PanelView plus 7 HMI

I am new AB PLC,
Kindly advise how many PLC connect to PanelView plus 7 HMI ?,
I have three different PLC, can i connect this three PLC to HMI (throught Ethernet cable)?

Is the panelview plus 7 standard or performance?
the standard version support only one controller
Here is a document from AB that contains a comparison of features between PanelView 5000, PanelView Plus 7 Performance, PanelView Plus 7 Standard, MobileView, PanelView Plus 6, PanelView Plus 6 Compact and PanelView 800.

http://literature.rockwellautomation.com/idc/groups/literature/documents/sp/2711p-sp011_-en-p.pdf