eWON General Reference Guide - Esco Drives & Automation

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General Reference GuideeWON Configuration3.3.1.4 RebootRebooting eWON is sometimes necessary (i.e. to validate some configuration changes).Figure 13: eWON system RebooteWON version 5 offers three ways to perform a reboot:• From the Reboot menu from General configuration page• By using the "REBOOT" Basic command (see eWON programming Manual).• From the Reboot menu from Storage configuration menu (on page 66)You will have to wait that the eWON comes back to its normal state after restarting to get access to it again.Some special operation like “Upgrade the firmware of the Modem” requires a reboot with the BootOp parameter set to a specific value. Use theSpecial operation field to select the BootOperation to do. Now, only the Modem Upgrade value is available.RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 15
General Reference GuideeWON Configuration3.3.2 Net services setupRegarding its Internet connectivity features, the eWON has basically two modes of operation:• A server mode (Web server and FTP server)• A client mode (Email client, FTP client and NTP client)In the server mode, the eWON is waiting for a client to connect with its Web browser or with its FTP client.In the client mode, the eWON needs to connect to a server. For this connection, you should at least know the IP address of the server and thePort number for the required service. Sometimes a username and a password are also required.Note: Except in some special cases, the Port number is usually the default value proposed by the eWON. This setup section isused to define the eWON’s CLIENT MODE configuration.3.3.2.1 Virtual Com Port Setup (VCOM)3.3.2.1.1 IntroductionVCOM (or more precisely « Virtual COM port ») is a technology that consists in using the eWON’s serial port as if it was a standard COM port ofa PC running Windows.Actually, a software is installed on the PC; this software is a kind of driver that simulates additional COM ports on your PC. The PC iscommunicating with the eWON and the eWON serial port outputs all data transferred through the PC virtual serial port. The PC virtual portreceives all data received by the eWON’s serial port.PC with Virtual COMdriver linked to eWONeWON VCom serial portlinked to serial deviceFigure 14: Virtual COM Port link used to read data on serial devices through eWONThe eWON supports two kinds of VCOM mode and an additional mode which is not exactly classified as a VCOM mode although it has the samepurpose.3.3.2.1.2 RAW TCPThe first mode is called RAW TCP. This is a basic mode thanks to which the PC opens a TCP/IP socket to the eWON on a predefined port. Thissocket is used to exchange data from and towards the eWON’s serial port.The Serial port configuration (baud rate, parity, etc.) must be defined in the eWON’s configuration. The serial port signals (RTS, DTR, etc.) arenot exchanged between the PC and the eWON.This mode can also be used to create simple TCP/IP applications that need to communicate through the eWON’s serial port, as the onlyrequirement is to open a TCP/IP socket on the eWON.3.3.2.1.3 TELNET RFC2217This is a more complex communication protocol between the PC and the eWON. In addition to the RAW mode this mode allows to controlremotely the eWON’s serial port. Every configuration change that is made to the PC virtual COM port is automatically applied to eWON serialport. For example if you open a HyperTerminal on the PC’s virtual serial port and you change the serial port’s baud rate, the eWON’s serial portbaud rate will change accordingly.RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 16
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