deltadue Protocol Converter ModBUS TCP/ModBUS RTU DY
Contents
1. communicate Boot uswitch To update the device configuration the boot switch SW2 present on the protocol converter PCB must be set as follows Update device boot uswitch position sw2 sw2 Normal operation Boot position default setting update device SW2 2 must always be set in ON position deltadue DY 5220 User manual A 3 2 RS485 ports The protocol converter has a RS485 line that is routed on 2 different ports 1 The Front RS485 port which can be found at terminal block A always enabled 2 The side RS485 port present on the connectors on the side of the converter case Side port uswitch enable swi swt pa sd ha Side port Side port enabled disabled WARNING As the protocol converter works as Master on the Fieldbus network if another Master module i e DX is connected to the RS485 side port the RS485 side port of the protocol converter must be disabled A 3 3 Terminating the RS485 line RS485 line termination SW3 RS485 line RS485 line NOT terminated terminated Appendix B Mechanical characteristics B 1 Dimensions 22 5mm 7 0 89 in 114 5 mm 4 5 in 6 3 mm 0 25 in Material PVC Weight 200 g approx deltadue DY 5220 User manual2. Make sure you are always working with the latest version of this document Ascon Tecnologic srl reserves the right to make changes to its products in the name of technological advancement New manual revisions when published and can be found online at http www ascontecnologic com vi Chapter 1 Characteristics The Modbus TCP slave to RTU master protocol converter is an electronic device which is mountable on a DIN guide It allows information to be exchanged between a serial RS485 bus and Ethernet 10 100 bus through the protocols ModBUS RTU and ModBUS TCP This device also includes the following characteristics e Power supply 12 24 Vac dc 3 VA e Opto isolated RS485 Mountable on Rail DIN e Temperature range 0 70 C e EMS EN 61000 6 2 The protocol converter can be easily configured through the configuration utility which allows different projects to be handled saved and downloaded to the device It can be used in two operating modes routing and natting In the routing mode the command modbus is forwarded on the serial line using the same requested addresses In the natting mode the device addresses and data are modified through a translation table of the addresses Chapter 2 Using the Compositor Software 2 1 Introduction Note The software allows for the device parameters to be defined After installing the software downloadable from the site www ascon it in section download software Fin
3. Query Pause is the pause between two consecutive requests 2 1 2 Translate Table When the Operation Mode field is set to NAT mode the Translate Table button will be activated To have an example of the Translate Table see the Operating Modes paragraph 2 1 3 Ping device Ping device runs a command to test the IP address of the Protocol converter Insert the IP address of the Converter and click the Ping Device button If all is OK the mask shows Device Found deltadue DY 5220 User manual 2 2 Operation mode 2 2 1 Example 2 2 2 Configuring the variables Routing A few characteristics of the Modbus RTU package have been modified in the standard of the Modbus TCP protocol two bytes of the final CRC were eliminated no longer necessary because the information reaches its destination already corrected The first byte of the slave identification was changed leaving the one that is called PDU A frame denominated as MBAP header with dimensions of 7 bytes was added to the head of the PDU MBAP is composed by e word transaction identifier copied from the slave in the response phase word protocol identifier 0 Modbus protocol word length number of successive bytes byte unit identifier used for routing operation By using the last byte of the MBAP header it is possible to carry out the routing from a requested Modbus TCP toward a serial line using the address from the
4. Y ASCON ECNOLOGIC deltadue Protocol Converter ModBUS TCP ModBUS RTU DY 5220 line User Manual M U DY 5220 1 13 05 Cod J30 478 1ADY E MODBUS TCP MEET GT Copyright 2007 2013 Ascon Tecnologic Srl All rights reserved No part of this document may be stored in a retrieval system or transmitted in any form electronic or mechanical without prior written permission of Ascon Tecnologic Srl Ascon Tecnologic has used the best care and effort in preparing this manual and believes that the information contained in this publication is accurate As Ascon Tecnologic continues to improve and develop products the information contained in this manual may also be subject to change Ascon Tecnologic reserves the right to change such information without notice Ascon Tecnologic makes no warranty of any kind expressed or implied with regard to the documentation contained in this manual Ascon Tecnologic shall not be liable in any event technical and publishing error or omissions for any incidental and consequential damages in connection with or arising out of the use of this manual sigmadue gammadue and deltadue are trademarks of Ascon Tecnologic Srl All other trade names or product names are trademarks or registered trademarks Ascon Tecnologic S r l via Indipendenza 56 27029 Vigevano PV Tel 39 0381 69 871 Fax 39 0381 69 8730 Internet site www ascontecnologic com E mail sales as
5. c com for the most current updates Once connected to the web site search DY then click on DY in the result page In the lower part of the product page in any language is present the download area with links to the documents available for the instrument in the available languages Download the file DY 5220 User Manual Revision list Revision Date Author Chapter Description 0 11 2008 ASCON All First release version 1 05 2013 Ascon Tecnologic All Second release version Using this manual Specifications within the text of this manual are given in the International System of Units SI with non SI equivalents in parentheses Fully Capitalized words within the text indicate markings found on the equipment Words in bold style within the text indicate markings found in the Configuration Tools Warnings Cautions and Notes are used to emphasize critical instructions DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury deltadue DY 5220 User manual A Caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or property damage Note Highlights important information about an operating procedure or the equipment Current Documentation on the Internet
6. cates the number of consecutive data that you want to con figure For example you create Address TCP 1000 Address RTU 100 and N point 5 the following gets set up automatically addresses TCP 1001 1002 1003 1004 and the variables RTU 101 102 103 104 If the RTU slave responds with an exception that very exception code will be transmitted to the TCP master In the case where the RTU slave does not respond within the allotted time defined by the Timeout parameter an exception response will be given error code 0B deltadue DY 5220 User manual 2 3 Device update 2 3 1 Serial device update In order to download the parameters you must click the button Update Via Serial on the Compositor main window Update Firmware from Serial RS232 Follow thes step for update the DY 5220 from RS232 Turn OFF the Device 2 Connect the RS232 cable Select the COM port and press the connect button v Connect 4 Turn ON the Device Check the BOOT led It must blink quickly X Cancel Next gt 5W67507 Serial Update INIT FIRMWARE PROJECT Update Firmware from Serial 15737 Update Device Options Fiurnmvare Read Firmware when finish M project FZ Read Project when finish Execute update firmware At this point you must boot the Protocol Converter with the provided jumper See the Boot jumper paragraph in Jumper setting chapter Select the serial port which perform
7. contecnologic com PEEFEQUISITOS 5 A Aa rn Updated documentation ia e A kode ek owes Using this manual canastas tras Paste Sar aw seanheee OG Current Documentation on the Internet 2200 ra ee o Chapter 1 Characteristics 2 iii es eG SEE Chapter 2 Using the Compositor Software oooooooo 24 INtFOdUGtI ONE em a A Ot REE Aa a OE 2 1 1 General parameter occocccccco eee 2 1 2 Translate Table ie a 2 1 3 PING DENE ts tt a 22 Operation Mode saciar 2 2 1 FOULING tl ERA di Mad 2 2 2 Natting a a die aia 2 3 Device update samde d be emne erm ee Leder dete ee ahaa Sad img 2 3 1 Serial device update 0 0c eee eee eee 2 3 2 TCP device update vasito y eae hes aes wes Appendix A Connections and Jumper 000 0c eens A T Connection SCHEME ara a aed A 2 Cables characteristics ai ope aes e hod eee A 2 1 PZ aC A IAN A 2 2 Ethernet Cable rias vein de ew ae We we ee A 3 Micro switches setting ss cei ba Es ee oe eased oe Maske A 3 1 Boot mswiteh ein errada A 3 2 RS485 POMS bart shetebekek dat Me e nda ee Ba Ra Ad A 3 3 Terminating the RS485 port 00 0055 Appendix B Mechanical characteristics ooooooooooooooo Bsti Dimensions titi ta li XJDOPDARAAOOGON N h ODO KO CO 0 0 CO 7 Q m mb Index continued Prerequisites Updated documentation It is advised that you always check our Internet site www ascontecnologi
8. d the program Ascon SW DY 5220 Compositor zip a connection is created within the launching menu The first time you enter the Software Download area you need to register yourself by clicking on the register button Ascon SW DY 5220 Compositor i New project 4 Open project 192 168 5 101 kag Ping Device Ey Update Via Serial EN Update Via TCP The New Project button creates the folder which contains all the project files e The project is the compilation of files that define a particular configura tion of the protocol converter Modbus TCP to Modbus RTU This file can also be imported and exported To clone the configurations of a protocol converter Modbus TCP to Mod bus RTU in order to configure another device in the same way it is neces sary to maintain the folder and all its contents To clone a project in order to obtain a different version of the project simply duplicate the project folder with another name and open the new folder with the button Open Project When the project is created or opened it is possible to access the various configuration sections of the device General Parameter Translate Table Ping Device Chapter 2 Using the Compositor Software 2 1 1 General parameter This section defines the main communication parameters of two busses where the Programmable Modbus TCP to Modbus RTU protocol converter is inserted Generic Mo
9. dule Modbus TCP Slave Ethernet 10 100 Modbus RTU at 9600 baud Modbus TCP Modbus RTU IP 192 168 1 101 Baud rate 9600 Parity Even Generic Module Modbus RTU Slave Generic Module Modbus RTU Slave Generic Module Modbus TCP Slave Generic Module Modbus TCP Slave Main scheme of a connection for a protocol converter between a Modbus TCP line and a Modbus RTU network Protocol converter Modbus TCP Modbus RTU General Parameter Operation Mode Routing Mode O NAT Mode MODBUS TCP MODBUS RTU IP Address ORrs232 GRS485 132 fies 5 jor y Baud rate Subnet Mask Parity NONE gt pss 255 255 p a Timeout ms TEON port 502 C Query Pause ms Jf ok 9 cancel The Operation Mode field defines the operation of the protocol converter in Routing or NAT modes see the Operating Modes paragraph Inthe IP Address field insert the IP Address of the Ethernet port Inthe Subnet Mask field insert the Subnet Mask of the Ethernet port The Port field defines which port is to be used for communication on the Modbus TCP in default this has the predetermined standard value of 502 Inthe field Baud Rate the speed of the BUS Modbus RTU is defined Inthe field Parity the parity of the BUS Modbus RTU is defined e Timeout is the maximum time the Protocol Converter waits for a response from the Slave RTU e
10. ed Blinking RS485 active Other deltadue series modules Steady lit A 1 HEHE Ethernet connected D O LINK Steady lit 9 NC 9 10 11 12 NC 13 11311415 16 RS232 port Personal Computer Ol to update the device configuration NC NC NC NC NC NC Male plug for power supply RS485 Modbus gt RS485 Modbus master port om o Power supply switch 24 Vac dc Ethernet 10 100 Appendix A Connections and Jumpers Cables characteristics A 2 1 RS232 cable The connection from the RS232 terminal to a serial port example from a personal computer must be made with a cable exactly like to the pin out in the following diagram It is recommended that the RS232 cable does not exceed 15 meters 67 8 9 Personal Computer COM port DY RS232 serial communications port B Ne o TX COM A 2 2 Ethernet cable The connection of Ethernet to a HUB must be carried out by a Category 5E cable The cable has to conform to the T568 norms relative to connections in Cat 5 up to 100 Mbps The length cannot go beyond 100 meters Micro switches setting A 3 1 On the printed circuit board of the Protocol Converter there are 3 groups of micro switches that are to be correctly set to let the Protocol Converter function and
11. int Chapter 2 Using the Compositor Software In the above scenario Specify the type of data between e Holding Register word in read and write Input Register word in read From the side of the Modbus TCP Address of data to read From the side of the Modbus RTU Address of the device to interrogate Address of data to read on device Return to the TCP Master from the variable Return to the protocol converter from the 100 of the device in address 5 Step 4 variable 100 of the device in address 5 Step 3 Request by the protocol converter form the Holding Register in address 100 to the device in address 5 Step 2 Request to the protocol converter from the Holding Register in address 1000 Step 1 Modbus RTU a 9600 baud Ethernet 10 100 Modbus TCP Modbus RTU IP 192 168 1 101 Baud rate 9600 Parity Even Module Modbus RTU Slave Address 5 Module Modbus TCP Master Protocol converter Modbus TCP Modbus RTU The data of the columns have the following meanings DATA TYPE indicates the type of data that is being considered e ADDRESS TCP indicates the virtual address of the present data in a device in the RTU Modbus e ADDRESS DEVICE RTU indicates the address of the device on the RTU Modbus that contains the data e ADDRESS RTU indicates the address of the data on the RTU device e No POINT indi
12. s the update Click on Next button to access the device options Select the options needed and click on the button Execute update firmware to start the update process Wait for the graphical bar to reach the end Remove the jumper and reboot the Protocol Converter Chapter 2 Using the Compositor Software 2 3 2 TCP device update In order to download the parameters you must click the button Update Via TCP on the Compositor main window Update Firmware from Ethernet TCP ES Insert the IP Address of DY 5220 gt Check the Connection of DY 5220 Ping Device Found x Cancel Update Firmware from Ethernet 109 Update Device Options Ni Firnmvare Read Firmware when finish M project NH Read Project when fenish Execute update firmware 5W67507 TCP Update INIT FIRMWARE PROJECT 1 At this point you must insert the IP address of the Protocol Converter To test the connection you can Ping the IP address using the Ping button If all is OK the system answers Device found 2 Click on Next button to access the device options 3 Select the options needed and click on the button Execute update firmware to start the update process 4 Wait for the graphical bar to reach the end A 1 Female plug for power supply RS485 Modbus Connection scheme RS485 Modbus master port Appendix A Connections and Jumper power
13. slave which is specified by the byte unit identifier A requested Modbus TCP made in the device as the address 192 168 0 200 for the holding register address 2000 which is MBAP unit identifier has the value of 2 It will be followed by the request on the serial for the device with the address 2 at the word 2000 After the request has been made the RTU will respond The master TCP will be given the same response which will be reconstructed according to the specifications of the Modbus TCP If the RTU slave responds with an exception that very exception code will be transmitted again to the TCP master In case the RTU slave does not respond in the time defined by the Timeout parameter an exception response will be given error code 0B Natting When using the operation mode Natting the requested data will be processed through a table of translations of the Modbus network addresses Below is an illustration of this situation Translate Table Within the section Translate Table you can define the variables that can be read or written by the TCP bus on the RTU bus when the device is in NAT mode Example 1 To write a register from TCP network address 1000 in the RTU network on the device at e Address RTU device 5 WORD 100 Address RTU You need to define the following variable GN Set Translate Table Ioj x e DataType Address TCP Address Device ARTU Address ATU Jubera Mesa Holding Register 1000 5 SetPo
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