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User Manual

Universal Serial/PROFIBUS DP Gateway

GT200-DP-RS

WWW.SSTCOMM.COM

16

4. The following steps introduce how to configure the GT200-DP-RS as a Modbus Master. The device is

“GT200-DP-RS Modbus Master V6.0”.

(1) Double click on a GT200-DP-RS device to open its properties window. In “General” window, Set the DP

parameters.

In “Parameter Assignment” window, set the Modbus parameters. The communication interface will use these

parameters to establish communication with Modbus serial devices.

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Summary of Contents for GT200-DP-RS

Page 1: ...Universal Serial PROFIBUS DP Gateway GT200 DP RS User Manual V6 1 Rev A SST Automation E mail SUPPORT SSTCOMM COM WWW SSTCOMM COM...

Page 2: ...duct without notifying users The product has many applications The users must make sure that all operations and results are in accordance with the safety of relevant fields and the safety includes law...

Page 3: ...on 8 3 2 Installation Method 8 4 Quick Start Guide 9 4 1 Connection 9 4 2 Configuration 11 4 2 1 Configure by SST MPG CFG Software 11 4 2 2 Configure by STEP7 PROFIBUS Integrated Configuration Softwar...

Page 4: ...6 Hardware Communication 38 6 6 1 Serial Configuration 39 6 6 2 Upload Configuration 39 6 6 3 Download Configuration 40 6 7 Load and Save Configuration 40 6 7 1 Load Configuration Project 40 6 7 2 Sa...

Page 5: ...Easy to use Users don t need to know details of PROFIBUS or Modbus protocol just configure the gateway according to the user manual then establish the communication Transparent communication Users ca...

Page 6: ...ion mode Supports up to 100 Modbus commands Function code 03 and 04 support Word Byte mapping The high byte or low byte mapping of the registers provides effective utilization of the PROFIBUS DP input...

Page 7: ...ROFIBUS DP Gateway GT200 DP RS WWW SSTCOMM COM 3 1 4 Revision History Revision Date Chapter Description V6 1 08 11 2020 ALL New Release V6 1 Rev A 08 20 2021 ALL Revised technical details New quick st...

Page 8: ...OFF Communication is normal STA Green Flashing Transferring data in PROFIBUS DP network OFF No data is transferred in PROFIBUS DP network TX Green Flashing Sending data from RS 485 422 232 interface O...

Page 9: ...ter 4 2 2 and TIA Portal to be configured Jumps between a number and U Run mode The number is the GT200 DP RS s PROFIBUS DP address U indicates that the GT200 DP RS is in the Software Configuration mo...

Page 10: ...4 RTS Request to send 5 GND 6 5 V for terminating resistors 8 PROFI_A Data Others Not connected Note It s recommended to use the standard PROFIBUS DP connector The PROFI_B Pin 3 PROFI_A Pin 8 and the...

Page 11: ...D D 1 2 3 4 5 R R Pin Description 1 R RS 422 Receive 2 R RS 422 Receive 3 GND 4 D RS 485 RS 422 Transmit 5 D RS 485 RS 422Transmit 2 5 4 RS 232 Interface 1 2 3 TX RX GND Pin Description 1 TX connected...

Page 12: ...l Universal Serial PROFIBUS DP Gateway GT200 DP RS WWW SSTCOMM COM 8 3 Hardware Installation 3 1 Machine Dimension Size 1 6 in 5 0 in 4 4 in 40mm 125mm 110mm 3 2 Installation Method Using 1 38 in 35mm...

Page 13: ...use the RS 232 interface the connections is shown below RS 232 Interface of GT200 DP RS RS 232 Interface of Computer TX RX GND 1 5 GND RX TX 3 Connect to the serial devices You can also connect the se...

Page 14: ...RS 485 Interface of GT200 DP RS The GT200 DP RS supports RS 422 interface as well GN D D D R R RS 422 Interface of GT200 DP RS RS 422 Device 1 RS 422 R RS 422 R RS 422 D RS 422 D RS 422 Device 2 RS 4...

Page 15: ...3 3 1 Download install and run the configuration software SST MPG CFG which can be found on the GT200 DP RS product page at sstcomm com 2 Click the upload button on the tool bar The Upload Configurati...

Page 16: ...ration Section to meet the needs of your project Note These parameters must match project device settings to ensure communication through our gateway 5 Right Click Subnet and Select Add Node Click the...

Page 17: ...eters in the Configuration Section to meet the needs of your project 8 Once the Fieldbus Subnet Node s and Command s are configured click AutoMap icon on the toolbar to map the Modbus data to the PROF...

Page 18: ...iguration software such as STEP7 or TIA Portal To apply this mode please change the configuration mode of the GT200 DP RS in SST MPG CFG software to via PROFIBUS DP Integrated Configuration Software a...

Page 19: ...ng folder 3 Add the GT200 DP RS to the PROFIBUS DP bus Drag the device and modules in the catalog to the DP bus as shown below Note In the DP Integrated Configuration mode you should use GT200 DP RS M...

Page 20: ...RS as a Modbus Master The device is GT200 DP RS Modbus Master V6 0 1 Double click on a GT200 DP RS device to open its properties window In General window Set the DP parameters In Parameter Assignment...

Page 21: ...want to add to in the catalog The added module is on the slot of the GT200 DP RS device Please select the appropriate modules according to the address area you want to read write Note The max number...

Page 22: ...0 DP RS WWW SSTCOMM COM 18 Then set the Modbus parameters in the Parameter Assignment window referring to the Modbus function code specifications After you finish the configuration click OK 5 Compile...

Page 23: ...s user quickly monitor data communication through GT200 DP RS For more details please refer to chapter 6 9 Note Under Software Configuration mode LED displays U the GT200 DP RS supports debugging with...

Page 24: ...us slave devices bu function code 05 06 15 or 16 Every address corresponds to one byte GT200 DP RS Input Buffer GT200 DP RS Output Buffer 0000H 4000H 0001H 4001H 0002H 4002H 0003H 4003H 0004H 4004H 00...

Page 25: ...e read by function code 02 or 04 The PROFIBUS DP master writes the data to the output buffer The data communication between PROFIBUS DP master and Modbus master through GT200 DP RS is shown below GT20...

Page 26: ...S input data Serial receiving data Serial sending data Eo Ei is the transaction number of the data frame i j is the data length of the data frame D1 Di D1 Dj are data being transmitted 5 3 2 Data Fram...

Page 27: ...tput Otherwise the data won t be sent to serial devices 3 The data length of PROFIBUS DP output module should be at least N 2 bytes 4 N M 2 should be equal to the length of PROFIBUS DP output module d...

Page 28: ...PROFIUS DP Output Address GT200 DP RS Output Buffer Module 1 N 0000H Module 3 X 4000H N 1 0001H X 1 4001H Module 2 M 0002H X 2 4002H M 1 0003H X 3 4003H M 2 0004H Module 4 Y 4004H M 3 0005H Y 1 4005H...

Page 29: ...e Configuring SST MPG CFG is a product based on the Windows platform and it can set related parameters and commands of Modbus and PROFIBUS DP through the GT200 DP RS Double click the icon to enter the...

Page 30: ...DP RS WWW SSTCOMM COM 26 Note All the gray parts in the software cannot be modified Toolbar is shown as below New Create a new configuration project Save Save the current configuration Open Open a co...

Page 31: ...d Configuration Download the configuration from the software to the module Calculate Mapping Address Calculating mapping address automatically Conflict Detection Detect whether there is conflict in me...

Page 32: ...on subnet or existing nodes and then perform the operation of adding a new node Then there will be a new node named new node under subnet 2 Delete nodes Right click on the node to be deleted and then...

Page 33: ...ose the node and execute the operation of copying nodes include all commands under the node 7 Paste node Left click and choose any existing node execute the operation of pasting the node Then under th...

Page 34: ...imes 2 to 254 can be selected PROFIBUS address Use the hardware to set the address or PROFIBUS address can be selected Compatibility mode Open or Close can be selected 6 4 2 Interface of Subnet Config...

Page 35: ...ges from 5 60000ms Delay between polls After one Modbus command has been sent and has received a correct response the delay time before the next command is sent ranges from 0 2500ms Output Mode Modbus...

Page 36: ...alue is 0 to 600 and the unit is 0 1ms If the value is 100 then the time interval is 100 0 1 ms 10ms Note The time interval does not contain cover the frame interval of the Modbus protocol Time interv...

Page 37: ...ng T serial port of the GT200 DP RS will send every byte according to the time interval The range of the value is 0 to 600 and the unit is 0 1ms If the value is 100 then the time interval is 100 0 1 m...

Page 38: ...Rate 300 600 1200 2400 4800 9600 19200 38400 57600 and 115200bps optional Data Bits 8 Check Bit none odd even mark and space optional Stop Bits 1 2 Frame Type Time Interval between Characters Frame l...

Page 39: ...en Characters Receiving The serial port of the GT200 DP RS will use this time interval as the judge receiving end basis The range of the value is 0 to 600 and the unit is 0 1ms If the value is 100 the...

Page 40: ...0000 0x00F3 Mapping bit 0 7 For the bit operation commands the position range of start bit byte is 0 7 Data filter There are three types of data filtering full word high byte and low byte Every regist...

Page 41: ...tion Click the command again will remove the selected box and it doesn t show the mapping location The function can be used for conflict detection of memory mapping area 6 5 2 Operation of Memory Mapp...

Page 42: ...User Manual Universal Serial PROFIBUS DP Gateway GT200 DP RS WWW SSTCOMM COM 38 6 6 Hardware Communication Hardware communications menu items are shown as follow...

Page 43: ...lable serial can be shown in the serial list After modifying all the items press OK to save your settings 6 6 2 Upload Configuration Choose upload configuration upload the gateway configuration inform...

Page 44: ...formation to the gateway the display interface is shown as follows Note 1 Before downloading the configuration please check whether the serial port configuration is the available port 2 Before downloa...

Page 45: ...ject before 6 8 Export EXCEL The Excel document helps users to examine the configuration 6 9 Debug This function is for debugging Modbus network communications the interface is shown as follows Click...

Page 46: ...odbus Master Status Shows communication state with slave response ok response timeout response abnormal and response error Slave Address Slave address in the configuration file HEX Starting Address Mo...

Page 47: ...figuration file only master HEX Function Code Command Modbus command in the configuration file only master HEX Starting Address Modbus register starting address HEX in the configuration file only mast...

Page 48: ...e package out Save Content Stop Saving The software supports saving the data to a local disk When the saving is complete users need to click Stop Saving to save it Stop Displaying Continue to Display...

Page 49: ...l application DPRS2V60M GSD Modbus master DPRS2V60S GSD Modbus slave DPRS2V60T GSD Universal mode The following chapters introduce the GSD files in STEP7 For how to import GSD files please refer to th...

Page 50: ...ds Input Consistent length 1 Byte Output byte N Word Output word N Words Output Consistent length Note 1 N and M are integers Please refer to the GSD file or Appendix for complete details 2 The consis...

Page 51: ...onal modules The supported modules are shown below Module Modbus Function Code Read N M Bits 0xxxx 01 Read N M Bits 1xxxx 02 Read N Word s 3xxxx 04 Read N Word s 3xxxx Consistent 04 Read N Word s 4xxx...

Page 52: ...0 600 700 800 900 1000 1500 2000 3000 4000 5000ms can be selected Delay Between Polls Delay time between the last response or response timeout and the new command It is available when Protocol Type is...

Page 53: ...ule is shown below Slave address Modbus slave address inquired by this command Function Function code of the command Starting Address Register Coil Status starting address Range 0 655335 No of Points...

Page 54: ...d The commands above the control module or exceeds the range are not controlled by the control module Each bit of the control module corresponds to the controlling state of a command below Value of Bi...

Page 55: ...ription 0 Response correct 1 Response error or timeout Note When the GT200 DP RS does not get the correct response of a command it will retry to send the command After 3 retries and the response is st...

Page 56: ...documentations Note 1 The index counts beginning at the first command module under the exception codes module 2 If the command responds error the index of this command will add 0x80 For example a com...

Page 57: ...Modbus Slave the corresponding GSD file is DPRS2S GSD with the device name GT200 DP RS Modbus Slave V6 0 When the GT200 DP RS acts as a Modbus slave users can create the memory for the Modbus coils s...

Page 58: ...ends on the device type GSD file For GT200 DP RS Modbus Slave V6 0 device it acts as a Modbus Slave Slave Address When Protocol Type is Modbus Slave configure the slave address of GT200 DP RS Range 1...

Page 59: ...nput Register 3x0001 48 Bits Input 0xxxx 0x Coil Status 0x0001 0x0048 1 Word Output 3xxxx 3x Input Register 3x0002 2 Word Input 4xxxx 4x Holding Register 4x0002 4x0003 16 Bits Output 1xxxx 1x Input St...

Page 60: ...s for the GT200 DP RS with the configuration in above figure the value of status module won t change 7 4 DPRS2T GSD In the DP Integrated Configuration mode if user wants to transmit universal serial d...

Page 61: ...ting Time Interval Between Characters in Receiving Frame Type if the interval time between characters exceeds the set time the data received before are regarded as a a frame Frame Length The number of...

Page 62: ...4 Word Input Consistent Length Integrity 8 Word Input Consistent Length Integrity 16 Word Input Consistent Length Integrity 1 Byte Output Byte Integrity 1 Word Output Word Integrity 2 Word Output Wor...

Page 63: ...User Manual Universal Serial PROFIBUS DP Gateway GT200 DP RS WWW SSTCOMM COM 59...

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