Symbolic I/O field

9.2.5.1 Description Purpose

In a symbolic I/O field select a predefined entry from a selection list. The entry represents the value of a tag. This can be an internal tag or a tag with a connection to a PLC.

The symbolic I/O field can also be used to merely output an entry depending on the value of a tag. In this case, the symbolic I/O field can no longer be operated.

The display options of the symbolic I/O fields depend on the WinCC flexible edition.

Layout

If the symbolic I/O field contains a blank text line in the drop-down list, you have not defined a relevant entry in the project.

9.2.5.2 Touch control Procedure

Touch the symbolic I/O field on the touch screen of the HMI device. The predefined entries are displayed in the selection list.

If the selection list has a scroll bar: Touch the scroll bar on the touch screen of the HMI device. Touch the touch screen continuously to move the scroll bar in the desired direction. Select the desired entry and apply the associated tag value by touching the entry on the touch screen. The selection list is closed and the entry is displayed. The symbolic I/O field continues to have the focus.

9.2.5.3 Keyboard control Procedure

To operate a symbolic I/O field with a keyboard:

Step Procedure 1 Select the symbolic I/O field

e.g. The symbolic I/O field is marked. 2 Opens the selection list

ENTER The drop-down list opens.

3 Select the entry Moves the cursor by lines.

Accept the selection

Or ENTER

The selected entry is now valid. The drop-down list is closed. 4

Cancel the selection _ESC The function restores the original value. The drop-down list is closed.

9.2.5.4 Mouse and keyboard control Procedure

Mouse

Click on the symbolic I/O field with the mouse pointer. The predefined entries are displayed in the selection list.

If the selection list has a scroll bar: Click on the scroll bar with the mouse pointer. Move the scroll bar in the desired direction while holding down the mouse button.

Select the entry, then apply the corresponding tag value by clicking the entry. The selection list is closed and the entry is displayed. The symbolic I/O field continues to have the focus.

Keyboard

Activate the symbolic I/O field by pressing the <Tab> key one or more times, corresponding to the configured tab order. The contents of the symbolic I/O field change color to show that it is now activated.

You can control the symbolic I/O field with the following keys:

Key Function <Enter> Opens the selection list

Key Function <Down> or <Right> Selects the next entry <Up> or <Left> Selects the previous entry

<Esc> or <Tab> Discards the entry and displays the original value in the form of the corresponding graphic.

9.2.6 Alarm indicator

9.2.6.1 Description Purpose

The alarm indicator is a configurable graphic icon that is displayed on the screen as long as at least one alarm belonging to the specified alarm classes is pending on the HMI device.

Behavior

The alarm indicator flashes as long as unacknowledged alarms are pending. The displayed number indicates the number of pending alarms.

Note

The icons from the symbol library can only be operated with a mouse or touch screen.

9.2.6.2 Touch control Procedure

Touch the alarm indicator. An alarm window opens depending on the configuration.

Use the Close icon to close the Alarm window and be able to operate the screens. The alarm window can be opened again by touching the alarm indicator.

9.2.6.3 Mouse control Procedure

Click on the alarm indicator with the mouse pointer. An alarm window opens depending on the configuration.

Use the Close icon to close the Alarm window and be able to operate the screens. The alarm window can be opened again by clicking on the alarm indicator.

9.2.7 Alarm view

9.2.7.1 Description Purpose

The Alarm view shows alarms or alarm events selected by the planner from the alarm buffer or, if supported by the HMI device, from the alarm log.

Layout

To be able to distinguish between different alarms classes, they are identified in the first column of the Alarm view:

Icon Alarm class

! Error (empty) Operation (depending on configuration) Custom alarm classes

$ System

Operator controls

The buttons have the following functions:

Button Function

Use this button to call the configured operator note for the selected alarm. This button triggers the function assigned to the "Edit" event for the selected alarm.

This button is used to acknowledge an unacknowledged alarm.

9.2.7.2 Touch control Procedure

Touch the desired operating element in the Alarm view on the touch screen of the HMI device.

Changing column sequence and sorting sequence

In Runtime you can configure the column order and the sorting order of each column. • Change column sequence

To reverse the "Time" and "Date" columns, for example, touch the "Date" header on the HMI device touchscreen. Continue to press the touchscreen and drag the column heading to the "Time" heading.

• Change sorting order

To change the chronological order of the alarms, touch the column heading, "Time" or "Date" on the HMI device's touchscreen.

9.2.7.3 Keyboard control Procedure

There is also a tab order in the alarm view for the list showing displayed alarms and all configured buttons.

Proceed as follows to acknowledge an alarm using the keys. 1. Activate the alarm view using TAB _{, according to the tab order.}

2. Select the alarm to be acknowledged. The HOME, END , and keys can be used

3. Press and hold the TAB _{key until the button to be acknowledged is selected.}

4. Press the ENTER _key.

9.2.7.4 Mouse and keyboard control Procedure

Mouse

Click on the desired control object or list entry.

Changing column sequence and sorting sequence

In Runtime you can configure the column order and the sorting order of each column. • Change column sequence

For example, to reverse the "Time" and "Date" columns, drag the "Date" header to the "Time" header with the mouse.

• Change sorting order

To change the chronological sorting order of the alarms, click on the header of one of the two "Time" or "Date" columns.

Keyboard

There is also a tab sequence also for the list with displayed alarms and all configured buttons within the alarm display.

For example, do the following to acknowledge an alarm using the keyboard.

1. Activate the screen display, for example with <Tab> according to the tab sequence. 2. Select the alarm to be acknowledged. You can use the keys <Home>, <End>, <Page

Up>, <Page Down>, <Up> and <Down> for this.

3. Hold the <Tab> key pressed until the button to be acknowledged is selected. 4. Press the <Return> button.