Data extraction from various PLCs of different Makes at central database (Oracle/SQL)

Hi,
I would like to know what are the multiple options of getting the PLC data from various different PLCs on LAN to my centralised Oracle database.
I have siemens,Mitsubishi,AB,etc PLC in field.All are connected to central datacenter by Wired and wireless network.

KepWare server and OPC Systems Database engine.

Good Luck,

(8{)} .)
(Yosi)

Hello,

PeakHMI might be a good solution.