 Check window registration. |
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Check that the area of the window desired to display is window-registered. |
Check the window setting and the data. |
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<Direct Access Method> |
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In the case of Global Window, please confirm that the system area of the window is selected and the data responding to each use is stored in each PLC address.
In the case of Local Window, check the address of U tag and the address where the data will be stored on the PLC side. |
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<Memory Link Method> |
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In the case of Global Window, check that the HOST sends the data corresponding to each use.
In the case of Local Window, check that the address of U tag matches the content sent from the HOST side. |
Check the number of tags.
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The number of valid tags (including parts) in a screen (including a currently displayed window screen) is up to 128 for GP270/GP370/GPH70, up to 256 for GP70 series, and up to 384 for GP77/GP77R/GP2000 series.
The max settable number is not 384 (256/128) depending on a tag. Please check it with Tag Reference manual. |
Check the window-registered tags and parts. |
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Check the types of the window-registered tags and parts.
On the window, K tag, the setup value display, Trend Graph, and U tag do not properly operate. |
Check W0 File on GP.
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Click Transfer-Option-Screen List-Window and then check if there’s a W0 File.
If not, transfer all screens. |
Check Simulation mode (GP70,77 series only). |
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Confirm that the mode is not Simulation.
Go to Offline mode. Then if SIM-LINK is displayed left below of the screen, it’s Simulation mode.
In transferring data, uncheck [Simulation Feature Setting (M)] of [Transfer Setting (S)] and then transfer data again. |
Check the setting of Multi Link. |
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When Multi Link connection is set, the communication doesn’t start unless you turn on the bit responding to my station number from the PLC side to the address of the communication information set in [Station information setting]. |
Others |
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Check the display pattern via Self Diagnosis of GP. |
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