K-BUSRS485/ KNX Converter User manual-Ver.1
Contents
1. Meeting Always is 0x5A Always is 0xA5 1 255 0 default Machine ID 0x00 NAK Response 0 01 8 __ EXERESULT Convertor External Always is OXAA Always is 0x55 1 255 0 default Machine ID ns 8 6 1 0 Error Result 8 14 www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter Output Parameter 10 11 12 13 ChkSum Checksum TF 9 Setting Filter Table External Convertor Always is 0x5A 0xA5 Cd Always is 0xA5 Always is 0xA5 Machine ID Max Data 254 2 Bytes The Lower Byte of the Group Address follows the higher Byte and they should be marked in ascending order e g Group Address 00 05 should places before 00 06 also 00 05 should places before 01 05 Low Byte High Byte Low Byte 20 NOTE NOTE 1 According to KNX Standard it has 4 types indicates 4 Transmission Priority 11 low operational priority 10 high operational priority 01 alarm priority 00 system priority Usually we use LOW priority so the nConfig will be 0x03 others are not recommended NOTE 2 The length of the Communication Object which was linked to the DEST ADDR according to the KNX standard e g when the CO lest than 1 byte it equals to 1 otherwise it equals to length 1 That is to say when we have 1 bit CO then the nLength will be equal to 0x2. Q gt 2 B Convertor PC lt eaning lways is lways is OxA5 255 0 default Machine ID lt 5 og Cal gt B o T 2 gt Response 0x01 ACK hkSum Checksum EXERESULT Controller Byte __ Meaning ea Ee 6 1 OK 0 Error Result 8 11 www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter Output Parameter eaning Always is 0xA5 Always is 0x5A 1 255 0 default Machine ID SRC ADDR e TES Source Address DEST Destination Address Length of the Group Address Group communication Multicast APCI of EIB telegram APCI VALUE READ 0x0000 APCI VALUE RESP 0x0040 APCI VALUE WRITE 0x0080 _____ __ _______________ CCC ChkSum Checksum 9 4 4 Write Group Address 1 14 Bytes of Value WorkStation Terminal SendCommand ID CMD GROUP ADDR WRITE InParam 1 DEST ADDR CO LENGTH CO CONFIG InParam 2 0 Send DATA More than 2 Bytes CO VALUE RecData RecExeResult SendExeResult Protocol COMMAND External Convertor Meaning Always is 0x55 Always is 1 255 0 default Machine ID CMD GROUP ADDR WRITE Command ID nConfig We used the lowest 2 bits Input Parameter 1 the priority usual
3. gt EI3 KNX GVS Guangzhou Video star Electronics Industrial Co Ltd K BUSRS485 KNX Converter User manual Ver 1 BTPT 01 485 1 KNX EIB Intelligent Installation Systems RS485 emeess 688868 K BUS umm PTpT 01 485 1 EIJ Knx kFrIzs ssrnr rr www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter Contents 1 SUMMARY RECEDIT DIDI III III E 3 2 TECHNICAL PROPERTIES amp DIMENSION AND CIRCUIT DIAGRAM sssssssssssssssssasassssssssssssssssss 3 Je TENET 4 FNONBUTISU ELLE UNICUM 5 FAEERE ERS RR 5 3 PROJECT DESIGN AND PROGRAMNMIING oaa sono sun iau osa neus x Ry E paS aaa NEA 6 ONS an t A rure ridet esta Econ cbe mtr act c meta E ua Ue celui eta bos 6 SETTING DESCRIPSISRIIN THE 7 4 COMMUNICATION PROTOCOLS eoram eere rii iud po aa S RR ri ua dE ER CB ER EE RR ERES S VE a eS Ro cras ace S MEE SEA 9 CONBAUNICRTION iat hie ERA nb dcl x EN UL aa 9 LEA ES UU IARE aaa a aa aa i 10 4 3 READ GROUP aku asassshagsaaskaskushasqsassthuqauqaspasqassassaqassshuqssqakaspaskasakuakakysskusscassassaqsyayhaysaqssassaqk 10 ZA GROUP ADDRESS 2
4. Always is OXAS STX2 WORD MachineID terminal s ID WORD Response 0x00 NAK 0x01 ACK WORD ChkSum Checksum ACKPKT Size of command acknowledge packet is 8 Bytes Command execution result packet typedef struct BYTE Headl Always is OXAA STXI 9 kuma ro sss s NE CNN www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter BYTE Head2 Always is 0x55 STX2 WORD MachineID terminal s ID WORD Reserved Reserved WORD Ret 1 OK 0 Error DWORD OutParam Output Parameter WORD ChkSum Checksum RESULTPKT Size of command execution result packet is 14 Bytes Instruction 1 Ifthe Machine ID in the packet received from RS485 system is the same in the RS485 KNX converter and the packet is checked correctly the RS485 KNX converter will send ACK to the RS485 interface The received command should be used the format of CMDPKT while the ACK should be used the format of ACKPKT 2 After the command was executed the RS485 KNX convertor will report the execute result using the format of structure RESULTPKT 3 When write a Group Address which has more than 2 bytes Object Value the Object Value should be send to the RS485 KNX Convertor via Setting Data Command after the command is executed completely Having received a whole Setting Data Command the RS485 KNX convertor will convert the Command to EIB KNX b
5. 39338465 4 marketing video star com cn GVS K BUS KNX EIB RS485 KNX Converter communication objects group addresses associations addresses RS485 KNX converter 0 0 0 2 2 Dimension diagram 64 0 i OQOOOOQ 90 0 2 3 Circuit diagram EIJ KNX KNX BUS 1 Programming button 2 Programming LED red LED for assigning the physical address green LED for indicating the application layer works normally 3 KNX EIB bus connection terminal 4 5485 bus connection terminal 5 EEE EE ee sn V r T rr Se www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter 3 Project design and programming 3 1 Overview of the functions Open communication protocols The communication protocols for RS485 interface is open anyone can follow the text of the protocols to achieve communication between devices on different bus So you can easily connect the KNX EIB bus system with other 485 bus system into a whole but also to ensure the reliability commonality and scalability of the system internal real time communication and thus really to realize openness of the system For receiving and sending communication control telegram The communication control telegrams are received and sent in accordance with the preformatted The formats of the telegrams are de
6. 01 while a 1 byte CO will have the nLength of 0x02 NOTE 3 Destination Group Address which you want to read or write NOTE 4 The sum of all the data bytes before NOTE 5 The Physical Address of the device from whom sends out the telegram 15 kuu T T _a s ____________ www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465
7. 2 sa aa suk assassyssssasikussapshokasssssqapssksqatatusspaqtusaysusapasasakasasasayiqpisssa puspassasassasutassstsqascassacasassancasa 12 A S Cue THE Viene WG Gs ais ce uuu ciis eee enna ea Ar odis tci Rb b ui ea oc a ale dco a pice a n cia dic aaa eR 13 2 kuwww F xx mC r E M CC RM CR TR C RU r www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter 1 Summary The RS485 KNX converter is designed for intelligent building control system It has built in 2000V ESD protection The RS485 KNX converter can transfer two way signals but only RS485 devices can control the KNX EIB devices with current version of our open control protocol No standardized higher layer protocol for RS485 bus we define one in the chapter 4 of this manual for RS485 devices to control KNX EIB devices The users can configure or program the RS485 devices according to the protocol to achieve the control The RS485 KNX converter has two working modes the monitor mode and the filter mode In the case of the monitor mode all active telegrams can be forwarded In the filter mode only the telegrams those with a group address in the filter table in the RS485 KNX converter will be forwarded to the other side The filter table can be set via the filter table setting command from RS485 bus system The functions of the RS485 KNX are summarized as follows gt Open communication pro
8. 338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter 1 1 1 IP and RS485 Convertor Choose devices General General Machine ID O 65535 default 0 Baud rate of the convertor Word length bits Stop bits Parity Acknowledge enable enable Delay of ACK in 0 500 ms 0 Command execute result Cancel Default nfo RS485 parameter window Parameter Machine ID 0 255 default 0 Here set the machine ID of the RS485 KNX converter The ID is a unique identifier for naming the device throughout a RS485 installation while the physical address is also a unique identifier for naming the device throughout an EIB installation The machine ID option is 0 255 Parameter Baud rate of the convertor This parameter is used to set the baud rate of the RS485 KNX convertor The baud rate can be set to the same with the devices on the RS485 bus Options 4800 9600 14400 19200 38400 56000 57600 1 15200 Parameter Word length bits This parameter defines word length of data transmission as 8bits A value can be sent from 0 to 255 Parameter Stop bits This parameter defines stop bits of data transmission Options 0 5 1 1 5 2 Parameter Parity This parameter defines parity of data transmission Options None Odd Even Parameter Acknowledge enable This parameter defines whether sends an ACK report to the RS485 bus when a RS485 telegram is rec
9. 9338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter 2 1 Technical data Power supply RS485 interface Outputs Connections Operating and display elements Temperature range Ambient condition Design Interface protection Baud rate Transmission range Transmitting media Working mode Dimensions Weight Application program www video star com cn Operating voltage Current input EIB Power consumption EIB VCC DC Power consumption Max power consumption Number of outputs EIB KNX RS485 Wire range Red LED and push button Green LED flashing Operation Storage Transport Humidity 21 30V DC via the EIB bus lt 12mA lt 360mW 9V lt VCC lt 40V recommend DC12V 24V 42mW 12V 75mW 24V 120mW 12V 144mW 24V channel Bus connecting terminal black red 1 screw terminal for VCC 2 screw terminals for A and B bus 3 screw terminals for GND Single core 0 2 6 0mm Multi core 0 2 4mm2 For assignment of the physical address Indicate the device running normally OK FO ss uec ME TIC 5255 AG 2 3 C og PHD AE lt 93 except dewing Modular installation device on 35 mm Din rail Built in 2000V ESD protection 4800 115200 bps lt km Twisted pair or shielded wire Asynchronous half duplex differential transmission 90x36x64mm HxWxD 0 1kg Max number of Max number of Tel Fax Max number of 8620 39338986 8620
10. eived successfully by the RS485 KNX converter Option Enable Disable 8 ee ace cce F www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter Parameter Delay of ACK in 0 500 ms This parameter is visible in the parameter Acknowledge enable with enable which is used to set the delay time when the converter sends an ACK report When the delay time has elapsed the ACK report is sent Option 0 500 ms Parameter Command execute result This parameter defines whether sends an executed result report to the RS485 bus when a RS485 telegram is transmitted successfully to the EIB bus via the RS485 KNX converter Option Enable Disable 4 Communication Protocols 4 1 Default Communication Parameters Baud rate of the RS485 KNX convertor 38400 Parity None Word length bits 8 Stop bits 1 this means that the device does not need to configure via ETS and can be used directly after leave factory Command packet typedef struct BYTE Headl Always is 0x55 STX1 BYTE Head2 Always is OXAA STX2 WORD MachineID terminal s ID WORD Reserved Reserved WORD Command Command ID DWORD Length Input Parameter 1 WORD InParam Input Parameter 2 WORD ChkSum Checksum CMDPKT Size of command packet is 16 Bytes Command acknowledge packet typedef struct BYTE Headl Always is OXSA STXI BYTE Head2
11. ly it equals 0x03 www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter DEST 3 nLength lt 2 Group Value Input Parameter 2 255 0 default Machine ID 0 00 Response 0 01 Byte 1 255 0 default Machine ID S 0 ___ Reserved O 6 8 Output Parameter 10 ChkSum 9 Data External Convertor Bye Value Mng j z t e IEE ChkSum Checksum 4 5 Change the Monitor Mode 13 kuyu n P r www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter WorkStation Terminal SendCommand CMD SET MONITOR MODE CMD SET FILTER InParam 1 0 InParam 2 0 RecExeResult SendExeResult If Setting the CMD SET FILTER MODE Mode then the filter table should be send in 3 seconds after the command Protocol Value 01 1 1 Mening 1 255 0 default Machine ID ci ______ 7 CMD SET MONITOR MODE Command ID CMD SET FILTER MODE CMD SET MONITOR MODE 0 Input Parameter 1 CMD SET FILTER MODE 129254 length of filter table Input Parameter 2 ChkSum Checksum 9 Convertor External Ese MN 5 7 H5 7 Byte Vale
12. rds the telegram which group address in the filter table to the EIB bus or the RS485 bus The filter table can be modified or set by the RS485 device The Max Number of group address in the filter table is 254 General the bus monitor mode is suitable for most of the users 6 Is www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter The baud rate is programmable The baud rate refers to the binary data bits that are transmitted per second on the RS485 bus Different devices have different baud rate The baud rate of the RS485 KNX convertor can be set to the same with the devices on the RS485 bus via the parameter Reading and writing data type The data telegram that length is less than or equal tol4bytes can be sent to or read from the EIB bus via the RS485 KNX converter 3 2 Parameter setting description in the ETS Parameter window is shown below Here can set some parameters about RS485 KNX converter such as machine ID the baud rate stop bits and parity etc Because IP converter and RS485 converter use the same product database so before setting RS485 parameters you must select devices first as follow 1 1 1 IP and RS485 Convertor Choose devices Choose devices Choose Device RS485 KNX Choose device 7 k a C sSHTm sss rn sr a www video star com cn marketing video star com cn Tel 8620 39
13. scribed in the next chapter communication protocol i e command format Each data in these command represent different meaning seeing the table in the next chapter For converting the telegram The telegram which is generated in strict accordance with the communication protocol format is received from the RS485 bus by the RS485 KNX converter While receives the telegram from the RS485 interface the RS485 KNX converter extract the EIB information from the telegram such as the group address length data type and value etc and then converted them into the KNX EIB telegram and sent to the KNX EIB system to control the KNX devices report and executed result report When receives a telegram from the RS485 bus the RS485 KNX converter will check the CRC in the telegram first If the telegram is correct the RS485 KNX converter will respond to the RS485 bus via sending an ACK report If the telegram is not correct it will not respond When the telegram is successfully transmitted to the EIB bus the RS485 KNX converter will send a successful telegram to the RS485 bus If not successfully transmitted it will send a fail telegram to the RS485 bus see also RESULTPKT telegram Bus monitor and filter functions The RS485 bus system can monitor the data on the EIB bus via the RS485 KNX converter The RS485 KNX converter also provides filter function to group address When the filter function is set the RS485 KNX converter only forwa
14. tocols for the RS485 interface Toreceive and transfer the telegram in defined format Converting the telegram from the RS485 bus to the KNX EIB telegram and sending to the KNX EIB system to control the KNX devices gt ACK report and executed result report Support bus monitor and filter functions the filter table can be configured or programmed The Max Number of group address is 254 in the table gt The baud rate of the convertor can be programmed Toread and write any data type defined in the KNX standard Max 14 bytes This manual provides technical information as well as assembly and programming in detail about the RS485 KNX Converter for users and explains how to use the converter by the application examples The RS485 KNX Converter is a modular installation device It can be installed in the distribution board on 35 mm mounting rails according to EN 60 715 The device adopts screw terminal to achieve the RS485 bus connection the power supply for RS485 interface is provided by RS485 system The RS485 KNX Converter is connected to the KNX EIB system using EIB bus connection terminals and no need any extra voltage supply The RS485 KNX Converter is able to use the Engineering Tool Software ETS ETS3 or later with a VD4 file to allocate the physical address and set the parameters 2 Technical Properties amp Dimension and Circuit Diagram www video star com cn marketing video star com cn Tel 8620 3
15. us and after transmit successfully it will report the execute result using the format of structure RESULTPKT to the RS485 interface The format of the command could be also seen in the table located in chapter 4 4 4 When read a Group Address ensure that the Communication Object has the read write transmit enable All the responds will be sent to RS485 interface using Data Respond Command having a header of 0Xa5 0x54A 4 2 Command ID enum The command ID for the connection CMD_SET_MONITOR_MODE 0x101 CMD SET FILTER MODE CMD SET RANDOM MODE The his command haven t defined temporary CMD GROUP ADDR READ CMD GROUP ADDR WRITE he 4 3 Read Group Address 10 kw sr a s s O www video star com cn marketing video star com cn Tel 8620 39338986 Fax 8620 39338465 GVS K BUS KNX EIB RS485 KNX Converter WorkStation Terminal SendCommand ID CMD GROUP_ADDR_READ InParam 1 DEST ADDR CO LENGTH CO CONFIG InParam 2 0 RecExeResult SendExeResult OK 1 Error 0 Info Value Include CO value Protocol COMMAND PC Convertor Value yt 2 gt gt eaning Iways is 0x55 lways is 1 255 0 default Machine ID Reserved CMD GROUP ADDR READ Command ID nConfig We used the lowest 2 bits as the priority usually it equals 0x03 Input Parameter 1 nLength TE 2 DEST ADDROO 3 0 6 8 Pe Input Parameter 2
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