Analog signals are resources (embedded configuration data) edited with the Workbench Studio. An analog signal is entered as a list of analog points among a time X-axis.

Signals are typically used for statically designing a set-point signal to be played at Runtime Service using the following functions and blocks:

SigID: Get the identifier of a signal resource (to be passed to other blocks).
SigPlay: Plays a signal.
SigScale: Get a point value from a signal.

A signal is entered in the Workbench Studio as a list of point. Each point refers to a 0-based time value (X axis) and a REAL analog value (Y axis).





example Example


Points

Signal

 

Fixed_Image

Fixed_Image

 

In between two consecutive points, the signal must be understood as an analog ramp. If you need to represent a discontiguous change (vertical segment), specify the same time value (X axis) for two consecutive points. The number of points is not limited.

Analog signals resources

IEC 61131-3 Automation platform > IEC 61131-3 Programming Environment > Resources > Analog signals resources

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