DGW-521 User Manual
Contents
1. Data Format Setting FF 7 6 5 4 3 2 RS CS RS Key Description CS Checksum setting 0 Disabled 1 Enabled RS Reserved Note The reserved bits should be zero DGW 521 User Manual Rev A1 0 1 11 Protocol Switching To switch to the DCON protocol 1 Set the Modbus register 00257 to zero 2 After a power on reset the communication protocol will be changed to DCON To switch to the Modbus RTU protocol 1 Sends the AAPN command and set N to a value of 1 Note that for the DGW 521 the INIT switch of the module should be set to the INIT position see the figure shown below 2 After a power on reset the communication protocol will be changed to the Modbus RTU protocol INIT SSES op 20 DGW 521 User Manual Rev A1 0 1 12 Technical Support Should you encounter problems while using the DGW 521 module and are unable to find the help you need in this manual or on our website please contact ICP DAS Product Support Email service icpdas com Website http www icpdas com tw contact_us contact_us html When requesting technical support be prepared to provide the following information about your system 1 Module name and serial number The serial number can be found printed on the barcode label attached to the cover of the module 2 Firmware version See Section 2 and 3 1 for information regarding the command used to identify the firmware version 3 Host configu2. LED PWR RUN ERR LED EMS Protection ESD IEC 61000 4 2 EFT IEC 61000 4 4 Surge IEC 61000 4 5 Power Power Supply Connector Protection Consumption 4 kV contact for Each Terminal 8 kV Air for Random Point 4 kV for Power Line 2 kV for Power Line i Unregulated 10 VDC 30 VDC 3 pin Terminal Block Power Reverse polarity protection Overvoltage Brown out Protection DW 6 DGW 521 User Manual Rev A1 0 Mechanical Environment 25 C 75 C 30 C 80 C DGW 521 User Manual Rev A1 0 7 1 4 Dimensions Left Side View 107 CC 86 8 e H TH ld Front View Right Side View Rear View DGW 521 User Manual Rev A1 0 1 5 Jumper Setting Note To access the jumper the cover must be opened For DGW 521 the RS 485 terminals are shared with the RS 232 terminals The functionality of the terminals is set using the JP4 jumper The position of the JP4 jumper is shown in the figure below DGW 521 User Manual Rev A1 0 The settings for the JP4 jumper are as follows The terminals are used for RS 485 communication factory default The terminals are used for RS 232 communication 10 DGW 521 User Manual Rev A1 0 1 6 Quick Start Please refer to the Quick Start for DGW 521 DGW 521 User Manual Rev A1 0 11 1 7 Default Set
3. 1 includes an internal Dual Watchdog making the control system more reliable and stable 36 DGW 521 User Manual Rev A1 0
4. DGW 521 User Manual Warranty All products manufactured by ICP DAS are under warranty regarding defective materials for a period of one year from the date of delivery to the original purchaser Warning ICP DAS assumes no liability for damages resulting from the use of this product ICP DAS reserves the right to change this manual at any time without notification The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility is assumed by ICP DAS for its use or for any infringements of patents or other rights of third parties resulting from its use Copyright Copyright 2014 ICP DAS All rights reserved Trademark The names used for identification only may be registered trademarks of their respective companies Date 2014 9 15 DGW 521 User Manual Rev A1 0 1 Table of Contents 1 Introduction eee 1 1 More Information 1 2 Terminal Assignment 1 3 Specifications 1 4 Dimensions 1 5 Jumper Setting 1 6 Quick Start 1 7 Default Settings 1 8 USB Driver Installation 1 9 DALI Commands 1 9 1 Find all DALI devices on the DALI 1 9 2 Allocate address to DALI device 1 9 3 Change address of a DALI device 1 9 4 Send DALI command 1 10 Configuration Tables D 1 11 Protocol Switching 1 12 Technical Support 2 DCON Protocol sseeseee 3 Modbus Protocol 3 1 Address Mappings 4 Troub
5. End of command character carriage return OxOD CR 22 DGW 521 User Manual Rev A1 0 Checksum Calculation 1 Calculate the ASCII code sum of all the characters in the command response string except for the carriage return character CR 2 The checksum is equal to the sum masked by Offh Example Command string 012 CR E 2 3 Sum of the string STOT 1 2 24h 30h 31h 32h B7h Therefore the checksum is B7h and so CHKSUM B7 The command string with the checksum 012B7 CR Response string 01200600 CR L 2 3 Sum of the string PEOP 12 40 40 6 0 0 21h 30h 3 1h 32h 30h 30h 36h 30h 30h 1AAh Therefore the checksum is AAh and so CHKSUM AA The response string with the checksum 01200600AA CR Note All characters should be in upper case DGW 521 User Manual Rev A1 0 23 Command AAF Reads the Firmware Version AN AAP AASC Reads the Protocol Sets the Protocol N 0 for DCON protocol 1 1 H 3 ARIN for Modbus RTU protocol AAO Name Sets the Module Name AARD IAAVV Reads the response delay time VV in hex format AARDVV IAA Sets the response delay time VV 00 1E in hex format DALI Command Sets Sends DALI command i command index 0 AADCiddcc IAA 7 dd command address in hex cc command data in hex Gets the execution status of the DALI commands hh in hex each bit for each command and the value is 1 for command fini
6. IW 40492 Host watchdog timeout count write 0 to clear R W Notes 1 Format of the response and status word High byte DALI response Low byte status of command execution no command command to be executed command is being executed command execution is finished and DALI answer not available command execution is finished and nothing received command execution is finished and got DALI data command execution is finished and invalid DALI data command execution is finished and DALI answer too early WANDA BWN ra OO 30 DGW 521 User Manual Rev A1 0 Format of the DALI command word Low byte command code High byte DALI address Bit 0 0 gt the low byte is direct lamp power value 1 gt the low byte is command code Bit 1 6 short address when bit 7 is 0 Bit 1 4 group address when bit 7 is 1 Bit 1 7 all set to 1 for broadcast command DGW 521 User Manual Rev A1 0 31 4 Troubleshooting If you are having difficulty using the DGW 521 module here are some suggestions that may help If you cannot find the answers you need in these guides contact CP DAS Product Support Contact information is located in Section 1 12 32 DGW 521 User Manual Rev A1 0 4 1 Communicating with the module If you attempt to communicate with the module and receive no response first check the following O Make sure the supplied power is within the range of 10 to 30 V DC If t
7. LI command that is the first byte is address byte and the second one is data byte 16 DGW 521 User Manual Rev A1 0 Address byte format I 6 3 4 3 2 i 0 CB A A4 A3 A2 Al AO SB Key Description CB Address Classification Bit 0 A5 AO specifies the device address 1 A5 AO is 111111 for broadcasting A5 A4is 11 A3 AO specifies the group address SB Select Bit 0 the data byte specifies the lamp power 1 the data byte specifies the command To get the status of the DALI command execution send the following command A bit is set to one when the corresponding DALI command is finished DCON AADE Modbus RTU Read register 30257 When a DALI command is finished and it should have response the following command can be sent to get the response DCON AADSn Modbus RTU Read one of the register 30001 30008 DGW 521 User Manual Rev A1 0 17 1 10 Configuration Tables Baud Rate Setting CC 7 6 5 4 3 2 1 0 Data Key Description Baud Baud Rate 03 1200 04 2400 05 4800 06 9600 07 19200 08 38400 09 57600 OA 115200 Data Data Format 0 eight data bits no parity and one stop bit 1 eight data bits no parity and two stop bit 2 eight data bits even parity and one stop bit 3 eight data bits odd parity and one stop bit DGW 521 User Manual Rev A1 0
8. e the configuration of the module is reset as follows allowing it to be operated as normal 1 Address 00 2 Baud Rate 9600 bps 3 No checksum 4 Protocol DCON The configuration information stored in the EEPROM is not changed and they can be read by sending the 002 CR command at 9600bps There are commands that require the module to be in INIT mode They are 1 7 AANNTTCCFF when changing Baud Rate and checksum settings 2 AAPN 34 DGW 521 User Manual Rev A1 0 The DGW 521 has the INIT switch located on the bottom side of the module allow easier access to INIT mode For these modules INIT mode is accessed by sliding the INIT switch to the INIT position as shown below INIT SSES op DGW 521 User Manual Rev A1 0 35 A 2 Dual Watchdog Operation Dual Watchdog Module Watchdog Host Watchdog The Module Watchdog is a hardware reset circuit that monitors the operating status of the module While working in harsh or noisy environments the module may be shut down by external signals The circuit allows the module to work continuously without disruption The Host Watchdog is a software function that monitors the operating status of the host Its purpose is to prevent problems due to network communication errors or host malfunctions When a host watchdog time out occurs the module will reset all outputs to a safe state in order to prevent any erroneous operations of the controlled target The DGW 52
9. e map of the DALI devices on the DALI bus A bit is set to 1 when the corresponding DALI device is present DCON AADP Modbus RTU Read registers 30289 30292 1 9 2 Allocate address to DALI device When you receive a new DALI device its address may not be allocated You can send the following command to allocate address to it You can allocate address to either all devices device with specified address or devices without address DCON AADNddft Modbus RTU write to register 40322 DGW 521 User Manual Rev A1 0 15 To get the status of address allocation send the following command The status data is one when the allocation is finished DCON AADN Modbus RTU Read register 40322 1 9 3 Change address of a DALI device To change the address of a DALI device which address is allocated send the following command DCON AADRoonn Modbus RTU write to register 40321 To get the status of changing address send the following command When it is finished the status data is one DCON AADR Modbus RTU Read register 40321 1 9 4 Send DALI command The DGW 521 can accept 8 DALI commands and the commands to DALI devices in sequence The following command is used to send DALI command DCON AADCnddcc Modbus RTU write to one of the register 40033 40040 The command data format is the same as the standard DA
10. ecuted 02 executing command AADSn eee 03 command finished and answer not available 04 command finished and no answer received 05 command finished and answer got data 06 command finished and invalid data in answer 07 command finished and answer too early DGW 521 User Manual Rev A1 0 AADNddff 25 Resets the Host Watchdog Status AAETT Reads the Host Watchdog Timeout Settings AA3ETT Sets the Host Watchdog Timeout Settings 26 DGW 521 User Manual Rev A1 0 3 Modbus Protocol The Modbus protocol is developed by Modicon Inc originally developed for Modicon controllers Detailed information can be found at http www modicon com techpubs toc7 html You can also visit http www modbus org to find more valuable information The DGW 521 module supports the Modbus RTU protocol The communication baud rates range from 1200bps to 115200bps DGW 521 User Manual Rev A1 0 27 3 1 Address Mappings DGW 521 Address Mappings Address Description Attribute 00257 Protocol 0 DCON 1 Modbus R W 00259 Write 1 to find all DALI slaves R W Response 1 gt busy in finding all DALI slaves 0 gt finished 00261 1 enable 0 disable host watchdog R W 00270 Host watch dog timeout status write 1 to clear R W host watch dog timeout status 00273 Reset status 1 first read after powered on 0 R not the first read after powered on 30001 Status a
11. hange or remove DALI slave address Low byte old address High byte 0 63 new address set to 255 to remove the address Response 1 busy in changing slave address 0 finished R W 40322 DALI slave address allocation Low byte 0x00 all slaves will be allocated Address lt lt 1 1 slave with address Address will be allocated OxFF slaves without address will be allocated High byte Set to 1 to check the presence of all DALI slaves before allocating address Response Low byte no allocation command finished allocating old address not available invalid address data too many addresses to be allocated nA SS Gu HA ra R W DGW 521 User Manual Rev A1 0 29 Address Description Attribute High byte Number of addresses allocated 40481 Firmware version low word 40482 Firmware version high word 40483 Module name low word 40484 Module name high word 40485 Module address valid range 1 247 Sa 40486 Bus 5 0 Baud rate 0x03 OxOA Code 0x03 0x04 0x05 0x06 Baud 1200 2400 4800 9600 Code 0x07 0x08 0x09 UA Baud 19200 38400 57600 115200 Bits 7 6 00 no parity 1 stop bit 01 no parity 2 stop bits 10 even parity 1 stop bit 11 odd parity 1 stop bit 40488 Modbus response delay time in ms valid R W range 0 30 40489 Host watchdog timeout value 0 255 in 0 1s R
12. he supplied power is OK then the power LED should be on When the module receives a command the power LED is set to off The power LED is shown as on after the module responds This method can be used to check whether the module has received a command sent from the host If possible use another device to check whether the host can communicate with the device through the same RS 485 network If the host is a PC installed with a Windows operating system then execute the DCON Utility to determine whether the module can be found The DCON Utility can be downloaded from the ICP DAS website http www icpdas com The DCON Utility documentation can be found in the Getting Started For I 7000 Series Modules manual Set the module to INIT mode and communicate with the module using the following settings address 00 Baud Rate 9600bps no checksum and DCON protocol See Section A 1 for details DGW 521 User Manual Rev A1 0 33 A Appendix A 1 INIT Mode Each DGW 521 has a built in EEPROM to store configuration information such as module address type code Baud Rate etc Occasionally the configuration of a module may be forgotten and there are no visual indications of the configuration of the module It is difficult to communicate with the module when the configuration of the module is unknown To help avoid this problem the DGW 521 has a special mode called INIT mode When the module is powered on in INIT mod
13. leshooting D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D 4 1 Communicating with the module Pes A ae Kv evucveczanatadvedvebsdyscvatesvedeveatoaes A 1 INIT Mode A 2 Dual Watchdog Operation 2 DGW 521 User Manual Rev A1 0 D D D D D D D D D D D D D D D D COONAN BF W 1 Introduction The DGW 521 is a communication gateway between the Modbus RTU DCON and the DALI Digital Addressable Lighting Interface protocols and allows a host PC PAC or TouchPAD to access DALI devices by providing three interfaces that enable conversion from RS 232 RS 485 USB to DALI The module provides a built in DALI power supply that can be enabled or disabled via a switch DALI is an international standard for lighting control interfaces and is suitable for DALI lighting systems covering small areas The maximum length of the DALI signal cables cannot exceed 300 m The features of the DGW 521 are as follows 1 Conversion between RS 485 RS 232 USB and DALI Interfaces 2 Easy Deployment The ID Code can be written by the RS 485 Interface 3 Simplified Wiring Process 4 Built in DALI Power can be enabled or disabled using a Switch 5 1500 VDC Isolation 6 4 ESD Protection for the RS 232 485 USB Data Line 7 4kV EFT Protectio
14. low steps to check it Click Start gt Settings gt Control Panel and then double click on the System icon Once the System Properties screen displayed click on Hardware tab and then click on the Device Manager button Double click on Ports COM amp LPT item If the device driver was correctly installed you can find the ICPDAS DGW 521 USB2DALIT device listing and the Virtual COM Port number that Windows has assigned to the device is COM6 for example Note If you have more than one DGW 521 connected to the same system then the USB ID of the modules should be set to different The USB ID is set by the rotary switch as shown below USB ID 14 DGW 521 User Manual Rev A1 0 1 9 DALI Commands DALI Digital Addressable Light Interface is a protocol used for lighting control It can support up to 64 DALI devices on a DALI bus up to 16 scenes and up to 16 groups The following sections summarize some DALI commands used frequently For details of the commands please refer to Section 2 and 3 1 1 9 1 Find all DALI devices on the DALI bus To find all of the DALI devices on the DALI bus send the following command DCON AADFI1 Modbus RTU write 1 to register 00259 Send the following command to get the status of the previous command until the status is 0 finished DCON AADF Modbus RTU Read register 00259 Get the presenc
15. n and 2 kV Surge Protection for Power Line 8 DIN Rail Mounting 9 Wide Operating Temperature Range 25 C 75 C DGW 521 User Manual Rev A1 0 1 1 More Information o For details of INIT mode operation please refer to Section A 1 INIT Mode o For details of module watchdog and host watchdog please refer to Section A 2 Dual Watchdog Operation 4 DGW 521 User Manual Rev A1 0 1 2 Terminal Assignment F G GND Vs D TxD D RxD GND FW Upg INIT USB ID Disable t Enable mDA DA DALI Power Supply DGW 521 User Manual Rev A1 0 1 3 Specifications Interface TTT Connector 2 pin Terminal Block Baud Rate bps 1200 DALI Isolation 1500 Vpc Build in DALI power COM Port Connector UART Transmission Distance m Baud Rate bps Protocol Connector Transmission Speed USB Specification DC 16 Vpc 5 max current 250 mA Enabled Disabled via a switch RS 485 RS 232 3 pin Terminal Block D D GND Jumper Selectable Depends on Baud Rate 1200 2400 4800 9600 19200 38400 57600 115200 DCON Modbus RTU USB Type B 12M bps USB 1 1 and USB 2 0 standard compatible OS Support Windows XP 32 64 bit Windows 7 32 64 bit Protocol DCON and Modbus RTU via virtual COM port LED Indicators Round
16. nd response of DALI Command 1 R 30002 Status and response of DALI Command 2 IR 30003 Stats and response of DALI Command 3 IR 30004 Status and response of DALI Command As IR 30005 Status and response of DALI Command 5 R 30006 Status and response of DALI Command 6 IR 30007 Status and response of DALI Command 7 IR 30008 Status and response of DALI Command 8 IR 40033 DALI command 1 R W 40034 DALI command 23 R W 40035 DALI command 29 R W 40036 DALI command 4 R W 40037 DALI command 5 R W 40038 DALI command 6 R W 40039 DALI command 7 R W 40040 DALI command 8 R W 30257 Status of command execution bit 0 for R command 1 bit 1 for command 2 etc When the bit is 1 it means the command execution is finished and new command can be input 28 DGW 521 User Manual Rev A1 0 Address Description Attribute 30289 Presence of DALI slaves 0 15 bit O for slave 0 bit 1 for slave 1 etc When the bit is 1 it means the slave is present R 30290 Presence of DALI slaves 16 31 bit O for slave 16 bit 1 for slave 17 etc When the bit is 1 it means the slave is present 30291 Presence of DALI slaves 32 47 bit O for slave 32 bit 1 for slave 33 etc When the bit is 1 it means the slave is present 30292 Presence of DALI slaves 48 63 bit 0 for slave 48 bit 1 for slave 49 etc When the bit is 1 it means the slave is present 40321 C
17. ration type and operating system 4 If the problem is reproducible please give full details describing the procedure used to reproduce the problem 5 Specific error messages displayed If a dialog box with an error message is displayed please include the full text of the dialog box including the text in the title bar 6 If the problem involves other programs or hardware devices please describe the details of the problem in full 7 Any comments and suggestions related to the problem are welcome ICP DAS will reply to your request by email within three business days DGW 521 User Manual Rev A1 0 21 2 DCON Protocol All communication with DGW 521 consists of commands generated by the host and responses transmitted by the DGW 521 modules Each module has a unique ID number that is used for addressing purposes and is stored in non volatile memory The ID is 01 by default and can be changed using a user command All commands to the modules contain the ID address meaning that only the addressed module will respond The only exception to this is command which is sent to all modules but in these cases the modules do not reply to the command Command Format Leading Module Character Address COMmand CHKSUM CR Response Format Leading Module Character Address Data CHKSUM CR CHKSUM A 2 character checksum that is present when the checksum setting is enabled
18. shed and 0 for command not finished or no command executed Gets the status of finding all DALI devices s Caer Se is O for finished and 1 for finding Finds all of the DALI devices connected on Gets the status of address allocation nn is the number of addresses allocated in hex ss is the allocation status no allocation command finished allocating old address not available invalid address data too many addresses to be allocated 24 DGW 521 User Manual Rev A1 0 Allocates address for DALI devices dd address in hex 00 all DALI devices will be allocated Address lt lt 1 1 DALI device with address Address will be allocated FF DALI devices without address will be allocated ff set to O1 to check the presence of all DALI devices before allocating address otherwise set to 00 Get all DALI devices presence map data is AADP AA data 64 bit in hex bit n is set to 1 if there is DALI device at address n Gets the status of changing address of DALI devices s is 0 no changing of DALI address AADR AAs 1 changing DALI address OK 2 busy in changing DALI address 3 invalid old address 4 invalid new address Changes the address of DALI device 00 is the old address in hex 00 3F and nn is the EE ZE new address in hex 00 3F or set to FF to remove the addrss Gets the DALI command status and response rr command response in hex ss command status 00 no command 01 command to be ex
19. tings Default settings for the DGW 521 are as follows Protocol Modbus RTU o Module Address 01 o Baud Rate 9600 bps 12 DGW 521 User Manual Rev A1 0 1 8 USB Driver Installation To connect the DGW 521 via the USB port the USB driver must be installed The driver installation file can be downloaded from ICP DAS web site http ftp icpdas com tw pub cd usb_tm napdos dgw 521 or the accompany CD The installation procedure is as follows 1 2 Execute icpusbconverter_drvinst_v1 x exe to install the necessary driver files to the system Plug in the DGW 521 to the USB port and Windows will detect the new device and shows the message Found New Hardware Wizard screen prompting you to install the driver for the detected USB Device Please select No not this time option and click Next button Select install from a list or specific location Advanced option and click Next button Select Search for the best driver in these locations option and check include this location in the search checkbox and click Browser button to assign the DGW 521 driver location C WINDOWS inf and then click Next button Click Continue Anyway button Click Finish button to complete DGW 521 device driver installation DGW 521 User Manual Rev A1 0 13 If the driver is installed successfully then there will be a Virtual COM Port assigned by Windows Please follow the be
Download Pdf Manuals
Related Search