142
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
4 Devices in Detail
4.10 Extension Register [R] and Extension File Register [ER]
4 Writing (transferring) data to the PLC
1. Select [Online] → [Write to PLC...] to open the [Write to PLC] dialog box.
*1. For Ver. 8.18U to 8.24A of GX Developer, the PLC type is FX3UC.
2. Put a check mark next to "MAIN (prepared device memory name)" under "Device memory."
3. Click the "Device data" tab, and add "Ext. file register" to target devices.
By default, "Ext. file register" is not included for reading/writing.
To add it, click the blank space on the left side of "Ext. file register" to change it to "×".
In GX Developer Ver. 8.18U or later, the range of extension file registers to be written can be specified.
*1. For Ver. 8.18U or 8.24A of GX Developer, the PLC type is FX3UC.
4. Click the [Execute] button to write (transfer) to the PLC.
FX3U(C)*1
Click the blank
space to
change it into
"
×
".
FX3U(C)*1
This example shows a window in
an FX3U PLC.
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