Omron Sysmac WS02-CXPC1-EV3, Operation Manual

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PART 2: CX-Server PLC Tools
OMRON CHAPTER 2 – PLC Memory Component
CX-Server PLC Tools_ Page 9
PC to PLC Communications
The PLC Memory component permits the transfer of data to and from the PLC and allows comparisons to be
made between data stored on the computer and the PLC. Use the following procedure to retrieve data from the
PLC.
1, 2, 3… 1. Ensure the PLC is online before activating the PLC Memory component.
2. Open a data area by double-clicking a data area from the Data Area Workspace in the
Memory tab.
3. Select the Transfer from PLC button from the toolbar to read information from the PLC.
4. The Transfer from PLC dialogue is displayed. Transfer can be performed on the
memory areas that have been opened in the PLC Memory component. Select the
associated setting to monitor that area.
5. Select the Visible Area Only option to transfer the area visible to the window, the
Selection option to transfer the area highlighted by the cursor or the All option to transfer
all of the selected memory area from the PLC. Alternatively, use the Select All
pushbutton to transfer all opened memory areas from the PLC.
6. Select the Upload pushbutton to accept the settings or the Cancel pushbutton to abort the
operation.
Note:
By clicking an associated data area’s settings in its greyed state, the PLC Memory
component automatically identifies the data area words to be monitored.
Use the following procedure to write data back to the PLC.
1, 2, 3… 1. Ensure the PLC is online before activating the PLC Memory component.
2. Open a data area by double-clicking a data area from the Data Area Workspace in the
Memory tab.
3. Select the Transfer to PLC button from the toolbar to transfer information to the PLC.
4. The Transfer to PLC dialogue is displayed. Transfer can be performed on the memory
areas that have been opened in the PLC Memory component. Select the associated
setting to monitor that area.
5. Select the Visible Area Only option to transfer the area visible to the window, the
Selection option to transfer the area highlighted by the cursor or the All option to transfer
all of the selected memory area to the PLC. Alternatively, use the Select All pushbutton
to transfer all opened memory areas to the PLC.
6. Select the Download pushbutton to accept the settings or the Cancel pushbutton to abort
the operation.
Note:
By clicking an associated data area’s settings in its greyed state, the PLC Memory
component automatically identifies the data area words to be monitored.
The PLC Memory component allows the values stored on the PLC and the current displayed values to be
compared. Use the following procedure to compare PLC and PC values.
1, 2, 3… 1. Ensure the PLC is online before activating the PLC Memory component.
2. Select the Compare with PLC button from the toolbar to compare information between
the PC and the PLC.
3. The Compare with PLC dialogue is displayed. Comparisons can be performed on the
memory areas that have been opened in the PLC Memory component. Select the
associated setting to compare that area.
4. Select the Visible Area Only option to compare the area visible to the window, the
Selection option to compare the area highlighted by the cursor, or the All option to
compare all of the selected memory area to the PLC. Alternatively, use the Select All
pushbutton to compare all opened memory areas.
5. Select the Compare pushbutton to accept the settings or the Cancel pushbutton to abort
the operation.