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Version actuelle datée du 10 octobre 2024 à 11:37

How to invert inputs so an active low signal is correctly processed

Auteur Gareth Green | Dernière modification 10/10/2024 par Gareth Green en cours de rédaction ⧼frevu-button-review-label⧽

How to invert inputs so an active low signal is correctly processed

invert

Problem

The Stuertz infeed table has active low inputs for the axis datum sensors, and for the "Vorlaufwagen" Out sensor

Also

The WEG Inverter "Healthy" signal is active high, yet the software alarm is looking for a low input

Solution

Additional functionality added to front end v 6.4.11.0 and back end v6.6000 to utilise the "inverted flag in the ioDef file.

...This flag has not been utilised in TwinCAT software to this point

Stuertz Infeed

To flag an input "inverted", set the 6th field in the IODef to 1

Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105057.jpg

The signal from the input will then be inverted internally.

To make this identifiable to maintenance staff, the normal Red and Green on the IO screen is darker in colour.

WEG Ovl Inputs

en none 0

Commentaires

Draft

@@ Ligne 6 : / Ligne 6 : @@
 |Tags=invert
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-<translate>= Problem =
+<translate>=Problem=
 The Stuertz infeed table has active low inputs for the axis datum sensors, and for the "Vorlaufwagen" Out sensor
-= Solution =
+Also
+The WEG Inverter "Healthy" signal is active high, yet the software alarm is looking for a low input
+=Solution=
 Additional functionality added to front end v 6.4.11.0 and back end v6.6000 to utilise the "inverted flag in the ioDef file.
 {{Info|...This flag has not been utilised in TwinCAT software to this point}}
+== Stuertz Infeed ==
 To flag an input "inverted", set the 6th field in the IODef to 1{{#annotatedImageLight:Fichier:Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105057.jpg|0=272px|hash=|jsondata=|mediaClass=Image|type=frameless|align=center|src=https://stuga.dokit.app/images/2/23/Technical_Bulletin_-_Inverting_Inputs_Screenshot_2023-01-27_105057.jpg|href=./Fichier:Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105057.jpg|resource=./Fichier:Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105057.jpg|caption=|size=272px}}
@@ Ligne 19 : / Ligne 23 : @@
 The signal from the input will then be inverted internally.
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+To make this identifiable to maintenance staff, the normal Red and Green on the IO screen is darker in colour.{{#annotatedImageLight:Fichier:Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105005.jpg|0=503px|hash=5a97f11239fee5396ba534e154426c9d|jsondata={"version":"2.4.6","objects":[{"type":"image","version":"2.4.6","originX":"left","originY":"top","left":0,"top":0,"width":503,"height":352,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeDashOffset":0,"strokeLineJoin":"miter","strokeMiterLimit":4,"scaleX":1,"scaleY":1,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","paintFirst":"fill","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"crossOrigin":"","cropX":0,"cropY":0,"src":"https://stuga.dokit.app/images/5/5e/Technical_Bulletin_-_Inverting_Inputs_Screenshot_2023-01-27_105005.jpg","filters":[]},{"type":"wfellipse","version":"2.4.6","originX":"center","originY":"center","left":72.04,"top":81.04,"width":134.87,"height":134.87,"fill":"rgba(255,0,0,0)","stroke":"#FF0000","strokeWidth":2,"strokeDashArray":null,"strokeLineCap":"butt","strokeDashOffset":0,"strokeLineJoin":"miter","strokeMiterLimit":4,"scaleX":1,"scaleY":1,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","paintFirst":"fill","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"rx":67.43349404281568,"ry":67.43349404281568}],"height":352,"width":503}|mediaClass=Image|type=frameless|align=center|src=/images/thumb/5/5e/Technical_Bulletin_-_Inverting_Inputs_Screenshot_2023-01-27_105005.jpg/ia-5a97f11239fee5396ba534e154426c9d-px-Technical_Bulletin_-_Inverting_Inputs_Screenshot_2023-01-27_105005.jpg.png|href=./Fichier:Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105005.jpg|resource=./Fichier:Technical Bulletin - Inverting Inputs Screenshot 2023-01-27 105005.jpg|caption=|size=503px}}<br />
+== WEG Ovl Inputs ==
+{{#annotatedImageLight:Fichier:Technical Bulletin - Inverting Inputs WEG.png|0=300px|hash=|jsondata=|mediaClass=Image|type=frameless|align=center|src=https://stuga.dokit.app/images/d/dc/Technical_Bulletin_-_Inverting_Inputs_WEG.png|href=./Fichier:Technical Bulletin - Inverting Inputs WEG.png|resource=./Fichier:Technical Bulletin - Inverting Inputs WEG.png|caption=|size=300px}}</translate>
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