What does 'Required "Programming" connection mode is not available' indicate with Unity Pro?.
Issue
When trying to connect to the CPU along with the above message it states: Do you wish to use "Monitoring" connection mode instead? (PLC is already reserved by entity : xxxxx.)
Product line
Unity Pro, Control Expert
Resolution
This means that either a second programming window is open on this PC and it is already connected to the PLC or someone else is already connected to the PLC remotely.
If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.
If you are not located in North America, please contact your local Customer Care Center for assistance:
Support | Schneider Electric Global (se.com)
When trying to connect to the CPU along with the above message it states: Do you wish to use "Monitoring" connection mode instead? (PLC is already reserved by entity : xxxxx.)
Product line
Unity Pro, Control Expert
Resolution
This means that either a second programming window is open on this PC and it is already connected to the PLC or someone else is already connected to the PLC remotely.
If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.
If you are not located in North America, please contact your local Customer Care Center for assistance:
Support | Schneider Electric Global (se.com)
פורסם עבור: שניידר אלקטריק ישראל


זקוק לעזרה?
בורר מוצרים
חפשו ברשת מפיצים מאומתים עם יותר מ-15,000 נקודות מכירה ברחבי העולם.
קבלת הצעת מחיר
התחילו את בקשת הקניה בצורה מקוונת ונציג מכירות ייצור עמכם קשר.
היכן לקנות?
אתר בקלות את מפיץ Schneider Electric הקרוב ביותר אליך.
מרכז העזרה
חפשו משאבי תמיכה לכל הצרכים שלכם במקום אחד.