Configuring the time or value axis (X-axis)

The X-axis to be used can be used in two different configurations.

Time axis	Representation of the trend curves over the configured time range
X axis	Representation of the values over a process or a derived process variable ?(Local curves, operating points etc.)

With the configuring of the Time axis the time range, the batches and the axis representation can be defined. The time range is configured as shown in the chapter Configuring the time filter. The batches are filtered as described in the chapter Configuring the batch filter.

After definition of the time the axis representation is to be configured.

Configurable options are:

`OK, Cancel, Help`	System functions
Origin	Position of the X-axis in the diagram (0=bottom, 100=top)
2. period at the same time	Two time ranges are represented simultaneously per archive variable (e.g. week comparison) (CAUTION: Only for archive trends with the option "with filter dialog"). On opening, two schedulers are opened. The second period is represented on the opposite label side of the time axis in the grid line colour.
Axis subdivision	Definition of the axis subdivision
- Main subdivision	Number of main subdivisions with value indication
- Lower subdivision	Number of subdivisions between two main subdivisions
- Tick length	Length of the main subdivision lines (pixel)
Grid lines	Representation of help lines on the main subdivisions
Realtime display	Representation of the time in online operation; If the option is set then the axis is provided with the existing time marks. If the option is not set then the opening time is time 00:00 and it is labelled relatively in the past -01:00
Legend	Position of the axis labelling
	- above
	- below
Color	Definition of the axis colour
With filter dialog	On opening the diagram in online operation the configured scheduler for the selection of the time range is opened.

If the representation is not done over time but over another process or derived process variable then other configurations are necessary. With the marking of the "Above value" option the labelling of the configuration button ("X-axis") changes. On pressing the button the configuration mask for the X process variable is opened.