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PART 2: CX-Server PLC Tools
OMRON
CHAPTER 2 – PLC Memory Component
CX-Server PLC Tools_ Page 11
When an Online transfer to PLC operation is executed, the PLC Memory Component will read the TIM/CNT
mode setting from the PLC. If the TIM/CNT mode is set to BCD, then the command will be actioned only if the
current data type is also BCD. If the data type is not BCD, then a warning message will be displayed, and the
commend will be aborted.
If the TIM/CNT mode is set to Binary, the command will only be actioned if the current data type is Decimal or
Hexadecimal. If the current data is neither Decimal or Hexadecimal, then a warning message will be displayed,
and the command will be aborted.
When an Online Transfer from a PLC, Compare or Monitor operation is executed, the PLC Memory Component
will read the data from the PLC and display it in the currently selected data format. If the data can not be displayed
in the currently selected format, then an error message will be displayed.
Note:
The Timer (TIM) and Counter (CNT) memory areas are only available in the following
PLCs: CS1G-H, CS1H-H, CJ1G-H, CJ1H-H, CJ1M, and CP1H.
Monitoring Data
Use the following procedure to monitor the data in PLC memory:
1, 2, 3…
1. Ensure the PLC is online before activating the PLC Memory component.
2. Select
the
Monitor
button from the toolbar to monitor the PLC.
3. The Monitor dialog is displayed. Monitoring can be performed on the memory areas that
have been opened in the PLC Memory component. Select the associated setting to monitor
that area.
4. Select
the
Visible Area Only
option to monitor the area visible to the window or the
Selection
option to monitor the area highlighted by the cursor.
5. Select
the
Monitor
pushbutton to accept the settings or the
Cancel
pushbutton to abort the
operation.
Once monitoring, all changes to the data area are viewed. By navigating around the data area window, the visible
area of the monitoring set by the
Visible Area Only
option changes to compensate.
Note 1:
In the PLC Memory Window, individual values (cells) can be selected and the
following operations can be performed to change present values during monitoring.
•
For BIN (binary) displays, click the On, Off, ForceOn, ForceOff, ForceCanc,
SetValue button to change the value of a bit.
The value can also be changed by right-clicking and then selecting Force | On, Force
| Off, Force | Cancel, or Set |On, Set | Off, Set | Value from the pop-up menu.
•
For other displays (e.g., decimal, BCD, or HEX), click the
SetValue
button to change
the present value.
The present value can also be changed by right-clicking and then selecting
Set |
Value
from the pop-up menu.
Note 2:
Continuous addresses can be monitored in the PLC Memory window by specifying the
start address to be monitored. Set the start address in the Start Address field shown
below and the display in the window will jump to the specified address for monitoring.
Содержание CX-PROGRAMMER V9
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