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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 PLC memory address for a part is garbled as "??" or is "blank".
<Causes> When the PLC model setting is changed, it is replaced with device "??". PLC2 - 8 (Temperature Control/PLC2Way with the V7 series) are set as... Show Detail
- No：4754
- Displayed Date：2025/12/01 13:51
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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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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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Vertical lines are drawn in the trend sampling area but disappear.
<Cause> A drawing item (line) is placed in the trend sampling area. Drawing items must not be placed over the area. <Solution> TS/V8 ... Show Detail
- No：4746
- Displayed Date：2025/12/01 13:51
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Pressing the touch switch activates nothing or activates a position that deviates from the switch.
Try performing touch switch testing and adjustment. <Method> Display the touch switch test screen. -V8/TS series Main Menu screen → [Main Menu] ... Show Detail
- No：4728
- Displayed Date：2025/12/01 13:51
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Communication between the temperature controller and the V series is slow (V7 series).
To speed up communications, try the following method. The condition can also be improved as described below. <Baud rate> Increase the communicatio... Show Detail
- No：4727
- Displayed Date：2025/12/01 13:51
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Three methods are available for editing. [Method 1: Select the overlap part] Select the overlap part. The overlap part is enclosed with handles. S... Show Detail
- No：4879
- Displayed Date：2025/12/01 13:49
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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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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 Card Format switch (SRAM format) is not effective when pressed.
<Causes> The set word count for [Memory Card Emulation Area] is too small. There is no memory card mode icon. <Solutions> Select [System ... Show Detail
- No：4749
- Displayed Date：2025/12/01 13:51
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