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ABB CMS-700, User Manual

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58

CMS-700 SYSTEM 

CIRCUIT MONITORING SYSTEM (CMS)

—

Simple Network Management Protocol – SNMP

Examples
Some examples of usage on the Linux system using snmpget program from NET-SNMP  
package are presented below. The ‘#’ is the Linux command prompt.

SNMPv1
# snmpget -v1 -c password 192.168.1.200:8002 SNMPv2- MIB::sysUpTime.0
SNMPv2-MIB::sysUpTime.0 = Timeticks: (38471) 0:06:24.71

# snmpget -v1 -c password 192.168.1.200:8002 NET-SNMP-EXTEND- MIB::nsExtendOutputFull.\"TRMSs
ensAll\"NET-SNMP-EXTEND-MIB::nsExtendOutputFull."TRMSsensAll" = STRING:  
1 5 1 4 9 0 7 0 7 6 13 8 2 13 4 0 1 5 0 7 1 6 1 14 0 8 0 0 2 1 1 0
32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767
32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767
32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767
32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767
32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767
32767 32767 32767 32767 32767 32767 32767 32767 32767

SNMPv2c
# snmpget –v2c -c password 192.168.1.200:8002 

 

SNMPv2- MIB::sysName.0
SNMPv2-MIB::sysName.0 = STRING: CMS700
# snmpget –v2c -c password 192.168.1.200:8002 NET-SNMP-EXTEND-MIB::nsExtendOutputFull.\"TRMS
sens1\"NET-SNMP-EXTEND-MIB::nsExtendOutputFull."TRMSsens1" = STRING: 0

SNMPv3
# snmpget -v3 -e 98467c434675 -u CMSuser -a MD5 -A "v3password" - x DES -X "v3password" -l authPriv 
192.168.1.200:8002 SNMPv2- MIB::sysDescr.0
SNMPv2-MIB::sysDescr.0 = STRING:
ABBCircuitMeasurementSystemCMS700
# snmpget -v3 -e 98467c434675 -u CMSuser -a MD5 -A "v3password" - x DES -X "v3password" -l authPriv 
192.168.1.200:8002 NET-SNMP- EXTEND-MIB::nsExtendOutputFull. \"BranchNamesens1\"
NET-SNMP-EXTEND-MIB::nsExtendOutputFull."BranchNamesens1" = STRING: Sensor 1

Summary of Contents for CMS-700

Page 1: ...g Products www abb com lowvoltage 2CCC481011M0201 Rev B January 2018 Copyright 2018 ABB All rights reserved Due to possible changes in design and materials the features and sizes contained in this catalog are to be considered as binding only after confirmation by ABB ...

Page 2: ...ncy at branch level for optimal load distribution Measurements of all kinds of currents DC AC or mixed up to 160A Simplified installation thanks to quick mounting of sensors Smart commissioning in only a few minutes Easy retrofitting and upgrades thanks to the flexible modular design ...

Page 3: ......

Page 4: ...ts and Events definition 014 Memory architecture 015 018 Components of CMS system 019 022 Installation Guide 023 024 Wiring diagrams 025 028 Initial Commissioning 029 031 Web User Interface Overview 031 045 WEB UI Settings Menu 046 050 WEB UI Home Menu 051 055 Modbus 056 058 Simple Network Management Protocol SNMP 059 063 Modbus and SNMP Mapping 064 FAQ Table of contents ...

Page 5: ...4 CMS 700 SYSTEM CIRCUIT MONITORING SYSTEM CMS ...

Page 6: ...may appear in this document ABB Ltd is not liable under any circumstances for any direct indirect special incidental or consequential damage of any kind that may arise from using this document ABB Ltd is also not liable for incidental or consequential damage that may arise from using the software or hardware mentioned in this document Brand ABB Ltd is a registered trademark of ABB Group All other ...

Page 7: ... in which the device is housed The correct use of this device depends on a correct manipulation installation and use Failure to adhere to the basic installation information can lead to injuries as well as damage to the electric instruments or to any other product The tests carried out at a high voltage can damage the device s electronic components Disposal Defective devices must be disposed of as ...

Page 8: ...S 7 Packaging contents Attention The following items are not included in the delivery of the product 1 CMS Sensors 2 Current transformer CT 3 CMS BUS 4 Connector set Control unit CMS 700 Installation manual CMS 700 control unit Energy Monitor 96 ...

Page 9: ...Product overview Intended use The system consists of a control unit and sensors with different measurement ranges The sensors measure alternating direct and mixed currents TRMS and get connected to the control unit by a flat cable the CMS Bus The measurement data can be displayed or analyzed via LAN interface with the integrated web server or Modbus TCP or SNMP protocols or via RS485 interface suc...

Page 10: ... resets the device to the factory settings Do not switch off the device during the reset process LEDs Two LEDs indicate respectively the status of the device and the one of the network 1 LED Status Display Function Off Device is off Green on Device is ready Green flashing slowly Firmware is ready Web server is loading Orange flashing slowly Firmware update ongoing Orange on Booting Red on Booting ...

Page 11: ...1 sec Operating temperature C 25 60 Storage temperature C 40 85 LAN RJ45 connector Mbit s 100 Modbus RTU Baud RS485 2 wire 2400 115200 Cable cross section 1 0 2 5 mm max 0 8 Nm Stripping length mm 10 Tightening torque of screws Nm 0 5 0 8 Mounting DIN rail 35 mm DIN50022 Dimensions mm 160 0 x 87 0 x 64 9 9 DIN modules Overvoltage category II Pollution degree 2 Altitude m 2000 Safety class IP20 Mai...

Page 12: ...CMS 700 SYSTEM CIRCUIT MONITORING SYSTEM CMS 11 Product overview Overall dimensions 162 87 61 2 25 20 45 7 22 43 6 58 1 6 1 3 ...

Page 13: ...ent A ITRMS IAC IDC Current TRMS AC DC A Measured mains values used for calculation UMAINS Voltage V UMAINS Voltage V PF Power Factor PF Power Factor manual configuration is possible THD Voltage Current Calculation of Power active W apparent VA reactive var PSENS Active power W PSENS UMAINS IAC PF Energy kWh EnergySENS kWh Attention Referring to the diagram in the figure aside please note that N o...

Page 14: ...oss Resolution Format L1 L2 L3 N Status up down Threshold no Alarm 0 x x x x I A 11 up 0 01 unsigned x x x x I A 12 down 0 01 unsigned x x x x THD I 21 up 0 01 unsigned x x x x THD I 22 down 0 01 unsigned x x x x U V 31 up 0 01 unsigned x x x U V 32 down 0 01 unsigned x x x THD U 41 up 0 01 unsigned x x x THD U 42 down 0 01 unsigned x x x P W 51 up 1 singed x x x P W 52 down 1 singed x x x S VA 61...

Page 15: ... Apparent power VA L1 L2 L3 Reactive power VAR L1 L2 L3 Active power summation W Apparent power summation VA Reactive power summation VAR Active energy Wh L1 L2 L3 Apparent energy VAh L1 L2 L3 Branches Current TRMS AC DC A Active power W Active energy Wh These values of the respective stacks can be exported as a CSV file and pulled into an FTP or sent by e mail Time reference The measured values a...

Page 16: ...ransformer for secondary winding nominal 5 A max 6 A Control Unit CMS Sensor Components of CMS system Sensor LED Status ON Sensor is online and in measurement mode There is a feature in the configuration to switch off the LED after a specified time OFF Sensor is not connected to CMS Bus or is switched off in the configuration Flashing slowly Sensor is not assigned Flashing fast Sensor in assign pr...

Page 17: ...0DR CMS 120CA CMS 121xx 40 A CMS 121PS CMS 121LA CMS 121FH CMS 121DR CMS 121CA CMS 122xx 20 A CMS 122PS CMS 122LA CMS 122FH CMS 122DR CMS 122CA Solid core sensors AC accuracy of 0 5 18 mm overall width CMS 100xx 80 A CMS 100PS CMS 100S8 CMS 100DR CMS 100CA CMS 101xx 40 A CMS 101PS CMS 101S8 CMS 101DR CMS 101CA CMS 102xx 20 A CMS 102PS CMS 102S8 CMS 102DR CMS 102CA 25 mm overall width CMS 200xx 160...

Page 18: ... on the number and shape of sensors Maximum flat cable length in m Number of sensors Solid core sensors Open core sensors 32 4 5 7 5 28 5 0 8 5 24 6 0 10 0 20 7 0 12 0 16 8 5 15 0 12 11 0 20 0 8 16 0 30 0 Do not exceed a total flat cable length of 32m for all CMS Bus lines for each control unit Flat cables longer than approx 15m could require a 120Ω terminating resistor between the two inner wires...

Page 19: ...M CIRCUIT MONITORING SYSTEM CMS Components of CMS system Connector Set The CMS 820 connector set contains connector housings and connectors to connect the flat cable to the sensors 35 x connector housing 35 x connector ...

Page 20: ...n carried out according to these user instructions Furthermore the instructions in the manual must be observed Authorized Personnel Assembly connection and removal work should only be carried out by authorized and qualified personnel Assembly on 35mm DIN Rail The CMS 700 can be mounted on all 35mm DIN rails DIN50022 The device can be installed for single or three phase use When available connect t...

Page 21: ...iers Repeat the process at all other marks Use the connectors only once Connect max 96 sensors to each CMS Bus interface of the control unit Consider the maximum flat cable length Flat cable should not exert force on the sensor otherwise measuring errors may occur Keep a distance of 5 5mm minimum between the flat cable and uninsulated live parts Position of the Cable The cable must not bend direct...

Page 22: ...ening of the sensor into the installed device The cable has to be insulated within the sensor 3 Then tighten the screw 1 Insert the sensor on the existing device in order to have the cable passing through the opening of the sensor 2 Snap the adapter of the sensor on the upper screw hole of the already installed device Installation Guide Mounting Sensors on DIN Rails Sensors can be mounted on all 3...

Page 23: ... Connection Finally connect the CMS Sensors to the control unit Plug in the cable check the correct connection direction Picture to the right Mounting of cable tie sensors The cable should not exert force on the sensor otherwise measuring errors may occur 1 Insert the cable into the installed device through the opening on the sensor 2 Fix the cable with a cable tie ...

Page 24: ...reaker must be suitably located and easily reachable and must be marked as the disconnecting device for the CMS 700 Disconnection from mains or connection to mains Switch off circuit breaker or switch before disconnecting from the mains supply or connecting to the mains supply Same applies for all other connections L1 L2 L3 N Attention The installation and the cabling of the device must be carried...

Page 25: ...phases L1 L2 L3 Attention CT output should not be connected to the earth It is not possible to connect more than one CMS 700 in series with the same CT Attention Please referring to the diagram in the figure aside notice that N on the supply has to be connected in order to avoid damage of the device Attention Make sure that N is not mixed up with the phases L1 L2 L3 Attention CT output should not ...

Page 26: ...connection via router Direct LAN connection Additionally all data are available through serial port Modbus RTU RS485 Static access with default factory setting Details 1 Access to web user interface with default IP of control unit 192 168 1 200 8000 2 Define static IP address for PC for example Make sure the IP address in the assigned LAN is not used twice If it is used twice an adjustment is requ...

Page 27: ...P the system administrator can read the IP address assigned to the CMS 700 device by DHCP on the router For network connection an access with static address may be necessary in the first step IP Address 192 168 1 200 8000 Subnet Mask 255 255 255 0 To increase system security CMS 700 will not respond to an ICMP echo request ping Therefore it is invisible to ICMP based network scanners LAN connectio...

Page 28: ...eed to configure the LAN interface with a static IP address Using the example of Windows the following shows the configuration steps Select Control Panel Network and Internet Network and Sharing Center Change Adapter Settings Select on Local Area Connection with right mouse button Properties Select Properties or type in the search bar of the Start button View Network Connections ...

Page 29: ...2 168 1 200 1 5 and Subnet Mask 255 255 255 0 and confirm with OK Make sure that the IP address on the LAN is not already taken In case it is taken adjustments are necessary 192 168 1 x x 2 199 201 255 Now connect your device to the CMS 700 control unit Select Internet Protocol Version 4 TCP IPv4 Initial Commissioning ...

Page 30: ...umber 8000 Factory settings with Fallback IP 192 168 1 200 8000 Fallback login username admin password admin Please note that the control unit uses a secure https connection and port 7999 First it is necessary to confirm the secure connection Later on you won t be asked to confirm it provided that you upload the SSL Certificate as described in the dedicated section After login you will be asked to...

Page 31: ...cal Values Energy Mains Groups Branches Events Online Events Historical Events Mains Mains Settings Branches Branches Settings Data export Mains Events E mail FTP Email FTP Communication IP SNMP Modbus Events Events settings SSL Certificate Upload Creation Other Language Time Password FW Update System CMS 700 Web Ul Structure Home Area Settings Area Home Menu Setting Menu Submenu Logout Button Exp...

Page 32: ...e saved it is recommended to carry out a safe shutdown after changing any settings and then restart the system Settings menu Other System reset The CT ratio for L1 L2 L3 has to be the same while it can be different for N The CT ratio is calculated dividing the primary rated current by the standard secondary current 5A Current of mains are measured by CTs Setting the external CT Ratio Setting the m...

Page 33: ...the sensor and define its new ID number Branch Definitions ID Sensor identification number at this time it cannot be modified Phase Selects the corresponding branch phase for the calculation of branch active power and energy Group Defines the name of a parent group through the selection of an existing group or definition of a new group up to 96 group names Branch Defines the name of the branch It ...

Page 34: ...0 minutes since the first event occurance and only in case event conditions are still ongoing When adding a new event please set the following Mains Branches Select whether the event shall be created for mains or branches Owner Select main line or the branch name For branches it is possible to create the same event for several branches by selecting Add many option Value It identifies the quantity ...

Page 35: ... you would like to receive notifications Export option Two options can be selected One export and Perodic exporting Export via email if selected mains and branches values will be exported as csv file by email Please note that email configuration is needed Export via FTP if selected mains and branches values will be exported as csv file by FTP Please note that FTP configuration is needed Data stack...

Page 36: ...ettings Menu E mail FTP Settings for contact details E mail and FTP settings are needed in order to carry out e mail and FTP data export Please make sure that no firewall will block the export Make sure communication on SMTP port 587 or 465 SSL is allowed in your network ...

Page 37: ...tic Note With DHCP you can find and define an IP address via the router by MAC address or device name CMS 700 The fallback IP address is 192 168 1 200 8000 IP Address Current IP address of device or possibility to define a new IP address Subnet Mask Current Subnet Mask or possibility to define another Subnet Mask Gateway Current Gateway or possibility to define another Gateway Address DNS Server D...

Page 38: ...ble versions 1 and 2c mark the v 1 2c checkbox enter port number and password for the protocol The port number must be 161 or greater than 1024 The SNMP service is working on UDP port so there is no port collision with the Modbus or web service which are working on TCP ports The password must have at least 5 signs In versions 1 and 2c authentication is only by the password which is not encrypted M...

Page 39: ...161 or greater than 1024 The password for version 3 must have at least 8 signs while the engine ID must have at least 12 characters in hexadecimal format To access data using SNMPv3 the authenticated and encrypted request must be sent The authentication is performed by username and password For the authentication the MD5 protocol is used Messages are additionally encrypted with the DES algorithm P...

Page 40: ...ss to both Modbus TCP and RTU settings Modbus TCP It is possible to enable or disable the corresponding communication protocol and to change the TCP port Modbus RTU Modbus ID baud rate and parity fields can be configured here Due to cyber security port numbers 1025 are not allowed Ports 8000 and 7999 are instead reserved for web service ...

Page 41: ...rder to provide a secure connection via the web browser Upload It is possible to browse upload or download the currently in place certificate For this purpose please push the browse button select pem file push the upload button and wait for the uploading to finish After a successful uploading process the web server reboots It is also possible to download a currently used certificate by clicking do...

Page 42: ...d button After configuration of domains IP addresses table please click the Generate button When the generating process finishes the web server reboots and due to a certificate change the page has to be reloaded manually Follow the passages reported below to import the downloaded certificate into your web browser Certificate Import Wizard It is necessary at first to open the Certificate Import Wiz...

Page 43: ...2 CMS 700 SYSTEM CIRCUIT MONITORING SYSTEM CMS WEB UI Settings Menu Settings Menu Language Currently the Web User Interface supports the following languages English German Polish French Japanese Russian ...

Page 44: ...anually set the time In Google Chrome and Opera web browsers please push the down arrow for date selection using calendar while in other web browsers please enter the date directly in the input field If an NTP Server is available you can set the IP address Time Server 1 Time Server 2 for automatic time synchronization In this case the synchronization procedure can take up to 10 minutes Check the i...

Page 45: ...ercase letter and one number It is highly recommended to update the firmware to the latest version for security and functionality reasons Please check the ABB website for current SW revision and to download the latest version of the firmware After browsing the downloaded file please use the Update file button to submit the new firmware to the device In addition you can find the installed firmware ...

Page 46: ...e current settings to restore the default settings and to carry out a safe shutdown After any change in the settings we recommend you to do a safe shutdown To do so push the Shutdown button If the Status LED is shining green without flashing and if the network LED is out you can turn off the power supply For starting the device turn on the power supply The CMS 700 will automatically start ...

Page 47: ...easured values online or historical values depending on the time frame energy consumptions of mains groups and branches and events online or historical depending on the time frame Using the Export button you have the possibility to manually download the data in the defined range Start End Resolution as a CSV file In Google Chrome and Opera web browsers it is necessary to push the down arrow for da...

Page 48: ...S 700 SYSTEM CIRCUIT MONITORING SYSTEM CMS 47 WEB UI Home Menu Note If no graph is visible it is necessary to synchronize the device time with the Set time manually button in the Settings Other Time menu ...

Page 49: ...alize both Online values and Historical values for the Branches Sensors for branch measurement have to be first assigned and configured please refer to Settings menu Branches User selection User can choose between Current and Active Power Resolution period of time resolution and period of time of historical values depend on available buffer size ...

Page 50: ...ined groups For Branches energy visualization is divided per sensor filtering by phases and or groups is possible For all energy consumptions a starting end and resolution time have to be defined Select a start and end of period Resolution and period of time of history values for the plot view is dependent from available buffer size Select a start and end of period Info International standard for ...

Page 51: ...esired value from drop down lists Event status is updated automatically every second to obtain new event occurrences there isn t needed a reload of page In the Historical events page it is possible to visualize and export occurrences according to user defined start and end date time Home Menu Energy Mains Groups Branches The Energy Branches Menu displays active energy values for each individual se...

Page 52: ...tire message frame must be transmitted as a continuous string of characters If a silent interval of more than 1 5 character times occurs between two characters the message frame is declared as incomplete and should be discarded by the receiver Modbus Data Encoding Modbus uses a big endian allocation for addresses and data items This means that when a numerical quantity larger than a single byte is...

Page 53: ...n 700K1820000 Control unit s MODBUS ID Modbus RTU CMS Systems You can connect up to 247 control units to one Modbus RTU line Each control unit must have a unique Modbus ID address Function Code Read operation on registers with access code R or RW is defined by function 03h Read Holding Registers Write operation on registers with access code W or RW is defined by function 06h Write Single Register ...

Page 54: ...rd register for current values unsigned 16 bit unsigned integer notation resolution 0 01 A signed 6 bit signed integer notation resolution 0 01 A 0000h 7FEFh 0 00 327 51 A 8000h FFFFh 327 66 0 01 A Note 2 Format of double word register for branch power and energy values unsigned 32 bit unsigned integer notation signed 32 bit signed integer notation Code Name Description 01h Illegal function Functi...

Page 55: ...w sensor Write operation on this register starts or stops fast LED blinking of one specified sensor for diagnostic purpose Modbus Special values Meaning FFFF 7FF0h Data pending acquisition in progress FFFF 7FF1h FFFF 7FFBh Reserved FFFF 7FFCh The sensor is known but not accessible at the moment FFFF 7FFDh Data type TrueRMS AC DC is disabled FFFF 7FFEh Overload beyond full range FFFF 7FFFh Forbidde...

Page 56: ...ify a known Sensor ID Example 0x1017 means Start fast LED blinking of Sensor with ID 23 When Sensor is addressed correctly common response will follow When the Sensor ID is not used in the system and exception response with Modbus exception code 03h Illegal data value will follow If fast LED blinking was already active it will be stopped Return to normal display content is possible by sending the ...

Page 57: ...e system Historical data in the device is stored with a resolution of 10s Special values for error codes In a fail situation you get error codes Values with special meanings for branch current values one word 16bit are summarized below Special values Meaning 7FF0h 32752d Data pending acquisition in progress 7FF1h 32753d 7FFBh 32763d Reserved 7FFCh 32764d The sensor is known but not accessible at t...

Page 58: ...tendOutputFull object the var field is one of variables defined in table Modbus and SNMP Mapping for example NET SNMP EXTEND nsExtendOutputFull TRMSsens1 To return all TRMSsens values in a single snmpget request please use the TRMSsensAll variable name SNMP Object Identifier SMI Data Type SMI Data Type Example Value SNMPv2 MIB sysDescr 0 STRING ABBCircuitMeasurementSy stemCMS700 SNMPv2 MIB sysUpTi...

Page 59: ...32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 32767 SNMPv2c snmpget v2c c password 192 168 1 200 8002 SNMPv2 MIB sysName 0 SNMPv2 MIB sysName 0 STRING CMS700 snmpget v2c c password 192 168 1 200 8002 NET SNMP EXT...

Page 60: ...ns2 1 0 01 A unsigned R 03 045F 1 119 1 TRMS min value of Sensor 96 0 01 A unsigned R 03 MINTRMSsens96 0500 1 280 1 AC min value of Sensor 1 0 01 A unsigned R 03 MINACsens1 0501 1 281 1 AC min value of Sensor 2 0 01 A unsigned R 03 MINACsens2 1 0 01 A unsigned R 03 055F 1 375 1 AC min value of Sensor 96 0 01 A unsigned R 03 MINACsens96 0600 1 536 1 DC min value of Sensor 1 0 01 A signed R 03 MINDC...

Page 61: ...112 16 SID version bus line of sensor 2 special R 03 SIDsens2 16 special R 03 15F0 5 616 16 SID version bus line of sensor 96 special R 03 SIDsens96 Polarity of sensors for DC currents 2000 8 192 1 Polarity of sensor 1 special RW 03 06 10 POLsens1 2001 8 193 1 Polarity of sensor 2 special RW 03 06 10 POLsens2 1 special RW 03 06 10 205F 8 3287 1 Polarity of sensor 96 special RW 03 06 10 POLsens96 C...

Page 62: ...r Factor of Sensor 2 0 01 unsigned RW 03 06 PowerFactorSens2 1 0 01 unsigned RW 03 06 735F 29 553 1 Power Factor of Sensor 96 0 01 unsigned RW 03 06 PowerFactorSens96 Alarm Event Status only Status 8000 32 768 1 Number of current alarms unsigned R 03 8001 32 769 1 Alarm Status Branch 1 unsigned R 03 8002 32 770 1 Alarm Status Branch 2 unsigned R 03 1 unsigned R 03 8060 32 864 1 Alarm Status Branch...

Page 63: ... L2 1 VAr signed R 03 qL2 903C 36 924 2 REACTIVE POWER L3 1 VAr signed R 03 qL3 903E 36 926 2 3 PHASE SYS ACTIVE ENERGY 0 01 Wh unsigned R 03 wh3 9040 36 928 2 3 PHASE SYS REACTIVE ENERGY 0 01 Varh unsigned R 03 qh3 9074 36 980 2 ACTIVE ENERGY L1 0 01 Wh unsigned R 03 whL1 9076 36 982 2 ACTIVE ENERGY L2 0 01 Wh unsigned R 03 whL2 9078 36 984 2 ACTIVE ENERGY L3 0 01 Wh unsigned R 03 whL3 907A 36 98...

Page 64: ...PHASE SYS REACTIVE ENERGY 100varh 100 varh unsigned R 03 qh3 100 90BE 37 054 2 APPARENT ENERGY L1 100VAh 100 VAh unsigned R 03 shL1 100 90C0 37 056 2 APPARENT ENERGY L2 100VAh 100 VAh unsigned R 03 shL2 100 90C2 37 058 2 APPARENT ENERGY L3 100VAh 100 VAh unsigned R 03 shL3 100 90C4 37 060 2 3 PHASE SYS APPARENT ENERGY 100VAh 100 VAh unsigned R 03 sh3 100 9088 37 000 2 CURRENT THD L1 0 01 unsigned ...

Page 65: ... and then subtract the last value previous 15 minutes 3 Max energy value The max energy value for the mains and the individual branches is 429 496 kWh each 4 Modbus Modbus values can be read in blocks The Modbus protocol recognizes the Read Holding Register 03h function code This means that the start address start register and the number of registers to be issued are defined see p 40 Read ongoing ...

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