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PROFIBUS DP / Modbus TCP Gateway

EP-321MP

User Manual

REV 1.2

Sibotech Automation Co., Ltd

Technical Support: 021-5102 8348

E-mail:support@sibotech.net

Summary of Contents for EP-321MP

Page 1: ...PROFIBUS DP Modbus TCP Gateway EP 321MP User Manual REV 1 2 Sibotech Automation Co Ltd Technical Support 021 5102 8348 E mail support sibotech net...

Page 2: ...t EP 123 13 6 2 User Interface 13 6 3 Equipment View Operation 15 6 3 1 Equipment View Interface 15 6 3 2 Equipment View Operation Mode 15 6 3 3 Equipment View Operation Types 16 6 4 The Operation of...

Page 3: ...www sibotech net en 3 9 1 Mechanical Dimension 35 9 2 Installation 35 Appendix Using STEP7 Set PROFIBUS DP 37...

Page 4: ...etc please visit the SiboTech website http www sibotech net En 1 2 Important User Information The data and examples in this document cannot be copied without authorization Sibotech maybe upgrade the...

Page 5: ...cification 2 PROFIBUS DP slave baud rate adaptive maximum baud rate of 12M 3 PROFIBUS DP input data up to 244 bytes of output data up to 244 bytes input output data up to 488 bytes 4 As a Modbus TCP m...

Page 6: ...thin the scope of the requirements to burn module To prevent water water module will affect the normal work Please check the wiring before any wrong or short circuit 2 5 Related Products Related produ...

Page 7: ...www sibotech net en 7 3 Hardware Description 3 1 Product Appearance Ethernet PROFIBUS DP DIP Switch Power supply LED Rotary address Switch...

Page 8: ...tarted MS NS and STA flashes once Boot up MS and NS ON Configuration status 3 3 DIP Switch 3 3 1 Status Configuration Switch The configuration switch is located on the button of the product The functi...

Page 9: ...in the left side is used for setting the PROFIBUS DP address of the device In this example the PROFIBUS node address will be 42 4x10 2x1 3 4 Connectors 3 4 1 PROFIBUS DP Connector DB9 pin Function 3 P...

Page 10: ...Data output S2 TXD Tranceive Data output S3 RXD Receive Data input S4 Bi directional Data S5 Bi directional Data S6 RXD Receive Data input S7 Bi directional Data S8 Bi directional Data 3 4 3 Power Co...

Page 11: ...twork output buffer When the gateway acts as Modbus TCP master Modbus read commands will write the read data to the network input buffer for PROFIBUS DP accessing Modbus write register commands get da...

Page 12: ...on code to read he data PROFIBUS DP master outputted Network input buffer is Modbus TCP master output at the Modbus TCP side It is mapped to the Modbus holding register Users can use No 3 command or N...

Page 13: ...ure EP 321MP and other products Here is to introduce the use of EP 123 Double click on the icon to enter the main interface 6 2 User Interface EP 123 user interface include title bar menu bar toolbar...

Page 14: ...mmand Upload Upload the configuration form the gateway Download Download the configuration into the gateway Conflict detection To check whether there are some conflicts with configured commands in the...

Page 15: ...Monitor the gateway memory buffer data 6 3 Equipment View Operation 6 3 1 Equipment View Interface 6 3 2 Equipment View Operation Mode For equipment interface support three operation modes edit menu...

Page 16: ...node under Ethernet 2 Delete node Left click on the node to be deleted and then perform the operation of deleting the node The node and all commands will be deleted 3 Add commands Left click on the no...

Page 17: ...ting node execute operation of paste node Then at the Ethernet rear part you can see a new node include all commands under the node Node parameters of new node is default setting it needs to be reset...

Page 18: ...subnet mask gateway address DNS1 DNS2 response timeout delay between polls output mode As shown below Assign IP mode Manual Assign BOOTP and DHCP optional Response wait time After the Modbus TCP maste...

Page 19: ...ritten data means that Modbus TCP master is using the 04H function code to read the output data from the PROFIBUS DP master to the Ethernet side the use of 03H read back the written data of the PROFIB...

Page 20: ...l To access the server IP address IP address to access Modbus TCP slave Device status open close optional When it is opened memory mapped address and memory mapped bits offset is available Memory mapp...

Page 21: ...in the device view click the Ethernet node commands the configuration view screen displays as shown below Configurable parameters Modbus register start address data number the starting address of memo...

Page 22: ...l address for example the following table Command Examples of PLC address Corresponding protocol addresses Coil Status 00001 00010 00000 00009 Input state 10001 10010 00000 00009 Holding Registers 400...

Page 23: ...eration command means the position where the start bit is in the byte range0 7 Byte swap No swap double byte swap and four byte optional 6 4 5 Comment Interface 6 5 Conflict Detection It is used to ch...

Page 24: ...range 0x0000 0x3FFFF Output mapping address range 0x4000 0x7FFFF Each grid represents one byte address Green read command is shown in input mapping area it will be in green without conflict Yellow Wr...

Page 25: ...mmunication Hardware communication menu items are shown as follows 6 6 1 Ethernet Configuration Here is the dialog of Ethernet configuration When Use the search function is checked SST EP CFG will aut...

Page 26: ...users use search function it will search all EP 321MP equipment when uploading and downloading the configuration When users don t use the search function users must appoint the IP address of equipmen...

Page 27: ...configuration then the dialog window will be show as follow Then click Landed button If upload the configuration is successful it will pump up the window as follow 6 6 3 Download Configuration The ope...

Page 28: ...www sibotech net en 28 6 7 Open and Save Configuration 6 7 1 Save Configuration Select Save and save the configured project as chg file...

Page 29: ...pen and open the saved chg file 6 8 Export EXCEL Excel configuration Excel file will help users to check the relevant configuration Select the export xls icon export the configuration information to e...

Page 30: ...9 Monitor I O Data This function is used to monitor the buffer data click Debug button on the toolbar and it will pop up the dialog box of searching equipment Click Landed it will pop up the I O data...

Page 31: ...lick Save Content button can save relevant content to the PC hard disk This button becomes Stop saving If you want to finish saving you can press Stop saving button It can pause displaying buffer data...

Page 32: ...www sibotech net en 32 7 Application...

Page 33: ...4 Words Input Word Consistent 2 Words Input Consistent Total length Consistent 4 Words Input Consistent Total length Consistent 8 Words Input Consistent Total length Consistent 16 Words Input Consiste...

Page 34: ...ch net en 34 For the data modules that support length consistency user can take compression way to send and receive data The compression way mainly uses SFC 15 when sending and receiving uses SFC 14 S...

Page 35: ...www sibotech net en 35 9 Installation 9 1 Mechanical Dimension Mechanical Dimension 1 57inch width 4 92inch height 4 33inch depth 9 2 Installation 35mm DIN rail installation...

Page 36: ...www sibotech net en 36...

Page 37: ...EP7 Set PROFIBUS DP The following show how to use STEP7 to configure EP 321MP First of all copy gsd file to the following path Step7 S7data gsd 1 Open SIMATIC Manager Figure 1 Figure 1 2 Click File Ne...

Page 38: ...www sibotech net en 38 3 Insert Station SIMATIC 300 Station Figure3 Figure 3 4 Open S7 PLC hardware configuration SIMATIC 300 1 Hardware double click Figure 4 Figure 4...

Page 39: ...www sibotech net en 39 5 Click Option Update Catalog update GSD in device catalog Figure 5 6 Here you can find your equipment in the right side of the window Figure 6...

Page 40: ...www sibotech net en 40 Figure 6 7 Set PLC rack click the Hardware Catalog SIMATIC 300 RACK 300 Rail Figure 7...

Page 41: ...ule and select the corresponding device type and the occupied slots 9 Create PROFIBUS DP network and set up PROFIBUS DP Click New and then Network settings select DP select a baud rate such as 187 5Kb...

Page 42: ...FIBUS Master station address Figure 9 Figure 9 11 Drag EP 321MP to PROFIBUS DP network bus and drag data modules to slots that is mapping the input and output data module into master controller s memo...

Page 43: ...first step is dragging EP 321MP to PROFIBUS DP network bus the mouse will change shape and that is to say it can be placed The second step is dragging data module into master controller s memory 12 Co...

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