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EPSON T/VT Firmware Version 7.5.59.0

Copyright (c) 2017-2026, Seiko Epson Corp. All rights reserved.
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IMPORTANT ANNOUNCMENT
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Ver 7.5.58.0 ->Ver 7.5.59.0 (Jul/17/2026)
1、Fixed a bug in RC+ where, when the profiler setting for the diagnostic function was enabled, the SPEL program's error waiting process would not resolve even after an error occurred.
2、Fixed an issue where the hopper did not stop operating when the emergency stop button was pressed or when the safety door was opened.

Ver 7.5.57.0 ->Ver 7.5.58.0 (Mar/17/2026)
- Added support for VT6-B series.
- Added commands to handle the Key Groove Home Pose.
- Added the following status codes.
30: Error has been canceled by resetting the controller.
31: Emergency stop has been cleared by resetting the controller.
32: Normal task has been paused.
33: Normal task has been continued.
105: SPEL project has been loaded.
- Fixed a problem that Error 4242 happens during stop of two CP motions.
- Fixed a problem where the current Tool/Arm ID did not revert to the values before execution when a user function that called ToolLib/ArmLib commands finished.
- Fixed an issue where a connection error occurred when switching between multiple feeders sharing the same IP address unless the controller was restarted.

Ver.7.5.56.1 -> Ver.7.5.57.0 (Dec/18/2025)
Fixed problem that trajectory planning errors during combined use of OnErr and CP On caused position deviation.

Ver.7.5.55.4 -> Ver.7.5.56.1 (Sep/22/2025)
- Added support for Part feeders IF-A1520 and IF-A2330.
- Fixed a problem of hand weight settings where the maximum allowable weight value was incorrectly judged as out of range.
- Fixed a problem where restarting the controller RC+ failed while OPCUAClient was reading data from a specific node.
- Fixed a problem where using TaskInfo in background tasks could sometimes result in error 2260(Task number is out of the available range.)
- Fixed a problem where, in RemoteEthernet & collaboration mode, connecting to RC+ would result in program mode being activated even when monitor mode was selected.
- Fixed a problem where unsupported properties were displayed in the syntax help for Force Object.
- Fixed the error detection when declaring multiple local variables in one declaration.

Ver.7.5.55.3 -> Ver.7.5.55.4 (Aug/4/2025)
Fixed a problem in RC+7.0 where multiple error popups would appear when performing the following operations:
- Connecting to the controller in monitor mode while running a program that uses a Tool, Local, Arch, or Arm number reserved in the library.
- Restart the controller after executing the EncReset statement.

Ver.7.5.55.2 -> Ver.7.5.55.3 (Jul/17/2025)
- Fixed a problem in which module variables were not initialized when a function was started, even if " Clear globals when function started " was enabled in the Controller preferences.

Ver.7.5.54.104 -> Ver.7.5.55.2 (Jul/7/2025)
- Added support for Library Builder.
- Added support for Diagnostics.
- Added the constant "MB_DEFBUTTON3" to the MsgBox command type to make the third button the default.
- Fixed a problem that a different error would occur during the singularity-avoiding after changing the coordinate system with the Base command.
- Fixed a problem where the return value of the In function for standard I/O 18-23 bits always became 0 in VT6.
- Fixed a problem that prevented the hopper tab from being displayed in the calibration & test screen.
- Fixed a problem where the error message "Unknown Error!!" was displayed when error 3615 occurred.
- Fixed a problem that expected parameters cannot be displayed on RC+ when command [TCLim] used.
- Fixed a problem in which an error would occur and the task would stop if the RC+ was disconnected from a controller that was executing a task.
- Fixed a problem in which Sw(0) was displayed in the setting display when no event condition expression was set for the Till, Sense, or Find command.
- Fixed a problem where the object number of a vision sequence created with the VCreateSequence command was incorrect.
- Fixed a problem that fails happened when you build a RC+6.0 project by RC+8.0 after built by RC+7.0 at once.
- Fixed a problem where the Fieldbus Slave Modbus TCP was not enabled.

Ver.7.5.54.100 -> Ver.7.5.54.104 (Mar/21/2025)
- If installing a version earlier than Ver. 7.5.54.102 on a controller on which this version is installed, be sure to turn off the controller power after the installation is completed (the controller may become unstable in rare cases).
- Fixed a bug in the VT6-DC series with the new board (CPU_DPB_3) where the CtrlInfo(15) command resulted in error 2264, and the issue where the hardware monitor did not retrieve the DC power voltage value.
- Fixed a bug related to timer management of the controller.
- Fixed a bug that caused a 7203 error in rare cases when executing SPEL commands (DEL, RenDir, RmDir, Rename) related to file operations.

Ver.7.5.54.54 -> Ver.7.5.54.100	(Dec/25/2024)
- For PartFeeding option, New hopper (Gen.2) is supported.
- Fixed a bug in remote I/O that caused an error bit stands when Home input is stand during Running.
- Fixed bugs for FSet command: Build success unexpectly when using Reset property with two arguments. Error 2264 (Command argument is out of the available range) occurs when setting FG_RESET_FINE with four arguments.
- Fixed a problem that caused error 7040 (The point label is not correct) when restoring a backup data (which contains Japanese point labels) of before firmware version 7.5.54.23 to a controller with firmware version 7.5.54.50 or later.

Ver.7.5.54.53 -> Ver.7.5.54.54	(Nov/22/2024)
- Fixed a problem that the controller would hang up if a large number of wait conditions are set for the Wait command.

Ver.7.5.54.51 -> Ver.7.5.54.53	(Oct/18/2024)
- Fixed an issue where stopping took a long time under certain conditions.
- Fixed a problem that occurred when using a teach pendant under certain conditions.

Ver.7.5.54.50 -> Ver.7.5.54.51	(Aug/27/2024)
- Fixed the problem that the VT6 series could not be correctly identified.

Ver.7.5.54.23 -> Ver.7.5.54.50	(Aug/1/2024)
Improved the display and input specifications for Simplified Chinese.

Ver.7.5.54.16 -> Ver.7.5.54.23	(Apr/19/2024)
- Improved internal processing.

Ver.7.5.54.14 -> Ver.7.5.54.16	(Nov/15/2023)
- Added support for T3-B401S-FZ.

Ver.7.5.54.11 -> Ver.7.5.54.14	(Aug/2/2023)
- Fixed a problem that fine value reverts to default when Till condition is met.
- Fixed a problem that attitude rotation does not occur when a small angle is input in MOVE motion.
- Fixed the problem that movement area of T3B was wrong.
- Fixed the problem local number cannot be registered even if local setting is performed in point edit mode in TP2.
- Changed the confirmation operation after entering a numerical value to one press of the OK key in TP2.

Ver.7.5.54.9 -> Ver.7.5.54.11	(May/18/2023)
Improved internal processing.

Ver.7.5.54.5 -> Ver.7.5.54.9	(Mar/16/2023)
Fixed the problem that caused the arch trajectory to be disturbed when the safety gate was opened and resumed while the Jump movement was rising.

Ver.7.5.53.1 -> Ver.7.5.54.5	(Feb/27/2023)
- Added OPC UA option to USB license.
- Changed so that an error occurs when Home signal is input when Motor is Off in remote IO.
- Fixed the problem that error 2200 occurs when pausing at the timing of pass motion, opening and closing the safety door, and then continuing execution.
- Fixed the problem that the motor does not turn off even if the enable switch is released while the motor is on in TP's Teach mode.

Ver.7.5.53.0 -> Ver.7.5.53.1	(Sep/8/2022)
- Fixed the problem that error 2200 occurs when pausing at the timing of pass motion, opening and closing the safety door, and then continuing execution.

Ver.7.5.52.7 -> Ver.7.5.53.0	(Aug/2/2022)
- Added area distortion correction function.
- Added OPC UA Nodes to get the values of SPEL+ variables.
- Added a timeout function for ModBus TCP that automatically disconnects connection when the controller does not send and receive data after the port is connected.
- Fixed the problem that the movement angle of J4 is not the minimized by "orientation Flag" No.1 of LJM function.
- Fixed the problem that the movement angle of J6 is not the minimized by "orientation Flag" No.4 of LJM function.
- Fixed the problem that a robot goes to wrong point when the special condition of "Till" has formed.
- Fixed the problem that no stop during the singularity-avoiding when "Till" condition is satisfied.
- Fixed a bug that error 4037 occurred and it could not be continued when it was paused and then restarted during the arch motion of Jump3 and JumpTLZ.
- About OPC UA, Fixed the problem with nodes where NameSpaceIndex of BrowseName and NameSpaceIndex of NodeId do not match.
- About OPC UA, Fixed the problem that SourceTimeStamp does not update.
- Fixed the problem that the error code 4102 was displayed as "Unknown Error".
- Fixed a problem that the robot goes to wrong position after a CP motion to the wrist singularity point in 6-axis robots (including N series).
- Fixed the problem that when the global variable UShort is used in the conditional expression of the Wait command, the condition may not be satisfied and the wait may be infinite.
- Fixed the problem that the result of the operation expression using UInt32 variable is not correct.
- Fixed not to issue Warning 400/401/402 when robot maintenance data is enabled.
- Fixed the probrem that event 0 is recorded in the system history when using Backup Controller Function with the USB memory.
- Fixed the problem that the robot does not stop even if the jog button is released when jogging near a singular point with the 6-axis robot.

Ver.7.5.52.3 -> Ver.7.5.52.7	(Jul/1/2022)
- Fixed the problem that error 4252 occurs in 6-axis robot's CP movement. (Move, Arc3 etc.)

Ver.7.5.52.2 -> Ver.7.5.52.3	(May/10/2022)
- Fixed the problem that caused error when adding VT6-A901SR or VT6-A901SW.

Ver.7.5.52.1 -> Ver.7.5.52.2	(Mar/8/2022)
- Fixed the problem that the movement angle of J4 of J6-axis robot is not the minimized in CP movement (Move , Arc3 etc.). 

Ver.7.5.51.8 -> Ver.7.5.52.1	(Jan/26/2022)
- Added function that always monitors XYLim range check.
   Note
   Even if the target point of the motion command is within range, if motion paths from start point to target point is out of range, an error occur. Also, Pulse motion is checked.
- Added XYLimMode that sets monitor method of XYLim.
- Added XYLimMode function that returns method of XYLim.
- Fixed the problem that the J6 axis turn 360 degrees without error during CP motion.
- Fixed the problem that caused error 2434 when Spanish was specified in the errmsg $ function.
- Fixed the problem that error 2244 / error 2243 occurs when And values such as Int64, UInt64 variables and Integer variables are And.
- Fixed a bug that caused invalid data to be returned when calling a DLL function using a byte array.
- Fixed a bug that caused Error1007 to occur when performing a firmware update in recovery mode.
- In the Dll function call (Declare), the error is displayed when the return value of Declare is a string.
- Fixed a bug where partsFeeder PF_Robot run despite detection part 0.
- Extended remote IO commands 554, 555, 556, 557 have been modified to create point data at the coordinates of the specified pallet number.
- Extended remote IO command 558 PALLET command can be returned to obtain the number of points.
- Extended remote IO command 1203, 1204 have been modified to save coordinates at a new point.
- Fixed a problem for CodeReader. If comma "," is included in text result, the character string after the comma could not be obtained with VGet.
- Fixed a problem that robot moves abnormal path when execute Pause/Cont while combined the Jump3 and next motion using CP On.
- Fixed a problem that robot moves abnormal path if combined the Jump3 and next motion using CP On. This problem occurs if the point flags of the destination point of the Jump3 and the current point after the Jump3 motion are different. 

Ver.7.5.51.7 -> Ver.7.5.51.8	(Dec/15/2021)
- Fixed the issue of the 4103 error.

Ver.7.5.51.5 -> Ver.7.5.51.7	(Nov/25/2021)
- Improved internal processing.

Ver.7.5.51.2 -> Ver.7.5.51.5	(Oct/25/2021)
- OPC UA (OPC UA for Robotics Part1) is newly supported.
- Fixed the problem that stop the robot after the end of the motion command when the stop signal of the remote I/O is input just before starting the motion command. This problem also occurred when stop the SPEL task by "Quit All".

Ver.7.5.51.0 -> Ver.7.5.51.2	(Aug/3/2021)
- T3-B/T6-B series robots are supported.

Ver.7.5.50.6 -> Ver.7.5.51.0	(Jul/1/2021)
- A weight corrected acceleration / deceleration value has been added to the kind of the values that can be obtained by executing "Accels". 
- SFree can be used during both Motor is On/Off.
- Function block for CODESYS is newly supported.
- SPEL_Reset AOI is newly supported.
- Fixed a bug that an error does not occur even if USB is specified with the ChDisk command.
- Fixed a bug that MsgBox command could not be executed from RC + API and command window.
- Fixed the problem that an invalid overload rating can be obtained by "OLRate".
- Fixed the problem that the continuous spline path motion is broken by executing "Curve" and/or "CVMove".
- Fixed a bug that the temperature acquisition value is indefinite for 1 minute after startup.
- Fixed the problem that extended remote IO 1450 (Reset) cannot be executed when an error occurred.
- Fixed the problem that Backup Controller to fail after build a large project.

Ver.7.5.50.4 -> Ver.7.5.50.6	(Jun/1/2021)
- Fixed a problem which could cause incorrect program execution if certain conditions are met
- Fixed a problem that robot takes some additional time to stop its motion if emergency button is pressed.

Ver.7.5.50.3 -> Ver.7.5.50.4	(Feb/26/2021)
- Added note1 for the error code #9616.

Ver.7.5.50.2 -> Ver.7.5.50.3	(Dec/24/2020)
- Updated the PHY IC configuration.

Ver.7.5.50.1 -> Ver.7.5.50.2	(Dec/23/2020)
- Updated the threshold of relay welding false detection

Ver.7.5.50.0 -> Ver.7.5.50.1	(Oct/26/2020)
- Fixed a problem of false detection of relay welding

Ver.7.4.58.3 -> Ver.7.5.50.0	(Sep/7/2020)
- Support CC-Link version 2.0.
- PartFeeding: New feeders (IF-80 and IF-380) is newly supported. The multi-part function and the purge function is added. New commands (PF_AccessFeeder, PF_ReleaseFeeder) is added to support multiple robots.
- PartFeeding: The T/VT limits the maximum number of feeders to  2. This is to prevent error 2556 (excessive loops detected).
- Fixed the problem that the acceleration and deceleration for the Continuous Path robot motion is abnormal in VT6*.
- Fixed a bug that 2053 error remains in the system history when the project is synchronized.
- Fixed a bug that in the virtual controller that no error occurred even if an invalid IP address was specified with the setnet command.

Ver.7.4.58.2 -> Ver.7.4.58.3	(Jun/10/2020)
- Fixed the problem that controller does not preserve backup variables when it reboots.

Ver.7.4.57.4 -> Ver.7.4.58.2	(Apr/23/2020)
- Added support for controller connection password.
- Modified to include information for joint in error 4103.
- Modified the problem when starting jog operation with continuous jog operation during jog operation from TP, if the enable switch is released at the same time as pressing the jog key, the robot moves for about 3 seconds.
- Modified the problem when the "GlobalPreserves.dat" file created by Backup controller is read by Load button of the variable monitor, the value is not displayed correctly.
- Modified the problem if you use the Trap Error event and execute the Errb function when an error occurs, the robot number where the error occurred cannot be obtained and will be "0".
- Modified the problem when if an error occurred when connecting PartFeeder, the connection could not be established afterwards.
- Modified the problem when caused a 7100 error when a bus number other than 16 was specified with the FbusIO_GetBusStatus, FbusIO_GetDeviceStatus, and FbusIO_SendMsg commands.

Ver.7.4.57.3 -> Ver.7.4.57.4	(Feb/3/2020)
- Support RMS feature.

Ver.7.4.57.2 -> Ver.7.4.57.3	(Jan/10/2020)
- Fixed the problem that robot takes some additional time to stop its motion if emergency button is pressed.
- Fixed the problem that TP2 does not show unsupported command error for slock/sfree on 6 axis robot.

Ver.7.4.57.0 -> Ver.7.4.57.2	(Nov/28/2019)
- Fixed the problem that controller can not connect with multiple feeder.
- Fixed the problem that controller can not connect with TP2 on independent mode.
- Supports VT6L-DC model.
- Fixed the problem that controller could hangup when outreal(32) execution
- Fixed the problem that controller may disconnect if sub task contain certain "for next" instruction.
- Fixed the problem that controller may fail to initialize motor unit if open the safety guard door during initialization.
- Fixed the problem that incorrect parts feeder model setting may cause error.

Ver.7.4.56.2 -> Ver.7.4.57.0	(Oct/24/2019)
- Deleted T3-B/T6-B models.
- Fixed the problem that hitting test button twice makes RC+ uncontrollable on parts feeder control panel.

Ver.7.4.56.1 -> Ver.7.4.56.2	(Oct/8/2019)
- Fixed the problem that TP2 teach function does not work properly in certain circumstances.
- Added VT6L-Z model.

Ver.7.4.56.0 -> Ver.7.4.56.1	(Sep/9/2019)
- Fixed the problem that incorrect Error 4026 might be occurred during operation.

Ver.7.4.55.5 -> Ver.7.4.56.0	(Sep/3/2019)
- Fixed the problem that Error 5042 might be mis-detected at the Estop.
- Fixed the problem that the Jog operation slows extremely when the VT6 series does continuous Jog at the following position.
    - When the angle of the J3 axis of the robot is smaller than that of -30 degree
- Fixed the problem that 4242 errors occur even if the value of SpeedS and AccelS is set small when Move is done by the VT6 series.
- 1198 error occurs when the checkbox of Project is not enabled and the checkbox of Vision hardware configuration is enabled.

1198: Restore failure. The project is invalid. Restore the project together if restoring Vision hardware configuration.
- The algorithm of the Estop was changed.
- The algorithm of continuous Jog operation was changed.
   The VT6 series stops from the working area limit at the position of this side 10mm when Jog operates continuously.
- A continuous Jog speed of the VT6L series was changed from 30mm/sec to 75mm/sec.
- The low power speed error threshold of the VT6L series was changed.
- MU firmware version is updated (73 to 77)
- Part Feeding PF-Lib corresponds to multi-feeder and multi-robot, IF-530.
- [Fixed] The issue which causes MU board boot fail after MU firmware update failure.


Ver.7.4.55.5 -> Ver.7.4.55.52	(Aug/8/2019)

- [Fixed] remote ethernet time-out does not work.
- [Fixed] repeating USB connect/disconnect makes controller does not work eventually.
- Supports latin-america error message.
- Supports Hilscher's field bus module.
- [Fixed] USB license key detach does not affect license issue.
- Fixed the problem that Error 5042 might be mis-detected at the Estop.
- Fixed the problem that the Jog operation slows extremely when the VT6 series does continuous Jog at the following position.
   When the angle of the J3 axis of the robot is smaller than that of -30 degree
- Fixed the problem that 4242 errors occur even if the value of SpeedS and AccelS is set small when Move is done by the VT6 series.
- [Fixed] controller detects 5003 error wrongly.
- Suuports VT6 clean type.

Ver.7.4.53.5 -> Ver.7.4.55.5	(Apr/10/2019)

- [Fixed] Backup function to USB memory does not work correctly.
- [Fixed] Time out parameter is too short (4 sec.) for the command via remote Ethernet.
- Fixed the problem that when the Master stop is executed, the electromagnetic brake of the VT series 
  becomes effective in the speed rotation. 
- the FmtStr$ function are round off supported.


Ver.7.4.51.2 -> Ver.7.4.53.3	(Dec/5/2018)

- When SRAM error is detected, RTC date and time are initialized at the same time as SRAM initialization to 2013/01/01 00: 00: 00.
- Fixed the problem that it takes several seconds to complete Fend execution at the end of task when using CV.
- Added the function that QPDecelS and QPDecelR are regulated by the automatic operation.
- Updated static driver of power control IC in order to fix FSEAL setting error.
- VRT function is supported.


Ver.7.3.53.4 -> Ver.7.4.51.2	(Jul/30/2018)

- Support RS-232 communication via PC' comm port.
- Fixed the problem that become an abnormal time when setting with the DATE and TIME commands.
- Fixed the problem that connection with OMRON PLC (NX1P2) in EtherNet/IP fieldbus slave module.
- Fixed the problem that error 3174 does not occur even if there are duplicate labels in Select or IF statement.


Ver.7.3.53.3 -> Ver.7.3.53.4	(Mar/19/2018)

- Fixed an issue that communication between PC and Controller may disconnected when you build a huge GUI Project's file (.gui).


Ver.7.3.53.0 -> Ver.7.3.53.3	(Feb/23/2018)

- Fixed an issue that the initial setting file was rarely broken.
- Fixed an issue that the specified file is not copied when you back-up the controller to the USB memory.
- Adjusted the collision detect parameters for T6-602S.
- Adjusted the Weight parameters for T6-602S.
- Removed unnecessary processings for memory access.
- Adjusted the start timing of bgmain function.


Ver.7.3.52.27 -> Ver.7.3.53.0	(Dec/25/2017)

* For T6 ES Only!
- Added Vision properties (DictionaryMode, DistCorrectType).
- Added Vision system variables (VISION_DICTMODE_*, VISION_CODETYPE_DATAMATRIX, VISION_IMAGESIZE_3664X2748)
- Added parts consumption management commands (HealthCtrlWarningEnable, HealthRBWarningEnable).
- Fixed an issue that TeachON function may return an incorrect value.
- Fixed an issue that ChDisk statement did not support the parameter RAM.


Ver.7.3.52.25 -> Ver.7.3.52.27	(Nov/24/2017)

- Fixed the issue that error 5058 (collision detection) occurred incorrectly on Motor On in rare cases.
- Fixed the issue that when you jog with TP3 and change the Jog Distance between "Continuous" and "Long" / "Medium" / "Short", TP3 sometimes jogs with last Jog Distance setting.
- Fixed the issue that if you ON/OFF the controller frequently after when you just install a F/W, MUs may be initialized with no F/W and as a result, MUs may not be able to communicate with main CPU. (further updated from Ver. 7.3.52.25)


Ver.7.3.52.9 -> Ver.7.3.52.25	(Nov/07/2017)

- Fixed the issue that the invalid remapping procedure was operated when reading the I/O status.
- Reduced the number of flushing the SD card.
- Fixed the issue that the CP accuracy may decay because the operation cycle of each MUs may misaligned for one cycle.
- Fixed the issue that if you ON/OFF the controller frequently after when you just install a F/W, MUs may be initialized with no F/W and could not communicate with main CPU.


Ver.7.3.52.6 -> Ver.7.3.52.9	(Aug/10/2017)

- Fixed the issue that T3 hangs up with a dialog "Connection Disconnected".
- Fixed the issue that the errors 4018/4024/4026 occur.
- Abolished the use of output logs for console.
- Fixed the issue that the errors 5047/4241 occur rarely when you run TC ON/TC OFF command.
- Fixed the issue that the error 2118 (Initialization Failed) occurs when you installed Ethernet/IP module.


Ver.7.3.52.3 -> Ver.7.3.52.6	(Jul/21/2017)

- Fixed the bug that the Error 9707 (Absolute encoder multi-turn is beyond the maximum range. Reset the encoder.) may occur when you boot the T3.


Ver.7.3.51.20 -> Ver.7.3.52.3	(Jul/06/2017)

- Support the following FieldBus devices.
	- Profinet
	- Ethernet/IP
	- EtherCAT
	- ProfiBus
	- DeviceNet
- Error 2556 will occur when you run empty Do...Loop tasks more than four tasks.
- For the event processing for the previous F/W, T3 created and deleted the required events when the WindowsAPI functions such as WaitForMultipleObjects call, however, we change to create all required numbers of events when the controller starts.
- Fixed the omission of disabling interrupt using Mutex.
- Fixed the issue of TP3 that could not build the project on it.
- Fixed the issue of TP3 that T3 could not restart when TP3 is connected.
- Fixed the issues of TP3 that could not restart when you change the language settings on it or push the reset switch on right side of it.
- Fixed the omission of error detection for encoder initialization error 5003.
- Fixed the issue that sometimes EncReset command did not work correctly.
- Fixed the issue that the resulting value of ATrq command is wrong.
- Refined the algorithm for detecting the motor amps overheat error.
- Fixed the RS485 communication specification to start correctly when the receiver value is always ReadEnable.
- Fixed the issue that TCP server could not connected for twice or more of connection.


Ver.7.3.51.9 -> Ver.7.3.51.20	(Apr/03/2017)

- Malfunction that an error 2243 (variable overflow) occurs when T3 receives negative value by FbusIO_SendMsg command is fixed.
- Malfunction that an error 2118 (initialization error) occurs when you install FieldBus slave board to T3 is fixed.
- Updated an algorithm of parts consumption management.
- Malfunction that T3 will be timed out when you enable parts consumption management and try to get a backup data is fixed.
- Malfunction that you cannot use USB memories for status storage is fixed.
- Improved a stability and communication speed of USB connection.
- Malfunction that you cannot communicate with CV1/CV2 when you connect T3 to PC by using USB is fixed.
- Malfunction that you cannot use UDP communication is fixed.
- Malfunction that you cannot use PLC interface is fixed.
- Malfunction that an error history cannot be displayed on the TP3's monitor is fixed.
- Malfunction that an error 1041 (cannot execute during Emergency Stop status) occurs when you switch TP's key from Test to Teach mode is fixed.
- Malfunction that the Motor On status lamp of robot manager does not turn OFF when you open the safety guard with motor ON status and close it, and then turn the motor OFF. 
- Optimized the error message files.


Ver.7.3.51.9	(Feb/23/2017)

Initial Release

EOF
