software on CD-ROM: Drive ES PCS 7 APL V8.2 SP3 function block library for integration of drives in the process control system PCS 7 CD-ROM in 5 languages with electronic documentation; Upgrade V8.X > V8.2 SP3; for existing single license Drive ES PCS 7 APL V8.X requires SIMATIC PCS 7 V8.2 can also be used for an upgrade of Drive ES PCS 7 V7.x, V8.x classic > APL version