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Latest FAQ
- Previous numeric data or characters remain in a numerical data display or character display part.
- The lamp lights up even though the bit in the lamp device memory is not ON.
- Switches cannot be placed in arbitrary positions.
- Pressing a switch does not activate anything.
- When a screen with an overlap display is switched to another and is switched back, the overlap part disappears.
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FAQ within [ Operation Troubles ]
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The lamp lights up even though the bit in the lamp device memory is not ON.
<Cause> The lamp device memory is used redundantly. <Solution> Check if the same address as the lamp device memory is used in the screen dat... Show Detail
- No：4735
- Displayed Date：2025/12/01 13:51
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Negative values or decimal fractions cannot be entered with a keypad.
[Negative values cannot be entered] <Causes> Wrong operation of the keypad. The display type of entry target is set as "no sign". <Solutions... Show Detail
- No：4739
- Displayed Date：2025/12/01 13:49
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Trend graphs cannot be displayed.
<Causes> No data is stored in the device memory address for each graph number. The number of points to display is not specified in the control device... Show Detail
- No：4741
- Displayed Date：2025/12/01 13:51
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The data displayed in a trend graph is different from the most recent data in the PLC.
<Cause> The trend graph is not redrawn. <Solution> The graph data once displayed is not updated unless the redraw command is specified. To ... Show Detail
- No：4742
- Displayed Date：2025/12/01 13:51
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The screen is not switched according to the command from the PLC (external).
The causes are listed below. <Causes> The screen number to display is not specified in read area "n + 2". The specified screen number is the same as... Show Detail
- No：4731
- Displayed Date：2025/12/01 13:51
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Ladder transfer cannot be performed properly.
The solution varies depending on the connection method between the PC and the V8/TS series. There are three connection methods: USB, Ethernet, serial (V-CP ... Show Detail
- No：4753
- Displayed Date：2025/12/01 13:51
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Characters are not displayed in character display parts as intended.
The action to take varies depending on the symptom. [No text is displayed or a part of text is not displayed] <Causes> Windows fonts are used but ... Show Detail
- No：4737
- Displayed Date：2025/12/01 13:51
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<Cause> When displaying a normal overlap or call-overlap part according to the status of the corresponding bit in read area "n + 1", this is recognize... Show Detail
- No：4732
- Displayed Date：2025/12/01 13:51
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Messages are not displayed in the alarm tracking display.
<Causes> [Start Bit] for sampling control device memory is checked, but the bit is not ON. The reset bit for sampling control device memory is ON. T... Show Detail
- No：4745
- Displayed Date：2025/12/01 13:51
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A screen in multiple languages is created; however, the displayed language does not change.
<Causes> A wrong language number is specified for the switch [Function: Language changeover]. (V8/TS series only) The screen is not refreshed after t... Show Detail
- No：4752
- Displayed Date：2025/12/01 13:51
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