eWON Family - eWON Support

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General Reference Guide eWON Configuration Another feature of the TELNET RFC2217 mode is its ability to change the modem line status. This means that the RTS/CTS, DTR, DCD (etc.) levels of the eWON’s physical port are reflected to the PC virtual port and vice-versa. This protocol is called TELNET RFC 2217 because it has been standardized and described in an RFC specification. It means that any client supporting the RFC2217 protocol can use the eWON as a virtual port server. 3.3.2.1.4 MODBUS/TCP MODBUS/RTU Gateway Although it is possible to use this technology to transfer almost any type of data through the virtual serial port, some protocols require special handling for efficient operation. ModbusRTU is one of these protocols and VCOM technology does not apply well to that protocol. For Modbus RTU communication it is recommended to use the MbsTcpCOM software and use the eWON as a ModbusTCP to ModbusRTU gateway. 3.3.2.2 PC Virtual COM Port driver There are different options for creating virtual serial ports on the PC side. 3.3.2.2.1 MbsTcpCOM This software provided by eWON s.a. is used to create ONE virtual COM port on the PC, the virtual COM port must only be used by softwares that are supposed to communicate on the PC serial port in ModbusRTU. The ModbusRTU slave is actually connected to the eWON’s serial port. The PC software believes that it is “talking” directly to the device through its serial port while it actually "talks" to its virtual serial port that transfers all the data to the eWON by translating every requests into ModbusTCP (without interpreting them). This software is downloadable for free from http://www.ewon.biz. 3.3.2.2.2 Serial/IP Tactical Software provides this software: http://www.tactical-sw.com This software is not for free. It can be purchased directly from the Tactical software website. An 30 days-evaluation version is available for download from this site. The software supports both RAW TCP and Telnet RFC 2217 modes and works on all Windows version from Windows 95 to Windows XP. The software can create up to 256 virtual serial ports that communicate with multiple eWONs. 3.3.2.3 eWON VCOM Configuration 3.3.2.3.1 Introduction All serial ports can be used for VCOM. Depending on the eWON type, you have 1, 2 or 4 serial ports. The COM1 is always the serial port 1 of the eWON. The COM2 is always the MODEM port (even if there is no modem present on your eWON, the COM2 exists but is useless). The COM3, if present, is linked to the serial port 2 (SER2), the full RS-232 port on eWON4002. The COM4, if present, is linked to the serial port 3 (SER3). As COM2 is the modem, it should only be used for debug purposes because when the port is used by VCOM it is not available to PPP or SMS communication. RG-001-0-EN ver 1.6 eWON® - 22/06/2009 - ©ACT'L sa Page 17
General Reference Guide eWON Configuration 3.3.2.3.2 Web configuration You get access to the COM1 (or COM2) VIRTUAL PORT CONFIGURATION page by following this path from the Main Menu navigation bar: Configuration/System Setup/General/Net services/Virtual Com : Figure 15: eWON Virtual COM port configuration page You may first choose the COM port you want to configure in the COM Port: scrolling menu. You can then define the following parameters: Control Description Port Type If Disabled is selected, then VCOM will not be used on this port. TCP Port Poll Signal Interval Debug Always accept new clients Inactivity Timeout Line parameters HW Mode The PC will have to connect to that TCP/IP port to communicate through the eWON serial port. REM: if multiple VCOM are defined on the same eWON, they must all use a different TCP/IP port. This parameter is only used in TELNET RFC2217 mode. In that mode the eWON will scan the modem port for changes in modem line input levels (CTS, DSR, DCD, RING) thus this parameters defines the scan rate. The default value of 100msec should be fast enough for most applications. Activate the recording of debug info for VCOM. When activated, this function slows down the overall perfomance of the eWON. All debug info will be accessible in the Diagnostic->Real Time Log menu. When a PC is connected to the eWON, then a socket is opened by the PC to the eWON. If for example the PC suddenly switches off, the eWON will not know that the socket should be closed, and when the PC will try to connect again, the eWON will refuse the connection. This option is provided in order to avoid that situation; when checked, the eWON will always be ready for a new connection, and the new connection will replace the previous connection. This means also that if one PC is connected to the VCOM port, and that another PC tries to connect with this option checked, the new PC connection will be accepted and the existing PC connection will be closed. There is another way to avoid that an unused but opened socket prevents access to the eWON (if the previous option has NOT BEEN checked). If you set this option with a value different of 0, then the eWON will close its VCOM socket if there is no communication for a given amount of time. If serial communication is supposed to occur all the time this option can be useful, but if silence in communication is expected, then this option will obviously not apply. Except for HW Mode, which is an “hardware parameter” (only configurable in the eWON), these parameters are only used when the port is configured in RAW TCP mode, because in TELNET RFC2217 mode the PC virtual port will usually change them. In any case, this will define the initial or default values. Hardware Mode represents the hardware behavior of the serial link. Available values are : • HalfDuplex • FullDuplex with HardWare handshaking (default) • FullDuplex with NO handshaking REM: This mode cannot be controlled remotely by RFC 2217 Table 7: eWON virtual COM port configuration controls RG-001-0-EN ver 1.6 eWON® - 22/06/2009 - ©ACT'L sa Page 18
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Page 3 and 4: Table of content 5.4.3 Tag name con
Page 5 and 6: Table of content 8.3.8 $dtSE [Scrip
Page 7 and 8: 2 The eWON login page 2.1 Access fr
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Page 13 and 14: 3.3 System Setup General Reference
Page 15 and 16: 3.3.1.2 Alarms (globals parameters)
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Page 45 and 46: VPN between two eWONs General Refer
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3.4.1.2 Tags validation General Ref
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3.4.2.1 Tag main edit window Genera
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Control Description Tag name Tag De
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General Reference Guide eWON Config
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3.4.2.2.1 Email on alarm configurat
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Examples: General Reference Guide e
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3.7 Script Setup General Reference
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3.7.2 The Script control link Gener
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4 Configuring the eWON by a file up
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5.2.1 IO Server Clear To avoid the
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5.3 Modbus IO server 5.3.1 Introduc
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Parameter name Description PreDelay
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General Reference Guide IO Servers
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5.4 NETMPI IO Server 5.4.1 Introduc
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5.5 UNITE IO Server 5.5.1 Introduct
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5.5.3.1 Value Name Value name follo
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5.6 DF1 IO Server 5.6.1 Introductio
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General Reference Guide IO Servers
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5.6.3.1.4 Status File Items Status
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5.7 FINS IO Server 5.7.1 Introducti
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5.7.2.3 Gateway Configuration The f
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5.8 S5-AS511 IO Server 5.8.1 Introd
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• Status register: General Refere
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5.9.2.1 Communication Setup General
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5.9.3.1 ValueName ValueName follows
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Example of use of SN_LO and SN_HI i
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5.10.2.2.1 ENERGY TAGS The followin
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5.10.2.3.2 PT100 input AI5 and AI6
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5.11 MEM IO Server 5.11.1 Introduct
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Baud Rate 5.12.2.2 Topic configurat
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Examples • Bit access modifier: G
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5.13 S7-200 (PPI - ISOTCP) 5.13.1 I
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5.13.2.4 Topic configuration Genera
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5.14.1.1.2 Topic configuration Gene
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Note: The Modifier can by omitted,
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5.15 MITSUBISHI FX IO Server 5.15.1
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5.15.3.1 Value Name The syntax is t
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5.16 SNMP IO Server 5.16.1 Introduc
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6.1 Real-time screen General Refere
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General Reference Guide Monitoring
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6.4 Real time Alarm screen Figure 1
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6.6 Files transfer This link gives
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General Reference Guide Monitoring
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6.7.2.1 Memory Information 6.7.2.2
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6.7.2.5 Info 6.7.3 Scheduled Action
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6.7.4.2 Activate Energy debug mode
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7 Retrieving Data from eWON 7.1 Lis
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7.3 FTP transfer FTP stands for the
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8.2 Export fields syntax definition
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8.2.4 $ut [Update Time] General Ref
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$ft General Reference Guide Export
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For fixed interval, $in parameter m
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8.3.4 $dtAH [Alarm History] General
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8.3.6 $dtEV [EVent file] 8.3.6.1 Ex
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8.3.8 $dtSE [Script Expression] 8.3
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General Reference Guide Export Bloc
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General Reference Guide Export Bloc
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8.3.11 $dtSV General Reference Guid
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8.3.14 $dtSC General Reference Guid
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8.3.16 $dtTR [TAR file] 8.3.16.1 Ex
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9 Upgrading the eWON firmware 9.1 P
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Click on the Finish Button when the
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General Reference Guide Upgrading t
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9.5 Upgrade Bootloader (to upgrade
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10.2.2 Non-volatile configuration T
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If an error is detected during the
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10.7 Duplicate IP detection (User L
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