It seems that you don't have enough time to take a look at the earlier
attachment then please tell me which h parameters in movidrive b are
related to po1,po2,po3 and pi1,pi2,pi3
thanks.
Most likely the drive is using one of the application modules available with SEW.
PO1 = Control word 2
bit 0 Inhibit
bit 1 Enable/Rapid Stop
bit 2 Enable Stop
bit 3 Control Hold
bit 4 integrator select
bit 5 parameter select
bit 6 fault reset
bit 7 reserved
bit 8 to bits 15 are linked to DI10 to DI17
PO2,PO3 Could be Target position and Speed SP
PI1 = Could be Status Word 2 or 1
PI2,PI3 could be the Act Posn and Act Speed.
You should be able to check what's those 6 words are related to in the PLC program.
Hope this helps