User Manual
Contents
1. BACnet M Bus BACnet Modbus Modbus M Bus Kara Gateway User s MANUAL Kara Systems www karasystems eu Version 2 2 40 Kara BACnet Gateway Page 1 User s Manual Kara BACnet Gateway Page 2 USER S MANUAL TABLE OF CONTENTS 1 GENERAL INFORMATION lt a dada 4 1 1 M BUS orie A ias 4 1 2 INTO US ci a a A 4 1 3 DATO oc 4 1 4 Kara BACnet Modbus M Bus GateWay occcccccccccccccccccncccncncncccnnccccncncncnccccncccnccccccccccccccccccccncss 4 Pat MeBu stoB CncEGalemay sas ah elected as cd 5 1 4 2 MeBIS to Modbas Serra a de db dd da bos 5 1 4 3 Modbus Chentdo BAC ie tsar lla a a Da OR bios 5 1 4 4 SCS EVA EO sia E IN OR ae cman Naa au 6 2 OTAWINT Cas eat a ala 7 2 1 Serial Porta A nr pe DET REP Sitel Sa 7 2 2 R5S485 Port optional an isa cs ans rE A aa Ga aan 7 3 Instalada adas sde 8 3 1 Ethemef LAN caia da Cia Sante doida E a a a a eT ina 8 3 2 BA CHEE Conhigurationl sanar Raia a en adia aa unia 12 3 2 1 PA De ESTA AA ae a e el dd en cera eses e 12 3 2 2 BACnet Broadcast Management Device BBMD ooocncnnnnnncncncnncnnonononcnnnnnnnnnnnnnnnnnonononnnannnnnnnnnnnnnnnnnos 13 3 3 BACHE CONC CES iaa ains 13 3 4 IWE B US Conhouraion AAA AAA Ad 13 3 4 1 Enable Baud rates tor M BUS 0 AS A A ASS A A A 14 3 4 2 SODA PORCA aa a a DA CD ama A ela Peace a 14 do Meter Readinos siri as assa dd Rd Eid A AS A 15 4 1 Export to Excel casas csaassesrerniaina aco iss ea nda A RU tmpenant asda mese 16 4 2 cantina Meter na 162. 4 3 Meter ConficUr CON cascada ostia 16 foL Reading mera aida 17 A322 COE IN Ooh A cv aa sata E tdi A ae a Sts ees a 17 4 3 3 Delete o AP Creer RCP Sle E TE E a a te Men ERR te tLe 17 4 4 Meter RECOLAS iia dias 17 4 5 Edit Record Sia id 18 AL TOBACAC OD os 18 4 5 2 MODUS AE a a NERY RR TO Oe VR CR 19 4 5 3 A A A A O 19 5 MODBUOS lt lt dada 19 51 Addine Modbus O DIES ass cascas AAA US spss nte dan ga dns Cuci co canso sa ala sessenta canada 19 User s Manual O The BACNET Browser lidad 19 En ARECOVORV a ee ees 20 amp BAChHel SPEC CANONS eck annua ahaa Ahaha DD SD aes 20 6 1 BAC MEL ODjec NN Mii AAN AAA AAA AAA AAA 22 8 1 6 2 BA CHEE Services SUP DO ii does is stc a Aa aaa dass orais does ia IoRsa Nao cecadas S 22 8 2 6 3 BACnet specific Object Properti s casais aaa anii aaa aaa aa 23 Kara BACnet Gateway Page 3 User s Manual 1 GENERAL INFORMATION 1 1 M Bus M Bus Meter Bus is a European standard EN 13757 2 physical and link layer EN 13757 3 application layer for the remote reading of gas or electricity meters M Bus is also usable for other types of consumption meters The M Bus interface is made for communication on two wires making it very cost effective The M Bus was developed to fill the need for a system for the networking and remote reading of utility meters for example to measure the consumption of gas or water in the home This bus fulfills the special requirements of remotely powered or battery dri
3. Date Time Synchronization Device Date Time Sonntag 17 April 2011 20 19 37 Browser Date Time Sonntag 17 April 2011 20 20 53 Syncronize Host Name Enter the name for the device IP Address Enter the IP number for the device for the target LAN Subnet mask The IP Mask of the Target LAN For example 255 255 0 0 Default gateway The default IP number of the IP Gateway Router of the target LAN Domain Name Server The DNS Server of your target LAN 1f required Default Domain This field can be left empty EL Step 4 Click on Save and click on BACnet Configuration Proceed in next chapter gt Kara BACnet Gateway Page 10 User s Manual Kara BACnet Gateway Page 11 User s Manual 3 2 BACnet Configuration 60 Step 5 Before connecting the device to the target LAN you have to configure the BACnet Configuration 0 BACnet Configuration Configuration BACnet Network Type BACnet IP BACnet Device Instance 2271 e BACnet Device Name Kara BACnetGateway Max APDU 1476 default 1476 Broadcast I am every munites BBMD Registration IP Number IP Network Mask Save Broadcast I am 3 2 1 BACnet Device Instance This is a unique BACnet Device Identifier Please consult your BACnet Administrator to get a unique Instance number ATTENTION If this Device Instance is not unique on the BACnet LAN other BACnet devices may fail to operate Kara BACnet Gateway Page 1
4. e Who Has and I Have Services e Create Object for Notification Class Object e Delete Object e Get EventInformation Kara BACnet Gateway Page 22 User s Manual e Get Alarm Summary Optionally e VT Open Service e VT Close Service e VT Data Service 8 2 6 3 BACnet specific Object Properties Identifier 1009 Reserved A 1011 Unsigned RecordNo Is the record number of the meter for this object 1102 Unsigned_ Slave Address ooo 1103 StringOctet TCPAPNumber 1104 Unsigned ObjectAddress ________________ Kara BACnet Gateway Page 23
5. M Bus slave meter software Status Definition of the Meter Status 0 LSB Application Busy Power Low Permanent Error Specific to Manufacture Specific to Manufacture Specific to Manufacture Temporary Error State could be one of the following OK Kara BACnet Gateway Page 15 User s Manual Inactive meter 1s not responding Communication Error Collision Detection Two meters are responding for same address check meter addresses Send Error check RS232 cabling Wrong Command Incorrect Data received Wrong Start Character Incorrect Data received Message too short Incorrect Data received a meter on the M Bus could be damaged Wrong length protocol Error Wrong Checksum Check Baudrate and cable lengths M Bus Status Error means that the Meter signals an error in the Meter status field Value Value of the default record set in the meter configuration Units Value of the default record set in the meter configuration Description description of the default record set in the meter configuration To BACnet a List of record numbers which are converted to BACnet Analog Input The first number 1s the meters record number and the second number 1s the BACnet Instance number Records see Meter Records 4 1 Export to Excel If you want to export the meter list to Excel click on Export to Excel then open the file with Microsoft Excel 4 2 Scanning Meters To detect new meters on M Bus the M Bus BACnet Gateways pe
6. meter 1s attached at the M Bus again and you perform a scan the meter will be included again with default settings 4 4 Meter Records There are two types of M Bus Meters those who support a fixed record data and those who support variable record data The fixed records can send up to two meter records where the variable record protocol can send many records The Meter Record dialog displays all records received from the meter and their data respectively Here you can select which record will be converted to a BACnet Analog Object Kara BACnet Gateway Page 17 User s Manual N Kara Systems Records for Meter Meter 02 05185001 No Value Unit Description Function Sub Unit Storage No Tariff lBACnet Inst Modbus Addr E dE 0 000 Kilowatt Hours Energy Watt Inst 00 12 2000 oons frime point int of of O dowati Hows Energy Watt inet of o o Fo ee Del cats anu Speci Inst The Next gt gt and lt lt Back buttons will show the records of the next or previous meter in the list respectively 4 5 Edit Records Every single meter s record can be configured in this dialog lh Kara Systems M Bus Editing Meter Meter 02 05185001 Record No 1 Default Save To Record List To Meter List 4 5 1 To BACnet Object If set this record will be converted to a BACnet Analog Input Object The record will be assigned the next available BACnet object instance starting from zero The B
7. 2 User s Manual 3 2 2 BACnet Broadcast Management Device BBMD If the BACnet Workstation Operator or other BACnet device which needs to establish a bind with the M Bus BACnet Gateway 1s located on a different IP sub network you have to register the device IP number in the BBMD Registration dialog The default port is 47808 bac0 in hexadecimal Enter the new IP Number in the IP Number Field and click on save to register this remote device IP number 3 3 BACnet Objects BACnet Objects are not automatically included By M Bus Gateway you have to select the checkbox to BACnet for the particular meter record or records For Modbus Gatway select the check box to BACnet in the modbus object configuration The BACnet Instance number and type 1s done automatically 3 4 M Bus Configuration lh Kara Systems BACnet Gateway Configuration 300 Y 600 C 1200 Enabled Baudrates M 2400 T 4800 Y 9600 T 19200 38400 Serial Port Name dev ttyAMAO RS485 Interface E Save Kara BACnet Gateway Page 13 User s Manual 3 4 1 Enable Baud rates for M Bus M Bus supports multiple baud rates for different meters Here you can multiple select the Baud rates used on your M Bus If you select all Baud rates the Scan will take longer to complete 3 4 2 Serial Port Name The default setting is ty AMAO If you are using a USB to RS 232 converter then choose ttyUSBO DO s
8. ACnet instance number will be assigned to this record till you detach this record again from BACnet The instance assigned will be displayed in the meter list Kara BACnet Gateway Page 18 User s Manual 4 5 2 Modbus Address If this 1s set to O or higher then this record will be converted to Modbus holding register The holding register has a Float format and needs always two Modbus addresses The address for the record must always be even values 4 5 3 Unit The BACnet gateway automatically converts the M Bus units to BACnet Units respectively This is the default value But you can select any other BACnet Unit from the list 5 MODBUS 5 1 Adding Modbus Objects Before add modbus objects you have to add first the modbus device F may MODBUS Devices Licensed for 20 Objects Add New Device Read All Export to Excel Sort by name 7 Main Menu KELE Connection Address Status Objects Edit Device TCP TCP IP 502 Serial Device Baud 9600 Partiy Even Total Devices 2 Click on Add New Device to add a device To add a modbus object list the devices and click on the device s objects Y ou can list all Modbus objects configured or all Objects which belong to one particular device 6 THE BACNET BROWSER The Gateway has an integrated BACnet Browser It shows only objects connected to this gateway Kara BACnet Gateway Page 19 User s Manual BACnet Browser 9BAGnet BACnet Objects s
9. al E oe A gt Refresh X Export Sort by status gt a parra Name Type Instance Gateway Description Value Ea Imputre analagimput 3 modbus Modbus Device MobbusDevice Object Address 0 0 0 Loi air 02 05185001 a O Meter 02 05185001 02 Meter 02 05185001 01 Analog Input O mbus Energy Watt 02 05185001 00 i O Meter 03 01 Meter 03 01 Analog Input 1 mbus Volume 03 05185002 00 1035 00 O inputRe Meter 02 05185001 02 Analog Input 2 mbus Time Point 02 05185001 01 214748368 0 OK v Binary Output O Meter 02 05185001 01 Total BACnet Objects 4 Y Device O Kara BACnetGateway v Notification Class O notify On the left side the BACnet browser shows a tree of all the BACnet Objects grouped in object type When you click on an element on the tree an object list or a configuration dialog 1s displayed on the right hand side 7 RECOVERY A recovery procedure 1s needed 1f for some reason you forgot the admin password of the network IP number The recovery procedure will reset the admin password to password the network IP number to 192 168 2 127 Subnet Mask to 255 255 255 0 and the default gateway IP to 192 168 2 1 Follow the following step to recover the device 1 Format a USB memory stick with FAT32 format On the USB memory stick create a subdirectory with the name rescue Download the file recovery enc from http www karasystems eu downloads BACnetGateway recover enc and copy fil
10. ara gateway converts the following protocols Kara BACnet Gateway Page 4 User s Manual Y M Bus gt gt BACnet Y M Bus gt gt Modbus Y Modbus gt gt BACnet 1 4 1 M Bus to BACnet Gateway This gateway converts M Bus meter records to BACnet Analog Input objects The connection to BACnet is done over Ethernet LAN BACnet IP or BACnet Ethernet To connect the gateway to M Bus you need a Level Convertor to convert the EIA 232 optional EIA 485 connection to M Bus physical Bus 1 4 2 M Bus to Modbus Server Every M Bus meter record can be converted to a Modbus 32 Bit Float holding register The Modbus Server has to be enabled in the Modbus Server Configuration 1 4 3 Modbus Client to BACnet If the checkbox As BACnet Object 1s not activated the records will be converted like shown here BACnet Binary Output Binary Input Input Register Analog Input Holding Register Analog Output If the checkbox As BACnet Object 1s activated the records will be converted like shown here Binary Value Binary Value Input Register Analog Value Holding Register Analog Value Optionaly all Modbus types can be converter to BACnet Values objects respectively The Modbus Holding register and input register support five data formats Integer 16 Integer 32 Integer 32 Swapped Float and Float Swapped Modbus device can be connected to LAN TCP IP RS 232 or RS 485 interfaces Kara BACnet Gateway Page 5 User s Manua
11. e 6 Now click Save and return to the Main Menu and click on Reboot Device Your browser will display an error message that the connection to the device did failed This is because now the device has a new IP number Now you can unplug the device from the Install network and plug the device to the target network Installation 1s ready Kara BACnet Gateway Page 14 User s Manual 4 METER READINGS The Meter Reading Dialog shows a list of all meters found on the M Bus Meters are detected by doing a scan on the M Bus The device starts a scan after a switch on or after a reboot You can start a scan manually by clicking on the button Start Scan 3H M Bus Meter Reading Scanning Section 1 Baudrate 2400 Refresh Start Scan Export to Excel Return to Main Menu Ema Addresss z Manu Medium Value omisso o nee Jo fnoctcosoo wonous eneor War a 7 A A O E onze ano jo weno jo nociva oo wot Hous erway war a 2 ps fresno Jo O OE oo msmo Jo O OE Le z c v4 ho frase jmoo TOO EI is ja frase oo ECON iecive0000 atos enemy wor Sue 12 n 227092121 9ANN Haat Miitlatin TnactivalN AMA Alatt Hoiirc Fnarnw Watt a am Addr is the primary Meter Address Ident is the Meter identification number which should be unique Baudrate is the baudrate used for this meter Manu is the Manufacture 3 letter code Version is the software Version of the
12. e in the _rescue_ directory Switch off and insert the USB memory stick Switch on the gateway Wait for at least 30 seconds and after it should be able to connect the browser to 192 168 2 127 The password 1s now password change the password Ready dE Ds et DR 8 BACNET SPECIFICATIONS Kara BACnet Gateway Page 20 User s Manual The M Bus BACnet Gateway is a BACnet Application Specific Controller B ASC The selected M Bus Meter Records will converted to BACnet Analog Objects A B ASC intended for use in a specific application and supports limited programmability It enables specification of the following Ability to provide the values of any of its BACnet objects Ability to allow modification of some or all of its BACnet objects by another device Management Ability to respond to queries about 1ts status Ability to respond to requests for information about any of its objects Ability to respond to communication control messages Ability for Change Of Value subscription Ability to generate Alarm and Event Notification No Trending No Scheduling The Device will support following BACnet Features BIBB BACnet INTEROPERABILITY BUILDING BLOCKS BIBB Data Sharing ReadProperty B DS RP B BIBB Data Sharing ReadPropertyMultiple B DS RPM B BIBB Data Sharing WriteProperty B DS WP B BIBB Data Sharing COV B DS COV B BIBB Device Management Dynamic Device Binding B DM DDB B BIBB Device Management Dynam
13. e to configure the Network Configuration of the device by connecting the device to an install network see Step 1 e Step 1 Connect the gateway with an Ethernet cable direct to a Workstation and set the workstation IP number to 192 168 2 1 pe Step 2 Kara BACnet Gateway Page 8 User s Manual Open the browser on the workstation and enter the following URL http 192 168 2 127 The Kara BACnet Gateway configuration 1s protected with a user name and password so you will be prompt a dialog to enter the user name and password The user name is admin The default password is password E t Please change the default password You will stay logged in till you close the browser N Kara Systems BACnet Gateway Version 2 2 39D Device Raspberry Main Menu _M Bus MBus Gateway Modbus Modbus Gatewa Y BACnet BACnet Browser Administration Click on Administration and then on Network Configuration El Step 3 Kara BACnet Gateway Page 9 User s Manual Configure the Network Configuration of the target LAN amp Network Configuration Attention If you change any of these settings it is possible that Gateway can not be reached any more Logged in User admin 3 Network Configuration Hostname Ka raGateway IP Address 192 168 2 127 Subnetmask 255 255 255 0 Default gateway 192 168 2 1 Domain Name Server 192 168 2 1 Default Domain Mac Address fO ad 4e 00 09 db C
14. ic Object Binding B DM DOB B BIBB Device Management DeviceCommunicationControl B DM DCC B BIBB Device Management UTCTimeSynchronization B DM UTC B BIBB Device Management TimeSynchronization B DM TS B BIBB Alarm and Event Notification Internal B AE N I B BIBB Alarm and Event ACK B AE ACK B BIBB Device Management Object Creation and Deletion B DM OCD B only for Notification Class Object Supporter Objects Device Binary Inputs and Output for modbus coils and descrete Inputs Analog Inputs and Outputs for Meter readings modbus registers and holding registers Notifications Class Optionally Kara BACnet Gateway Page 21 User s Manual e BIBB Device Management Virtual Terminal B DM VT B The device supports following Object Types e Device e Analog Inputs e Notification Class 6 1 BACnet Object Name The BACnet Analog Object createt will get a default name as below Object Name XX_YYYYYYYY_ZZ Where XX is the Meter primary Address YYYYYYYY 1s the Meter Identification number ZZ is the record number 8 1 6 2 BACnet Services Supported The M Bus BACnet Gateway supports following Services e Read Property Service e Read Property Multiple Service e Write Property Service support for priorities e TimeSynchronization Service e UTCTimeSynchronization Service e Subscribe COV Service e ConfirmedEventNotification Service e Subscribe COV Property Service e Who Is and I Am Services
15. l 1 4 4 Scenario BACnet Modbus M Bus Gateway BAC A Voce uy td k i Ww M Bus Level Convertor Modbus TCPIIP PT Devices The scenario shows an overview of the involved components Kara BACnet Gateway Page 6 User s Manual 2 HARDWARE The Device 1s based on a 32 Bit ARM processor running at 1 2Ghz Features One 10 100 Mbps Ethernet One RS 232 Optionally one additionally RS 485 interface External 5V power supply Ultra low power consumption less than 5 Watts System cooling passive Din Rail Case Dimensions 74 5 x 92 x 65 mm Regulation CE Class A FCC Class A Operation Temperature O to 70C 32 to 158F 2 1 Serial Port The RS 232 comes with a DB9 Jack Pinning of DB9 Jack e Pin Receive from Level convertor a Send to Level Convertor Unused Ground potential 7 PTS Handshakeunused o e CTS Always active The RS 232 cable can be connected directly to a Level Convertor such as PW20 from www relay de The default RS232 port is dev ttyAMAO If you are using a USB to RS232 set the port to dev ttyUSBO 2 2 RS485 Port optional The RS485 is an optional board The port name for RS485 is dev tty RPCO This board has also an RS232 and power supply connector Kara BACnet Gateway Page 7 User s Manual Connection of the RS485 Board seen from top 3 INSTALLATION 3 1 Ethernet LAN Before connecting the Kara BACnet Gateway to your target LAN you hav
16. rforms a scan on all primary M Bus addresses for all baudrates selected and then make a secondary scan on meter Identification numbers for all baudrates selected Meter found on secondary scan has a primary address of 253 AN Attention The meters Identification Number must be unique for all meters Clicking on Start Scan will show the scan status Meters found will be listed in the M Bus Meter Reading dialog The Meters found are saved and will get an Inactive Status 1f they are switched off 4 3 Meter Configuration Kara BACnet Gateway Page 16 User s Manual lh Kara Systems M Bus Edit Meter Meter 02 05185001 MBus Address 2 Name Meter 02 05185001 Reading Interval minutes 5 Convert All Records to BACnet O Baudrate 2400 Default Record No 01 Energy Watt 02 05185001 00 Kilowatt Hours Save Next gt gt lt lt Back Delete Meter O back to Meter List Delete ALL Meters Set Interval To ALL Meters 4 3 1 Reading Interval Meters are read periodically You can set the reading interval in minutes for a specific meter or you can set this interval for all meters by clicking on the Set Interval for ALL Meters The default value is one minute 4 3 2 Record No This is the record number which its values will be displayed in the Meter Reading List dialog 4 3 3 Delete Meter If a meter 1s removed from the M Bus you can delete this meter by click on this button The
17. ven systems including consumer utility meters When interrogated the meters deliver the data they have collected to a common master such as a hand held computer connected at periodic intervals to read all utility meters of a building 1 2 Modbus Modbus is a serial communications protocol published by Modicon in 1979 for use with its programmable logic controllers PLCs It has become a de facto standard communications protocol in industry and is now a commonly available means of connecting industrial electronic devices Modbus allows for communication between many devices connected to the same network for example a system that measures temperature and humidity and communicates the results to a computer Modbus supports communication over EIA 485 EIA 232 and Ethernet TCP IP 1 3 BACnet BACnet is a communications protocol for building automation and control networks It is an ASHRAE ANSI and ISO standard protocol BACnet was designed to allow communication of building automation and control systems for applications such as heating ventilating and air conditioning control lighting control access control and fire detection systems and their associated equipment The BACnet protocol provides mechanisms for computerized building automation devices to exchange information regardless of the particular building service they perform Gateway supports BACnet IP and BACnet Ethernet protocols 1 4 Kara BACnet Modbus M Bus Gateway The K
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