If upload option is disable in Unity Pro XL, check the below setting path is :
Tools ---> Project Settings----->General ----> PLC Embedded Data------> Upload Information
Check the "Upload Information". If you uncheck the setting, you won't be able to transfer application from the PLC to PC . Also in Unity Pro XL "No Upload Info" is shown as per attachment.
Tools ---> Project Settings----->General ----> PLC Embedded Data------> Upload Information
Check the "Upload Information". If you uncheck the setting, you won't be able to transfer application from the PLC to PC . Also in Unity Pro XL "No Upload Info" is shown as per attachment.