WinCC Professional V13 SP1 – Simple Sample: Discrete Alarm - Group Acknowledgment

“Simple Samples” are small projects that demonstrate simple features. The target is give a quick overview about the theme and be used as start point for related discussions. Follow there are a short description and the configuration main steps.

Description:

Many applications needs that a group of alarms would be acknowledge with a simple action.

In this sample sample project, to acknowledge alarm 2 will also to acknowledge alarm 3 (and vice-verse) – alarm 1 is not acknowledged by alarm 2 / alarm 3 acknowledgment.

Requirements:

WinCC Professional V13 SP1.

Project with a minimum configuration (stop - See references “WinCC Professional V13 SP1 – Simple Sample: Discrete Alarm” https://support.industry.siemens.com/tf/br/en/posts/135058/).

Principle:

The group acknowledge follow the operation sequence:

1 – An operator acknowledged a related alarm.

2 – The alarm acknowledgment trigger a script.

3 – The script set (and reset) internal tag.

4 – The internal tag acknowledge the alarm group.

Configuration main steps:

• Create a UInt tag (Project Tree … → Show all tags-> <add new>, Name = HMI_Tag_2, Data Type = Uint).

• Create a Script (Project Tree … → Scripts → C Script → Add new C Script – C Script “Cfunction_1” is created).

• Add a parameter in “Cfunction_1” (Properties → General → Parameters → <add new> : Name = “tagname”, Type = “Char*”).

• Configure the script like follow:

#include "GlobalDefinitions.h"

void CFunction_1(char* tagname)

{

SetTagByte(tagname, 1);

SetTagByte(tagname, 0);

}

• Define a alarm group (Project Tree … → HMI Alarm → Group Alarms → <add new> : “Alarm_group_1”)

• Configure the acknowledgment tag for the alarm group (Properties → Tags → Acknowledgment tag = “HMI_Tag_2”).

• Configure all group relevant alarms (Project Tree … → HMI Alarm → Discrete alarm → Properties: General → Alarm Group = “Alarm_group_1” / Events → Acknowledge → <add function> → Cfunction_1; tagname = “HMI_Tag_2”).

Thanks:

Thanks to the Siemens United States Technical Support (in special Mr. David Crockett) for the Help with this TIP.

References:

Manual

WinCC Professional V13.0

https://support.industry.siemens.com/cs/br/pt/view/92323076/en

Online helps system

WinCC Professional V13.0 SP1

https://support.industry.siemens.com/cs/br/pt/view/109096785/en

FAQ

Which VBS information and VBS programming tools are there in WinCC (TIA Portal)?

https://support.industry.siemens.com/cs/br/pt/view/59885894/en

Tips and tricks for creating scripts in WinCC (TIA Portal)

https://support.industry.siemens.com/cs/br/pt/view/57132412/en

How do you acknowledge alarm messages in WinCC Runtime Professional V11 onwards?

https://support.industry.siemens.com/cs/br/pt/view/55622122/en

Project:

Due a size/ format restrictions, the project are first compacted with 7z format (project.z7) and after that attached to a zip archive (data.zip).