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9.5 Receive/Transmit Data

Modbus RTU work mode:

Receive data: After establishing connection successfully, data receiving section will display the receiving

data without other operations.

Transmit data: After establishing connection successfully, software receives data, and transmits data

according to Modbus protocol and displays them. Testing software currently only supports 03H and 10H function

codes (GS11-MT supports all the Modbus function codes, and supports the maximum data length allowed by the

protocol.), and 8 registers, and the start address of the register is 0(40001), users only need to modify the relevant

data in the data transmitting section.

Содержание GS11-MT

Страница 1: ...Embedded Modbus TCP Module GS11 MT User Manual REV 1 1 SST Automation E mail SUPPORT SSTCOMM COM WWW SSTCOMM COM...

Страница 2: ...TCP to SST Automation defined Protocol 15 4 1 Description 15 4 2 The Flowchart of User Program 17 4 3 Real time monitoring IP function 18 4 4 Transmit the Setting IP Address Message 18 4 5 SST Automat...

Страница 3: ...8 5 OK Cancel and Help 43 8 5 1 OK 43 8 5 2 Cancel 44 8 5 3 Help 44 8 6 IP Address Report 45 8 6 1 Parameter configuration 45 8 6 2 IP Address Report 46 8 7 New 46 8 8 Open 48 8 9 Save 48 9 Test Softw...

Страница 4: ...Automation defined protocol data mapping mode Ethernet is 10 100M adaptive Supports 4 Modbus TCP connects at most Can cache 20 Modbus TCP request messages at most in Modbus TCP to Modbus TRU mode Con...

Страница 5: ...host interface is UART half duplex 8 data bits one stop bit and no parity and support 9600 19200 38400 57600 115200 230400 baud rate Power 3 3VDC 3 14 3 45V 182mA Environmental temperature 40 85 humid...

Страница 6: ...Indicator Status Description Green Off No network connection Always on Have network connection Yellow Off No network data transmitting or receiving Blinking Have network data transmitting or receivin...

Страница 7: ...ptions Pin 1 TXD Transmit Data Pin 2 TXD Transmit Data Pin 3 RXD Receive Data Pin 4 BID Bi directional Data Pin 5 BID Bi directional Data Pin 6 RXD Receive Data Pin 7 BID Bi directional Data Pin 8 BID...

Страница 8: ...r the module will start with default IP address 192 168 0 11 and this mode is used to update the firmware of GS11 MT 11 BAUD2 Set the UART baud rate Input see the following table 12 BAUD1 13 BAUD0 14...

Страница 9: ...00 2 5 Reset Signal GS11 MT RESET Pin 14 is hardware reset signal input When the RESET pin is pulled down to GND or low to 2 88V lasting for 1 millisecond the module will be forced to reset and the ho...

Страница 10: ...port RTU response messages receiving from the serial port are converted to Modbus TCP response messages and are transmitted to corresponding Modbus TCP master The procedure of message transmission is...

Страница 11: ...www sstcomm com 11 3 2 The Flowchart of User Program...

Страница 12: ...the user to send the setting IP address message and the next step is the same with the first initialization 3 4 Transmit the Setting IPAddress Message When using UART to set the module IP address use...

Страница 13: ...3 Error code Index Error Code Explanation 0 1 Check sum error 1 2 Data length error 2 3 IP configuration mode does not exist 4 Extra error code is always 0xFF GS11 MT also has sending IP address repor...

Страница 14: ...rst 1 IP Address high byte first 2 3 4 5 Subnet Mask high byte first 6 7 8 9 Default Gateway Address high byte first 10 11 12 13 Check sum byte 0 byte 1 byte 12 Eg 0C C0 A8 00 BB FF FF FF 00 C0 A8 00...

Страница 15: ...ding to the SST Automation defined protocol of GS11 MT The procedure of message transmission is as follows GS11 MT SST defined protocol Modbus TCP Request1 Request2 Request Request a Request b Request...

Страница 16: ...nction Code 10H Function Code 03H Function Code 04H function code is used to read input data 06H and 10H function codes are used to write output data 03H function code is used to read back output data...

Страница 17: ...www sstcomm com 17 4 2 The Flowchart of User Program...

Страница 18: ...step is the same with the first initialization 4 4 Transmit the Setting IPAddress Message When using UART to set the module IP address user board host is the communication initiator and GS11 MT respon...

Страница 19: ...ode Index Error Code Explanation 0 1 Check sum error 1 2 Data length error 2 3 IP configuration mode does not exist 4 Extra error code is always 0xFF GS11 MT also has sending IP address reporting func...

Страница 20: ...10 11 12 13 Check sum byte 0 byte 1 byte 12 Eg 0C C0 A8 00 BB FF FF FF 00 C0 A8 00 01 95 The first byte is the length The length does not include length of checksum The each next four bytes are IP ad...

Страница 21: ...byte 0 byte 1 byte n 2 Response message of SST Automation defined protocol module user board Byte Correct response Byte Incorrect response 0 message length includes all following bytes except the che...

Страница 22: ...www sstcomm com 22 Index Error code Description 0 1 Check sum error 1 2 Data length error 4 Extra error code is always 0xFF...

Страница 23: ...ddress Report as shown below Select Enable enter the IP address and port number of terminal Eg computer which receives reports NOTE The terminal must be GS11 MT s IP address in the same network segmen...

Страница 24: ...www sstcomm com 24 8 Firmware Major Version Number Firmware Minor Version Number 9 MAC Address 10 MAC Address Always 0 11 IP Address 12 Subnet Mask 13 Gateway Address 14 Custom Name 15 16 17 18...

Страница 25: ...www sstcomm com 25 6 Dimension Unit mm Front...

Страница 26: ...www sstcomm com 26 Side PCB dimension...

Страница 27: ...n show as follow Pin Signal Description 2 RX Connect with pin TX of RS232 of PC 3 TX Connect with pin RX of RS232 of PC 5 GND Connect with pin GND of RS232 of PC DB9 hole connector crossover cable mus...

Страница 28: ...rve 1 0 0 1 Reserve 2 0 1 0 9600 3 0 1 1 19200 4 1 0 0 38400 5 1 0 1 57600 6 1 1 0 115200 7 1 1 1 230400 The baud rate showing in the picture is 115200bps The fourth bit of DIP is Default IP address l...

Страница 29: ...wer Power indicator On Power on Off Power off 1 RTS Reserve 2 TX GS11 MT UART transmits indicator Blinking GS11 MT UART is transmitting data Off GS11 MT UART isn t transmitting data 3 RX GS11 MT UART...

Страница 30: ...XP Windows 7 Free disk space min 130 M Byte CD ROM drive RAM min 256 M Byte recommended 512 M Byte Keyboard and Mouse Note The manufacturer default settings of GS11 MT are 192 168 0 11 subnet mask is...

Страница 31: ...rch the equipment The software provides two ways to search the equipment Followings are the two ways 8 2 1 Search All Equipment of Ethernet Click Search Equipment button in the main window the softwar...

Страница 32: ...www sstcomm com 32 8 2 2 IP Search Click IP Search button in the main window and there will be popping up a dialog box...

Страница 33: ...s in the network and list the information of the equipment in the table Note If you have selected IP Search correct IP address is needed otherwise it will search for nothing 8 3 Advanced Configuration...

Страница 34: ...Advanced Configuration window will appear when your entering password is correct Note If the module has a user password column Password of the table will show Required otherwise it will show None even...

Страница 35: ...GS11 MT module IP Configuration Mode Set the device s IP address configuration mode IP Address Set the device s IP address Subnet Mask Set the subnet mask of the device Default Gateway Set the defaul...

Страница 36: ...www sstcomm com 36 8 3 2 Password You can set up user password and admin password in this part After entering the password you need to confirm it otherwise there will display an alert box...

Страница 37: ...ddress Report Select check box before the Enable the parameters can be configured Auto Report To Set the remote Auto IP report server s IP address and UDP port Auto Report Period The time interval bet...

Страница 38: ...the host interface UART Note When choosing Setting the IP address via the host interface GS11 MT will not initialize it s Ethernet until Transmit the setting IP address message is correct Work Mode Th...

Страница 39: ...protocol mode you need to set Input Data Bytes Output Data Bytes and Unit ID Input Data Bytes Output Data Bytes Set input buffer s size and output data buffer s size and each data buffer s range is 0...

Страница 40: ...ation window 8 4 1 Ethernet Parameters Ethernet parameters include IP Configuration Mode IP Address Subnet Mask Default Gateway DNS1 and DNS2 IP Configuration Mode Set the device s IP address configur...

Страница 41: ...address of the device DNS1 0 0 0 0 currently only support 0 0 0 0 DNS2 0 0 0 0 currently only support 0 0 0 0 8 4 2 Password You can set up user password in this part After entering the password you n...

Страница 42: ...ress Report Select the check box before the Enable the parameters can be configured Auto Report To Set the remote Auto IP report server s IP address and UDP port Auto Report Period The time interval b...

Страница 43: ...Help 8 5 1 OK After configuring parameters you can click OK button to write the configuration into the GS11 MT module Save Save the configuration as inf format file to local disk Download Download the...

Страница 44: ...www sstcomm com 44 Save and Download Save to the local disk and download to the GS11 MT module 8 5 2 Cancel Click yes to save the configuration to the local disk 8 5 3 Help Open the software manual...

Страница 45: ...P management tasks GS11 MT Series products help out by periodically reporting their IP address to the SST EMT CFG software in case the dynamic IP has changed 8 6 1 Parameter configuration Fill the Aut...

Страница 46: ...www sstcomm com 46 8 6 2 IPAddress Report Configure the Local Listen Port to be same as the port of Auto Report To setting and then click begin 8 7 New Click New and select a configuration mode...

Страница 47: ...www sstcomm com 47 Enter the new configuration interface All of the data is set up with factory defaults...

Страница 48: ...select a kind of configuration to save the parameters of the equipment as inf format on your local disk A password dialog box will pop up if the GS11 MT has been set up with a password you can enter t...

Страница 49: ...www sstcomm com 49 If the GS11 MT has no password setting you can directly enter the save window...

Страница 50: ...ing GS11 MT You can obtain the method of testing GS11 EI in GS11 EI user manual EemTest can exchange data with GS11 MT via Development Board refer to chapter 6 You need to use the software with GS11 M...

Страница 51: ...guration mode IP address Subnet mask Gateway address cannot be changed and you can configure IP address and so on through configuration software SST EMT CFG Input data bytes Output data bytes The valu...

Страница 52: ...re configuration When choosing Use UART setting mode click Initialize to send initial messages and enter the running status If Use UART setting mode is not chosen click Initialize and enter the runnin...

Страница 53: ...www sstcomm com 53 If the connection is failed there will pop up an alert dialog and the options in the Parameters Configuration section will not be grayed...

Страница 54: ...ton will change to be unusable 9 4 Set Work Mode The first combo box in the Parameters Configuration session is to set work mode and currently it supports two kinds of woke modes Modbus TCP work mode...

Страница 55: ...www sstcomm com 55 SST Automation defined protocol work mode test software is the communication initiator and the module responses The interface is as follows...

Страница 56: ...g connection successfully software receives data and transmits data according to Modbus protocol and displays them Testing software currently only supports 03H and 10H function codes GS11 MT supports...

Страница 57: ...each two bytes HEX and the data length must be the same with Input data bytes Data receiving After establishing the connection successfully you will receive the data transmitted from the module and di...

Страница 58: ...www sstcomm com 58...

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