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| Once the Screen of GP operated on, the Screen is displayed at a moment, but right after that Screen gets black down. |
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| There is possibility that you might have operated Backlight OFF Bit of the System Data Area and Screen Display ON/OFF Area. |
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Check and Recovery |
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| If GP is connected to PLC, please pull out the communication cable from PLC and switch only GP on and off. If GP displays, please check 3 points with System Data Area. |
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< 1. System data area + 14, 0bit >
(Memory link protocol is address 11, 0 bit.)
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If you turn this bit address ON at the PLC program or using a touch switch, GP's backlight will be turn OFF ( = Black screen) .
Therefore turn this bit address OFF.
(For the models which don't have backlight,e.g.. GP477R or Gp470, this feature of the backlight control doesn't work.)
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<2. System data area +9>
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(Memory link protocol is address 12.) |
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When the value 0 is stored to address +9, the screen is turned ON.(displayed).
When the value FFFF(Hex) is stored to address +9, the screen is
turned OFF (not displayed).
If the value except 0 and FFFF(Hex) is stored, the value means [minute] and when the specified minutes have passed, the screen turns OFF automatically.
Therefore always store the value 0 to address +9.
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<3. System data area start address>
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System data area is registered 20 words from the specified start address automatically.
Therefore when the start address is set, use the excluded addressed from parts/tags or PLC program.
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The addresses which can set at system start address differ depending on each PLC device.
See Device/PLC connection manual to get the details.
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How to set [Starting Address of System Data Area]
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In case that you setup with GP
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Please display [Offline Screen]. Please refer [How to display Offline Screen] |
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Please select [Main Menu] [1. Initial Settings] [Setup Operation Surroundings (1:1 or 1:n)] to open [PLC Setup].
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Please set [Starting Address of System Data Area].
After you finish settings, please return to the Operation Screen with [Operate] from [Main Menu]. |
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In case you set with the Software.
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Please select [GP Setup] on [Project Manager]. |
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[Please set [System Start Address] on the [Mode Settings] tab. |
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Please retransfer with GP System.
Please click [Transfer] icon on [Project Manager] to open [Transfer] window. |
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Please select [Setup] from [Transfer] to open [Transfer Settings]
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Please make sure that you have checked on [GP System Screen] before transfer.
If you do not check it on, the system settings that you have set with the software will not be reflected on GP. |
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