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User’s Manual of IMG-120T

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1.4 Applications

RTU/ASCII Master to Multi Modbus TCP/IP Slaves

The Industrial Modbus Gateway can act as a bridge between the industrial RTU/ASCII master equipment and the

multi-industrial TCP/IP slave equipment in a Modbus TCP/IP networking environment to control multi-industrial

TCP/IP slave equipment via the industrial RTU/ASCII master equipment.

Figure 1-1:

RTU/ASCII Master to Multi Modbus TCP/IP Slaves Application

Multi Modbus TCP/IP Master to RTU/ASCII Slaves

The Industrial Modbus Gateway can operate as a bridge between the multi-industrial TCP/IP master equipment

and the industrial RTU/ASCII slave equipment in a Modbus TCP/IP networking environment to control the

industrial RTU/ASCII slave equipment via the multi-industrial TCP/IP master equipment.

Figure 1-2:

Multi Modbus TCP/IP Master to RTU/ASCII Slaves Application

Содержание IMG-120T

Страница 1: ...User s Manual of IMG 120T 1 IMG 120T Industrial 2 Port RS422 485 Modbus Gateway ...

Страница 2: ...notice If you find information in this manual that is incorrect misleading or incomplete we would appreciate your comments and suggestions FCC Warning This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operat...

Страница 3: ...al and electronic equipment end users of electrical and electronic equipment should understand the meaning of the crossed out wheeled bin symbol Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately Revision PLANET Industrial 2 port RS422 485 Modbus Gateway User s Manual MODEL IMG 120T Revision 1 1 August 2017 Part No 2081 AH1230 001 ...

Страница 4: ...7 3 2 REQUIREMENTS 18 3 3 MANAGEMENT METHODS 19 3 3 1 Web Management Interface 19 3 3 2 Login the Industrial Modbus Gateway Web Interface 19 3 3 3 Remote IP based Telnet Interface 21 3 3 4 Login the Industrial Modbus Gateway Telnet Interface 21 3 4 PLANET SMART DISCOVERY UTILITY 23 3 5 PLANET MODBUS GATEWAY UTILITY 25 3 5 1 Installing PLANET Modbus Gateway Utility 25 3 5 2 PLANET Modbus Gateway Ut...

Страница 5: ...Filtering 61 4 7 3 MAC Filtering 62 4 7 4 User Management 62 4 8 SYSTEM MANAGEMENT 64 4 8 1 System Information 64 4 8 2 System File 65 4 8 3 Logout Reboot 65 CHAPTER 5 COMMAND LINE INTERFACE 67 5 1 ACCESSING THE CLI 67 5 2 TELNET LOGIN 67 CHAPTER 6 COMMAND LINE MODE 69 APPENDIX A 72 A 1 DEVICE S RJ45 PIN ASSIGNMENTS 72 A 2 RJ45 CABLE PIN ASSIGNMENT 72 ...

Страница 6: ...o Use This Manual This Industrial Modbus Gateway User Manual is structured as follows Section 2 HARDWARE INSTALLATION The section explains the functions of the Industrial Modbus Gateway and how to physically install the Industrial Modbus Gateway Section 3 INDUSTRIAL MODBUS GATEWAY MANAGEMENT The section contains the information about the software function of the Industrial Modbus Gateway and also ...

Страница 7: ... from 40 to 75 degrees C and a compact but rugged IP40 metal housing The Conversion Bridge that Makes Communications Convenient As the conversion bridge the IMG 120T communicates well between any industrial equipment with the Modbus RTU ASCII Protocol and the administrator workstation that runs the Modbus TCP IP Protocol The RS422 485 serial interface of the IMG 120T provides the Modbus RTU ASCII ...

Страница 8: ...g of the IMG 120T Modbus Serial Port State Monitoring The IMG 120T shows the details of the total bytes transmitted and received on the RS422 485 serial interface and the detailed total number of frames transmitted and received on the remote web telnet management interface This function allows network administrator to check the status and statistics of the IMG 120T via the single RS422 485 serial ...

Страница 9: ...ent via the industrial RTU ASCII master equipment Figure 1 1 RTU ASCII Master to Multi Modbus TCP IP Slaves Application Multi Modbus TCP IP Master to RTU ASCII Slaves The Industrial Modbus Gateway can operate as a bridge between the multi industrial TCP IP master equipment and the industrial RTU ASCII slave equipment in a Modbus TCP IP networking environment to control the industrial RTU ASCII sla...

Страница 10: ...32 slave TCP connection requests Slave mode supports 16 TCP master connections Management Function Built in IP based Web interface and telnet interface for remote management Supports IP address and MAC address filtering function PLANET Modbus Gateway utility for finding client device on the network and related IP subnet address setting to reset to factory default function PLANET Smart Discovery ut...

Страница 11: ... Ethernet Port Standard IEEE 802 3 10BASE T standard IEEE 802 3u 100BASE TX standard IEEE 802 3x full duplex flow control Connector RJ45 Distance 100 meters Hardware Copper Port 10 100BASE T RJ45 TP x1 auto MDI MDI X auto negotiation Serial Port RS422 RS485 x 2 DIP Switch Reset system to factory default LED Indicators System Power x 1 10 100BASE TX Port Link Active x 1 RS422 RS485 Serial Port TX T...

Страница 12: ...t 15 Class B CE Stability Testing IEC 60068 2 32 free fall IEC 60068 2 27 shock IEC 60068 2 6 vibration Environment Temperature Operating 40 75 degrees C Storage 40 75 degrees C Humidity Operating 5 95 non condensing Storage 5 95 non condensing Please follow the DC power input symbol on the front panel of the Industrial Modbus Gateway insert positive DC power wire into V and negative DC power wire...

Страница 13: ...al Modbus Gateway familiarize yourself with its display indicators and ports Front panel illustrations in this chapter display the unit LED indicators Before connecting any network device to the Industrial Serial Converter please read this chapter completely 2 1 Hardware Description 2 1 1 Product Layout Figure 2 1 shows the diagram of the Industrial Modbus Gateway and the wall mount kit for wall m...

Страница 14: ...wer Green Lights to indicate the system has power 10 100BASE TX Interface LED Color Function LNK ACT Green Lights To indicate the link through that port is successfully established Blinks To indicate that the IMG 120T is actively sending or receiving data over that port RS422 RS485 Serial Port LED Color Function TX1 TX2 Green Blinks To indicate that the IMG 120T is actively transmitting data over ...

Страница 15: ...r input and the DC power input range is 9 48V 1 Please follow the DC power input symbol on the front panel of the Industrial Modbus Gateway insert positive DC power wire into V and negative DC power wire into V Otherwise it will damage the device 2 The wire gauge for the terminal block should be in the range between 12 24 AWG 2 1 4 5 Contact Terminal Block Pin Define Serial Port Connection The 5 c...

Страница 16: ...ch that is near the RJ45 port of the Industrial Modbus Gateway 2 Adjust DIP 2 at the ON position and DIPs 1 3 4 remain at the original position 3 After adjusting the DIP switch please power off and power on the Industrial Modbus Gateway to take effect After resetting the Industrial Modbus Gateway with the default IP address and username and password admin please adjust DIP 2 to lower position Othe...

Страница 17: ...iscovery Utility PLANET Modbus Gateway Utility 3 1 Overview This chapter gives an overview of the Industrial Modbus Gateway management The Industrial Modbus Gateway provides a remote IP based WEB browser Telnet interface Using these interfaces you can perform various configuration and management activities including Figure 3 1 Industrial Modbus Gateway Web Menu Bar Figure 3 2 Industrial Modbus Gat...

Страница 18: ... protocols Workstations are installed with Ethernet NIC Network Interface Card Network cables Use standard network UTP cables with RJ45 connectors The above PC is installed with Web browser and JAVA runtime environment plug in It is recommended to use Internet Explorer 8 0 or above to access the Industrial Modbus Gateway If the Web interface of the Industrial Modbus Gateway is not accessible pleas...

Страница 19: ...n Web Management requires either Microsoft Internet Explorer 8 0 or later Google Chrome Safari or Mozilla Firefox 1 5 or later 3 3 2 Login the Industrial Modbus Gateway Web Interface The following shows how to start up the Web Management of the Industrial Modbus Gateway Note the Industrial Modbus Gateway is configured through an Ethernet connection Please make sure the manager PC must be set to th...

Страница 20: ...the username and password the main screen appears as Figure 3 5 shows Figure 3 5 Web Main Screen of Industrial Modbus Gateway For security reason please change and memorize the new password after this first setup 1 Only accept command in lowercase letter under web interface ...

Страница 21: ...nt of the Industrial Modbus Gateway Note the Industrial Modbus Gateway is configured through an Ethernet connection Please make sure the manager PC must be set to the same IP subnet address For example the default IP address of the Industrial Modbus Gateway is 192 168 0 100 then the manager PC should be set to 192 168 0 x where x is a number between 1 and 254 except 100 and the default subnet mask...

Страница 22: ...IMG 120T 22 Figure 3 8 Telnet Main Screen of Industrial Modbus Gateway For security reason please change and memorize the new password after this first setup 1 Only accept command in lowercase letter under web interface ...

Страница 23: ...iscovery Utility 1 Insert the attached user s manual CD in the CD ROM Drive 2 Find and deposit the Planet Smart Discovery Utility in administrator PC 3 Run this utility as the following screen appears Figure 3 9 Planet Smart Discovery Utility Screen If there are two LAN cards or above in the same administrator PC choose a different LAN card by using the Select Adapter tool 4 Press the Refresh butt...

Страница 24: ...are shown below Update Device Use the current setting on one single device Update Multi Use the current setting on multi devices Update All Use the current setting on all the devices in the list The same functions mentioned above also can be found in the Option tool bar 3 By clicking the Control Packet Force Broadcast function it allows you to assign a new setting value to the Web Smart Switch und...

Страница 25: ...1 Installing PLANET Modbus Gateway Utility The following install instructions guide you to the installations of the Planet Modbus Gateway Utility 1 Insert the attached user s manual CD in the CD ROM Drive 2 Find the PLANET Modbus Gateway Utility_v1 0 exe from the CD ROM as the icon is shown below 3 Press the PLANET Modbus Gateway Utility_v1 0 exe and follow the on screen instructions to install th...

Страница 26: ...User s Manual of IMG 120T 26 Figure 3 12 Planet Modbus Gateway Utility Install Process Screen Figure 3 13 Planet Modbus Gateway Utility Install Process Screen ...

Страница 27: ...User s Manual of IMG 120T 27 Figure 3 14 Planet Modbus Gateway Utility Install Process Screen Figure 3 15 Planet Modbus Gateway Utility Install Process Screen ...

Страница 28: ...et Modbus Gateway Utility Install Process Screen Figure 3 17 Planet Modbus Gateway Utility Install Complete Screen 4 Find the PLANET Modbus Gateway UtilityV1 0 icon on the desktop of administrator PC and double click it as the icon is shown below ...

Страница 29: ...Modbus Gateway Utility Main Screen 3 5 2 PLANET Modbus Gateway Utility Menu Bar The Planet Modbus Gateway Utility menu bar has the following options System S Tools Y Figure 3 19 Planet Modbus Gateway Utility Tool Bar Screen 3 5 2 1 System S This function provides Select network adapter and Quit for closing the PLANET Modbus Gateway Utility ...

Страница 30: ...allows you to select the network adapter for management press OK to apply the setting Figure 3 21 Planet Modbus Gateway Utility Tool Bar System Select network adapter Screen Quit This option allows you to press Quit for closing the PLANET Modbus Gateway Utility Figure 3 22 Planet Modbus Gateway Utility Tool Bar System Quit Screen ...

Страница 31: ...net Modbus Gateway Utility Tool Bar Tools Screen Search Device This option allows you to search the connected Industrial Modbus Gateway for further management Figure 3 24 Planet Modbus Gateway Utility Bar Tool Search Device Screen Set Search Type This option allows you to specify which equipment is used for further management the available options are shown below Serial Server Switch All ...

Страница 32: ...ion to the database or specified file Enable True for setting the timing save function In the Activation time set the cycle time of the save alarm information to 0H 30M 0S meaning it is saved every 30 minutes In Type select Saved to the database or Saved to the TXT file When selecting Saved to the database it is saved in alert log query When selecting Saved to a text file a file name has to be giv...

Страница 33: ...nd click Add to add the IP address Click OK for adding a unicast packet to search equipment If the router s port mapping is configured it can implement search across route Discovery process begins from PC Port 65533 Port 65534 sends commands to the specified device and then Port 65533 responds to a search and send confirmation to PC Port 65534 to complete the search Figure 3 27 Planet Modbus Gatew...

Страница 34: ...ar The Planet Modbus Gateway Utility shortcut menu bar has the following options User Manager Import Network Topology Export Network Topology Zoom In Zoom Out Search Device Save Topology Delete Topology Batch IP Settings Batch Monitoring IP Settings Hide Device Tree Hide Alarm List Auto Refresh Topology Refresh Interval Figure 3 29 Planet Modbus Gateway Utility Shortcut Menu Bar Screen ...

Страница 35: ...rs Password Enter the user s new password here Maximum length 18 characters Confirm Password Please enter the user s new password here again to confirm Button Click to apply changes Please remember the newly set up user name and password in case the user name and password are forgotten please re install the PLANET Modbus Gateway Utility 3 5 3 2 Import Network Topology This function provides the im...

Страница 36: ...teway Utility 3 5 3 5 Zoom Out This function provides the zoom out topology in PLANET Modbus Gateway Utility 3 5 3 6 Search Device This option allows you to search the connected Industrial Modbus Gateway for further management Figure 3 31 Planet Modbus Gateway Utility Shortcut Menu Bar Search Device Screen 3 5 3 7 Save Topology This option allows you to change the topology and save it in Industria...

Страница 37: ... Bar Batch IP Settings Screen The IP address range is from 1 to 254 3 5 3 10Batch Monitoring IP Settings This option allows you to set up Batch Monitoring IP addresses for a group of devices Figure 3 33 Planet Modbus Gateway Utility Shortcut Menu Bar Batch Monitoring IP Settings Screen ...

Страница 38: ...nable or disable Auto Refresh Topology in Industrial Modbus Gateway Utility 3 5 3 14Refresh Interval This option allows you to assign time for Refresh Interval in Industrial Modbus Gateway Utility the available options are 10 S 30 S 1M 10M 30M and 60M 3 5 4 PLANET Modbus Gateway Utility Device Function The Planet Modbus Gateway Utility provides the following options for Industrial Modbus Gateway d...

Страница 39: ...5 4 2 Device Name This function is to change the Device name and Device number of PLANET Modbus Gateway Figure 3 35 Planet Modbus Gateway Utility Device Function Device Name Screen Button Click to apply changes 3 5 4 3 Network Settings This function is to change the IP subnet address of PLANET Modbus Gateway ...

Страница 40: ...to default as the procedure is shown below Step 1 Activate PLANET Modbus Gateway Utility Step 2 Search the Industrial Modbus Gateway that needs to be reset to default and choose the device Step 3 Right click to choose the Restore Factory Settings Figure 3 37 Planet Modbus Gateway Utility Device Function Restore Factory Settings Screen Step 4 Click Yes when the Are you sure to restore factory setti...

Страница 41: ...reen Step 5 Press OK to complete the factory default procedure Figure 3 39 Planet Modbus Gateway Utility Device Function Restore Factory Settings Screen Button Click to apply changes Step 6 Search the device again and you will see the Industrial Modbus Gateway with default IP address and username and password admin ...

Страница 42: ... display the alarm information of PLANET Modbus Gateway and also save the alarm messages for further review or export the alarm message as an excel file The three options for the alarm message are shown below Clear clear alarm messages Save save alarm messages Query alarm log export Figure 3 41 Planet Modbus Gateway Utility Device Function Recent Alarm Screen ...

Страница 43: ...ew information of Industrial Modbus Gateway The web main screen in Figure 4 1 appears Figure 4 1 Web Main Screen As listed on the left side of the web main screen the configurable management functions are shown below Overview Display the basic settings information and network information of Industrial Modbus Gateway Network Settings Set up the IP address of the Industrial Modbus Gateway Serial Set...

Страница 44: ... IP address filtering function MAC Filtering set up the MAC address filtering function User Management allow to modify the username and password or disable authentication function 3 sets of username and password can be configured System Management Configure system management parameters as shown below System Information display the system information of Industrial Modbus Gateway System File provide...

Страница 45: ...on of Industrial Modbus Gateway Serial No The serial number information of Industrial Modbus Gateway Number of LANs The number of LANs information of Industrial Modbus Gateway Network Information IP Mode The current IP operation mode of Industrial Modbus Gateway IP Address The current IP Address of the Industrial Modbus Gateway The IP Address could be manually assigned The factory default value is...

Страница 46: ...the Industrial Modbus Gateway When enabling this function the Industrial Modbus Gateway will send a DHCP request to the DHCP server in the network Once the DHCP Server gets the request it will assign a dynamic IP address subnet mask and gateway to the Industrial Modbus Gateway The factory default setting is Disable IP Address Manually assign IP address to the Industrial Modbus Gateway The factory ...

Страница 47: ...re identified and translated into IP addresses A domain name is an alphanumeric name such as planet com which is usually easier to remember Assign the DNS server IP address IP Report Server Address Need to report to the top of the host IP Server Port When reporting or listening to the port the default is 4002 Repeat Time Report IP interval seconds the default is 10 Button Click to apply changes ...

Страница 48: ...ation Settings Alias Manually input the description of serial port the available range is 30 characters Baud Rate It is a parameter to check the communication speed It shows to transfer how many bits in 1 second The available options are shown below 300 600 1200 2400 4800 9600 19200 38400 57600 115200 Data Bits It is a parameter to check the actual data bits in communication when PC sends a packet...

Страница 49: ...er to modify When the RTS flow control mode is turned on it is invalid Force OFF RTS signal is automatically set to the OFF state after every time you open the serial port and it is forbidden to change the user to modify When the RTS flow control mode is turned on it is invalid DTR Ctrl Force ON DTR signal is automatically set to the ON state after every time you open the serial port and it is for...

Страница 50: ...User s Manual of IMG 120T 50 The screen in Figure 4 5 appears Figure 4 5 Serial Settings COM Information Screen ...

Страница 51: ...bus TCP Exception This parameter is used to display the Modbus TCP exception in the Modbus monitoring software Once the parameter is enabled the Industrial Modbus Gateway sends a Modbus TCP exception to the Modbus monitoring software Response Timeout Interval Timeout Port Indicates the TCP ProCOM and Port1 Response Timeout 10 120000ms The Modbus is a master and slave protocol the master station eq...

Страница 52: ...lave ID The Modbus protocol provides a unique ID number 1 247 to all of the slave devices The ID number is used to identify the address of the slave device to respond to requests from the master device The Modbus equipment ID number is set by the manufacturers Most of them can be modified It is an actual ID number Virtual ID is used to specify the ID Modbus of each connected gateway When the Modbu...

Страница 53: ...D configuration Press the Add and Submit buttons to set the value as shown in Figure 4 7 Figure 4 7 Slave ID Screen The page includes the following fields Slave ID Map Table Channel No Display the channel number Channel Type This parameter is to choose RTU Master RTU Slave ASCII Master ASCII Slave operation modes the default mode is RTU Slave Channel Definition Display the channel definition infor...

Страница 54: ... parameter is to input the end Slave ID and available range is 0 247 Slave ID Offset This parameter is to input the offset Slave ID and available range is 253 253 Buttons Click to apply changes Click to apply changes Click to delete setting Click to modify setting RTU Master Mode This function allows the users to use Modbus RTU master device and Modbus TCP device to achieve communication The opera...

Страница 55: ...s 6000 and the virtual ID is 3 4 Offset is 2 RTU Slave Mode This function allows the users to use Modbus TCP master device and Modbus RTU device to achieve communication The operation mode of the Industrial Modbus Gateway is set to RTU Slave Step 1 Choose RTU Slave in Channel Type Step 2 Press the Modify button to input the setting parameters Step 3 After setup is completed press the Affirm button...

Страница 56: ...er Mode This function allows the users to use Modbus ASCII master device and Modbus TCP device to achieve communication The operation mode of the Industrial Modbus Gateway is set to ASCII Master Step 1 Choose ASCII Master in Channel Type Step 2 Press the Add button to input the setting parameters Step 3 After setup is completed press the Affirm button to take effect ...

Страница 57: ...mber is 6000 and the virtual ID is 3 4 Offset is 2 ASCII Slave Mode This function allows the users to use Modbus TCP master device and Modbus ASCII device to achieve communication The operation mode of the gateway is set to ASCII Slave Step 1 Choose ASCII Slave in Channel Type Step 2 Press the Modify button to input the setting parameters Step 3 After setup is completed press the Affirm button to ...

Страница 58: ...User s Manual of IMG 120T 58 Figure 4 15 Slave ID Parameters Screen Figure 4 16 Slave ID ASCII Slave Screen The virtual ID is 3 4 Offset is 2 in Channel No 1 ...

Страница 59: ...ort traffic counter in Transmit TX RX Display the serial COM port traffic counter in Receive RX TX Total Display the serial COM port total bytes traffic counter in Transmit TX Rx Total Display the serial COM port total bytes traffic counter in Receive RX CTS Indicate the On or Off status of CTS function DSR Indicate the On or Off status of DSR function RI Indicate the On or Off status of RI functi...

Страница 60: ...it button to apply the setting as shown in Figure 4 18 Figure 4 18 Access Control Device Security Screen The page includes the following configurable data Web Console This function provides Disable or Enable the Web management interface Telnet Console This function provides Disable or Enable the Telnet management interface Device Search This function provides Disable or Enable the device search fu...

Страница 61: ... function provides Disable or Enable the IP Filtering function Filtering Rule This function provides Allowed or Forbidden options for the filtering rule Number Indicate the number from 1 to 16 for filtering rules State This function provides Disable or Enable for per filtering rule Access Permission This function provides Allowed or Forbidden for per filtering rule IP Address This function allows ...

Страница 62: ...le This function provides Allowed or Forbidden options for the filtering rule Number Indicate the number from 1 to 16 for filtering rules State This function provides Disable or Enable for per filtering rule Access Permission This function provides Allowed or Forbidden for per filtering rule MAC Address This function allows inputting the MAC address the format must be xx xx xx xx xx xx Button Clic...

Страница 63: ...user name information Password Display the current password length Permission This function provides Administrator or Guest for the access permission Guest only views the Industrial Modbus gateway state and only the system administrator can configure the parameters of the Industrial Modbus Gateway Operation This function provides editing the current username and password setting the available rang...

Страница 64: ...een The page includes the following configurable data Module This function provides inputting the module information and the available range is 18 letters Model This function provides inputting the model information and the available range is 18 letters Description This function provides inputting the description and the available range is 18 letters Serial Number This function provides inputting ...

Страница 65: ...Upload Configuration File from Local PC Download Configuration Press the Download button to download the configuration file to local PC Upload Configuration Press the Choose File button to find the configuration file and press the Upload button to start the configuration upload process Upgrade Firmware from Local PC Update Firmware Press the Choose File button to find the firmware file and press t...

Страница 66: ...ing configurable data System Logout This function provides System Logout from web interface of Industrial Modbus Gateway Press the Start button to log out the system Reboot System This function provides System Reboot from web interface of Industrial Modbus Gateway Press the Reboot button to reboot the system ...

Страница 67: ...al Modbus Gateway Note the Industrial Modbus Gateway is configured through an Ethernet connection Please make sure the manager PC must be set to the same IP subnet address For example the default IP address of the Industrial Modbus Gateway is 192 168 0 100 then the manager PC should be set to 192 168 0 x where x is a number between 1 and 254 except 100 and the default subnet mask is 255 255 255 0 ...

Страница 68: ...MG 120T 68 Figure 5 2 Telnet Main Screen of Industrial Modbus Gateway 1 For security reason please change and memorize the new password after this first setup 2 Only accept command in lowercase letter under web interface ...

Страница 69: ... Modbus Gateway Telnet interface where it displays a list of the available commands and descriptions of the commands The telnet commands list screen appears as Figure 6 1 shows Figure 6 1 Telnet Help Screen of Industrial Modbus Gateway The page includes the following configurable data List List command name under Telnet interface Help List command name and help information under Telnet interface Q...

Страница 70: ...List commands name Help List commands name and help info Quit Quit from CLI Exit Exit from current menu Reboot Reboot device Serial dir Enter serial setting menu Security dir Enter security setting menu Manage dir Enter system manage menu Information dir Enter device information menu Modbus dir Enter Modbus manage menu Type in a command and between there is a space if key word is in this location ...

Страница 71: ...y Device inf Tab ModbusGateway Device information History command Description Command lines port can provide the function similar to symbol key It automatically saves command lines that users type in and users can use these history commands Syntax Operating Key Result Visit previous history command Up When existing earlier command it is taken out Visit next history command Down When existing later...

Страница 72: ...t 21 3 6 1 2 3 6 21 3 6 There are 8 wires on a standard UTP STP cable and each wire is color coded The following shows the pin allocation and color of straight cable and crossover cable connection Straight Cable SIDE 1 SIDE 2 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 SIDE 1 1 White Orange 2 Orange 3 White Green 4 Blue 5 White Blue 6 Green 7 White Brown 8 Brown 1 White Orange 2 Orange 3 White Green 4 Blue 5 ...

Страница 73: ...White Brown 8 Brown 4 Blue 5 White Blue 6 Orange 7 White Brown 8 Brown Figure A 1 Straight through and Crossover Cable Please make sure your connected cables are with the same pin assignment and color as the above diagram before deploying the cables into your network ...

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