Omron CX-Programmer 9, Operation Manual

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PART 3: CX-Server Runtime
CHAPTER 2 – Introduction to CX-Server Projects OMRON
CX-Server Runtime_Page 12 Revision 2.0
Adding a Group
Points are saved within groups in a CX-Server project. When a CX-Server project is initially created it contains
the root level group only. Groups can be created within a CX-Server project in hierarchical order from the root
level. Points are saved within the root group or specified subsidiary groups within the hierarchy, similar to
folders and files within the Microsoft Windows Explorer.
The Add Group dialog adds a new group under the currently selected group.
1, 2, 3… 1. Open the Project Editor, click on the branch of the CX-Server project hierarchy to which
the group is to be added; for instance the Points root branch and add a group.
2. Select the Add Group button from the toolbar. The New Group ‘n’ will be added to the
tree structure in the appropriate position.
Renaming a Group
To rename a group, select the group followed by the Rename button in the toolbar.
Alternatively select Rename from the File menu option. or right click on the group and select
the Rename option.
The new group name has a maximum length of 32 characters and must be unique within the
group that it is being created. It must
not contain any of the following characters: / \ : ; , ? * &
! . “.
The group name
field is case sensitive. For example, if a name is entered in upper case which
already exists in lower case a new group name will be allowed.
Adding a Point
The Add Point dialog allows a new point within the currently open CX-Server project to be created and its name
and address to be entered. Use the following procedure to add a point.
1, 2, 3… 1. Open the Project Editor, click on the Points branch in the tree.
2. Select the Add Point button from the toolbar. The Add Point dialog is displayed.
3. Select the Logical Tab and enter the new name in the Name field; this has a maximum
length of 32 characters, it must be unique, and must not contain any of the following
characters: / \ : ; , ? * & ! “ but can include an existing path to indicate the group to which
it belongs (if it is to be added to a group other than that indicated above the name). A
name is optional, but if supplied must be unique.
4. A comment can only be added to a point if a point name has been supplied. Enter text in
the
Comment field to be associated with the point name. This field is optional and is used
simply for reference purposes.
5. Select the Physical Tab and select the PLC to be associated with the point in the PLC
field. This field is mandatory but can be set to ‘None’ until a correctly configured PLC is
added to the CX-Server project.
6. Enter the data location in the Data Location field identifying the area of memory to
which this address applies; this value is dependent upon the type and configuration of the
PLC and is mandatory if a PLC has been selected. Memory Area and Start Address must
be supplied, for instance, ‘D0’ for a CV-series and CS/CJ/CP-series PLC or ‘DM0’ for a
C-series PLC. Refer to
Appendix B PLC Memory Areas for a complete list of valid PLC
memory areas and ranges.
7. Enter the number of elements indicating the number of address units which start at the
specified data location (i.e. the size of an array of addresses, for instance, ten for ten
channels) in the
Elements field. This field defaults to 1.
8. Select the Internal Data Type in the Internal Data Type field, identifying the format of
the data held at the PLC address (e.g. BCD or binary, WORD or double WORD). This
allows CX-Server to automatically convert the PLC specific format of the data to a
common format which the PC can use.
9. Select the Command Modifier required to access this address in the Command Modifier
field. The modifiers available depend upon the data location chosen. An example of a
modifier is
Forced Set which forces a data location to be held with given data, overriding
the PLC program's usage.