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X1 Improvement information

Date of Release 2026/4/1

◆HMI Program
No. Item Description Version Date
2640L01 Ethernet
UDP communication		 Fixed the defect: In Ethernet UDP communication with a PLC, if the PLC starts slowly compared to the V10 series unit, a screen change using the read area “N+2” may result in the screen before switching and after switching being displayed repeatedly. 2.300 2026/04/01
2640L02 Transition “SYS(SET_SCRN)” macro command Fixed the defect: The screen may not changeover when no transition (F1+1=FFFF) is specified. 2.300 2026/04/01
2640L03 Recipes Fixed the defect: When a record number or name that does not exist is specified for a global recipe (transfer conditions in recipe settings) or a recipe operator (switch function), the information output device memory “n+1” may not output error information as per the specifications. 2.300 2026/04/01
2640L04 Modbus TCP/IP (Ethernet) EXT Format Fixed the defect: Values of a different address may be read depending on the settings of the screen program. 2.300 2026/04/01
2640L05 Message dialog box Fixed the defect: A message with text up to the 32nd character and then a single-byte space as the 33rd character is not displayed at all on the dialog box. 2.300 2026/04/01
2640L06 S7-1200/1500 Fixed the defect: When using V-SFT-6 (version 6.2.3.0 or later) or Smart Editor (version 1.1.2.0) and a screen program that has imported tags for S7-1200/1500 Optimized Tag (Ethernet ISO TCP) is transferred, an error occurs upon attempts to communicate with the PLC and communication cannot be established. 2.300 2026/04/01

◆Communication Driver
No. Item Description Version Date
2640M01 All drivers Fixed the defect: When [Comm. Error Handling] is set to [Disconnect] and the V10 series unit is used for a long time with the status bar displayed, a reboot may occur. - 2026/04/01
For details on the update procedure,
please refer to the instructions included in the downloaded update module.
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