MODport User`s Manual
Contents
1. Cancel Help Cancel Help 54 1 Serial Format Serial format define the data format on the serial interface where it is RTU or ASCII The default setting is RTU 54 2 Character Timeout In the MODBUS RTU protocol character timeout is used to signal the end of a message If there is an improper timeout occurs during sending message time period it will cause a CRC checksum error and the message will be discarded To improve this situation whenever MODport 10X receives a byte from its serial port it will check the data in its buffer and estimate the message length Base on the message length MODport 10X calculates CRC checksum If the CRC checksum matches we know that is the end of the message Therefore even there is a timeout error with the message MODport 10X can correctly parse the message and convert the MODBUS RTU packet into MODBUS TCP packet 5 4 3 Message Timeout This parameter allows you to set the time during for MODport 10X to wait for the response message When message timeout occurs MODport 10X would response an exception to MODBUS master if generate exception is enabled 5 4 4 Inactive Timeout Inactive timeout allows MODport 10X to tear down a TCP IP connection when there is no activity for a period of time In case there is a networks failure or power outage MODport 10x Manual 19 All the TCP IP connection resource would be occupied by previous connec2. Enter to save settings ESC return Space bar refresh page connected 0 19 33 Auto detect 9600 8 N 1 38 MODport 10x Manual 10 Using Telnet Telnet can be used to configure the MODBUS gateway from any PC on the LAN The Telnet window displays the same configuration information shown in Console Mode and allows Gateway Properties to be configured See chapter 5 for details on Gateway Properties Ensure the PC and MODport 10x are connected to the LAN and the MODBUS gateway is in RS 232 RS 422 or RS 485 mode before you can telnet to it and access the configuration screens From the Desktop click Start then Run The Run dialogue box will open Type in Telnet and the IP address of the MODBUS gateway to be configured then click OK Type the name of a program folder document or Internet resource and Windows will open it For you The Telnet window will open and the Server screen will appear See chapter 9 for configuration screens and navigation Please note that telnet console is disabled when serial console is enabled MODport 10x Manual 39 11 Using Web Server The Web Server can be used to configure the MODBUS gateway from any web browser software such as Internet Explorer Gateway Properties can be set up using three browser pages See chapter 5 for details on Gateway Properties In Internet Explorer type the IP Address of the MODBUS gateway into the address field nea
3. nennen eterne 11 4 USING MANAGER SOFTWA FRE 12 4 1 SEARCHING LAN FOR MODPORT 10X eese enne 12 4 2 CONFIGURING GATEWAY PROPERTIES ccccecsessscecececeesensscecececeesenseaeeeeeees 13 5 GATEWAY PROPERTIES 14 5 1 SERVER CONFIGURATION ccccccccccececsessscececececsessaececececeessaaecesececeeseasseeeeeens 14 5 1 1 AYAAUZ MATTER 14 5 1 2 DEKO NUMNDEF ri E Uu enis 14 5 1 3 Password Muna au an a iqu auto u obs 15 5 1 4 Version amp Dale ie ecc ctt tese a ee ERE EC 15 5 2 NETWORK CONFIGURATION 000002 01 01101000000000000000000000 15 5 2 I DVT CP saatn ene tes 15 5 2 2 V VITARE 16 5 2 3 AD u uo asa au eee edet re edere ane 16 5 2 4 AT C 16 5 2 5 16 5 2 6 Enk Statu EE 16 MODport 10x Manual i 5 3 SERIAL INTERFACE CONFIGURATION 17 5 3 1 Serial erven thiet do kadu Suk Se na go render tener tes 17 5 3 2 Baud Rate sss bereden ere be keo Boendale es 17 5 3 3 Data Parity Stop sss eed duode san ki eso 17 5 3 4 PLOW 18 3 5 5 Serta Port Mode hee ul Q uui Q Q QS 18
4. Cancel 8 A window showing the Upgrade progress will appear followed by window indicating the Upgrade was successful n Upgrade 9 MODport 10x will reset itself to complete the upgrade process MODport 10x Manual 13 Troubleshooting Q Why sometimes Hyperterminal loses characters or display funny characters A This happens when you open a new Hyperterminal connection and keep inputting the same character The reason is before Hyperterminal receiving two different characters from the other end its status is Auto detect and your port settings haven t fully take effect so the transferred data is not predicable To solve this problem input two different characters from the other end then the Hyperterminal status will show your port settings such as 9600 8 N 1 save this Hyperterminal connection Next you open your saved Hyperterminal connection everything will be fine Q What should I do when I forget the IP address or baud rate setting of a MODport 10x A You can use the searching capability to get the information of all MODport 10x on the network Double clicks on the searched result will show the detail configuration parameters of the device Q Why I cannot open virtual COMx A The server settings and virtual COMx settings may not match please make sure their IP address protocol port and flow control mode are the same and the remote IP address should be the host IP address Bes
5. System devices Universal Serial Bus controllers J 4 Select the Configuration tab From here the same settings found in the MODport Manager can be adjusted MODport 10x Manual 31 32 a I lu MODport 10x Manual 8 Uninstalling the Virtual COM Port The MODport Manager Software Uninstall Virtual Com port feature will remove the mapped COM port in the Device Manager of Windows 2000 and XP operating systems It may also be removed in the Device Manager of Windows 98 ME NT 2000 and XP Windows 98 users will also find a Remove Virtual COM feature in the programs file 8 1 Removing the Virtual COM port with Manager Software 1 At the Desk Top select Start Programs MODport MODport Manager 2 Inthe Manager window select Virtual COM Configuration Highlight the mapped COM port number to be removed Sever View Bit Help 4 m OQ m Firmware Virtual Searching Uninstall Monitor Port Install Virtual Upgrade Configurat Server Status COM Virtual COM List Serial Server List Ready 3 Select Uninstall Virtual COM button The Manager will ask for confirmation Select Yes to complete the uninstall procedure r vcomui m o Are you sure you want to uninstall COM10 MODport 10x Manual 33 8 2 Removing the Virtual COM Port using Device Manager The screen shots
6. 5 5 9 Maximum Connection This field allows the user to configure the Serial Server to have up to eight TCP connections 5 5 10 Remote IP Address This is a security feature that is activated when the IP address of the desired client is programmed into the remote IP Address setting of the menu This tells the MODport 10x to communicate with only the listed IP address and to filter out all other requests for connection The MODport 10x is setup in the menu as a TCP or UDP server to us this feature MODport 10x Manual 23 The default setting is 255 255 255 255 It is recommended not to change this setting until the application has been tested and is communicating properly At that point the address filtering feature of the MODport 10x can be activated 5 6 Update Save Gateway Properties must be updated separately for each serial port Updating varies slightly depending on which of the four configuration user interfaces are used 5 6 1 Updating the Gateway Properties in Manager Software From the Gateway Properties screen click the Update button to store the configuration settings for the currently selected port The vcomui dialogue box will appear indicating you must restart the device before the new settings will take effect Click Yes You must restart the device before the new settings will take effect Restart now 5 6 2 Saving Configuration Data in Console Mode or Telnet Saving updating Gateway Properties is done fro
7. e Default When this mode is selected and the gateway is updated it will revert the gateway to its default configuration 5 3 6 Operation Mode There are two operation modes MODBUS and bridge In MODBUS mode the gateway is function as MODBUS protocol translator In bridge mode the gateway is function as data forwarding between Ethernet interface and serial interface Also the virtual COM only works with bridge mode 18 MODport 10x Manual 54 MODBUS configuration MODBUS Gateway Properties WRS MODBUS Gateway Properties x Server Network Serial Mode MODBUS BRIDGE Serial IN Maximum connection 1 gt inactive Timeout 0 sec RTU Char Timeout 1 100ms Message Timeout 10 100ms Server Network Serial Mode MODBUS BRIDGE Serial Port 1 Maximum connection 1 gt inactive Timeout 0 sec Format RTU Char Timeout 1 100ms Message Timeout 10 100ms Gateway Type TCP Masterto Serial Slave gt TCP Master to Serial Slave Gateway TCP Master to Serial Slave Listening TCP port 502 Remote IP address fiter 255 255 255 255 35 25 25 25 55 255 255 Use MBAP s UID or specify an UID 1 0 255 Generate excepion 1 r TCP Slave to Serial Master TCP Slave to Serial Master UID range Slave IP address TCP port to 8 0 0 0 0 502 T
8. 54 MODBUS CONFIGURATION naaa neee enne 19 5 4 1 Serial za quna Q Wens vede sonko Marien wetens 19 5 4 2 Character TImeOWE oce che c RITE 19 5 4 3 Message Timeolt 19 5 4 4 Inactive Timeout ii eite eere exer erai 19 5 4 5 Maximum 8 20 5 4 6 Gateway Types dU nappe 20 5 4 7 Listening TOP sc TU eU edere 20 5 4 8 Use MBAP s UID or Use Specific UID annen eneen eneen 20 5 4 9 Generate exception sh RD p 20 5 4 10 Remote IP Address filter 20 Dual UID Rangers asa qua p boon 21 5 4 12 Slave IP Address and TCP port sse 21 5 5 BRIDGE CONFIGURATION eeessssssssesecssesasesesesessesatansssssssesannnssssetss 21 5 5 1 Protocol nesten tenet ende 22 5 5 2 Serial t REO re MERE 22 5 5 3 TCP Alive 22 5 5 4 Connection 8888888 22 3 5 2 Delimiter HEX and Delimiter HEX 2 sss 22 5 5 6 Force aa aaa a u US SS aS Aulia u Zab 23 5 5 7 Port Status diis Error Bookmark not defined 5 5 8 FGPAUDP seitens eee 23 5 5 9 CORHROCIOWY1AT i Ss niei tec saa n E ERE 23 5 5 10 Maximum 23 5 5 11 Remote IP Address 8 23 5 6 UPDATE SAVE nier erre versed era ee PERRA PEE sed STULTE 24 5 6 1 Updating the Gateway Properties in Manager Software
9. Flashing Green data is transmitting MODport 10x Manual 5 2 5 Dip Switches A double DIP switch allows the MODport 101 MODport 102 to be placed into Console Loop back Default Data Mode SW1 SW2 Mode ON ON Console ON OFF Loop back OFF ON Factory OFF OFF Data Switches ON ON position the MODport 101 MODport 102 enters Console Mode allowing configuration of the MODport 101 MODport 102 from a PC running a terminal program such as Hyperterminal When the MODport 101 MODport 102 enters Console Mode the Console Mode screen will appear in the Hyperterminal program window The serial port settings must be 8 N 1 at 9600 baud Note Telnet console will be disabled when serial console is enabled Switches ON OFF position the MODport 101 MODport 102 will work at Loop back Mode all data is sent back immediately either from Ethernet side or from serial port side Switches OFF ON position the MODport 101 MODport 102 will revert to its factory version firmware no matter what newer firmware has been upgraded This prevents any problem cause by a bad upgrade Switches OFF OFF position the MODport 101 MODport 102 will enter Data Mode RS 232 RS 422 or RS 485 for normal operation 2 6 Serial Connection The MODport 10x has one two or four DB 9 male connectors The serial port is configured as a DTE data terminal equipment device just as PC s COM ports Therefore a null
10. 1 At the Desk Top select Start Programs MODport MODport Manager Double click the Virtual COM Configuration button Vitual COM List Serial Server List Ready 2 Double click the COM displayed in the screen to open the configuration window hl Virtual COM Configuration Map To COM10 Flow Conto None Cancel Protocol TCP IP Address 192 168 1 1 Port Number 4000 30 MODport 10x Manual 3 Make the adjustments and select OK to complete the changes 7 2 Configuration with Device Manager 1 On the Desk Top select Start Settings Control Panel Select the System Icon when the Control Panel window opens 2 Inthe System Properties window select the Device Manager button 3 Inthe Device Manager select the button next to Ports COM amp LPT to expand and see the MODport COM Double click MODport COM to open the Properties window M Device Marso gt P File Action View Help esn al eres 4 ij Dennis PC P Batteries Bluetooth Radios Computer Disk drives 8 Display adapters 9 DVD CD ROM drives 533 Human Interface Devices IDE ATA ATAPI controllers Zj Imaging devices Keyboards Mice and other pointing devices Monitors Network adapters 4 Other devices Bluetooth Peripheral Device 4 7 Ports COM amp LPT 17 Sport MI Processors a Sound video and game controllers
11. 24 5 6 2 Saving Configuration Data in Console Mode or Telnet 24 5 6 3 Web Server Interface eese eene enne 26 6 INSTALLING VIRTUAL COM PORT A 27 CONFIGURING VIRTUAL COM PORT 30 7 1 CONFIGURATION WITH MANAGER SOFTWARE cernere 30 7 2 CONFIGURATION WITH DEVICE MANAGER ener 31 8 UNINSTALLING THE VIRTUAL COM PORT 33 8 1 REMOVING THE VIRTUAL COM PORT WITH MANAGER SOFTWARE 33 ii MODport 10x Manual 8 2 REMOVING THE VIRTUAL COM PORT USING DEVICE MANAGER 34 9 USING CONSOLE 36 10 USING TELNET esscssessescesesseseesessesessessesessessesessessesessesseseesessesessesses 39 11 USING WEB SERVER sessesessessesessesseseesessesessesseseesesseseesesseseesesses 40 12 UPGRADING THE MODBUS GATEWAY 43 13 TROUBLESHOOTING scesessescssesseseesessesessessesessesseseesesseseesesseseesesses 45 MODport 10x Manual 1 Introduction The MODport 10x MODBUS TCP to RTU ASCII gateway allows serial MODBUS RTU ASCI to communicate and interoperate with MODBUS TCP based device The early development of MODBUS protocol is an asynchronous protocol designed to connect directly to computer s asynchronous serial ports MODBUS has been exte
12. Dis IP Address 192 tmask 295 192 way MAC Address Moni tor Link Status 100 Fu Configuration lt lt Network Message ESC return Space bar refresh page Comecei 00120 Auto detect 36 MODport 10x Manual MODport 10x Manual Data Stop bits MI Parit Bridge trol Moni tor Serial Port Mode Configuration Operation Mode lt lt Serial Mode Message ESC return Space bar refresh page Connected 01704 Aute detect 96008 1 Network Gateway type ial Mode Serial Format Character Timeout idge Message Timeout Moni tor Inactive Timeout Configuration Maximum Connection Listening TCP port Use MBRP s UID Use specific UID Generate exception IP Address filter TCP Master to Serial Slave RIU 10 5 0 65535 1 ON 10 10ms 0 65535 8 X Sec 8 65535 1 502 Enable 10 Disable 1 255 255 255 255 37 Once all the changes have been made move to the Configuration screen select Save and press Enter The restart message will appear Select Yes to save changes This is necessary to write the settings to the server 12 HyperTerminal Unicensed puer tdt Yew Cal Transfer De 3 Passport Networks Inc avo Default Running Reset eae LI You must restart the device before the new setting will take effect i Save now Li ME No LI
13. IP address range fields are provided 5 5 2 Serial Timeout Default is 0 or no timeout Setting timeout to any value between 1 and 65535 seconds activates it If communications are idle for specified timeout value the serial server will reset and make itself available for another connection 5 5 3 TCP Alive Timeout This monitors TCP activity If TCP activity stops for the length of time specified in this field the connection will be closed This field can be set to any value between 0 and 255 minutes If zero or no value is entered into this field the server will not disconnect 5 5 4 Connection Mode The Connection mode field has three options Server Client and Client no heartbeat When Client or Client no heartbeat is selected the Connection at field automatically becomes active allowing the user to select Power up or Data arrival e When using the Virtual COM Port feature select Server e When using a TCP or UDP Socket program select Server e When using Paired Mode communication between two serial servers set up one as a Client and the other as a Server e When connecting to a server that does not support Heartbeat select Client no heartbeat 5 5 5 Delimiter HEX1 and Delimiter HEX 2 These two fields allow the user to enter two ASCII characters in hex format that delimit the beginning and end of a message When a message with both these delimiters is received at the serial port the data contained in the serial buffe
14. MODBUS gateway allows the legacy MODBUS RTU ASCII devices to operate on a MODBUS TCP network It allows either MODBUS serial master or slave to communicate with MODBUS TCP s slave or master MODBUS TCP masters to MODBUS RTU ASCII slaves MODPort 10X allows multiple MODBUS TCP masters to communicate with a MODBUS serial network Since MODBUS serial network can only handle one query at one time queries from different masters are pipelined and processed one by one MODBUS RTU ASCII master to MODBUS TCP slaves When MODport 10X function as MODBUS RTU ASCII master to MODBUS TCP slave gateway MODport 10X can connect up to 8 MODBUS TCP slave User can specify a UID range for each MODBUS TCP slave MODport 10x Manual 1 Inactive timeout MODport 10X provides inactive timeout that allows user to specify a time period to disconnect TCP IP connection if there is no activity in the network It could be the peer of the connection is down if the connection does not tear down it would occupy one connection slot and prevent any another connection again Configuration tools User friendly MODport management software provides an easy way to configure MODport 10X It can search all MODport within a local area network independent of its subnet It can also find a MODport of a specific IP address over wide area network MODport 10X can also be configured by its console port or through telnet connection MODport 10X also provides web interface for user to configu
15. This will depend on the LAN switches hubs used in the LAN topology 16 MODport 10x Manual 5 3 Serial Interface Configuration MODBUS Gateway Properties 22 Server Network Serial Mode MODBUS BRIDGE Baud rate 9600 Data Stop bits a Parity None Flow control None y Serial port mode RS232 4 Operation Mode Bridge 5 3 1 Serial Port This field indicates the number of the port for with MODBUS gateway properties are currently being displayed Changing the number in this field will cause all the other fields to display the properties for the specified port Note however that before changing ports any change to properties must be Updated Saved or the MODBUS gateway will not retain them 5 3 2 Baud Rate The serial port baud rate on the MODport 10x must match the serial baud rate of the connected device unless using Virtual COM mode In Virtual COM mode the application program can setup this parameter on the fly by sending normal COM command and MODport 10X will set it on the fly as if MODport 10X s serial port is one of PC s COM port 5 3 3 Data Parity Stop This setting will have to match the data format of the connected device unless using Virtual COM mode In Virtual COM mode the application program can setup this parameter on the fly by sending normal COM command and MODport 10X will set it on the fly as if MODport 10X s se
16. UID range Slaves IP address Destination TCP port 1to8 0 0 0 0 502 MODport 10x Manual 2 Making the Hardware Connections The following information is provided to give the user an understanding of how to connect the MODport 10x to the LAN and serial device A review of the switch settings and the functionality of the LED s are also provided 2 Power Connection The MODport 10x has a two pins terminal block and power jack Power can apply on either terminal block or the power jack It accepts 7VDC 24VDC 500mA power supply When power is apply a green light label as run will flash every one second to indicate the system is up and running 22 Ethernet Connection A straight through Ethernet cable can be used to connect the MODBUS gateway to an Ethernet hub switch or wall plate A crossover Ethernet cable can be used to make a connection directly to the NIC Network Interface Card on a PC or laptop 2 3 Reset Button The reset button can be found between the switch and terminal block To reset the unit manually apply power insert a small plastic tool and press lightly depressing switch Hold for 1 second and release The Link and Run light will go out and turn back on 24 LED Definition Led Name Led Function Link Green 100 BaseTX Ethernet connection established Yellow 10 BaseT Ethernet connection established Run Flashing Green system is ready Serial 1 2 3 4 Green connection established
17. for MODport 10x connected to the network Displaying and changing the configuration of MODport 10x Installing virtual COM ports on a computer Displaying and configuring virtual COM ports Uninstalling virtual COM ports on a computer Upgrading the MODport 10x firmware Monitoring Port Status Saving and Loading Configuration Files Once the MODport 10x is connected to the LAN the Manager software will be able to search the LAN for all connected MODport 10x servers and will display them in a window by name and IP address 41 Searching LAN for MODport 10x 1 Select MODport 10x Manager in the program file menu If the default location was selected during the installation the program will be found under Start Programs MODport Select MODport Manager As soon as the MODport 10x Manager opens it will initiate Searching Server and after a few seconds the MODBUS gateway List will display all MODport 10x MODBUS gateways on the local area network To manually initiate a search for servers on the menu side bar double click the Searching Server button The Search Setup box will appear It provides two options for searching for servers on the network e Specify the IP address of the MODBUS gateway e Search all reachable servers Enter the IP Address assigned to the desired MODBUS gateway or click Search all reachable servers then OK The Searching window is shown until all active MODBUS gateways on the LAN are listed in the MODBUS gateway List w
18. master to a MODBUS serial slave 5 5 Bridge configuration When setup in bridge mode MODport 10X does not convert MODBUS protocol between TCP and RTU ASCII it simply forward data between Ethernet interface and serial interface MODBUS Gateway Properties mom Server Network Serial Mode MODBUS BRIDGE Serial Connection Serial Port Delimiter 1 00 Force transmit 0 Delimiter 2 00 Protocol TCP TCP UDP Listening 4000 TCP Connection Serial Inactive timeout 0 TCP Inactive timeout 0 Connection mode Server Connection at Power u Remote IP address 255 255 255 255 Maximun connection 1 UDP Connection Destination address range Dest Port Source IP address range ores m MODport 10x Manual 21 5 5 1 Protocol Select TCP or UDP protocol If the application does not require a UDP connection select TCP TCP guarantees reliable communication with error checking whereas UDP provides faster transmission but no guarantees that data is received by the peer device When UDP mode is chosen the Serial timeout TCP alive timeout Connection mode Connection at Maximum connection and Remote IP address fields are replaced with the following three fields Destination IP address range Port number and Source IP address range In this mode the server can be configured to broadcast data to and receive data from multiple IP addresses Four
19. modem cable is required to make a connection between a COM port on a PC to the MODport 10x serial port The cable to connect the MODport 10x serial port to a DCE device must be straight through The MODport 101 has one serial port The port can be configured as a Console Mode connection or as RS 232 RS 422 or RS 485 interface to the MODport 101 if all of the DIP switches are in the OFF position using the Manager software via Telnet or using the Web Server 6 MODport 10x Manual The MODport 102 has two serial ports Port 1 operates the same as the MODport 101 serial port Port 2 on the MODport 102 is a RS 232 only interface The MODport 104 has four serial ports each configurable through software as RS 232 RS 422 or RS 485 interface 27 DB9 Pin Configuration The RS 232 interfaces are configured as DTEs Data Terminal Equipment The connectors for all ports are DB 9 Male Pin RS 232 RS 422 RS 485 DCD RXD RXD TXD DTR TXD DO GND GND GND DSR CTS RTS CTS CTS RTS RI RTS CO YY N MN BY GQ RO 2 8 Serial Port Operational Modes Using the Manager software the first serial port of MODport 10x can be set to Console Default or Upgrade Mode The serial ports can be configured for RS 232 RS 422 or RS 485 operation The MODport 10X also can be set to Console Mode by placing all the DIP switches into the ON
20. were taken from a Windows XP operating system 1 On the Desktop select Start Settings Control Panel Select the System icon when the Manager window opens 2 Select Device Manager in the Systems Properties window In the Device Manger window select the next to Ports COM amp LPT to expand 1 eske Nove gt ws _ File Action View Help LL D B el eres 4 ij Dennis PC Batteries Bluetooth Radios Computer ca Disk drives X Display adapters 44 DVD CD ROM drives 533 Human Interface Devices IDE ATA ATAPI controllers Imaging devices Keyboards Mice and other pointing devices 8 Monitors Network adapters 4 Other devices Jy Bluetooth Peripheral Device 4 7 Ports COM amp LPT 17 ESport MI Processors a Sound video and game controllers System devices Universal Serial Bus controllers J 3 Highlight MODport COM to be removed go the Action tab at the top of window and select uninstall A confirm Device Removal window Will appear Select OK to proceed Confirm Device Uninstall ESport COM10 9 Waming You are about to uninstall this device from your system 34 MODport 10x Manual 4 The MODport COM will be removed and the Device Manager window will refresh and display the remaining COM ports MODport 10x Manual 35 9 Using Console Before the MODport is installed on a L
21. 1101000510 Server Name MODport 101 Password Version amp Date Hardware ID PP 1002 A 5 1 1 Server Name The server name is user configurable It is recommended users with more than one MODport 10x connected to the LAN assign a new name to each When the Manager software searches for servers on the LAN it will display the server name allowing the user to distinguish between MODport 10xs 5 1 2 Serial Number Each MODport 10x has a unique serial number This is fixed and cannot be changed 14 MODport 10x Manual 51 3 Password Entering a password activates a security feature on the MODBUS gateway Once a password is entered it will be required to access the menu and make changes 5 1 4 Version amp Date The currently loaded version of the firmware and when it was released are shown here 5 0 Network configuration MODBUS Gateway Properties x Server Network Serial Mode MODBUS BRIDGE DHCP IP address 192 168 1 3 255 255 255 0 Gateway 192 168 254 MAC address Link status 10 Half Duplex 521 DHCP DHCP servers are a part of numerous LAN management systems The DHCP field has two selections Enable or Disable Arrow to the desired selection and select enter When enabled MODport 10x will send a DHCP request to the DHCP server which will assign a dynamic IP address netmask and gateway to the MODport 10
22. AN the Console Mode can be used to change the settings from the defaults Connect a null modem cable between the serial port on the MODport and the COM port on the PC Apply power to the MODport The Run LED will flash See chapter 5 for details on Gateway Properties Using Hyper Terminal open the connected PC COM port at a baud rate of 9600 Data bits 8 Parity None Stop bits 1 and Flow control None Ensure all the DIP switches are in the ON position for MODport To view the menu hit the space bar There are six Console Mode screens Server Network Serial Mode Operation Monitor and Configuration Tab Back Space and arrow keys can be used to highlight the desired function on the screen list Pressing Enter moves the cursor to the first field with the current screen The configuration fields can be changed by pressing Enter and selecting from the list that appears The Escape key moves the cursor back to the screen list Pressing the Space Bar refreshes the page Wew ander na 50862 Passport Networks Inc Model Nane NODpor t 101 Networl 1 Serial Number 110010120 Serial Mode Server Name NODpor t 101 NODBUS Password Bridge Version amp Date 1 9 10 amp 022011 NA Moni tor Hardware Configuration lt lt Status and help line ESC return Space bar refresh page 00009 Auto detect BEDOBNI s x we Passport Networ DHCP
23. MODBUS TCP to RTU ASCII Gateway Users Manual Model MODport 101 MODport 102 MODport 104 July 2011 1 INTRODUCTION seseesessescesesseseesessesessessesessessesessesseseesessesessesseseesessesessesses 1 1 1 FEATURES uem dtm i 2 1 2 PRODUCT SPECIFICATIONS scssccccccecsessssececececsessssececcceceessnseaeceeeceesenseaeeeeeens 3 1 3 DEFAULT SETTINGS cetero RE EE EUER 4 2 MAKING THE HARDWARE CONNECTION S 5 2 1 POWER CONNECTIONS sia sisas laisser ees eem feb ete ue 5 2 2 ETHERNET CONNECTION ssoecssssesssosscesssstastsssscetesstassasssoesssssesssssosetss 5 2 3 RESET BUTTON Ko pek 5 2 4 LED DEFINITION Sa sitet terc HE e E 5 2 5 DIP SWATCHES bett e B EA UU va aes 6 2 6 SERIAL CONNECTION 6 2 7 DB9 PIN CONFIGURATION 2 2 2 2 1 000101000000000000000000000 7 2 8 SERIAL PORT OPERATIONAL MODES 7 2 6 1 Gonsole Mode e ERR m a a hE ec 7 2 8 2 Upgrade Mode sss Ase ad ERE 2 8 3 Default Mode ia BA ERO dE a 2 8 4 RS 232 MOG sss es t Rea a EUER TOO 8 2 8 5 RS 422 Mode sviso SEE ERR ERE ER en ORES 8 2 8 6 R 455 MO0d8 s TE TTT TE a 8 MODPORT 10X SOFTWARE INSTALLATION 9 3 1 NEW INSTALIATION at pa OU LES 9 3 2 UPDATING AN EXISTING INSTALLATION
24. Por Page f E 7 o dm Page e Note If you leave this page without saving all changes will be ignored Serial port 1 2 Serial port mode RS 232 bd Baud rate 9600 ad Data Stop bits 8 amp 1 Parity None ka Flow control None le Port status Not connected Operation mode MODBUS Note If you leave this page without saving all changes will be ignored Internet Protected Mode On fay 100 To change other operational properties click Operation on the left side of the browser window The following page will appear MODport 10x Manual 41 tic W vs Inte CJ e mp 19216814 modbushtr B x IP Googie ir Favorites la Suggested Sites v B Web Slice Gallery 88 Using Gadget Designer 468 Operation Page Oo mo Pager Safetyv e 7 MODport 101 Web Configuration MODport 101 Note If you leave this page without saving all changes will be ignored Server Serial Port MODBUS Bridge TCP Master to Serial Slave 7 Use MBAP s UID or use specific UID 10 0 255 71 Generate Exception Remote IP address TCP Slave to Serial Master 1 100 Click Save to store changes to the MODBUS gateway Settings for each Port must be s
25. Save before leaving that page or the changes will be ignored 26 GO je Windows Internet http 192 168 1 3 vanoot searen _ 2 Server Page Server Serial Port MODBUS Bridge f gt gt Page Tools gt Passport Networks Inc MODport 101 Web Configuration MODport 101 Note If you leave this page without saving all changes will be ignored Server name Serial number Version amp Date MoDport 101 1101000510 19105 0707011 Password 1 address Netmask Gateway MAC address Link status Hardware ID Disable 192 168 1 3 1 255 255 255 0 192 168 1254 00 05 84 31 12 96 10 Duplex PP 1002 A Save Defautt Running Reset Note If you leave this page without saving all changes will be ignored MODport 10x Manual 6 Installing Virtual COM Port The Virtual COM Port feature allows Windows platform software using standard API calls to be used in an Ethernet application Running the Install Virtual COM port software adds a COM Port in the Device Manager of the operating system The COM port will look like a standard COM port to Windows software used in most applications allowing the software to open a connection with the serial port located anywhere on the LAN When using the v
26. Start button on the desktop At the Run command line type D start exe Then select OK The D is the drive letter for the CD Rom Pen 2 7 Type the name of a program folder document or Internet resource and Windows will open it for you Open D start exe a 2 The Install Shield Wizard window automatically displays to begin the setup procedure InstallShield Wizard aj Setup is preparing the InstallShield Wizard which will guide you through the rest of the setup process Please wait PITT TTT 3 Select Next when the MODport 10x Setup window appears MODport 10x Manual 9 ESport Setup Welcome to the InstallShield Wizard for ESport InstallShield Wizard will install ESport on your computer To continue click Next Cancel 4 In the Choose Destination Location window select Next to install the Manager software in the default location Select Browse to install into a user selected directory ESport Setup Choose Destination Location Select folder where Setup will install files Setup will install ESport in the following folder To install to this folder click Next To install to a different folder click Browse and select another folder Destination Folder C Program Files ESport The installation progress will be shown until complete 5 Select Finish when the Install Shield Wizard Complete screen appears When the installation is complete the Inst
27. ady Data Set Ready DSR 87 Requestto Send RTS 0 48 Clear to Send CTS a Ring Indicator RI 1 DBS Male n Outside 552279 8 46 MODport 10x Manual
28. all window closes allowing the user to access the Manager software in the program files If loaded in the default location Go to Start Programs MODport MODport Manager to open 10 MODport 10x Manual ESport Setup InstallShield Wizard Complete Setup has finished installing ES port on your computer Connect the MODport 10x to the LAN and apply power The Run LED will flash indicating power has been applied and communications with the unit can begin and the Link LED indicates an Ethernet connection has been made 3 2 Updating an Existing Installation If an older version of the Manager software is already installed the Modify repair or remove the program window will appear when the installation process is initiated InstallShield Wizard Welcome Modify repair or remove the program amp Welcome to the ESport Setup Maintenance program This program lets you modify the current installation Click one of the options below 8 Modify Select new program components to add or select currently installed components to remove C Repair Reinstall all program components installed by the previous setup Remove E Remove all installed components Back Cancel The recommended procedure is to remove all installed components first Once the software has been removed install the new software MODport 10x Manual 11 4 Using Manager Software The Manager software performs several functions Searching
29. aved separately 42 MODport 10x Manual 12 Upgrading the MODBUS gateway Firmware New firmware may be available at times on our web site and may be downloaded and flashed to the MODport 10x currently in use The user can upgrade using a direct connection to the MODport 10x serial port or the Virtual COM port feature 1 Download the new upgrade hex file and place in a folder 2 Set MODport 10x to Upgrade mode Ensure that the DIP switches on MODport 101 or MODport 102 are all in the OFF position and make sure MODport is in bridge mode 3 Connect a null modem cable between the PC and the MODport 10x When using the Virtual COM mode a cable is not required 4 Open the Manager software and select the Firmware Upgrade button 5 In the Serial Port selection options select the COM port number used to connect the PC to the MODport 10x If using the Virtual COM port select that number 6 Select Browse find the location of the firmware select Open and then select the upgrade button ms Upgrade firmware through serial COM port HEX File Browse Serial COM1 52 Cancel 7 serial menu will appear allowing the upgrade software to be setup the same MODport 10x Manual as the MODport 10x serial settings The settings must match or the upgrade will fail 43 44 Bits per second 115200 Data bits 8 27 Parity Stop bits 1
30. cting to the Virtual COM port will be unsuccessful in opening the COM port Note In Windows XP a Hardware Installation window stating that the drivers have not been tested by Microsoft may appear Select Continue Anyway to proceed with the installation When finish click Cancel on the Found Server window To confirm installation go to the Device Manager and select Ports COM amp LPT The installed Virtual COM port will be displayed as MODport 10x COM MODport 10x Manual File Action View Help AS a a Dennis PC b Ab Batteries gt Bluetooth Radios gt W Computer b Disk drives gt Display adapters gt DVD CD ROM drives b Human Interface Devices gt lt q IDE ATA ATAPI controllers b 23 Imaging devices gt Keyboards b Mice and other pointing devices i Monitors 5 Network adapters 5 Other devices i Bluetooth Peripheral Device 42 Ports COM amp LPT n Processors b a Sound video and game controllers IMi System devices b 9 Universal Serial Bus controllers MODport 10x Manual 7 Configuring Virtual COM Port The Virtual COM port can be configured in the Device Manager of the operating system or the Manager software In either case the IP Address Port Protocol and Flow Control settings must match the MODport 10x settings for the software to open the Virtual COM port 71 Configuration with Manager Software
31. erver Firmware upgradeable Power amp Environment Power Requirements 7 24 VDC 500 mA MODport 101 500 mA MODport 102 500 mA MODport 104 Operating Temperature 0 to 70 C 32 to 158 F Storage Temperature Humidity Approvals Dimensions 20 to 90 C 4 to 194 F 0 90 Non Condensing CE FCC 3 35 x 4 5 x 0 90 in 8 5 x 11 5 x 2 3 cm MODport 101 MODport 102 6 0 x 4 5 x 0 9 in 15 2 x 11 5 x 2 3 cm MODport 104 MODport 10x Manual 1 3 Default Settings Server name Serial number Password DHCP IP address Netmask Gateway MAC address Version amp Date Serial port Baud rate Data Stop bits Parity Flow control Serial port mode MODBUS parameters Serial data format Character timeout Message timeout Inactive timeout Maximum connection Gateway type MODport 101 MODport 102 or MODport 104 Fixed see bottom label Blank Disable 192 168 1 1 255 255 255 0 192 168 1 254 Fixed see bottom label current firmware version number and date 9600 8 1 None None RS232 RTU 100 ms 18 0 minute Disabled 1 TCP Master to Serial Slave TCP Master to Serial Slave Listening TCP port Use MBAP s UID Use specific UID Generate Exception Remote IP address filter MODport 10X 502 MODport 102 MODport 104 port 2 503 MODport 104 port 3 504 MODport 104 port 4 505 Enable 10 Off 255 255 255 255 TCP Slave to Serial master
32. ides the MODport 10x cannot be at Console mode Q Why the arrow keys of hyperterminal in Windows 2000 do not work in Console mode and telnet A Please download new version of hyperterminal The hyperterminal comes with Windows 2000 does not send the arrow key code properly Q Why I am unable to change the parameters of port 1 A Serial port 1 is designated console port The default setting for the console port is 9600 8 N 1 If the serial port 1 is set to console port It will use the default value that is why it does response to the change Please check hardware switch or Gateway Properties page to see if the serial port mode of the port is set to console Please change it to other mode then its parameter can be changed Q Why the parameters in the web console are different than those in the Gateway Properties of management utility A The edited parameters in the web console only take effect after reset MODport Web console show the edited configuration While in the management utility show the running configuration That is why they might appear differently It is not recommended to edit server s configuration using two different tools at the same time Because all change could be over written by other method MODport 10x Manual 45 RS 232 Loopback Connections DTE Computer Loopback DBS 2 Receive Date 3 Transmit Deta Tx 84 DTE Reedy Data Terminal Ready DTR 5 Signal GroundiCommon SG 6 DCE Re
33. indow MODport 10x Manual Biwi Sf Server View Exit Help t Firmware Virtual COM Searching Uninstall Monitor Port Install Virtual Zigbee Upgrade Configurat Server Virtual COM Status COM Console gt E Server name IP address Protocol COM name Status MODport 101 192 168 1 3 MODBUS 502 Not mapped Not connected Virtual COM List Serial Server List Ready 42 Configuring Gateway Properties Highlight the MODBUS gateway in the MODBUS gateway List window and double click to open the Gateway Properties window The Gateway Properties window is used to configure and store the Server configuration settings Details for setting Properties are described in the next chapter After configuring as needed click Update to store the configuration in the server and click Yes to restart the server to make sure all settings are changed to conform to the desired application MODport 10x Manual 13 5 Gateway Properties There are four ways to access the Gateway Properties and program the MODport 10x Manager Software Console mode Telnet or Web Server Instructions on how to move around in the user interface and change settings pertains to the Manager software are similar in others 51 Server Configuration MODBUS Gateway Properties 2x7 Server Network Serial Mode MODBUS BRIDGE Passport Networks Inc Model Name MODport 101 Serial Number
34. irtual COM port the MODport 10x is configured as a TCP or UDP Server 1 On the Desk Top select Start Programs MODport Install Virtual COM 2 Select the Search all reachable servers check box then click OK n Search setup Search Specified Server IP Address Search all reachable servers Cancel 3 The Install Virtual COM program will automatically search the LAN for all available MODport 10x MODBUS gateways and display them in the Found Server window Highlight the desired MODBUS gateway and click Install Found Server Server name IP address Protocol Flow control COM name 4000 None Not mapped MODport 10x Manual 27 When the COMInst window opens select COM port to map the MODBUS gateway to The Flow Control Protocol IP Address and Port Number will mirror the settings of the selected MODBUS gateway Highlight the desired COM port and select OK mi COMInst OK Cancel Map To Me Flow Control None C RTS CTS C Xon Xoff Protocol TCP IP Address 192 168 1 1 Port Number 4000 K If any settings are changed in this part of the Virtual COM setup it will only affect the settings in the operating system Device Manager It will not change the settings in the MODport 10x The settings of the Virtual COM port in the Device Manager and the MODport 10x Configuration menu must match If the settings do not the software conne
35. m the Configuration screen Access the Configuration screen by tabbing through the list of screens on the left side of the window and highlighting Configuration There are four options shown on the right side of the Configuration screen Save Default Running and Reset Use Tab Backspace or arrow keys to move the cursor to the option position then press Enter a sas HyperTerminal Unli license Elle Edit View Call Transfer Help Oels oom Passport Networks Inc Server Save Network Default Serial Mode Running MODBUS Res Bridge Monitor 1 l Enter to save settings ESC return Space bar refresh page Connected 00005 Auto detect 9600 8 N 1 24 MODport 10x Manual Telnet 192 168 1 3 x ave Network Default Running return Space bar refresh page e Save stores the configuration data to the MODBUS gateway flash memory and resets it e Default restores the configuration data to factory default settings Running restores the configuration data to the last values stored in the flash memory Reset re boots the MODBUS gateway making it available for a client connection MODport 10x Manual 25 5 6 3 Web Server Interface The Web Server interface provides the same updating options as Console Mode and Telnet These are located at the bottom of all three Web Server pages If a field is changed you must click
36. nded to operate over Ethernet using the IP protocol This gateway converts between the MODBUS TCP IP protocol and MODBUS RTU ASCII protocols transparently MODBUS RTU ASCII The MODBUS protocol emerged in the mid 1970s as an early protocol for linking terminals with Modicon PLC s using a master slave protocol The original MODBUS serial line specification included two transmission modes RTU and ASCII The MODBUS RTU uses binary coding and CRC error checking MODBUS ASCII mode is more readable but less efficient because each byte is represented by two ASCII code and it uses less effective LRC error checking The communications are initiated by MODBUS masters using polling query response protocol The master can send broadcast messages using a unit ID of 0 which all slaves accept but do not reply to Normally the master polls individual slaves sequentially MODBUS TCP is designed to allow MODBUS protocol to be carries over TCP IP based networks Unlike MODBUS RTU ASCII which a master can communicate to multiple slaves using UID MODBUS TCP sets up a point to point connection To communicate with multiple slave devices different TCP IP connection is needed for each slave device Also multiple polling queries messages can be pipelined or queued The response messages could be replied out of order by the slave devices Therefore a transaction ID is assigned to each polling message to avoid mixing up query and response messages The MODport 10x
37. position 2 8 1 Console Mode The console mode allows access to the MODport 10x setup menu This is one way to reconfigure the default settings for the application A serial connection is made between a COM port on the PC and the MODport 10x serial port 1 with a null modem cable In console mode the serial port defaults to an RS 232 interface The serial port default settings are baud rate 9600 8 data bits no parity and 1 stop bit HyperTerminal should be used for this type of setup HyperTerminal s serial settings are configured the same as the mentioned default settings and must be set to VT100 emulation mode The default settings are used when the first serial port is set to console mode regardless the actual configuration parameters are MODport 10x Manual 7 See Chapter 9 for console usage details 2 8 2 Upgrade Mode The newest firmware can be upgraded to MODport 10x using the PC s serial port or the Virtual COM port See Chapter 12 for upgrade details 2 8 3 Default Mode When Default Mode is selected and the Gateway Properties are updated saved all configuration settings return to their default values 2 8 4 RS 232 Mode The RS 232 supports 8 signals plus Ground and is configured as DTE like a computer Signals are single ended and referenced to Ground To use handshaking Flow Control must be set to RTS CTS during Configuration Refer to the Pin out table for connections 2 8 5 RS 422 Mode The RS 422 mode s
38. r is placed 22 MODport 10x Manual in an Ethernet packet and sent out the Ethernet port If only Delimiter 1 is set Delimiter 2 is zero or blank upon receiving Delimiter 1 the MODport 10x will put all the data in the serial buffer in an Ethernet packet and send it out the Ethernet port If serial data greater than kilobyte is received it will automatically be placed in an Ethernet packet and sent out the Ethernet port 5 5 6 Force Transmit This field allows the user to set a maximum time limit between transmissions of data The value set in this field multiplied by 100 ms determines the Force Transmit time When the elapsed time reaches the time configured in this field the TCP IP protocol will pack the data currently in the serial buffer into a packet and send it out the Ethernet port 55 7 TCP UDP Listening Port The TCP UDP Port defines a communication port number In all modes of operating Virtual COM Direct IP and Paired modes both the TCP UDP Client and server port settings must match For example the Virtual COM s default setting TCP UDP Port 4000 If the port of the MODport 10x is changed to 4001 the Virtual COM TCP UDP Port will have to be changed to 4001 5 5 8 Connection At When the Connection Mode field is set to Client or Client no heartbeat this field becomes active allowing the MODport 10x acting as a client to connect to the server either on Power up or on Data Arrival first character arriving
39. r the top of the window and press the Enter key The following window will appear GL http 192 16814 She Favorites is Suggested Sites ig Web Slice Gallery Using Gadget Designer Server Page MODport 101 Web Configuration MODport 101 Server Serial Port MODBUS Bridge a x f r de Pager Safety Note If you leave this page without saving all changes will be ignored Server name Serial number Version amp Date Password DHCP IP address Netmask Gateway MAC address Link status Hardware ID MODport 101 110010120 1 9 10 amp 022011 Disable 192 168 1 1 255 255 255 0 192 168 1254 00 08 B4 81 19 88 100 Full Duplex INA 1 Save Default Running Reset Note If you leave this page without saving all changes will be ignored de Internet Protected Mode On R10 Navigate and change properties as required using the mouse and keyboard To change serial port properties click Serial Port on the left side of the browser window The following page will appear 40 MODport 10x Manual E http 1921681A porthtm v 8 41 X Google p Favorites Suggested Sites gt Web Slice Gallery MI Using Gadget Designer 88
40. re it by a web browser MODport 10X can work at Loop back Mode all data is sent back immediately This feature makes the connection testing easy 11 Features DIN rail or Panel mount Supports 10 100 Mbps Ethernet Supports RS 232 RS 422 and RS 485 serial interface Supports LAN and WAN communications Management access is password protected Connecting up to 8 MODBUS TCP master devices to 31 MODBUS RTU ASCII slave devices e Connecting a MODBUS RTU ASCII master device to 8 MODBUS TCP slave devices e Automatically generate exception when RTU ASCII slave device does not response e Provide inactive timeout for connection auto recovery when power failures e Remote IP address filtering allows MODport to reject unwanted incoming connection source 2 MODport 10x Manual 12 Product Specifications Serial Memory Serial Connection LAN Serial Interfaces Data Rate Parity Data Bits Stop Bits Protocol Management output 64K bytes per port for MODport 101 102 32K bytes per port for MODport 104 Input 8K bytes per port DTE BD 9 male 10 100 Mbps Auto detecting 10 Base T 100 Base TX RS 232 TX RX RTS CTS DTR DSR DCD GND RS 422 TX TX RX RX RTS RTS CTS CTS GND RS 485 Data Data GND 110 bps to 230 4 k bps none even odd mark space 5 6 7 or 8 1 1 5 or 2 TCP IP ARP DHCP Telnet HTTP UDP ICMP Manager software Serial Console Telnet Web s
41. rial port is one of PC s COM port MODport 10x Manual 17 5 3 4 Flow Control The flow control setting must match the connected serial device unless using Virtual COM mode In Virtual COM mode the application program can setup this parameter on the fly by sending normal COM command and MODport 10X will set it on the fly as if MODport 10X s serial port is one of PC s COM port 5 3 5 Serial Port Mode This allows configuration of the MODBUS gateway for the following modes of operation e RS232 When this mode is selected and the gateway is updated the selected serial port will become a RS 232 serial port on the gateway e RS 422 When this mode is selected and the gateway is updated the selected serial port will become a RS 422 serial port on the gateway RS 485 When this mode is selected and the gateway is updated the selected serial port will become a RS 485 serial port on the gateway e Console When this mode is selected and the gateway is updated a PC running a communication program such as Hyperterminal can communicate with the MODBUS gateway via the Console Mode serial port Port 1 on MODport 10x displaying the Gateway Properties screen and allowing configuration of the gateway and its ports e Upgrade When this mode is selected and the gateway is updated firmware can be uploaded into the MODBUS gateway via the Console Mode serial port or a virtual COM port mapped to the number of the Console Mode serial port
42. s header and convert the message into MODBUS serial format with the extracted UID If this parameter is disabled MODport 10X sends the converted message to MODBUS serial slave device with UID defined in the Use Specific UID field 5 4 9 Generate exception When this parameter is enabled MODport 10X will generate exception message when slave device does not response to the query command or message timeout 5 4 10 Remote IP Address filter 20 MODport 10x Manual This is a security feature that is activated when the IP address of the desired client is programmed into the remote IP Address setting of the menu This tells the MODport 10x to communicate with only the listed IP address and to filter out all other requests for connection This feature is only enabled at gateway type TCP Master to Serial Slave The default setting is 255 255 255 255 It is recommended not to change this setting until the application has been tested and is communicating properly At that point the address filtering feature of the MODport 10x can be activated 5 4 11 UID Range MODport 10X use UID range to map a query from a MODBUS serial master with an UID within this range to an IP address and a TCP port This is only used when the gateway type is MODBUS TCP slave to MODBUS serial master 5 4 12 Slave IP Address and TCP port This is only used when the gateway type is MODBUS TCP slave to MODBUS serial master MODport 10X maps a message from MODBUS serial
43. tion that prevent from MODport 10X to accept further incoming connection 54 5 Maximum Connection This parameter defines the number of TCP connection to the gateway in either MODBUS TCP master or slave mode The maximum number of the connection is 8 When MODport 10X is set as gateway of TCP master to serial slave it can accept Polling Query from up to 8 different TCP masters Each query will handle in sequence since MODBUS serial interface can only handle one query at a time All other queries will be queued until the previous query is finished or timeout MODport 10X can queue up to 8 queries If there are more than 8 queries at one time those queries will be discarded and eventually TCP master will get a timeout 5 4 6 Gateway Type This parameter defines what kind of MODBUS devices which MODport 10X is connected to There are two types of connection e MODBUS TCP master to MODBUS serial slave e MODBUS TCP slave to MODBUS serial master The default setting is MODBUS TCP master to MODBUS serial slave Each serial port in MODport 10X can be configured into different gateway type 54 7 Listening TCP port The default listening MODBUS TCP port number is 502 It is recommended to use port number larger than 1024 if use TCP port number other than 502 Since most of TCP port number under 1024 are used by particular protocol 5 4 8 Use MBAP s UID or Use Specific UID If this parameter is enabled MODport 10X will extract the UID in MBAP
44. upports 4 signals with full duplex operation for Receive Transmit RTS Request To Send and CTS Clear To Send The data lines are in differential pairs Ground provides a common mode reference To use handshaking Flow Control must be set to RTS CTS during configuration Refer to the Pin out table for connections 2 8 6 RS 485 Mode The RS 485 mode supports the Transmit and Receive Channels using 2 wire half duplex operation The data lines are differential pair Ground provides a common mode reference Refer to the Pin out table for connections RS 485 Receiver Biasing can be implemented from the MODport 10x if the network does not supply it Remove the two side cover screws of the MODBUS gateway slide the cover off and re position the bias jumpers to enable biasing shorting 8 MODport 10x Manual 3 MODport 10x Software Installation It is recommended the user install the Manager software and do a search for all MODport 10xs connected to the LAN When search is completed a window will list the devices making them available for configuration Configuring the MODport 10X to meet your LAN and application requirement is an easy process with the available setup menu in the Manager software 3 1 New Installation The following procedure installs the MODport 10x Manager Software 1 Inserting the MODport 10x CD in the CD ROM will automatically launch the Install Shield Wizard To manually start the software installation select the
45. x If a DHCP server is not available on the network the MODport 10x will time out after 10 MODport 10x Manual 15 seconds and the default values will remain When DHCP is enabled the IP address Netmask and Gateway fields become inaccessible and cannot be changed by the user 5 2 2 IP Address A static IP address can also be assigned in this section of the menu A dynamic address assigned by the DHCP server may change if the MODport 10x loses the Ethernet connection or power is removed The host client communication software requests a connection to the specific IP address of the MODBUS gateway If the DHCP reassigns a different IP address the software will not be able to communicate with the hardware It is recommended to use a static IP address A static IP address is permanent and will not change unless changed in the menu In most cases the network administrator establishes the static address to be used 52 3 Netmask The default LAN netmask is configured for a Class C address This may be reconfigured by the user 5 2 4 Gateway The gateway IP address allows users to access the MODBUS gateway from outside the LAN 5 2 5 MAC Address The MAC address is not adjustable This is assigned in the factory Every Ethernet device manufactured has it own unique MAC address 5 2 6 Link Status Link status automatically displays the type of Ethernet connection It will either display 10 BaseT or 100BaseTX in full duplex or half duplex
Download Pdf Manuals
Related Search