Hello Derryl,
Thank You for Your answer. You have already proved a lot of times Your indisputable position in the Doosan department here.

Serial number: P250SY0469
Electrical Hardware version: PM25H6BBA03 or PM25HGBBA03 (I am not sure is it 6 or G)
Ladder version:

CNC & PMC Type Name: SB7 & FS21/18/16ITB
PMC Program No. P2SY
Edition no. A8
Program Drawing no. PM25S68BA8,PM25BA8
Date of programing: 2005.02.01
Rom written by: A07->A08
Remarks: 2005.01 Edition
PMC control program Series: 406G Edition: 15
PMC Type Control: SB7 Program: SB7

I wish it helps! Thank you for trying to help!

Regards,
Arek