NET101 RS232 / RS422 / RS485 to Ethernet Converter User’s Manual Version 1.2 Copyright Information Copyright © 2004-2005, Mega System Technologies, Inc. All rights reserved. Reproduction without permission is prohibited. Technical Support and Contact Information Mega System Technologies, Inc. Tel: +886-2-87922060 Fax: +886-2-87922066 Web: www.megatec.com.tw Customer Service: service@megatec.com.
CONTENTS Chapter 1: Introduction ________________________________________ Section 1. Features___________________________________________ Section 2. Networking with NET101 ______________________________ Section 3. Package Contents ___________________________________ Section 4. NET101 Description__________________________________ Section 5. NET101 DB-9 Pin Assignment__________________________ Section 6.
Chapter 1: Introduction Chapter 1: Introduction Section 1. Features NET101 is one of the smallest RS232/RS422/RS485 Ethernet Converter in the market. This device provides the means to transfer serial data over the Internet without having to make changes to your existing hardware/software. That is done by connecting two NET101 in Master mode and Slave mode. Alternatively, a virtual driver can be installed to control the facility over Internet. The NET101 also could be used as a MODBUS gateway.
Chapter 1: Introduction Section 2. Networking with NET101 NET101 gives the user two options when it comes to Network connection. The user may choose to manage and control the various serial devices over Internet using windows Virtual COM port function (refer to Fig 1). In this configuration, a NET101 is connected to a serial device. The user can then manage and control each of these serial devices over LAN. Fig.
Chapter 1: Introduction Section 3. Package Contents A standard package should contain these items; One NET101 module One Utility CD which contains; 1. Netility: to configure IP address and update the firmware. 2. Time Server: Time adjustment utility. 3. Adobe Acrobat 5.0 Reader. 4. User Manual One Power Adaptor (European / USA) Section 4. NET101 Description Fig.
Chapter 1: Introduction Section 5. NET101 DB-9 Pin Assignment Fig.4 DB-9 Male NET101 DB-9 PIN Assignment DB-9 Pin No. RS-232 RS-422 1 2 3 4 5 6 7 8 9 DCD RxD TxD DTR GND DSR RTS CTS RI RxDRxD+ TxD+ TxDGND RS-485 Full Duplex RxDRxD+ TxD+ TxDGND RS-485 Half-Duplex TxD+ / RxD+ TxD- / RxDGND Fig.
Chapter 1: Introduction Section 6. NET101 Indicators NET101 LED Status Indicators Color Green Signal Definition Condition / Description Power state On: Normal power Error Condition On: Error condition occurred Orange Logon state On: When there is Master or Driver logon and receive the image. Yellow Data activity Flash when there is data transmission / receive by DB-9. Red Fig.
Chapter 2: Installation Procedure Chapter 2: Installation Procedure Before you start using NET101, you will need to set-up both the hardware and software. The following is a flow chart on the installation procedure: Connect the designated serial device, power adaptor and Ethernet cable to NET101 (Chapter 3) Install Netility supplied in the Utility CD.
Chapter 3: NET101 Chapter 3: Hardware Installation The following details the installation procedure for NET101. Section 1. Installation Procedure Step 1: Connect the DB-9 to either a RS232 / 422 or 485 serial port of the device. Step 2: Connect one end of the Ethernet cable to a hub / router.
Chapter 3: NET101 Step 3: Connect the other end of the Ethernet cable to NET101 Ethernet port. Step 4: Connect the DC adapter power output into NET101 socket, and plug the DC adaptor into the wall socket Step 5: The LCD will display the IP, Subnet Mask and Gateway IP. Use a WEB browser to login into the IP address. Warning: Please make sure the input Voltage and Frequency of the DC power adapter (DC 5.
Chapter 4: Using Netility to Setup IP & Update Firmware Chapter 4: Using Netility to Setup IP & Update Firmware Section 1. Installing Netility 1. Insert the Utility CD into the CD-ROM drive and execute Netility.exe 2. After installation is completed, ‘Netility’ group will appear in Windows ’Start’ Æ ‘Program Group’. Fig.8 Netility Group 3. Click “Netility” to start the program. Section 2. Using Netility The Netility main menu is shown below. The selection menu is located on the left.
Chapter 4: Using Netility to Setup IP & Update Firmware Fig.10 Netility: Network Selection 2.2 Configure Select NET101 on the right display screen, and then click “Configure”. This will bring up the IP Address Configuration window. Here, the user can set; • IP Address • Advanced (for port setting configuration) 2.2.1 IP Address This section sets an IP Address for NET101. Enter your IP Address if you have a Static IP otherwise choose Obtain an IP address by DHCP. Fig.
Chapter 4: Using Netility to Setup IP & Update Firmware 2.2.2 Advanced In order to increase security of NET101, Netility offers two additional security features: i. Netility Password Use this to set an access password for Netility. WARNING: Do not lose this password. If the password is lost, Netility will not be able to perform future firmware upgrades. ii. Management Protocol (This function is disabled for NET101) 2.3 Upgrade Firmware Netility offers a convenient firmware upgrade.
Chapter 4: Using Netility to Setup IP & Update Firmware NOTE: If the downloading / upgrade process is interrupted or the data is corrupted, NET101 will keep its default firmware to avoid complete data loss. If this happens, repeat the above firmware upgrade procedure. 2.4 About This section displays the current Netility version. Fig.13 Netility version examined 2.5 Refresh Normally, Netility will automatically search for any NET101 connected to the LAN.
Chapter 5: NET101 Web Manager Chapter 5: Configure NET101 by WEB Browser Section 1. Introduction After you have setup the hardware and set an IP address for NET101, you will then be able to go to NET101 web site to monitor, manage and control the serial devices. All you have to do is enter the new IP address into any standard web browser. To do this; 1. Start the Web Brower (Netscape or Internet Explore) 2. Enter NET101 IP Address that was set earlier using Netility (e.g. 211.21.67.
Chapter 5: NET101 Web Manager 2.1 Information Click on “System Status” to display the System Information and Network Status. The information and values here are either provided by NET101 or were set by the users in the “Configuration” section earlier on. Fig.17 NET101 Information Menu 2.1.1 System Information This section shows NET101 System Information such as the Hardware and Firmware Version, the serial number, current / local System Time, the system name, contact, location and uptime.
Chapter 5: NET101 Web Manager Fig.18 NET101 Configuration Menu 2.2.1 Network This option determines NET101 Network settings. i. IP Address Fig.19 NET101 IP Address Settings IP Address If you want to fix the IP address, enter your chosen IP address here. go to “Obtain an IP address” and choose “via DHCP” Otherwise Subnet Mask This item sets NET101 Subnet Mask. The value is normally 255.255.255.0 Gateway This item is to set NET101 Gateway.
Chapter 5: NET101 Web Manager This allows the user to choose either to set NET101 IP Address manually or via DHCP. The above items can be set in Netility as well. NET101 will reboot after the above settings have been changed. ii. DNS Server IP Fig.20 NET101 DNS Server IP Primary DNS Server IP This item sets NET101 primary DNS Server IP address. you have a DNS Server IP. Enter a value here if Secondary DNS Server IP This item sets NET101 secondary DNS Server IP address.
Chapter 5: NET101 Web Manager • • • • • • • None (Choose this only if you have a Static IP) 3322.org dhs.org DynDNS(Dynamic) DynDNS(Custom) Myddns.com Zive.org Domain Name Enter the Domain Name you have created from one of the three websites. Login Name Enter your login name for the above domain name. you register with the above DDNS provider. Login Password Enter your password. DDNS provider.
Chapter 5: NET101 Web Manager Connect always : NET101 will automatically dial up the ISP. Login Name Enter your login name as provided by your ISP. Login Password Enter your password as provided by your ISP. 2.2.2 WEB / Telnet This section allows you to set up to eight (8) User account for NET101. Once set, a valid username and password will have to be entered to access NET101. i. User Account User Name Enter a user name here. Password Set a password for the account.
Chapter 5: NET101 Web Manager Fig.24 NET101 WEB / Telnet Settings 2.2.3 System Time This section is to set and synchronize NET101 System Time with your chosen time server. Fig.25 System Time Time Between Automatic Updates This section is to set an interval for time synchronization. hours or 1, 10 & 30 days. Select either; 1, 3, 12 Time Server Choose the nearest Time Server to your NET101 location.
Chapter 5: NET101 Web Manager Select the appropriate time zone for your area. System Time (mm/dd/yyyy hh:mm:ss) This section is to set NET101 System Time manually. The format is pre-determined to: mm/dd/yyyy hh:mm:ss 2.2.4 Connection This section determines the connection type for NET101. i. Connect Status Choose a mode for the current NET101. Mode Description Master Master mode is selected when the NET101 is used in a one-on-one configuration with another NET101.
Chapter 5: NET101 Web Manager on TCP/IP. For detailed information about MODBUS gateway, please refer to the specifications of MODBUS. Login Name Enter the login name here when using NET101 in the Slave mode. Either the Master NET101 or the Virtual COM port driver has to know the account and password to use the slave NET101. The account / password is to protect against unauthorised use of NET101 to access the serial communication data.
Chapter 5: NET101 Web Manager Fig.26 Event Log NET101 Firmware Version Display NET101 firmware version details. NET101 Hardware Version Show the hardware version. NET101 Serial Number Shows the serial number Manufacturers Details Display the manufacture’s contact details.
Appendix A: Methods to Update NET101 Firmware Appendix A: Update NET101 Firmware You can update NET101’s firmware using any of the following methods. Method 1: Using Netility (1) Use “Download Firmware” function under Netility to update it. (refer to Section …) Method 2: Using FTP Windows FTP is another way to upload the latest firmware into NET101. You can also use other FTP client software to do this. In the following example, NET101 IP address is 192.168.50.
Appendix A: Methods to Update NET101 Firmware Method 3: Using IE Browser This method uses IE to update the latest firmware. Open IE, then type in the account, password and NET101 IP address to be updated in the following format, ftp://:@. Once logged in, the current firmware and version will be displayed. Copy the latest firmware to here to complete the updating process. There are two method to log in: (a) ftp://admin:password@192.168.50.
Appendix A: Methods to Update NET101 Firmware display. The user may then transfer the latest firmware here in order to complete the updating steps.
Appendix B: NET101 Virtual COM Port Appendix B: NET101 Virtual COM Port The NET101 could be used as a virtual COM port on your Windows system. The virtual COM port driver is supported on the Windows2000, Windows2003 and Windows XP. After installation the virtual COM port driver, the NET101 will be act like a remote COM port of your system. The installation procedure is here followed: 1. Execute the ‘Net101.exe’ in the “Net101 driver” subdirectory of the CD. 2. Open the “Device Manager” on your system.
Appendix B: NET101 Virtual COM Port 3. Open the property of the ‘Net101 Communication Port’. In the ‘System Configuration’, input the NET101’s IP. And set an unused COM port name in the ‘COM port number’ 4. Now you could use the remote NET101 as a COM port of you computer.
