Drive plc developer studio – Lenze DDS v2.3 User Manual

Page 112

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Drive PLC Developer Studio

Working with projects and objects

6-34

l

DDS EN 2.3

6.3.1.9

Breakpoint on/off

Icon:

Menu:

OnlineWBreakpoint on/off

Keyboard:

<F9>

Use this command to set a breakpoint at the current position in the active window.

Breakpoints can also be set by clicking the line number field.

If the current position is already occupied by a breakpoint, this breakpoint will be removed.

A set breakpoint is identified with a line number/network number field or step with a light blue
background colour.

If a breakpoint is reached during program processing, the program stops and the associated
field is displayed with a red background colour.

Use the following commands to continue the program Online

Start, Online

Single step in

or Online

Single step over.

Breakpoints can also be set and removed with the menu command Online

Breakpoint

dialog.

Warning!

If program processing is stopped as a consequence of a breakpoint, the behaviour defined under
Project

WException handling will take effect for the control.

The positions where a breakpoint can be set depend on the editor:

IL, ST

In the text editors (IL, ST), breakpoints will be set to the line with the cursor if this line is a breakpoint
position (indicated by the dark grey line number field).

Another option to set or remove a breakpoint is to click the line number field.

FBD, LD

In the FBD and LD editors, breakpoints will be set to the currently selected network.

Another option to set or remove a breakpoint is to click the network number field.

SFC

In the SFC editor, the breakpoint will be set to the currently selected step.

To set or remove a breakpoint, double-click while keeping the <Shift> key depressed.

Note!

The setting of breakpoints will affect the operating system’s processing schedule.

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