 24V DC powered Current Range 100A 500A 2000A Real Energy Wh Interval 1 6 0 32 0 08 Real Energy Wh Counter 0 2 0 04 0 01 Reactive Energy VARh Interval 1 6 0 32 0 08 Reactive Energy VARh Counter 0 2 0 04 0 01 Apparent Energy VAh Interval 1 6 0 32 0 08 Apparent Energy VAh Counter 0 2 0 04 0 01 Voltage rms 12 12 12 Amperes rms 60 12 3 Frequency Hz 16 16 16 38 Energy and Recording Interval Time Stamps The energy counter time stamp read from Modbus registers 24 26 and the recording interval data time stamp read from registers 28 29 are organized as shown in Table 19 Table 19 Time Stamp Data Syntax Register High Byte Low Byte 24 28 Minute Second 25 29 Day Hour 26 30 Year Month Frequency register 27 The line frequency is measured on phase 1 of the line voltage The most recent value measured within the recording interval is kept in this register Rockwell Automation Publication 1425 UM001A EN P January 2012 Software Interface Chapter 3 Interval Energy Usage Data Register 28 48 Energy is integrated over a user sel
12. 9 210 211 212 213 214 215 216 217 218 219 220 221 222 223 5 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 6 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 7 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 8 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 9 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 10 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 11 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 12 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 13 64 65 66 67 68 69 70 71 72 73 74 75 76 71 78 79 14 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 15 32 33 34 35 36 37 38 39 40 4 42 43 44 45 46 47 16 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 17 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 46 Rockwell Automation Publication 1425 UM001A EN P January 2012 Software Interface Chapter 3 Each bit of the 16 registers corresponds to a Modbus slave address The Modbus address is mapped to bit number as follows Examples e PowerMonitor W250 N 25 register 16 bit9 1 e PowerMonitor W250 N 16 register 16 bit 0 1 PC Receiver Network Channel register 45 IMPORTANT _ Asalready stated the Network Channel should not be modified except where interference with other RF communication occurs Please contact Rockwell Automation support services for more information or if assistance is required The PC Receiver
13. Automation Publication 1425 UM001A EN P January 2012 Additional Resources Preface The information in this manual applies to the PowerMonitor W250 wireless power monitor These documents contain additional information concerning related products from Rockwell Automation Resource Description Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Provides general guidelines for installing a Rockwell Automation industrial system Product Certifications website http www ab com Provides declarations of conformity certificates and other certification details You can view or download publications at http www rockwellautomation com literature To order paper copies of technical documentation contact your local Allen Bradley distributor or Rockwell Automation sales representative Rockwell Automation Publication 1425 UM001A EN P January 2012 5 Preface Notes 6 Rockwell Automation Publication 1425 UM001A EN P January 2012 Chapter 1 PowerMonitor W250 Unit Overview About the PowerMonitor The PowerMonitor W250 product family provides a cost effective wireless sub W250 Unit metering solution for use with RSPower version 5 0 or later data visualization and RSEnergyMetrix version 1 9 or later energy monitoring load profiling and reporting software The PowerMonitor W250 family includes a selection of power monitors receivers and routers that communicate
14. Monitor Router Adapter EMEA 1425 ADR3 PowerMonitor Router Adapter UK Table 7 Wireless Router Features Item 1 Description Status indicators see Table 8 2 Power supply connector 6 30V DC 3 Figure 7 Wireless Router 1 Connector panel access cover ON OFF switch Rockwell Automation Publication 1425 UM001A EN P January 2012 PowerMonitor W250 Unit Overview Chapter 1 Table 8 Wireless Router Status Indicators Indicator Status Description PWR ON Power ON OFF No power RF Activity Flashing Router detects RF activity The RF activity indicator 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 OFF No RF activity detected STS ON Solid Green Device has established two or more connections with other devices Blinking The router has established a single connection additional routers may be needed to increase robustness OFF The router is not on the network additional routers are needed for this device to connect to the network Wireless Network Description The PowerMonitor W250 unit communicates with the PC Receiver node by using a self configuring wireless mesh network Node IDs addresses are programmed at the factory and usually do not need to be changed Please contact Rock
15. User Manual Allen Bradley PowerMonitor Wireless 250 Monitor Catalog Numbers 1425 Allen Bradley Rockwell Software Automation Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls publication SGI 1 1 available from your local Rockwell Automation sales office or online at http www rockwellautomation com literature describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will Rockwell Automation Inc be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation Rockwell Automation Inc cannot assume responsibility or liability for actual use based on the examples and diagrams No patent liability is assumed by Rockwell Automation Inc with respect to use of information circuits equipment or software described in this manual
16. aximum voltage on sensing terminals must not exceed the following a 300V Delta 3 W 300V AC line to line maximum b 300V Wye 4 W 300V AC line to neutral maximum c 480V Delta 3 W 520V AC line to line 300V AC line to neutral maximum 10 Rockwell Automation Publication 1425 UM001A EN P January 2012 Wireless Mesh Network Components PowerMonitor W250 Unit Overview Chapter 1 The PowerMonitor W250 unit communicates by using a wireless mesh network capable of forming multiple paths in order to increase the robustness of the network and respond to dynamic radio environments that may obstruct radio transmission In general mesh network nodes are positioned at the point of sensing and control to eliminate or minimize wiring The PC Receiver is the gateway between the wireless mesh network and RSEnergyMetrix software or other client application The wireless router extends the range of mesh network nodes to accommodate long distances between PowerMonitor W250 units overcome physical barriers and provide for multiple routing Wireless PC Receiver Overview The wireless PC Receiver acts as a gateway that manages the wireless communication network and collects data from and transmits control commands to the PowerMonitor W250 units that are members of the network Table 3 Wireless PC Receiver and Accessories Cat No Description 1425 GAT10 PowerMonitor Wireless PC Receiver 10 Nodes 1425 GAT100 PowerMonitor Wireless
17. cept 248 amp 247 249 32 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 IMPORTANT The device ID low byte defines the Modbus network address for the module The Modbus address of each device on the network must be unique The PC Receiver s Device ID high byte determines the maximum number of devices supported in the network Table 13 Number of Devices PC Receiver ID High Byte Max Number of Devices 170 10 200 100 220 200 The Group ID and Device ID should not be modified except under exceptional circumstances One such circumstance would be operating two or more independent PowerMonitor W250 networks in such close proximity that RF interference with each other occurs Please contact Rockwell Automation support services for more information or if assistance is required PC Receiver Connection This section describes the RS 232 and RS 485 connections RS 232 Data Port Use and Configuration DB 9 style connector RS 232 Data Port connector with standard DCE connections for transmit data receive data RTS input and CTS output The PC Receiver is factory configured with the following parameters e Communication Rate 115 200 e Data Bits 8 e Parity None e Stop Bits 1 Rockwell Automation Publication 1425 UM001A EN P January 2012 33 Chapter 2 34 Hardware Installation PC Receiver RS 485 Data Port Use and Configuration The RS 485 mode of the PC Receive
18. d status tables Hop Count register 201 This register reports the number of network node hops taken by a packet delivered from the device to the PC Receiver A device with a hop count equal to 1 is communicating directly with the PC Receiver For hop counts greater than 1 the First Hop ID register 202 and the Last Hop ID register 203 report the device ID of respectively the first Router and the last Router on the path used by a packet to get to the PC Receiver Radio Signal Strength Indicator RSSI register 204 RSSI value is stored in the high byte of Register 204 and can be either positive or negative signed integer When negative the value is expressed by using 2 s complement The following table shows some examples of RSSI representation and the significance of the values Table 24 RSSI Register 204 RSSI Value Register 204 Low Byte in Decimal Signal Strength Category hex gt 20 236 OxEC Strong 20 35 236 OxEC 221 OxDD Good 35 45 221 OxD 211 0xD3 Weak lt 45 211 0xD3 Not acceptable The second byte of register 204 is the battery voltage raw data which can be converted into voltage value in decimal as follows Battery Voltage 1 225 1023 0 blRaw 344 where blRaw is the raw value in decimal For instance a battery reading of 0x19 2nd byte of register 204 would be 25 in decimal then Battery Voltage 1 225 1023 254344 3 3961V Rockwell Automation Pub
19. dubus register energy usage 37 module identification 32 Rockwell Automation Publication 1425 UM001A EN P January 2012 61 Index 62 mounting 22 torque 23 network commissioning 32 network channel 45 network description 13 network identification 49 network topologies 17 node ID 13 0 operating range RF power 57 wireless communication 57 output ratings 56 P PanelView W250 DIN rail mount 24 panel mounting 23 PC receiver 8 connection 19 location 19 Modbus registers 46 network channel 47 PC receiver connection 33 PC receiver netnwork UTC time 47 PowerMonitor W250 9 about 7 current transformers 9 data overview 10 location 22 location guidelines 22 location in cabinet 22 model description 10 mounting 22 Rogowski coils 9 RSEnergyMetrix 7 RSPower 7 status indicator 31 wall mounting 23 wireless PC receiver 8 wireless power monitor 8 wireless router 9 wiring diagrams 25 26 27 radio signal strength indicator 44 range 56 reactive interval energy value 39 read device identification 48 read holding registers 48 49 real interval energy values 39 recording interval time 41 register 0 23 37 register 19 and 20 47 register 201 44 register 204 44 register 27 38 register 28 48 39 register 43 45 40 register 45 47 register 46 48 40 register 49 40 register 50 41 register 51 41 register 52 41 register 53 41 register 70 42 registers 2 17 46 reset meter 41 RF communication configuration 43
20. e may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation IMPORTANT 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 20 cm between the radiator and your body Rockwell Automation Publication 1425 UM001A EN P January 2012 53 Chapter4 Certifications Notes 54 Rockwell Automation Publication 1425 UM001A EN P January 2012 General and Environmental Specifications Specifications Appendix A Table 30 PowerMonitor W250 Line Powered up to 300V AC rms Attribute Value Primary nominal current 20 2000 A depending on the model Primary voltage measuring range neutral phase VPN 90 300V rms Primary voltage nom range N L VPN 100 272V rms Absolute min max input voltage N L 90 300V rms Frequency 50 60 Hz Max power consumption 2W Max supply current N L1 0 2 Arms Ambient operating temperature 90 rH TA 10 55 C 14 131 F For indoor use only Altitude Up to 2000 m 6562 ft Protection degree IP2X Pollution degree PD2 Isolation Isolation class Il IEC 61010 1 CAT III 300V RMS Table 31 PowerMonitor W250 External 24V DC Powered 480 modes Attribute Primary nom current IPN Value
21. e such as 40 000 to the Modbus register address RSEnergyMetrix software uses the basic zero based register addressing scheme The following table reports Modbus registers specific to PowerMonitor W250 Register Table DREES Table 14 PowerMonitor W250 Modbus Register Map Modbus Register Description Type Length Storage Unit Access 0 Real Energy Consumption Phase 1 MSW 32 NV Wh R 1 Real Energy Consumption Phase 1 LSW NV Wh R 2 Real Energy Consumption Phase 2 MSW 32 NV Wh R 3 Real Energy Consumption Phase 2 LSW NV Wh R 4 Real Energy Consumption Phase 3 MSW 32 NV Wh R 5 Real Energy Consumption Phase 3 LSW NV Wh R 6 Real Energy Consumption Phase Sum MSW 32 NV Wh R 7 Real Energy Consumption Phase Sum LSW NV Wh R Reactive Energy Consumption Phase 1 MSW 32 NV VARh R 9 Reactive Energy Consumption Phase 1 LSW NV VARh R 10 Reactive Energy Consumption Phase 2 MSW 32 NV VARh R 11 Reactive Energy Consumption Phase 2 LSW NV VARh R 12 Reactive Energy Consumption Phase 3 MSW 32 NV VARh R 13 Reactive Energy Consumption Phase 3 LSW NV VARh R 14 Reactive Energy Consumption Phase Sum MSW 32 NV VARh R 15 Reactive Energy Consumption Phase Sum LSW NV VARh R 16 Apparent Energy Consumption Phase 1 MSW U32 NV VAh R 17 Apparent Energy Consumption Phase 1 LSW NV VAh R 18 Apparent Energy Consumption Phase 2 MSW U32 NV VAh R 19 Apparent Energy Consu
22. ectable recording time interval Refer to Recording Interval Time Register 53 The interval energy usage values are calculated over the recording interval At the end of each recording interval the values are stored in the interval energy registers The recording interval timestamp indicates the time at the end of the recording interval Interval real and reactive energy values are expressed in a signed 16 bit INT register with a raw value range of 32 768 32 767 Interval apparent energy values are similarly expressed in an unsigned INT with a raw value range of 0 65 535 The raw value is the value before the scaling factor is applied With certain combinations of load and interval time the interval energy may exceed the range of the registers In this case the registers will roll over like a car odometer and report incorrect interval energy The tables below list calculated interval energy register raw values at various percentages of nominal phase current Ipn and nominal voltage for the particular power monitor model 240V or 480V and 100 power factor Values in bold font in the tables indicate where a value rollover is likely to occur We recommend that you adjust the interval to a shorter time period to avoid this issue Table 20 lists real or reactive energy values one phase sum of phases at varying percent of nominal phase currents with nominal voltage 240V or 480V for SP2 model and 100 power factor 0 power facto
23. ed and tested to meet the following directives e Low Voltage Directive 2006 95 EC e R amp TTE Directive 1999 5 EC e EMC Directive 2004 108 EC Refer to Additional Resources on page 5 for instructions on how to get a CE DoC for this product GRC HNG ISL IRL LVA LIE LTU LUX MLT HOL POL POR ROU SVK SVN E SUI S G BIH GEO HRV MDA MKD MNE SRB TUR The use of this equipment requires a license in NOR RUS UKR O This equipment may be operated in AUT BEL BUL CZE CYP DNK EST FIN F D Rockwell Automation Publication 1425 UM001A EN P January 2012 51 Chapter 4 FCC IC 52 Certifications PowerMonitor W250 units have the following approvals and certifications 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 guarantee 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
24. egin Chapter 2 Hardware Installation This chapter describes how to install the hardware to set up the Wireless Mesh Sub meter Network should install wire and service the PowerMonitor W250 unit and its associated components Before beginning any work disconnect all sources of power and verify that they are de energized and locked out Failure to follow these instructions may result in personal injury or death property damage or economic loss i ATTENTION Only qualified personnel following accepted safety procedures This equipment is designed to be installed in an enclosure with access restricted to qualified personnel Installation is to be performed in accordance with all applicable codes regulations laws and standards The equipment must be installed in an appropriate enclosure to provide quip pprop P protection to personnel and is suitable for the physical installation environment Do not remove or change any part of the product or cut any cables as doing so may damage it or other equipment or cause serious injury or death If the equipment or any part of it is damaged do not install it Remove and replace any damaged equipment Check carefully that the PowerMonitor W250 model received is appropriate for the system to be monitored Otherwise wrong or incomplete data may be sent to the wireless PC Receiver Carefully read this manual and observe any notes cautions or warnings Rockwell Automation Publication
25. en closed as shown The Rogowski coil can be oriented freely around the cable conductor It does not need to be attached The position of the conductor within the Rogowski coil does not affect the accuracy more than 0 5 Rockwell Automation Publication 1425 UM001A EN P January 2012 29 Chapter2 Hardware Installation Voltage Input Connection main supply and the PowerMonitor W250 unit for line protection The protection device must be installed near the PowerMonitor W250 device be easily accessible and be identified as the circuit protection for the PowerMonitor W250 unit i ATTENTION A set of fuses or a circuit breaker must be installed between the Use fuses or a circuit breaker with the following characteristics Table 9 Fuse and Circuit Breaker Characteristics Protection Range A Wiring mm2 AWG Single Fault Condition Max Trip Time ms 6 3 1 18 30 ms 10 1 5 16 30 ms 16 2 5 14 30 ms in which the PowerMonitor W250 unit is to be installed and the circuit to which WARNING Disconnect and lock out all sources of electric power to the location it will be connected Connect voltage sensing wiring according to the applicable wiring diagram for the model Wiring terminals will accept a single 2 5 mm 14 AWG or two 1 mm 18 AWG conductors Use wire with a minimum 65 C rating Please refer to Wiring Diagrams on page 24 For PowerMonitor W250 catalog numbers ending in 480 connect the two po
26. er Request Format Description Slave Address CRC Hex OxXX 0x7D OxLSB OxMSB Table 29 Slave Request Format Description Slave Address CRC 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 Read Holding Registers 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 1 125 0x7D Examples Read the frequency from the PowerMonitor W250 with Modbus address 63 e Modbus address 0x3F Starting register 0x1B register 27 decimal e Length 0x01 3F 03 00 1B 00 01 FO D3 Rockwell Automation Publication 1425 UM001A EN P January 2012 49 Chapter3 Software Interface Read all current and voltage values from the PowerMonitor W250 with Modbus address 63 e Modbus address 0x3F e Starting register 0x2B register 43 decimal e Length 0x06 3F 03 00 2B 00 06 B1 1E 50 Rockwell Automation Publication 1425 UM001A EN P January 2012 UL European Communities EC Directive Compliance CE Chapter 4 Certifications The power monitors are certified by UL to the following standards UL 61010 1 and CSA C22 2 No 61010 1 If this product has the CE mark it is approved for installation within the European Union and EEA regions It has been design
27. ergy Data configurable 5 6 10 12 15 20 or 30 minutes 100 277V rms AC at 50 60 Hz line to neutral 2 W max consumption 24V DC power for 480 models Value CT based model 3500V Rogowski based model 3500V Terminal blocks 2 5 mm sq for input voltage 18 24 AWG 0 5 Nem 0 37 Ibeft Certifications Canada RSS 210 56 Rockwell Automation Publication 1425 UM001A EN P January 2012 CE cULus power monitors only FCC Part 15 Industry Specifications Appendix A Table 35 General Environmental Specifications Attribute S eS Temperature nonoperating 25 70 C 13 158 F Humidity 90 RH max Mass 0 4 kg 0 88 Ib Protection index IP 2X Standards EN 50178 1997 EN 61010 1 2001 Wireless Network e Radio standard IEEE 802 15 4 ISO IEC 8802 15 4 Chara cteristics e Protocol Proprietary e RFBand 2 4GHz Table 36 RF Power Operating Range line of sight Attribute PC Receiver and Router PowerMonitor W250 RF max power 100 mW 20 dBm 10 mW 10 dBm Operating range between PowerMonitor 30 m 95 ft W250 and PC Receiver or Router Operating range between PC Receiverand 228 m 750 ft Routers Table 37 Wireless Communication Operating Range line of sight Attribute Value PC Receiver to Monitor 25 m 82 ft Monitor to Router 25 m 82 ft PC Receiver to Router 260 m 853 ft ATTENTION The operating range could change depending
28. g so may reduce the efficiency of the embedded antenna e Avoid installing the PowerMonitor W250 unit near sources of electromagnetic induction e Refer to the illustrated layout for guidelines to optimize the orientation of the antenna Inside a Metallic Cabinet Typical electrical enclosures or cabinets are never completely sealed due to openings and gaps This permits a certain level of RF communication although it may be highly attenuated When the PowerMonitor W250 unit must be installed inside a metal enclosure to get the best effectiveness the following guidelines apply e Avoid installing the PowerMonitor W250 unit in the center of the cabinet where most electrical cables are located e Install the PowerMonitor W250 on one side close to a door gap or opening if any exist e Ifthere are openings for cable routing in the top bottom or sides of the enclosure locate the PowerMonitor W250 unit close to these openings e Install a Router within 1 meter of the enclosure to counteract the attenuation of the RF signal Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Wall and Panel Mounting 1 Prepare the mounting holes to suit 2 Secure the PowerMonitor W250 unit to the wall or the panel with 4 mm 6 32 screws Figure 16 Wall or Panel Mounting aan on ee 100 1 mm 3 94 in N L3 L2 L1 IMPORTANT Tighten mounting screws snugly Maximum fasten
29. guration and Status Node configuration and version recording interval time setup command and status word PowerMonitor W250 Model Description The following table lists the available models of the PowerMonitor W250 unit Cat No Description Current Max Delta Wye Current Model Rating A Voltage Sensing Code 1425 D1002 M0D PowerMonitor Wireless 100A 300V Delta 100 300 Delta 3 W CT 111 1425 D1002 MOD 480 PowerMonitor Wireless 100A 480V Delta 100 480 Delta 3 W Rogowski Coil 111 1425 W1003 MOD PowerMonitor Wireless 100A 300V Wye 100 300 Wye 4W ai 000 1425 D2002 MOD PowerMonitor Wireless 200A 300V Delta 200 300 Delta 3 W CT 111 1425 W2003 MOD PowerMonitor Wireless 200A 300V Wye 200 300 Wye 4W aT 000 1425 D5002 MOD PowerMonitor Wireless 500A 300V Delta 500 300 Delta 3 W CT 111 1425 D5002 M0D 480 PowerMonitor Wireless 500A 480V Delta 500 480 Delta 3 W Rogowski Coil 111 1425 W5003 M0D PowerMonitor Wireless 500A 300V Wye 500 300 Wye 4W ai 000 1425 D10002 MOD PowerMonitor Wireless 1000A 300V Delta 1000 300 Delta 3 W CT 111 1425 W10003 M0D PowerMonitor Wireless 1000A 300V Wye 1000 300 Wye 4W CT 000 1425 D20002 MOD PowerMonitor Wireless 2000A 300V Delta 2000 300 Delta 3 W CT 111 1425 D20002 M0D 480 PowerMonitor Wireless 2000A 480V Delta 2000 480 Delta 3 W Rogowski Coil 111 1425 W20003 M0D PowerMonitor Wireless 2000A 300V Wye 2000 300 Wye 4W CT 000 1 M
30. in more robust communication Linear topologies that offer only a single path from device to client can create bottlenecks that reduce effective RF signal strength and adversely impact communication robustness You may add more routers to a network topology to accommodate longer distances or add parallel routes through the network in areas that present a challenging environment Preferred Network Topology An ideal network topology is Star Mesh where all nodes are evenly distributed from the PC Receiver and offer multiple parallel communication links In such a configuration all devices can communicate with multiple nodes so that if one router fails or if a radio link experiences interference the network will reconfigure itself through the remaining nodes Having multiple routes to the gateway will also improve the estimated sampling rate Rockwell Automation Publication 1425 UM001A EN P January 2012 17 Chapter 2 18 Hardware Installation Figure 8 Star Mesh Topology Best SNI PM w250 N gt gt RTR RTR PM sf PM W250 gt V250 q J PCR gt RTR RTR N RTR gt 2 2 W250 W2 p Alternative Topologies The network topologies shown below are not as robust as the Star Mesh topology However for simple installations within an environment that is favorable these topologies may provide acceptable network performance Figure 9 Linear Topology Good Figure 10 Star Top
31. indicates and permits changing the channel number through this ModBus register If you decide to change this parameter in the PC Receiver the routers and end devices power monitors will then scan for the PC Receiver and synchronize on the same channel The process of synchronizing may take several minutes all devices in any other PowerMonitor W250 network within radio range to prevent devices from the other network from synchronizing their channel to the incorrect PC Receiver ATTENTION Before changing the channel number of a network power down PC Receiver Network UTC Time registers 19 20 The PC Receiver stores the reference time for the entire network in these registers Registers 19 MSW and 20 LSW concatenate to form a 32 bit UTC value The value is equal to the number of seconds elapsed since January 1 1970 Routers and PowerMonitor W250 units will synchronize their internal real time clocks after powerup and thereafter at periodic intervals 2 4 minutes The initial synchronisation can take up to 6 minutes depending on the network configuration number of hops from the PC Receiver to the PowerMonitor W250 units The PC Receiver is not equipped with a battery so the internal time is not kept when power is removed It is thus necessary to set the PC Receiver time immediately after powerup Since time drift can be up to several seconds per day synchronizing the PC Receiver s time periodically with the Maste
32. ing torque is 2 8 Nem 2 lb ft Rockwell Automation Publication 1425 UM001A EN P January 2012 23 Chapter2 Hardware Installation DIN Rail Mounting 1 Clip the PowerMonitor W250 unit onto the DIN rail 2 Pull up the top clip see detail to remove the PowerMonitor W250 unit from the DIN rail Figure 17 DIN Rail Mounting PowerMonitor W250 Unit This section shows the types of wiring and how to connect the Wiring PowerMonitor W250 unit 24 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Wiring Diagrams Figure 18 Delta 3 wire 1425 Dxxx x 3 MOD Unit L1 L2 LB PowerMonitor W250 Unit Fuses customer provided Maximum voltage V L1 L2 and V L2 L3 is 300V AC rms Not for use on 400V AC or 480V AC circuits rN WARNING Do not connect the N terminal to earth ground Rockwell Automation Publication 1425 UM001A EN P January 2012 25 Chapter2 Hardware Installation Figure 19 Wye 4 wire 1425 Wxxx x 3 MOD Unit PowerMonitor W250 Unit Maximum voltage V L1 N V L2 N and V L3 N is 300V AC rms A N WARNING Do not connect the N terminal to earth ground 26 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Figure 20 Delta 3 wire 480V AC 1425 Dxxx x 3 MOD 480 Unit L1 L2 L3 PowerMonitor W250 Unit 24V DC Power customer provided Maximum voltage V L1 L2 and V L2 L3 is 520V AC rms V L
33. lication 1425 UM001A EN P January 2012 Software Interface Chapter 3 Device and Group ID Device ID and Group ID can be directly read respectively in registers 220 and 221 They can be modified by registers 347 Device ID and 348 Group ID exceptional circumstances One such circumstance would be operating two or more independent PowerMonitor W250 networks in such close proximity that RF interference with each other occurs Please contact Rockwell Automation support services for more information or if assistance is required i ATTENTION The Group ID and Device ID should not be modified except under Network Channel The Network Channel can be read in register 224 and overwritten into register 351 by any value between 11 and 26 IMPORTANT The Network Channel should not be modified except where interference with other RF communication occurs Please contact Rockwell Automation support services for more information or if assistance is required communication between the device and the network This will require return of the device to Rockwell Automation for factory service i ATTENTION Modifying the Network Channel may result in loss of Sampling Interval This interval time is the maximum period for a heartbeat to be sent by any node when no data is transmitted within that period in order to indicate that the device is still online The sampling interval is expressed in tenths of seconds from 0 65 535 65 535 109 minutes
34. lossary Table of Contents Preface Additional Resources i cuts ons ae ocd meant a A E Rak Rhea Uke 5 Chapter 1 About the PowerMonitor W250 Unit 00 c cece cee ence e eee 7 PowerMonitor W250 Unit 0 cece cece cece cence enn ennas 9 Wireless Mesh Network Components 0ee cess cence eee 11 Wireless Network Description Acs tc ancinendee ee anewalenanen 13 Chapter 2 Safety Considerations lt cu u tice wee aged lela he era r acacia 15 Before You DECI orp a arnunt inean Sta AG ise aa 15 Network Deployment Recommendations 00e eee eee 16 PowerMonitor W250 Mounting ic cacccicc eee tae ia eerie e s 22 PowerMonitor W250 Unit Wiring 0 cece cee cece eee eee 24 Network Commissioning ssssssuseserererrsrerrererereree 32 Chapter 3 Introd ction Sanaa e a aa E A 35 PowerMonitor W250 Modbus Register Table nousuna 35 PC Receiver Modbus Registers n unususrsuerererrrrrrrrerrrreee 46 Chapter 4 LO EEA A EE E lem E SE E E ES 51 European Communities EC Directive Compliance 51 POC i 2h paket ce Ou tate hata el oe heath a 52 Appendix A General and Environmental Specifications 0 cess eee e ee 55 Wireless Network Characteristics nonn c cece eee ee ce eeeeeeeas 57 sae BUR Gi Nieeatece th date a Rak Sei a BUR tek ton E aA 59 Index Rockwell Automation Publication 1425 UM001A EN P January 2012 3 Table of Contents Notes 4 Rockwell
35. mption Phase 2 LSW NV VAh R 20 Apparent Energy Consumption Phase 3 MSW U32 NV VAh R 21 Apparent Energy Consumption Phase 3 LSW NV VAh R Rockwell Automation Publication 1425 UM001A EN P January 2012 35 Chapter3 Software Interface Table 14 PowerMonitor W250 Modbus Register Map Modbus Register Description Type Length Storage Unit Access 22 Apparent Energy Consumption Phase Sum MSW U32 NV VAh R 23 Apparent Energy Consumption Phase Sum LSW NV VAh R 24 Energy Counter Timestamp Min Sec U16 V R 25 Energy Counter Timestamp Day Hour U16 V R 26 Energy Counter Timestamp Year Month U16 V R 27 Line Frequency U16 V Hz R 28 Recording Interval Timestamp Min Sec U16 V R 29 Recording Interval Timestamp Day Hour U16 V R 30 Recording Interval Timestamp Year Month U16 V R 31 Recording Interval Real Energy Phase 1 S16 V Wh R 32 Recording Interval Real Energy Phase 2 S16 V Wh R 33 Recording Interval Real Energy Phase 3 S16 V Wh R 34 Recording Interval Real Energy Phase Sum S16 V Wh R 35 Recording Interval Reactive Energy Phase 1 S16 V VARh R 36 Recording Interval Reactive Energy Phase 2 16 V VARh R 37 Recording Interval Reactive Energy Phase 3 S16 V VARh R 38 Recording Interval Reactive Energy Phase Sum S16 V VARh R 39 Recording Interval Apparent Energy Phase 1 U16 V VAh R 40 Rec
36. n the direction of current flow from the supply line to the load In the illustration the label 6 is facing the load 3 Close the Current Transformer around the cable 1 Be sure the clip is snapped shut 4 Use the mounting clip 5 and a cable tie 4 to attach the Current Transformer to the cable Figure 21 Current Transformer Mounting Generator Side Generator Side Load Side 28 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Rogowski Coil twist or sharply bend the coil Applying such mechanical stress to the coil may i ATTENTION When installing a Rogowski coil take care not to kink pinch reduce the accuracy of the PowerMonitor W250 1 Observe the correct phase assignment of Rogowski coils with respect to the voltage phase connections Refer to the wiring diagram for the applicable PowerMonitor W250 model If phase assignment and polarity are not correctly observed the PowerMonitor W250 unit will produce incorrect energy data 2 Verify that the arrow 3 points in the direction of current flow from the supply line to the load 3 Close the Rogowski 2 coil around the cable 1 Be sure that the coil is well locked fully inserted until a click is heard Figure 22 Rogowski Coil Mounting Load Side Load Side Generator Side Generator Side IMPORTANT The arrow indicating the current direction must be inside the loop 3 wh
37. nterface 48 command word 41 connection PC receiver 33 router 20 RS 232 33 RS 485 34 voltage input 30 connection PC receiver 19 constricted topology 19 current transformers 9 27 D data overview 10 device addresses 32 device ID 45 DIN rail mount 24 EC directive compliance 51 effects on signal strength 17 energy and recording interval time stamps 38 energy counters 37 energy usage data energy and recording interval time stamps 38 energy counter 37 frequency 38 interval energy usage data 39 register 0 23 37 scaling factors 38 environmental specifications 55 57 F FCC rules 52 features PC receiver 11 wireless router 12 firmware revision 41 Index formula zero power threshold 42 frequency register 27 38 fuses 30 G general specifications 55 glossary 59 group ID 45 hardware installation 15 hop 13 hop count 44 IC statement 53 input ratings 56 installation planning 16 building audit 16 signal strength 17 walls and floors 16 interval energy usage data register 28 48 39 interval time 45 label 32 linear topology 18 location router 20 location PC receiver 19 loss of communication 45 M maximum current 40 minimum voltage 40 Modbus communication reference 49 RTU protocol 48 Modbus command interface 48 Modbus register table 35 modbus register table 43 Modbus registers PC receiver 46 model configuration 40 model description 10 modifying network channel 45 Mo
38. ology Better N PM W250 gt gt i W250 i N250 PCR Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Constricted Topology Not Recommended In some cases PowerMonitor W250 devices might be located far away from the PC Receiver and all data from the network has to travel over a single path Such a situation creates bottlenecks and increases the risk of losing data packets We recommend avoiding such topologies by adding additional routers to provide parallel links to the PC Receiver Figure 11 Constricted Topology gt PM PM D p l Rik na ma g77 77 44 gt 4 RTR S J RR Bottlenecks Ni AJ PCR PC Receiver Location and Connection Consider these suggestions when locating your PC Receiver e When possible locate the PC Receiver near the geographical center of the RF network e It may be helpful to have a notebook personal computer for startup diagnostics and troubleshooting Follow these steps to connect the PC Receiver 1 Apply power to the PC Receiver by plugging in the DC power supply adapter We recommend that you apply power to the PC Receiver prior to applying power to any PowerMonitor W250 devices Rockwell Automation Publication 1425 UM001A EN P January 2012 19 Chapter2 Hardware Installation 2 Connect the PC Receiver s data port DB 9F connector to the serial port of a host computer a serial to Ethernet conver
39. on building configuration and network layout Rockwell Automation Publication 1425 UM001A EN P January 2012 57 AppendixA Specifications Notes 58 Rockwell Automation Publication 1425 UM001A EN P January 2012 RTC UTC PC Receiver Router End Node Hop Count Modbus RTU SELV Glossary The following terms and abbreviations are used throughout this manual For definitions of terms not listed here refer to the Allen Bradley Industrial Automation Glossary publication AG 7 1 Real Time Clock Coordinated Universal Time Number of seconds passed since 1 1 1970 Gateway device that controls the RF network and provides a serial interface for the customer RF router repeater RF communication module integrated in the PowerMonitor W250 Number of network node hops taken by a packet delivered from a node to the PC Receiver For example End Node PC Receiver 1 hop End Node Router PC Receiver 2 hops each additional Router will add another hop Serial communication protocol used by the PC Receiver Safety Extra Low Voltage Rockwell Automation Publication 1425 UM001A EN P January 2012 59 Glossary Notes 60 Rockwell Automation Publication 1425 UM001A EN P January 2012 A about PowerMonitor W250 unit 7 accuracy 56 active end node list 46 additional resources 5 apparent energy value 40 B building audit 16 C certifications 51 changing interval time 42 circuit breakers 30 command i
40. ording Interval Apparent Energy Phase 2 U16 V VAh R 41 Recording Interval Apparent Energy Phase 3 U16 V VAh R 42 Recording Interval Apparent Energy Phase Sum U16 V VAh R 43 Maximum Current in Interval Phase 1 U16 V A R 44 Maximum Current in Interval Phase 2 U16 V A R 45 Maximum Current in Interval Phase 3 U16 V A R 46 Minimum Voltage in Interval Phase 1 U16 V V R 47 Minimum Voltage in Interval Phase 2 U16 V V R 48 Minimum Voltage in Interval Phase 3 U16 V V R 49 PowerMonitor W250 models Configuration current range U16 NV R connection diagram 50 Software Version bits 8 15 Software Revision bits 0 7 U16 NV R 51 Status Word U16 NV R 52 Command Word U16 V R W 53 Recording Interval Time Setting U16 NV min R W 70 Zero Power Detection U16 NV LSB R W 36 Rockwell Automation Publication 1425 UM001A EN P January 2012 Software Interface Chapter 3 Table 15 Information for Table 14 Term Description Comments NV Non volatile Value is restored after a power cycle V Volatile Value is not restored after a power cycle S16 Signed 16 bit INT Range 32 768 32767 U16 Unsigned 16 bit INT Range 0 65 535 32 Signed 32 bit INT Range 2 147 483 648 2 147 483 647 U32 Unsigned 32 bit INT Range 0 4 294 967 297 MSW Most Significant Word LSW Least Significant Word Comments on PowerMonitor W250 Modbus Register Tables The following sections provide comments on the Modbus register tables Ene
41. ou can find technical manuals a knowledge base of FAQs technical and application notes sample code and links to software service packs and a MySupport feature that you can customize to make the best use of these tools For an additional level of technical phone support for installation configuration and troubleshooting we offer TechConnect support programs For more information contact your local distributor or Rockwell Automation representative or visit http www rockwellautomation com support Installation Assistance If you experience a problem within the first 24 hours of installation review the information that is contained in this manual You can contact Customer Support for initial help in getting your product up and running United States or Canada 1 440 646 3434 Outside United States or Canada Use the Worldwide Locator at http www rockwellautomation com support americas phone_en html or contact your local Rockwell Automation representative New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility However if your product is not functioning and needs to be returned follow these procedures United States Contact your distributor You must provide a Customer Support case number call the phone number above to obtain one to your distributor to complete the return process Outside United State
42. r application s time is necessary Rockwell Automation Publication 1425 UM001A EN P January 2012 47 Chapter 3 48 Software Interface IMPORTANT When setting the time in the PC Receiver both UTC registers need to be written in one command The ongoing recording intervals in the PowerMonitor W250 units will be disrupted by a change of the PC Receiver time Modbus Command Interface The Wireless Mesh Network communicates with client devices by using the Modbus RTU protocol Modbus ASCII is not supported Please refer to the Modbus Application Protocol Specification v1 1b December 28 2006 available from http www modbus org IMPORTANT ASCII mode is not supported A client application acting as a Modbus RTU Master communicates through the PC Receiver to obtain data and issue commands to end devices power monitors in the wireless network The PC Receiver may be directly addressed by using Modbus address 247 In this mode the following commands are supported e Read Holding Registers 0x03 e Write Multiple Registers 0x10 e Read Device Identification 0x2B 0x0E The PC Receiver also acts as a proxy for the power monitors in the network As described earlier the power monitors periodically broadcast data to the PC Receiver The PC Receiver in turn buffers the data and responds to commands issued by the Modbus Master that are addressed to the power monitors Available Modbus commands are e Read Holding Registers 0
43. r for reactive energy Table 20 Real or Reactive Interval Energy Raw Values Load Current 25 Ipn 50 Ipn 100 Ipn 120 Ipn Interval Time min 5 160074800 3200 9600 6400 19200 7680 23 040 6 1920 5760 3840 11 520 7680 23 040 9216 27 648 10 3200 9600 6400 19 200 12 800 38 400 15 360 46 080 12 3840 11 520 7680 23 040 15 360 46 080 18 432 55 296 15 4800 14 400 9600 28 800 19 200 57 600 23 040 69 120 20 6400 19 200 12 800 38 400 25 600 76 800 30 720 92 160 30 9600 28 800 19 200 5 7600 38 400 115 200 46 080 138 240 Rockwell Automation Publication 1425 UM001A EN P January 2012 39 Chapter 3 40 Software Interface Table 21 lists apparent energy raw values one phase sum of phases at varying percent of nominal phase currents with nominal voltage 240V or 480V for SP2 model Table 21 Apparent Energy Raw Values Load Current 25 Ipn 50 Ipn 100 Ipn 120 Ipn Interval Time min 5 1600 4800 3200 9600 6400 19 200 7680 23 040 6 1920 5760 3840 11 520 7680 23 040 9216 27 648 10 3200 9600 6400 19 200 12 800 38 400 15 360 46 080 12 3840 11 520 7680 23 040 15 360 46 080 18 432 55 296 15 4800 14 400 9600 28 800 19 200 57 600 23 040 69 120 20 6400 19 200 12 800 38 400 25 600 76 800 30 720 92 160 30 9600 28 800 19 200 57 600 38 400 115 200 46 080 138 240 Maximum Curren
44. r requires special wiring for the DB9 connection In order to activate the RS 485 mode please connect the data port as follows Figure 25 PC Receiver RS 485 Wiring Diagram 1 FN 5 1 ie 2 C o Inverting Signal 3 4 C o NC 5 6 C o GND 7 C x Non inverting Signal 8 9 C N As soon as the PC Receiver is powered on it will choose the serial mode RS 232 or RS 485 according to the DB9 wiring This mode will remain until the PC Receiver will be power cycled removing the DB9 connector will have no effect RS 485 mode is available on the PC Receiver unit with the date code 10267 or later with firmware revision or later 1 5 15 100 and 200 node or 1 7 5 15 10 node Upgrade ofan older PC Receiver before date code 10267 is not possible as it is a different hardware revision RS 485 mode sets the device Modbus address to 247 The address may not be changed Only point to point communication is supported Rockwell Automation Publication 1425 UM001A EN P January 2012 Introduction PowerMonitor W250 Modbus Software Interface This chapter describes the parameters and the registers available for software development Data is presented using Modbus RTU protocol in Holding Chapter 3 Registers Modbus register addresses listed in these tables are zero based Modbus client applications may require that you add a constant valu
45. read from register 222 and written into register 349 The PowerMonitor W250 unit uses a default value of 30 s value 300 Rockwell Automation Publication 1425 UM001A EN P January 2012 45 Chapter 3 Software Interface PC Receiver Modbus Registers Table 26 Online Device Matrix These registers hold information about the PC Receiver and the wireless network Table 25 PC Receiver Register Table Modbus Register Description Storage Type Read Write 0 Group ID V U16 R 1 PC Receiver device ID V U16 R 2 17 Online device ID list bitmap including the PC V U16 R Receiver ID 18 Total online device count V U16 R 19 20 Network UTC time V U16 R W 37 PC Receiver firmware version major number V U16 R 38 PC Receiver firmware version minor number V U16 R 39 PC Receiver firmware version revision number V U16 R 40 44 Reserved for future use V U16 45 Radio channel number 11 26 V U16 R W Comments on PC Receiver Register Table The following sections provide comments on the PC receiver register table Active End Node List registers 2 17 Register Device Modbus Address 1 Active 0 Inactive Bit 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 240 241 242 243 244 245 246 247 3 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 4 208 20
46. rgy Usage Data Register 0 23 These registers contain the raw unscaled total consumed energy measured by the PowerMonitor W250 unit The scaling factors listed in the next section must be applied to obtain energy values in the applicable engineering units of wH VARh and VAh The energy counter time stamp indicates when the data is sent to the gateway Energy usage data increments positive for energy consumed and negative for energy generated Real reactive and apparent energy consumption values are stored as 32 bit integer values using two Modbus registers The lower register address contains the high most significant word MSW the higher register contains the low least significant word value LSW See Scaling Factors for information on scaling the raw energy values in these registers Table 16 Energy Counters 0 2 22 MSW 1 3 23 LSW Rockwell Automation Publication 1425 UM001A EN P January 2012 37 Chapter 3 Table 17 For All PowerMonitor W250 Models Except 480 Models with External 24V DC Control Power up to 300V AC rms Software Interface Scaling Factors To obtain correct metering results divide the raw values obtained from the listed Modbus registers by the applicable scaling factor from Table 17 and Table 18 Current Range 100A 200A 500A 1000A 2000A Real Energy Wh Intvl 3 2 1 6 0 64 0 32 0 16 Real Energy Wh Counter 0
47. s Please contact your local Rockwell Automation representative for the return procedure Documentation Feedback Your comments will help us serve your documentation needs better If you have any suggestions on how to improve this document complete this form publication RA DU002 available at http www rockwellautomation com literature Rockwell Otomasyon Ticaret A S Kar Plaza Merkezi E Blok Kat 6 34752 erenk y stanbul Tel 90 216 5698400 www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Middle East Africa Rockwell Automation NV Pegasus Park De Kleetlaan 12a 1831 Diegem Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 1425 UM001A EN P January 2012 Copyright 2012 Rockwell Automation Inc All rights reserved Printed in the U S A
48. signal strength and maximum distance between nodes Usually floors are most difficult for radio frequency signals to penetrate due to materials used for example concrete cement and tiles So consider placing routers in stairways and other open spaces available between floors 16 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Effect of Different Materials on Signal Strength and Maximum Node to node Distance Glass sheet rock and wood have the least impact to the RF signal Steel reinforced concrete brick walls and corrugated steel surfaces are much more difficult for the RF signal to penetrate The maximum node to node distance could be cut in half compared to the unobstructed maximum distance In any case the maximum distance between two nodes depends on the geometry of the signal path and the number thickness and composition of any obstructions Metal blocks virtually all radio communication RF transmission through metal is facilitated by openings slits holes and gaps in the metal Network Topologies The robustness and reliability of communication between PowerMonitor W250 devices and RSEnergyMetrix software or other clients depends primarily on network RF signal strength In turn RF signal strength is dependent upon the topology of the network In general a mesh network topology that provides parallel links between devices provides better RF signal strength resulting
49. t register 43 45 The rms current is averaged over 10 cycles 200 mS in a 50 Hz system 167 ms in a 60 Hz system The maximum average current in each phase measured during the recording interval is kept in registers 43 45 Minimum Voltage register 46 48 The rms voltage for each phase is averaged over 10 cycles The minimum voltage value measured during the recording interval is kept in registers 46 48 Model Configuration register 49 15 14 13 12 11 10 09 108 07 06 05 04 03 02 01 00 Bit Number Not Used Reserved Connection Diagram Voltage A Range O O O 4 wireWye O O 300V Maximum Rated Current 1 1 1 3 wire Delta 0 1 520V Maximum 0 1 010 lioa 0 1 0 1 200A 011 1 0O 500A 110 00 1000A 1 0 1 0 2000 A Rockwell Automation Publication 1425 UM001A EN P January 2012 Software Interface Chapter 3 Firmware Revision register 50 The firmware revision reflects the major release number of the PowerMonitor W250 firmware The high byte of this register contains the version number The low byte of this register contains the revision number Status Word register 51 The Status Word indicates through a bit map the status items shown in the diagram 15 14 1312 11 10 09 08 07 06 05 04 03 02 01 00 Bit Number Reserved
50. tents of the message sent to the PowerMonitor W250 unit IMPORTANT When changing the interval time the PowerMonitor W250 unit 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 Zero Power Detection register 70 This register defines a Zero Power Multiplier integer value between 0 10 with a default value of 3 The formula below utilizes this value to define a Zero Power Threshold below which the power monitor will consider the value as zero A value of less than 3 for the multiplier is not recommended The Zero Power Threshold level expressed in watts is then Zero Power Multiplier 8 8 Interval Energy Scaling Factor For instance considering a PowerMonitor W250 100 device Zero power threshold 3 8 8 3 2 8 25 watts When the measured value of power is less than the zero power threshold Real Reactive and Apparent Energy registers do not increment and the Maximum Current registers are set to 0 Rockwell Automation Publication 1425 UM001A EN P January 2012 Software Interface Chapter 3 RF Communication Configuration and Status Modbus Register Table This table lists the common registers
51. ter or similar device TIP To connect to a USB port the Allen Bradley 9300 USBS USB to serial adapter or equivalent is recommended Please contact your local Rockwell Automation representative for more information Figure 12 Connect the PC Receiver Data Port to the Personal Computer Router Location and Connection Router location and orientation is important The router is designed to be mounted horizontally The radio antenna on the router transmits in a horizontal circular pattern when the signal path is not obstructed The following guidelines help you locate router devices to attain acceptable radio signal strength and system performance It is best to mount routers in a horizontal orientation It is less desirable but acceptable to orient one router horizontally and another vertically It is not recommended to orient all routers vertically unless doing so intentionally to route the radio signal vertically through a stairway chase or elevator shaft Mount power monitors ina vertical orientation Avoid locating a router directly underneath a PowerMonitor W250 device The internal electronic circuitry in the power monitor may obstruct the radio signal Avoid installing routers directly onto a horizontal metal surface Use spacers to create a free space of 3 5 mm between the router and the metal surface When the radio signal must penetrate an obstruction such as a concrete wall locate network devices routers and
52. ter with wireless communication The following illustration highlights its major components Table 1 PowerMonitor W250 Major Components Item Description 1 Status indicator Operation of the status indicator is described on page 31 2 Antenna location 3 DIN rail mounting fixture 4 Product identification label Identification 5 Current transformer CT or Rogowski coil 6 Voltage input terminals Figure 5 PowerMonitor W250 Unit PowerMonitor W250 Unit with Current Transformers CT PowerMonitor W250 Unit with Rogowski Coils Rockwell Automation Publication 1425 UM001A EN P January 2012 9 Chapter 1 Table 2 Model Description PowerMonitor W250 Unit Overview PowerMonitor W250 Data Overview The PowerMonitor W250 unit sends data to the wireless receiver periodically The meter data is split into three sections e Cumulative Energy Consumption Metering Data The power monitor transmits accumulated real reactive and apparent energy per phase and total once per minute The transmission is accompanied with the time stamp of the most recent reading e Interval Metering Data The power monitor sends at the end of the user selected interval a time stamped record of the following data real reactive and apparent energy per phase and sum minimum voltage per phase and maximum current per phase during recording interval frequency e Node Identification Confi
53. used by all devices power monitors routers and PC receiver Table 22 RF Communication Configuration and Status Modbus Register Description Type Length Storage Unit Access 201 Hop count U16 V R 202 First hop ID U16 V R 203 Last hop ID U16 V R 204 RSSI high byte and Supply U16 V R voltage low byte 220 Device ID high byte and U16 NV R low byte 221 Group ID high byte and U16 NV R low byte 222 Sampling interval U16 NV R 224 Network channel 11 26 U16 NV R 347 Device ID high byte and U16 NV See warning below low byte 348 Group ID high byte and U16 NV See warning below low byte 349 Sampling interval U16 V 351 Network channel 11 26 U16 NV W A WARNING Do not change the value of the Device ID or Group ID registers 347 and 348 Doing so will cause the device to drop off the network and require factory service to restore operation Table 23 Information for Table 22 Term Description Comments NV Nonvolatile Value is restored after a power cycle V Volatile Value is not restored after a power cycle U16 Unsigned 16 bit INT Range 0 65 535 High byte Bits 8 15 Low byte Bits 0 7 Rockwell Automation Publication 1425 UM001A EN P January 2012 43 Chapter 3 Software Interface Comments on RF Communication Configuration and Status The following sections provide comments on the RF communication configuration an
54. user is encouraged to try to correct the interference by one of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e 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 user s 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 _ FCCRadiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body This transmitter must not be co located or operating in conjunction with any other antenna or transmitter Rockwell Automation Publication 1425 UM001A EN P January 2012 Certifications Chapter 4 e Industry Canada statement This device complies with RSS 210 of the Industry Canada Rules Operation is subject to the following two conditions 1 This devic
55. well Automation for assistance if you need to change the node ID of a device In a wireless mesh network messages may be received and retransmitted by several devices depending on the design and layout of the network Each wireless retransmission between the power monitor and the PC Receiver through one or more Routers is called a hop When operating the network automatically selects the path with the least hops through routers if it is available Strategies to design the wireless network to increase robustness and overcome challenges presented by the environment are discussed in Chapter 2 Hardware Installation Each PowerMonitor W250 unit and the PC Receiver are equipped with a radio module The PC Receiver buffers in its RAM the metering values received from the power monitors The measurement values of the PowerMonitor W250 unit are buffered in the PC Receiver s RAM When a Modbus master station reads data from PowerMonitor W250 registers it reads the buffered values from the PC Receiver However when a Modbus master station transmits a command to a power monitor the command is forwarded to the power monitor A delay of 2 4 minutes may occur until the PC Receiver transmits the response message Rockwell Automation Publication 1425 UM001A EN P January 2012 13 Chapter1 PowerMonitor W250 Unit Overview Notes 14 Rockwell Automation Publication 1425 UM001A EN P January 2012 Safety Considerations Before You B
56. wer supply wires to a 24V DC power supply you provide e Brown 24V DC e Black V DC common The power supply output must be in the range of 21 6 26 4V DC and should not supply power to any devices except for other nearby PowerMonitor W250 units Connect the green yellow wire to a low impedance earth ground connection 30 Rockwell Automation Publication 1425 UM001A EN P January 2012 Hardware Installation Chapter 2 Status Indicator Description The PowerMonitor W250 status indicator indicates the unit status as follows Figure 23 PowerMonitor W250 Status Indicator Status Indicator Table 10 Status Indicator Description Indicator Status 1 blink wait 2 seconds Description Normal operation and direct serial communication mode from firmware revision 2 02 2 blinks wait 1 second Radio module communication error PowerMonitor W250 unit is unable to send data 3 blinks wait 1 second Frequency out of range of 45 66 Hz 4 blinks wait 1 second Communication and frequency error together 5 blinks wait 1 second Device Error Indicates a firmware checksum error To recover try a reset meter command followed by an OFF ON sequence If this does not reset this error the calibration memory is corrupt and the device needs to be returned to Rockwell Automation for repair 6 blinks wait 1 second Direct serial communication mode factory use only until firmware revision 2 01
57. x03 e Write Multiple Registers 0x10 IMPORTANT Response of a write command will always be an acknowledge response To verify if a write command is successful poll the register that it was written to The PC Receiver will respond to a write command with an acknowledge exception code 0x05 This indicates the server or slave has accepted the request and is processing it but a long duration of time will be required to do so This response is returned to prevent a time out error from occurring in the client or master The client or master can next issue a Poll Program Complete message to determine if processing is completed From the Modbus Application Protocol Specification v 1 1b December 28 2006 Rockwell Automation Publication 1425 UM001A EN P January 2012 Software Interface Chapter 3 Network Identification of PowerMonitor W250 Each of the PowerMonitor W250 units has a unique 16 bit Device ID which is printed on the label in the form of High Byte Low Byte The low byte of the Device ID is the device Modbus address Modbus Communication Reference The PowerMonitor W250 units are seen as Modbus slaves through the PC Receiver The maximum size of a Modbus RTU frame is 256 bytes A Modbus request has the following general format Table 27 Modbus Request Format Description Slave Address CRC Byte Count 4 typical see below 2 LSB MSB Read Holding Registers Function code 0x03 Table 28 Mast

PowerMonitor Wireless 250 Monitor User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents