Release Note

This information is about bug or new function, and supplied for promoting user integration

Ver4.2.1.4 - 2011 November.

Release No	Target	Contents
1241252	ALL	Improved the problem that OPC Client could not connect with OPC Server immediatly after OPC Server shutdown.
1241253	ALL	Improved the problem that memory leak might occur when diagnostic view updates.
1241254	ALL	Improved the problem that server waits long time to recognize Open Error in Ethernet communication with TCP/IP.
1241255	FP	Improved the problem that communication error might occur in using BCC check. (Target Version : Ver.4.2.1.3 only)
1241256	SYSMAC	With FinsGateway,　Improved the problem that communication cannot be restored when message error of "FinsReceiveData SID ERROR" occured.

Ver4.2.1.3 - 2011 July.

Release No	Target	Contents
1241226	ALL	Improved to be able to write non-numeric value(NaN/Infinite) to tags which is FLOAT type.
1241249	ALL	Improved the performance of internal procedure for communication with plural clients and groups.
1241220	FP	Addition of selection of the header character and BCC operation.
1241221	TOYOPUC	Improved to be enable to write BOOL data with bit position for word device.
1241222	ALL	Improved the problem that CPU usage rises when the connected by many clients or added many subscription groups by the client. (Target Version : Ver.4.2.1.2)
1241237	ALL	Improved the problem that tag value type doesn't set as VT_R8 when tag is defined as scaling and shared memory simulation type.
1241238	ALL	Improved the problem that the dead-lock may occur when calling shutdown event(IOPCShutdown).
1241239	ALL	Improved the problem that the exception error is dumped when the client called RemoveItems for dynamic tags.
1241240	ALL	Improved the problem that return value of reading is incorrect when Internal Relay( GB ) tag of System device is LONG type.
1241241	ALL	Improved the problem that return quality of Internal Relay( GB ) tag of System device is bad in DEMO Mode.
1241232	ALL	Improved the problem that it may take a long time to switch communication in redundant communication.
1241219	MELSEC	Improved the problem that other EZSocket communications are late when communication error happened at EZSocket communication. (Target Version : Ver.4.2.0.3-Ver4.2.1.2)
1241227	MELSEC	Improved the problem that DXP access incorrect block number of file register when accessing File Register in "Block Access Command".
1241230	SYSMAC	Improved the problem of writing to bank 0 area, even if other bank number was specified when writing ExtendDataMemory(EM) as BOOL type.
1241231	MICREX	Improved the problem that P/PE/FL devices are able to be accessed when CPU number is defined between 0 and 7.
1241233	OPC DA	Improved the problem that the WriteException error is dumped when the Timeout error happen at writing values to target server with asynchronous I/F.
1241234	OPC DA	Improved the problem that the application error may happen when the connection with target server is lost with asynchronous I/F.
1241223	OPC DA	Improved the problem that the DXP reconnects with connected device when the DXP received Shutdown Event from the disconnected device after changed to another device in redundancy communication.
1241243	OPC DA	Improved the problem that the 'Conversion of read value error' happens for the STRING tag whose Calculation' setting is 'NONE' which is not STRING data type.
1241245	OPC DA	Improved the problem that AddItems with the array tags is failed because the datatype is returned with Unknown in dynamic tag access.
1241246	OPC DA	Improved the problem that element number always becomes same as element count of read value without becoming specified number with extended item name in dynamic tag access.
1241247	OPC DA	Improved the problem that the display number of elements for array tag is incorrect.

Ver4.2.1.2 - 2011 January.

Release No	Target	Contents
1241188	ALL	Addition of monitoring "Advise" status of Group in Diagnostics View.
1241189	ALL	Addition of new property "REALTIME" on Process Priority.
1241217	ALL	Improvement of Array Viewer.
1241205	SHARED MEMORY	Addition of new character conversion property "Unicode" for string type tag in Shared Memory.(Before, multi byte only)
1241190	ALL	Improved the problem that 'The Priority of the Writing in processing' doesn't reflect. (Target Version : Ver.4.2.0.1-Ver4.2.1.1)
1241191	ALL	Improved the problem that the reply of AddItems, RemoveItems and SyncIORead(Cache) method might be delayed when communication failed. (Target Version : Ver.4.2.0.1-Ver4.2.1.1)
1241192	ALL	Improved the problem that the communication process might be remain after calling RemoveItem().
1241193	ALL	Improved the problem that the communication process might be delayed by other communication process. (Target Version : Ver.4.1.0.1-Ver4.2.1.1)
1241194	ALL	Improved the problem that the quality of tags whose data type is FLOAT/DOUBLE becomes GOOD when the value is non-numeric values(NaN/Infinite) of floating point number.
1241195	ALL	Improved the problem that quality of some tags remained 'Good(0xC0)' when both communication line was down in Redundant communication.
1241196	ALL	Improved the problem that the original communication port wasn't closed when switching communication line in Redundant communication.
1241197	ALL	Improved the problem that system tag '$Status' for communication monitor was always 'TRUE' when switching line in Redundant communication.
1241198	ALL	Improved the problem that OnDataChange event wasn't happened in OPC-DA1.0 interface. (Target Version : Ver.4.2.0.2-Ver4.2.1.1)
1241199	ALL	Improved the problem that OnDataChange event for Write-Only tag was happened.
1241200	ALL	Improved the problem that the port wasn't closed when the port wasn't used.
1241201	ALL	Improved the problem that project file on UNC path couldn't be opened.
1241202	ALL	Improved the problem that the default UpdateRate(OPC Upadate Rate in option setting) wasn't reflected when OPC Client specify 0 in UpdateRate in SetState method.
1241203	ALL	Improved the problem that the demand processing might not be done appropriately when running communication by using over 64 devices.
1241204	ALL	Improved the problem that Date and Time were opposite in Log Detail View.
1241206	MELSEC	Improved the problem that communication error occur when accessing the tag which includes ZR32767 and ZR32768 such as Array and String type in EZSocket communication.
1241207	MELSEC	Improved the problem that application might not reply when client connects and disconnects with DeviceXPlorer continuously by DDE/SuiteLink interface in EZSocket communication.
1241208	MELSEC	Improved the problem that the application error might occur when finishing application without closing EZSocket port ( when 'Auto port close' is 'Not close' in option setting).
1241209	SIMATIC	Improved the problem that register address of bool type tag which creating by Tag generator is wrong.
1241210	FP	Improved the problem that wrong error code was shown in Log View.
1241211	FP	Improved the problem that error occur when accessing File Register "FL" of FP2 series.
1241212	HIDIC	Improved the problem that switching communication was delayed when the initial communication message is failed.
1241213	MP	Improved the problem that sum check 'LRC' of ASCII communication messages might not be calculated correctly.
1241214	SATELLITE FANUC	Improved the problem that some writable system tags were ReadOnly.
1241215	SAMPLE	Improved the problem that VcSampleOpc couldn't connect with OPC Server on remote PC.
1241216	SAMPLE	Improved the problem that VcSampleOpc(x64) didn't work correctly on 64bit-PC.

Ver4.2.1.1 - 2010 October.

Release No	Target	Contents
1241176	ALL	Addition of automatic round-down function of tag comment at configuration file import.
1241174	MELSEC	Corresponded to GX Simluator of GX Works2.
1241177	ALL	Improved the problem which system tag ( version information : $Version and port name : $PortName) were not updated.
1241178	ALL	Improved the problem which the scale conversion was able to be set for the tag which is not suitable for scale conversion.
1241179	ALL	Improved the speed for RemoveGroup() when Multi Access for Sync Async mode is on.
1241175	MELSEC	Improved the problem which application error occurred when recovering communication in EZSocket communication. (Target version is ver.4.2.0.3 only)
1241180	MELSEC	Improved the problem which application process (DeviceXPlorer.exe) was remained after closing application when using EZSocket communication. (Target version is ver.4.2.0.3 only)
1241185	MELSEC	Improved the problem which Update Exception error occurred when using CC-LinkIE PC Borad and othe PC Board together in PC interface board communication. (Target version is ver.4.2.0.3 only)
1241181	AB	Improved the problem which group name was not exported in file export.
1241182	MP	Improved the problem which log message such as "Bad Message" was shown without the error code when communication error occurred.
1241183	MP	Improved the problem which improper tags were created in using dynamic tags of "Double" data type.
1241186	MP	Improved the check function of device address for IB(Input Relay) and MB(Coil).
1241184	OPC DA*1	Improved the problem which data type of Array Item couldn't be reflected to tag setting by "Get Info" function.

Ver4.2.0.3 - 2010 August.

Release No	Target	Contents
1241162	ALL	Improved the problem that error doesn't return when the write command failed in no "Multi Access for Sync Async" mode. (Target Version:4.2.0.1 and 4.2.0.2)
1241163	ALL	Improved the problem that the message display such as "Invalid Environment. Can not find ‘My Document’ folder" when running as service program. (Target Version:4.2.0.1 and 4.2.0.2)
1241164	ALL	Improved the problem that communication with SuiteLink interface cannot work when running as service program.
1241172	ALL	Improved the problem that tag's data type is changed unexpectedly when tag is moved to other tag whose data type is BOOL with "<<" or ">>" key of tag's setting dialog.
1241165	MELSEC	Improved the problem that the interface board communication cannot work when using interface board of old version such as MELSECNET/10 and CC-Link board which doesn't support extended function of MELSEC Data Link Library. (Target Version:4.2.0.1 and 4.2.0.2)
1241166	MELSEC	Support the Extended File Register(ZR) in interface board communication.
1241167	MELSEC	Improved the problem that may access the internal relay which doesn't exist (M7680-M7999) in FX series.
1241173	MELSEC	Improved the problem that re-try and re-open of connection doesn't run if the communication error occurred in EZSocket communication.
1241187	MELSEC	Improved the problem that Data Change event doesn't occur in EZSocket communication.(Target Version:4.2.0.1 and 4.2.0.2)
1241168	OPC DA*1	Improved the problem that writing to the array Item whose array size is 1 fail.
1241169	OPC DA*1	Improved the problem that item browsing fail if the access OPC Server has Item which item ID is "Root".
1241170	SYSTEM SHARED MEMORY AB	Improved the problem that the writing value may shift unexpectedly if client application writes for array which the array bottom is not 0.
1241171	Sample	Improved the memory leak of C# sample program "VCDotNetSample".

Ver4.2.0.2 - 2010 June

Release No	Target	Contents
1241151	ALL	Improved the problem that log messages of DataChange Event are dumped after unadvise by Client in using Async Update Mode. (Target Version：Ver4.2.0.1)
1241152	ALL	Improved the problem that application error occurs in using Import/Export wizard. (Target Version：Ver4.2.0.1)
1241153	ALL	Improved the problem that the diagnostics icon color is discord with Quality flag in Diagnostics View.
1241154	ALL	Improved the problem that the list is sorted as bad order of Timestamp and Quality in Diagnostics View.
1241155	ALL	Improved the problem that items of Watch View increases by changing language.
1241156	ALL	Improved the problem that logs of Message View are cleared by changing language.
1241150	MELSEC	Improved the problem that the communication is failed with multi-drop link of serial communication.
1241157	MELSEC	Improved the problem that the log of warning is dumped about EZSocket group setting when opening the project file of before V4.2. (Target Version：Ver4.2.0.1)
1241158	MELSEC	Improved the problem that the log of warning is dumped about EZSocket group setting when opening the project file of before V4.2.(Target Version：Ver4.2.0.1)
1241159	OPC DA*1	Improved the problem that the OPC Group is set as InActive in using SyncRead(Cache) for Read I/F
1241160	OPC DA*1	Improved the problem that the dead-lock may occur depending on target server specification if complete event is received before returning asynchronous calling.
1241161	OPC DA*1	Improved the problem that properties are not got if target server return error in browsing item

Ver4.2.0.1 - 2010 May.

Release No	Target	Contents
1241095	ALL	Corresponded to Windows 7.
1241096	ALL	Corresponded to Chinese OS and Simplified Chinese.
1241108	ALL	Added the filter of string in Message View.
1241109	ALL	Added the function to multi access for Sync process and Async process.
1241110	ALL	Added the function to minimize the message packets for writing to PLC.
1241112	ALL	Added the function to change cycle and max-value in "Simulation Mode".
1241113	ALL	Added the function to change and clear Serial Number of Licence.
1241114	ALL	Added the viewer for Array Tag.
1241115	ALL	Added the fuction to sort by tag in exporting to CSV file.
1241116	ALL	Added the function to set transmission delay in Ethernet Connections.
1241117	ALL	Added the function to change Time-out of Non-Blocking Mode in Ethernet.
1241118	ALL	Expanded the maximum Serial-port number which can set to 256 from 32.
1241119	ALL	Improve the communication processing with tags which have Extended Tag Name Specification.
1241120	ALL	Added the shortcut keys (Device Monitor, Write Value to Tag and so on).
1241121	ALL	Added the function to copy the logs in Message View to the clip board.
1241122	ALL	Added the function to return cache value when communication error occurred.
1241097	SIMATIC	Corresponded to Siemens SIMATIC S7 Ethernet Conncetion.
1241098	MELSEC	Corresponded to MELSEC-L series and FX3U-ENET-L.
1241099	MELSEC	Added the function to access Buffer memory in EZSocket connection.
1241100	MELSEC	Corresponded to Extended link register "W" in Interface Board connection.
1241101	MELSEC	Corresponded to PCI Express Interface Board.
1241102	MELSEC	Corresponded to State Device "S" in MELSEC-FX series.
1241107	FANUC	Corresponded to FAUNC CNC/PMC Data Window Library (FOCAS 1/2).
1241103	MICREX	Corresponded to MICREX-F series..
1241104	OPC CLIENT*1	Corresponded to OPC-DA3.0.
1241105	OPC CLIENT*1	Added the delay time to access tag after AddItem, when you select "Synchronous Read(Cache)" in Read I/F.
1241106	OPC CLIENT*1	Corresponded to Group Deadband in OPC-DA2.0.
1241123	ALL	All settings are saved in one project file. (Previously, saved in some project files.)
1241124	ALL	Project file is saved to "My Document"Folder as default.
1241126	ALL	MSXML6 is not installed in DXP2007 x86 edition. (Previously, installed.)
1241127	ALL	Improved the problem that DXP2007 can't recognize HASP key.
1241128	ALL	Improved the problem that DXP2007 may not access PLC uncommonly when OPC Client calls AddGroup function immediately after DXP2007 started with COM.
1241129	ALL	Improved the problem that DXP2007 can't write values to Array Type item by DDE or SuiteLink interface.(Target Version:4.0.1.5 to 4.1.2.4)
1241132	ALL	Improved the problem that the Timestamps is not changed by writing.
1241133	ALL	Improved the problem that old Timestamp is notified by DataChange event of ASyncIO2::Refresh.
1241134	ALL	Improved the problem that the DataChange event occur twice by ASyncIO2::Refresh.
1241135	ALL	Improved the problem that the Quality of Tags may be "Waiting for Initial data" in Async Update Mode.
1241136	ALL	Improved the problem that DXP2007 run as demo mode when it started by Non-Administrator in UAC available.
1241137	ALL	Improved the problem that the DataChange event by ASyncIO2::Refresh(Device) is delayed.(Target Version:4.1.2.4)
1241138	ALL	Improved the problem that the write value of "Octal Text" or "Decimal Text" may be incorrected.
1241143	ALL	Improved the problem that Common/Project Properties may be changed uncommonly when language is changed.
1241149	ALL	Improved the problem that DataChange event occurs twice or more times at first timming.
1241130	MELSEC	Improved the problem that memory leak may occur by writing values by Block Access.
1241142	MELSEC	Improved the problem that DXP2007 can not access X/Y device properly in the FX series.
1241144	MELSEC	Improved the problem that the error may occur when writing value to Random Access Buffer.
1241145	MELSEC	Improved the problem that the error may occur when writing value to Timer or Count device in Non Block Access.
1241148	TOYOPUC	Changed data type of tag which has non extended specification to USHORT from SHORT.
1241131	FA-M3	Improved the problem that DXP2007 may access incorrect address in Asynchronous Access Mode.(Target Version:4.1.0.1 to 4.1.2.4)
1241139	AB	Improved the problem that "Message Error" may occur when writing to plurals tags.
1241140	MP	Improved the problem that commucation may stop uncommonly in MEMOBUS-BIN Protocol.
1241146	FP	Improved the problem that error may occur when writing value to bit-device as Non bool type.

Ver4.1.2.4 - 2010 Jan.

Release No	Target	Contents
1241071	ALL	Added the function which can select connection mode either "Non-Blocking Mode" or "Blocking Mode" at Ethernet port settings. (Ver4.0.0.1-Ver4.1.1.1:"Blocking Mode". Ver4.1.1.1:"Non-Blocking Mode")
1241073	MODBUS	Added the function which can change the cardinal number of address into "0". (default is "1").
1241074	ALL	In the case which the communication time for access PLC takes time than OPC UpdateRate, the next communication is started without waiting time after the communication end. (Previously, communication is started at the timing of the next update period.)
1241075	ALL	Data type of SystemTag which has VT_I2 or VT_I4 data type is changed into VT_UI4.
1241076	MODBUS	Offset and Module ID of Group Dialog is reflected to tag's device address.
1241077	OPC CLIENT*1	Waiting time for reconnecting with access OPC Server is set when DXP2007 received SHUTDOWN notification from access OPC server.
1241072	ALL	Improved the problem which application error may occur uncommonly by repeating adding and removing groups or tags continually by client.
1241078	ALL	Improved the problem that DataChange event is late for one scan time in validating "Multi Access Mode" and "Async Update Mode".
1241079	ALL	Improved the problem that DXP2007 doesn't respond uncommonly when OPC client runs AddGroup and RemoveGroup at the same timing.
1241080	ALL	Improved the problem that DXP2007 is not put in Task Tray at the timing of OS startup and User logon.
1241081	ALL	Improved the problem which can not save the device and port setting uncommonly after using Redundant Communication.
1241082	ALL	Improved the function of "Auto Message Saving" for reflecting the setting in the timing finishing the content change of file path of saving message.
1241083	ALL	Improved the function of "Auto Message Saving" for saving log which outputted in the timing of startup.
1241084	MELSEC	Improved the problem which can not save the setting of EZSocket when validating UAC in Windows Vista.
1241085	MELSEC	Improved the problem which can not access Extended File Register ( over ZR32768 ) in connecting with GXSimulator by EZSocket.
1241086	MELSEC	Improved the problem which can not set connecting parameter of CPU built-in Ethernet unit when specified CPU TYPE "QnU" in EZSocket setting .
1241087	MODBUS	Improved the problem which access incorrect address when the Offset (or Module ID) is set for tag by MODBUS group dialog.
1241088	TOYOPUC	Improved the problem that error of "Bad Message" occurs when using "Random Read Command" for accessing many points over 512.
1241092	TOYOPUC	Improved the problem that error of "Bad Message" occurs when accessing bool tag of bit device by "Random Read Command" in CPU Communication DLL.
1241089	OPC CLIENT*1	Improved the problem that item error occurs when recovering the communication after using Redundant Communication.
1241090	OPC CLIENT*1	Improved the problem that can not detect disconnection with access OPC Server in using Read I/F "Asynchronous Advise".
1241093	OPC CLIENT*1	Improved the problem that can not register dynamic tags with access OPC Server in using Read I/F "Asynchronous Advise".
1241091	ALL	Improved the problem of C++ sample program "VcSampleOpc" which doesn't release reference of COM interface.

Ver4.1.2.2 - 2009 Oct.

Release No	Target	Contents
1241055	ALL	Expanded the maximum port number which can create to 256 from 128.
1241056	ALL	Added the function to write $Status flag of System tag in simulation mode.
1241057	ALL	Added the function to change the updaterate of Device Monitor.
1241059	ALL	Improved the problem that memory leak and commucation stop may occur by registering the plural same tags and the problem that communication stop may occur by high speed changing of the active state (Active/InActive). (Target Version:4.1.0.1 and 4.1.1.1)
1241060	ALL	Improved the received message judgment process to check more closely whether the received message is the message which expected or not.
1241061	ALL	Improved the problem that the other client may get mistake data when the one client disconnects in the environment which multi clients connect.
1241063	MELSEC	Improved the problem that the open error occurs when connect GX Simulator of QnUCPU.
1241064	MELSEC	Improved the problem of writing the mistaken address when write bit device in serial connection of FX-CPU.
1241065	ALL	Improved the problem that the change of system file is not saved when validating UAC in Windows Vista. (Target Version:4.1.0.1 and 4.1.1.1)
1241068	ALL	With Ethernet TCP/IP, improved that server wait long time to recognize Open Failure.
1241070	OPC CLIENT*1	Improved the memory leak in the reading of array tag.
1241067	ALL	Improved the memory leak of C++ sample program "VcSampleOpc".
1241069	ALL	Improved sample program "VB6DAautoSample".

Ver4.1.1.1 - 2009 July

Release No	Target	Contents
1241050	ALL	Added the function to change max count of async writing request.
1241054	OPC CLIENT*1	Added the filter of string type and double type in item browse dialog.
1241038	ALL	Improved the problem that UpdateException error occurs when items are omitted deactivating and are deleted.
1241040	ALL	Improved the problem that it is not able to exit forcibly in connecting from clients.
1241041	ALL	Improved to problem that the version provided in IOPCServer is not correct.
1241045	ALL	Improved to ignore record of comma in CSV import.
1241046	ALL	Improved to combine records for device or port in CSV export.
1241049	ALL	Improved the problem of having application errors with copying tag between other device type.
1241042	Shared Memory	Improved to problem of outputting log as Communication Data Message.
1241048	OPC CLIENT*1	Improved about outputting log messages and quality flags.
1241052	OPC CLIENT*1	Improved the problem of failure of getting type information of tag value in browsing and creating tags automatically.
1241053	OPC CLIENT*1	Improved the problem of reading items that is failed adding items.

Ver4.1.0.1 - 2009 May

Release No	Target	Contents
1241034	------	Released new models. - PANASONIC FP series - YASKAWA MP series - Rockwell AB ControlLogix series - OPC CLIENT*1 - Shared Memory
1241002	MELSEC	Added the function to access more than one PLC register by dynamic tags.
1241005	ALL	Corresponded to Windows Server 2008.
1241006	MELSEC	With Ethernet or Serial, corresponded to extended data register and extended link register.
1241016	ALL	Corresponded to Windows x64 Edition.
1241018	ALL	Added the function to change languages while running.
1241025	ALL	With diagnostics view, added the function to write tag value and drag-and-drop tag name.
1241000	MELSEC	Improved the problem of receiving PREVIOUS response from PLC for NEXT command, immediately after PREVIOUS command became timeout error.
1241004	ALL	With redundant communication, improved the problem of switching frequently the communication line when more than one OPCGroup access the same device.
1241007	FANUC	Improved the problem of switching frequently the quality of tag when the communication error occurs.
1241008	ALL	Improved the problem of having application errors with conversion of project.
1241009	ALL	Improved the problem of getting incorrect values when multi-byte character is written in shared memory tag of SYSTEM device.
1241010	MICREX	Improved the problem of failure of writing value for array tag.
1241012	ALL	Improved the problem of waiting for the end until the timeout is complete, when OPC client terminates while the communication error occurs.
1241014	ALL	In case of service application mode, improved the impossibility to communicate from OPC client when the user logs off Windows.
1241015	ALL	Improved the impossibility to save dynamic tags to project file, when the setting of "Save Unknown Item" is valid.
1241022	TOYOPUC	With TOYOPUC communication DLL, improved the problem of having application errors when the PLC communication starts without the DLL.
1241024	ALL	With diagnostics view, improved the problem of considering error by disagreement of input character, capital letter or small letter.
1241026	SYSMAC	With FinsGateway, Improved the impossibility to reflect the configuration of "Timeout".
1241030	ALL	Upgraded the function of OPC sample client.
1241033	SYSMAC	With Serial, changed to display the PLC communication message by ASCII format.
1241035	ALL	Improved the problem of having application errors with pushing the finish button when making newly the device or the port on the way.
1241017	ALL	Improved the problem which the characters of System tag "$PortName" may be garbled and the problem which application error may occur at the end of application by repeating monitor of the System tag "$PortName".

Ver4.0.2.1 - 2008 Nov.

Release No	Target	Contents
1240147	MELSEC	Supported CPU with built-in Ethernet(QnUDEHCPU) and Processing CPU(Q02PHCPU / Q06PHCPU).
1240158	ALL	Supported LONGLONG type(64-bit signed intenger), ULONGLONG type(64-bit unsigned intenger) and DOUBLE type(64-bit real number).
1240174	ALL	Improved the problem that connection test right after changing port was done at the former port in the device dialog.
1240175	SYSMAC	Improved the communication error occured when setting CPU type C series during connecting FinsGateway.
1240178	ALL	Improved the problem of having incorrect writings which repeat a same patterned letter strings when writing on PLC divided the letter strings data of the numerical form(binary / octal / decimal / hexadecimal), into some packets.
1240179	MELSEC	Improved the problem that 'T' or 'C' became 'S' and 'E' became 'Z' as a name of devices by item registration processing from OPC Client.
1240180	SATELLITE	Improved the problem that is getting incorrect read values of the letter strings data of the numerical form(binary / octal / decimal).
1240181	MELSEC	Improved the problem of the impossibility about changing to another type of port.
1240183	HIDIC MICREX	Improved the problem of having application errors with a process of batch writing to several tags.
1240184	TOYOPUC	With Ethernet, improved the problem that having incorrect retrieved bit devices using Random Read Command.
1240185	TOYOPUC	With Ethernet, improved the problem of having a sign of '0' for an error code, when receiving NAK responses.
1240187	TOYOPUC	With Ethernet, improved the problem of recieve time out after recieving NAK responses, communicating multiple hierarchical link.
1240190	MODBUS	Improved the problem that it always writes the value of '0' to the tag of 32bit datatype (LONG / ULONG / REAL) when using Word Swap function.
1240191	ALL	About DDE/SuiteLink, improved the problem of reading the value of Write Only tag.
1240176	HIDIC SATELLITE	Changed to be able to transmit initialized command every time opening the port.
1241037	MODBUS	Improved the problem of failure of writing value in tag which is over 4 byte data type such as Long when the setting of Word Swap is valid in Modbus Protocol.

Ver4.0.1.5 - 2008 Oct.

Release No	Target	Contents
1240130	MELSEC	With Ethernet, about FXCPU, improved the process of accessing to I/O Relay(X/Y)
1240138	MELSEC	With Ethernet, about FXCPU, improved the maximum access points.
1240139	MELSEC	With Ethernet or Serial, when QnACPU is selected, only A series units could be displayed in the list of intelligent units in the group dialog. This problem is improved.
1240143	ALL	Improved the response time problem when having a communication error and requesting an asynchronous writing several times.
1240144	MELSEC	With Ethernet or Serial, about FXCPU, improved the problem of the OPC clients’ adding unappropriate items.
1240145	MELSEC	With Serial, improved the problem of having application errors when writing into Extend File Register(ER/ZR).
1240146	MELSEC	With EZSocket, about AnUCPU, Improved the process of accessing to Extend File Register(ER).
1240148	MELSEC	With Serial, about AnUCPU, the process of accessing to Extend File Register(ER) is bad.
1240149	ALL	With Ethernet, improved the problem of displaying '-1’ as an error code when the open error happens.
1240150	ALL	Improved the impossibility to get the item starting values of shared memory mode.
1240156	ALL	Improved the application errors caused from changing port relation with the device.
1240157	ALL	Improved the application errors caused from adding, removing and setting items working with PLC.
1240163	ALL	About DDE/SuiteLink, Improved the update rate problem.
1240166	ALL	Improved the situation that OPC clients might not be able to get browse information when starting server by COM request.
1240167	ALL	Improved the problem of having application errors with the diagnostics view.
1240170	MELSEC	Improved the problem of being ZERO as the upper word when writing into LONG type tag related with Extend File Register.
1240172	ALL	Improved the problem of unreturning from a busy state when writing more than 65,535 at one request.
1240160	ALL	Supported batch writing about DDE/SuiteLink.
1240161	ALL	Changed the value of boolean item from 255 to 1 about DDE/SuiteLink.
1240173	ALL	Improved the displaying process about message view.

Ver4.0.1.4 - 2008 Aug.

Release No	Target	Contents
1240151	ALL	Fix the issue that the memory leak might occur when the string tags is accessed in simulation mode.
1240152	ALL	Fix the issue that the application error might occur in communication processing with PLC.
1240153	ALL	Fix the issue that the application error might occur by the checking processing of license information.
1240143	ALL	Fix the issue that it might take time to respond when asynchronize request is executed two or more times while the communication error.
1240137	ALL	Fix the issue that it is displayed, the project name is "Untitled" when starting.
1240140	ALL	Fix the issue that the change of the application name of DDE/SuiteLink doesn't become effective.
1240141	ALL	Fix the issue that CPU utilization might become higher if writing is executed through DDE/SuiteLink interface.
1240142	ALL	Fix the issue that the application error might occur when a specific click operation is done by the device view.

Ver4.0.1.3 - 2008 Feb.

Release No	Target	Contents
1240121	MELSEC	Fix the issue that the Message Error occurs when block access command is used.
1240122	MELSEC	Fix the issue that the value of buffer memory (G) read of special unit is not appropriate.
1240125	SYSMAC	Fix the issue that bank number accesses 0 even if other bank number is specified when extended data memory (EM) is accessed.
1240126	SYSMAC	Fix the issue that the Message Error occurs when Timer and Counter (TC/CC)contact is read.
1240127	SYSMAC	Fix the issue that the value can be written to byte-type tag (read only) from OPC client.
1240128	ALL	Fix the issue that the error occurs when the value is written in hexadecimal number of the small letter in tag view.
1240129	MELSEC	Fix the issue that the write processing failed when it communicates with ACPU in format 4.
1240131	MELSEC	Fix the issue that NAK Receive Error occurs when QnACPU is selected.
1240132	MELSEC	Fix the issue that the write value of word device is not appropriate when block access command is used.
1240133	ALL	The start processing about minimization and task tray are improved.

Ver4.0.1.2 - 2007 Dec.

Release No	Target	Contents
1240120	FA-M3	Fix the issue that the value is wrong in the continuous bit device read.
1240123	All	Fix the issue that the handle leak occurs when Ethernet port open is error.

Ver4.0.1.1 - 2007 Oct.

Release No	Target	Contents
1240110	KV	All KV5000 series is supported (Supported KV-LE20V Protocol).
1240111	MICREX	The write command of bit unit is supported.
1240100	ALL	Fix the issue that the non-changed items is notified by DataChange event.
1240101	SYSMAC	Fix the issue that the value is wrong, in the bit read of the word device.
1240102	MELSEC	Fix the issue that "Auto Change Route" is wrong when it is saved, in the port dialog.
1240103	MELSEC	Fix the issue that "Unit I/O No." in "Multiple CPU System" is wrong when it is saved, in the device dialog.
1240104	ALL	Fix the issue that the error occurs when the value is written in hexadecimal number of the small letter, in tag view.
1240105	FA-M3	Fix the issue that the Message Error occurs when array-type tag of bit device is read.
1240106	HIDIC	Fix the issue that the access point can be set exceeding the maximum value, when EH-CPU is selected.
1240107	MELSEC	Fix the issue that the error don't occur, when the abnormal message is recieved in connecting FXCPU.
1240112	MODBUS KV FA-M3 SATELLITE	Fix the issue that the PLC device name for Connection Test is not appropriate.
1240114	ALL	Fix the issue that the displaying such as message output is not appropriate, about the platform license.
1240116	FA-M3	Fix the issue that the Timer and Buffer Memory can be added to server, in using Asyncronous Access.
1240117	ALL	Fix the issue that the error occurs, when "Find" function is used in the Diagnostics View.
1240115	ALL	The restriction of demo version that can use only one device type (for example only "D" register) is removed.
1240118	ALL	The method how to permute tag in Diagnostics View is improved.(in Tag Name order -> in Tag Path order)
-----	ALL	OPCClient.exe is updated. (Version 3.06)
-----	ALL	OPC Core Components 3.00 file is updated. (3.00.1.02)
1240108	ALL	OPC Compliance Test 2.0.13 is passed. (DA2.05A 2.0.17/DA3.0 1.0.13)
1240113	MODBUS	The configuration file of waveform module (type 2321) and multiple module (type 2306) of HIOKI 2300 series are added.

V4.0.0.1 - 2007 Jun.

Release No	Target	Contents
1231220	ALL	When the tag of simulation mode is enabled and its patturn is "Dummy", even the value that is out of range is written to tags with the scale conversion enabled.
1231221	ALL	Every time the value of tag with the scale conversion enabled is read, time stamp and quality flag are updated.

Ver3.12 (Build3) - 2007 Mar.

Release No	Target	Contents
1231209	ALL	Improved the IOPCItemMgt::RemoveItems interface function.
-------	ALL	Passed OPC Compliance Test 2.00.12.1138(DA2.05A 2.00.15/DA3.0 1.00.11)

Ver3.12 (Build2) - 2006 Nov.

Release No	Target	Contents
1231206	MELSEC	Registerd items as "Z" in OPC Server, when they are registerd as device name "T", "C", "S", "E" from OPC Client.(Correspond Version 3.12 Build1)

Ver3.12 (Build1) - 2006 Nov.

Release No	Target	Contents
1231203	ALL	Add these following settings. # Reject unregistered items (Reject access to unregistered items in OPC Server from OPC Client.) # Hide system tag. (Do not show system tag on tag view.)
1231204	ALL	Add the setting on tag dialog. # Access right (set right to access from OPC Client.)
1231205	MELSEC	Support Special Link(SB), Link Special Register(SW), Edge Relay(V), and Index Register(Z).

Ver3.11 (Build5) - 2006 May

Release No	Target	Contents
1231128	ALL	Changed to switch the simulation mode to Enabled/Disabled by changing the System tag $Simulate switched to ON/OFF.
1231138	ALL	Changed to display the device name and group name in ascending order in the device view.
1231140	ALL	Add to show the error code into OPC interface log
1231157	ALL	Add the delay time setting in the serial port configuration to delay sending commands to PLC.
1231133	ALL	Cannot use the serial port of COM10 and more.
1231134	ALL	Modified to return expception error when called IOPCAsyncIO2::Refresh2
1231137	ALL	Modified to be refused the AddItem method while openning the new device dialog
1231145	ALL	Fix the issue not to update the Quality by communication error
1231146	ALL	Fix the issue to stop updating display when much messages is put into LogView.
1231156	ALL	Fix the issue that it may occur the application error when it is selected "Tag" in "Project" menu if the device does not exist
1231161	ALL	Fix the issue that changine value is ignored by open/close scaling dialog
1231162	ALL	When the value is out of the range of scale conversion, it will not be stored in the item.(Correspond Version 3.10 Build2-3.11 Build4)
1231163	ALL	When simulating the array type tags of VT_I4, VT_UI4 and VT_R4, random values were returned even with the ramp simulation pattern specified.
1231164	ALL	When browsing OPC Items with OPC Client, tags with the scale conversion enabled is filtered not by the VT_R8 but by the non scale converted data type.
1231147	ALL	Changed to create log files with the date and file serial numbers (000 - 999). Also changed to set the maximum file size in MB (in previous version, in KB).
-------	ALL	Updated OPC Core Components 2.00 Files(2.00.2.30)
-------	ALL	Updated OPC DA Automation DLL Files(2.02.5.30)
-------	ALL	Passed OPC Compliance Test 2.00.10.1130(DA2.05A 2.00.13/DA3.0 1.00.9)

Ver3.11 (Build4) - 2005 Nov.

Release No	Target	Contents
1231119	HIDIC	Corresponded EHV-CPU

Ver3.11 (Build3) - 2005 Sep.

Release No	Target	Contents
1231111	ALL	Changed writing has an advantage over reading.(Correspond Version 3.10 Build2-3.11 Build2)

Ver3.11 (Build2) - 2005 July.

Release No	Target	Contents
1231103	ALL	Sometimes last Item misses to be written when items that belong to different devices exist.(Correspond Version Ver3.01 Build1-Ver3.11 Build1)
1231105	ALL	Added OPC Client name in OPC access log.

Ver3.11 (Build1) - 2005 May.

Release No	Target	Contents
1231100	ALL	Changed the install license authentication
1231102	ALL	Changed the description of ProgID and service name to "DeviceXPlorer XXXXXX OPC Server".

Ver3.10 (Build3) - 2005 May.

Release No	Target	Contents
1231064	ALL	Changed the return NULL for IOPCItemProperties::LookupItemIDs and IOPCBrowse::GetProperties when idsuffix was referred.
1231065	ALL	Memory leak occurs when tag monitor is executing.(Correspond Version 3.10 Build1/Build2)
1231067	ALL	Event of KeepAlive (OnDataChange) is not notified when the item is invalidated.
1231069	ALL	Memory leak occurs when OPCGroup that has inactive OPCItem is deleted.(Correspond Version 3.10 Build1/Build2)
1231071	ALL	Array type tag of VT_I2 / VT_UI2 operate in the simulation mode of tag even if one of the device is set to priority.
1231072	FA-M3	Device range of L and W device is expanded to 8192 from 2048
1231073	ALL	Changed the return value to OPC_E_INVALIDITEMID from OPC_E_UNKNOWNITEMID for IOPCBrowse::GetProperties when item could not be found.
-------	ALL	Updated OPC DA Automation DLL File (2.02.5.20)

Ver3.10 (Build2) - 2005 Feb.

Release No	Target	Contents
1231040	ALL	Improved the IOPCBrowseServerAddressSpace::ChangeBrowsePosition interface when it was specified OPC_BROWSE_TO.
1231047	ALL	Supported BCD->BIN conversion with Array type data.
1231051	ALL	Write process become slow when write failure occurred with multiple device configuration.
1231052	MELSEC	Can not detect timeout on serial communication. (Correspond Version 3.10 Build1)
1231056	MELSEC	Array tag's data type can not change to client requested data type when IOPCAsyncIO Read was executed. (Correspond Version 3.10 Build1)
1231057	ALL	It is changed to return user definition value (0x00048000L) to ppErrors when a communication error occurs at the time of the Read.
1231058	ALL	Device icon left connecting even if communication is finished after it changes to standing by when the communication configured redundant setting.
1231059	ALL	An application error sometimes occurrs when log display paused and sorted the label.
1231060	MELSEC	It sometimes fails in the copy of OpcRcw.Da.dll at the time of the installation.
1231062	ALL	The date of the message in the log pane proceeds a day.
-------	ALL	Updated OPC Core Components 2.00 Files(2.00.2.20)
-------	ALL	Updated OPC DA Automation DLL Files(2.02.5.12)
-------	ALL	Passed OPC Compliance Test 2.00.7.1120(DA2.05A 2.00.8/DA3.0 1.00.3)
-------	ALL	Updated VB.NET Sample client (DotNetRcwSample)

Ver3.10 (Build1) - 2004 Oct.

Release No	Target	Contents
1231014	ALL	System information tag isn't added at the time of the device import
1231001	ALL	Supported new tag type that is always uses in the simulation mode
1231000	ALL	Supported OPCDA3.0 optional interface IOPCItemSamplingMgt
1231002	ALL	Supported Multi Access Mode (Supported independent operation of ports and groups)
1231003	ALL	The request queue for writing is canceled when write error occurred
1231004	ALL	Send error occurs when baud rate is low on serial communication
1231006	ALL	The maximum number of asynchronous requests modified 100 to 1000
1231008	ALL	The port name during the communication is stored in the tag name "$Portname"
1231020	ALL	Improved the ItemIO::WriteVQT interface function when communication error occurred
1231022	ALL	Improved to hangs up in Ethernet port setting when the adaptor doesn't exist Ethernet
1231017	ALL	The default type of the CPU is changed to QCPU
1231016	MELSEC	EZSocket(include CPU Port and MELDAS)/GX Simulator communication are supported
1231007	MELSEC	Supported intelligent unit buffer memory access
1231010	MELSEC	The file register ZR is supported
1231011	MELSEC	Improved that it becomes an error of accessing block 0 of the file register when the interface board is used
1231009	SYSMAC	Supported Timer and Counter(current value and contact)

Ver3.00 (Build3) - 2004 Jun.

Release No	Target	Contents
1230118	ALL	OPC Server gave no response when it was edited or monitored after the new tag was imported
1230119	MELSEC	Could not communicate with MELSEC(AnN/AnA/AnU/FX) by serial communication when station No or PC No was set more than 10

Ver3.00 (Build2) - 2004 Jun.

Release No	Target	Contents
1230111	ALL	Startup Tag file setting of Start Up(Tools menu -> Option) is not kept

Ver3.00 (Build1) - 2004 Feb. - Apr.

Release No	Target	Contents
1230000	ALL	Compatible with OPCDA3.0
------	ALL	Renewal GUI (menu, toolbar, dialog or something)
------	ALL	Monitor the status accessing from OPC Client
------	ALL	Added the default simulation pattern
------	ALL	Modified the tag registered operation
------	ALL	Display the detail information and sort function of logged data is added
------	ALL	Auto save function for logged information is added
------	ALL	Supply the .NET Framework sample

Ver2.42 (Build7) - 2004 Feb.

Release No	Target	Contents
1224258	ALL	Fixed the tag registered automatically doesn't monitor the value
1224260	ALL	Change the auto naming rule on automatically added
1224263	ALL	Modified the action on poke error happened
1224266	ALL	Modified to poke process when mixed word devices and double word devices
------	ALL	Update OPC common files
1224259	MELSEC	Fixed to register the invalid address for the tag under 32767 when auto-registration with 'ZR'
1224267	MELSEC	Fixed to be not able to input network number in device dialog with interface board
1224262	FA-M3	Fixed to be not able to change COM port number

Ver2.42 (Build6) - 2003 Jul.

Release No	Target	Contents
1224234	ALL	Fixed to return invalid value for reading after poking to scale convert tag or BCD convert tag.
1224246	ALL	Fixed to sometime occur memory leak when execute AsyncRead to string or array tags
1224250	ALL	Modified IOPCItemProperties::LookupItemIDs interface action
1224254	ALL	Modified Async2::Refresh2 interface action
1224253	ALL	Modified to call IOPCDataCallback::OnCancelComplete after Async2::Cancel2
1224252	ALL	Modified IOPCItemProperties::GetItemProperties interface action
1224239	FA-M3/ TOYOPUC	Fixed to occur error by Read/Write operation just after Additem
1224236	SYSMAC	Fixed that the change of read span is not reflect on device dialog
1224237	SYSMAC	Modified to be suited poke action on continuous access range

Ver2.42 (Build5) - 2003 May.

Release No	Target	Contents
1224232	ALL	Fixed to return error even when be successful with poking into array tag. (Bug of Ver2.42 Build4)
1224233	ALL	Modified to generate the data-change event on completing poke action

Ver2.42 (Build4) - 2003 Apr.

Release No	Target	Contents
1224226	ALL	Fixed to be stopped automatic re-connection on TCP/IP Full-Passive communication
1224228	ALL	Fixed to be not able to change the name of OPC Group Name on active from OPC Client

Ver2.42 (Build3) - 2003 Mar.

Release No	Target	Contents
1224223	ALL	Fixed to be not able to connect again after happening communication error on Ethernet. (Bug of Ver2.42 Build1 / Build2)

Ver2.42 (Build2) - 2003 Feb.

Release No	Target	Contents
1224222	ALL	Fixed to be not able to poke to Array tags. (Bug of Ver2.42 Build1)
1224224	MELSEC	Modified SPIN button keeps disable

V2.42 Build1 - 2003年1月

Release No	Target	Contents
1224200	ALL	Certificated compliance test - OPCDA 2.05A
1224203	ALL	Expanded max of port from 64 to 128
1224204	ALL	Modified to be able to select whether attached '$' mark with system tags
1224205	ALL	Changed rule of tag name generation
1224206	ALL	Added 'Simulate' in system tag
1224207	ALL	Change menu resource
1224208	ALL	Modified to idle time when Ethernet open error occurred
1224210	ALL	Fixed to be not able to back when select Square Root in scaling
1224211	ALL	Fixed to be not able to load normally if comments include ','
1224212	ALL	Fixed to be shown the value '??' on monitor when array tag imported
1224213	ALL	Fixed scaling configuration is not available while communicating
1224214	ALL	Fixed bandwidth value is invalid
1224215	ALL	Fixed to re-bind when open error occurred
1224218	MELSEC	Fixed to be written '-1' if serial communication with AnN/FX CPU
1224216	FAM3 /SYSMAC	Fixed to be not shown ':U' on unsigned short tag
1224217	SYSMAC	Fixed to be not shown ':R' on real tag
1224209	SYSMAC	Modified bank range '0 - 28'
1224219	SYSMAC	Modified EDIT button is disable with FINS port
------	SYSMAC	Fixed available spin button in tag dialog
1224220	ALL	Modified to be not as error while FINS communicating when sub code returned except '0' from FinsGateway

Ver2.41 (Build1) - 2002 Jul. - Oct

Release No	Target	Contents
------	ALL	Fixed bandwidth will be invalid value
------	ALL	Fixed to be happened memory leak when read/write operation with deactivate OPC group
------	ALL	Windows XP compatible
------	ALL	Run as windows service program
------	ALL	Duplex communication port
------	ALL	System information tag
------	ALL	Poking from OPC Server window
------	ALL	Auto Creating message files
------	ALL	Fixed to leak memory on AsyncPoke() with string type
------	ALL	Modified to be not able to access tag after poking abnormal value with variant type from VB
------	ALL	Modified to be not able to get OPCItem properties of scale convert
------	FAM3	Supported Ethernet unit LE11-0T
------	SYSMAC	Supported native communication of serial and Ethernet. (Not use FINS Gateway)
------	MELSEC	On Ethernet communication, CPU monitoring timer was changed to 10 sec from 2 sec
------	MELSEC	Fixed to be able to access scale property for not configured tags

V2.30 (Build6:MELSEC/Build4:FAM3,SYSMAC/Build10:TOYOPUC) - - 2002 Aug

Release No	Target	Contents
------	ALL	Modified to return exception with invalid server handle on SyncRead
------	SYSMAC	Bank number of expanded EM to maximum 12
------	SYSMAC	Fixed header title is out of position on device export

Ver2.30 (Build5) - 2002 May.

Release No	Target	Contents
------	MELSEC	Fixed to be fail on batch poke to bit device with MELSEC interface boards
------	MELSEC	Scale conversion will be fail for negative value

V2.30 (Build4:MELSEC/Build3:FAM3,SYSMAC/Build9:TOYOPUC) - 2002年2月

Release No	Target	Contents
------	ALL	Application error will be happened on Port dialog (Ethernet)
------	ALL	Change to return normally when execute Read/Write operation while connecting Ethernet without OPC_QUALITY_COMM_FAILURE.
------	ALL	Fixed header title is out of position on device export.

Ver2.30 (Build3) - 2001 Dec.

Release No	Target	Contents
------	MELSEC	Fixed to be happened application error when timeout error occurred on connecting MELSEC-Q/QnA Ethernet.
------	MELSEC	Fix to register special relay 'SM' and special register 'SD'

Ver2.30 (Build2) - 2001 Aug.

Release No	Target	Contents
------	ALL	Supported with unsigned integer (VT_UI2 / VT_UI4)
------	ALL	Supported with array type, VT_ARRAY : VT_BOOL / VT_I2 / VT_UI2 / VT_I4 / VT_UI4 / VT_R4
------	ALL	Fixed to be poked the previous value of conversion to scaled tag
------	ALL	IP address will be changed to invalid value when jump from device configuration dialog
------	MELSEC	Supported MELSEC multi CPU system
------	MELSEC	Supported CONTEC PC unit (PPC-CPU)
------	MELSEC	Supported user setting on batch poke points
------	MELSEC /FAM3	Supported to access bit device as real type tag
------	SYSMAC	Supported to access 'D' as 'DM'
------	SYSMAC	Modified to swap upper byte and lower byte of string tag

Ver2.24 (Build1) - 2001 Jan.

Release No	Target	Contents
------	ALL	Change Device dialog
------	ALL	Added button to configuration the communication port on device dialog
------	ALL	Modified to get BCD configuration on imported tag
------	ALL	Certificated compliance test - OPCDA 1.0
------	ALL	Modified OPCDAAuto.dll (Update 'OPCDAAuto.dll' because can't configure the Updaterate on Windows 2000)
------	FAM3	When using Binary communication on Ethernet, the poke operation to DWORD/REAL will be failed

Ver2.23 (Build1) - 2000.Oct.

Release No	Target	Contents
------	ALL	Fixed the retry function is executed an extra time
------	ALL	Fixed to read the data abnormal when some device in some groups is registered for one group. (ex : Group1 <<-- UC24.D0 Ether.M0 MENT.W0...)
------	ALL	Fixed the error checking routine of some OPC interface
------	ALL	Fixed to return 'OPC_S_CLAMP' when written data to over size for string tags
------	ALL	Standardize the declaration of static pattern for simulation function to 'dummy'
------	ALL	the string tag for simulation mode is improved to be changed the value
------	ALL	Fixed to be not able to store in task tray when starting with remote client
------	FAM3	Fixed to be not able to access to the device over 32768
------	MELSEC	Standardize the declaration of 'random read' to 'block access'
------	MELSEC	Fixed to not show the log message when accessing to bit type device
------	MELSEC	Fixed to be set irregular string size when registering bit type tag in dialog
------	MELSEC	Improve the random write size to 1024 when using MELSEC Interface board

Ver2.22 (Build1) - 2000 Jan

Release No	Target	Contents
------	SYSMAC	OMRON SYSMAC OPC Server release
------	FAM3	YOKOGAWA FA-M3 OPC Server release
------	MELSEC	Enable to select priority of thread and process
------	MELSEC	Enable to access to other groups within executing much SyncRead operation
------	MELSEC	Progress bar on import/export tag
------	MELSEC	Progress bar on edit tag
------	MELSEC	Open configuration dialog on Double click at Device name
------	MELSEC	Communicate only displayed tags While monitoring on screen
------	MELSEC	Store in task tray on minimize operation
------	MELSEC	A display place of 'D', 'R', 'ER' change to 5
------	MELSEC	Change find algorithm on registered item

Ver2.21 (Build1) - 2000 Feb.

Release No	Target	Contents
------	MELSEC	Supported random read operation
------	MELSEC	Supported CPU port and LLT with MX-Links (SWnD5C-CSKP)
------	MELSEC	Supported CC-Link Master Board (A80BD-J61BT11)
------	MELSEC	Fixed disappear tips on task tray

Ver2.20 (Build3) - 1999 Dec.

Release No	Target	Contents
------	MELSEC	Fixed percentage of CPU is to 100 if OPCItem is continuously valid and invalid

Ver2.20 (Build2) - 1999 Nov.

Release No	Target	Contents
------	MELSEC	Fixed not release memory of string tag accessing

Ver2.20 (Build1) - 1999 Aug.

------	MELSEC	Supported MELSEC-Qn Series
------	MELSEC	Supported Bit position read in word device
------	MELSEC	Supported String and BCD type
------	MELSEC	Enabled to select configuration file on startup
------	MELSEC	Enabled to select data type on tag edit
------	MELSEC	Communication port dialog
------	MELSEC	Enabled to select group level on import/export tag
------	MELSEC	Support import/export function

Ver2.10 (Build2) - 1999 Aug.

Release No	Target	Contents
Release No	Target	Contents
------	MELSEC	Fixed normally start without Administrator of WinNT

Ver2.10 (Build1) - 1999 Jul.

Release No	Target	Contents
------	MELSEC	Supported MELSEC Interface Board for personal computer
------	MELSEC	Supported multiple LAN adapter
------	MELSEC	Supported any COM port without limited
------	MELSEC	Supported import/export function of tag
------	MELSEC	Supported dump of communication log
------	MELSEC	Supported dump of OPC interface access log
------	MELSEC	Supported export log to text file
------	MELSEC	Supported store to task tray
------	MELSEC	Supported word access of bit device
------	MELSEC	Supported user configuration of retry times on timeout
------	MELSEC	Supported user configuration of packet size on batch reading
------	MELSEC	The 'Type' in Tag View is changed from the Device name to the Data type
------	MELSEC	Supported auto shutdown function
------	MELSEC	Fixed stop bit is not available on serial communication

Ver2.00 (Build1) - 1999 Feb.

Release No	Target	Contents
------	MELSEC	Supported OPCDA2.0
------	MELSEC	Deleted WORD SWAP selection
------	MELSEC	Supported auto addition of item
------	MELSEC	Enable to force shout down while client is connecting
------	MELSEC	Supported continuous tag entry
------	MELSEC	Supported Expand File Register
------	MELSEC	Fixed application error on item removing

*1 This means OPC Client Communication Function of " DXP OPC Client OPCServer(DXPOPC) ."
This doesn't mean OPC Client application which is connecting with DXP2007.