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FX2 \STX0700808\ETX6A FX2N \STX0300808\ETX66 FX2_EPROM \STX0800808\ETX6B FXON/FXOX \STX0800808\ETX6B FX1N/FX1X \STX0800808\ETX6B Send this instructions you will receive the relevant password. But,what is instruction for got970? in my analysis it check the pass in the got ,not the computer. write FE write 06 00 01 01 00 00 00 08 read FF 06 00 01 01 00 00 00 08 write FE write 06 00 71 83 00 00 00 FA read FF 06 00 71 83 00 00 00 FA write FE write 06 00 52 01 00 00 00 59 read FF 07 00 52 01 00 00 00 21 7B write FE write 06 00 31 42 00 00 01 7A read FF 19 00 31 42 00 00 00 03 61 80 33 32 00 00 61 00 23 03 00 00 78 00 21 03 00 00 E9 write FE write 17 00 51 00 00 00 00 10 30 00 30 00 30 00 30 00 30 00 30 00 30 17 00 51 00 00 00 00 10 31 00 32 00 33 00 34 00 35 00 36 00 37(12345678) 17 00 51 00 00 00 00 10 41 00 41 00 41 00 41 00 41 00 41 00 41(aaaaaaaa) 17 00 51 00 00 00 02 10 41 00 41 00 41 00 41 00 41 00 41 00 41(AAAAAAAA) 09 00 51 00 00 00 02 02 30 00 8E(0) 17 00 51 00 00 00 02 10 41 00 42 00 43 00 44 00 45 00 46 00 47(ABCDEFGH) 0F 00 51 00 00 00 02 08 41 00 42 00 43 00 44 00 74(ABCD) 0D 00 51 00 00 00 02 06 30 00 31 00 32 00 F9(012) 15 00 51 00 00 00 02 0E 41 00 41 00 41 00 41 00 41 00 41 00 41(AAAAAAA) 13 00 51 00 00 00 02 0C 41 00 41 00 41 00 41 00 41 00 41 00 F8(AAAAAA) 17 00 51 00 00 00 02 10 30 00 31 00 32 00 33 00 41 00 42 00 43(0123ABCD) 17 00 51 00 00 00 02 10 29 00 29 00 29 00 29 00 29 00 29 00 29())))))))) 17 00 51 00 00 00 02 10 30 00 30 00 30 00 30 00 30 00 30 00 30(00000000) 07 00 51 00 00 00 02 00 5A() 17 00 51 00 00 00 02 10 30 00 30 00 30 00 30 00 30 00 30 00 30(00000000) 17 00 51 00 00 00 02 10 41 00 41 00 41 00 41 00 41 00 41 00 41(AAAAAAAA) read FF 06 00 51 00 00 00 41 98 write FE write 06 00 03 01 00 00 00 0A read FF 06 00 03 01 00 00 00 0A

In our country,some one made a program to read the password directly. but I don't know the principle.

thanks but I must to find the password,because I have no the original project files. The machine is secondhand.Now it stop to work. If no way to find the password,I must redraw the HMI program. To understand the PLC programing without any information for me is an impossible mission. I hope someone can help me. Best regards.

Hi everyone I need to recover a password from a got970. I am a chinese,sorry for my english.

Private Sub Timer 1-Timer() Form l. MSComm l. CommPort=1 Form l. MSComm l. Settings="9600,e,7,2" Form l. MSComm l. Port Open=True R$="@ 00RD00000004" RD$=R$+fcs(R$) Form 1. MSComm 1.In Buffer Count=0 Form 1. MSComm 1.Output=RD$+Chr$(13) Do Dummy=Do Everts(1) Loop Until Form 1. MSComm 1. In Buffer Count>=27 Instring$=form1. MSComm 1. Input Label 1(0). caption=MID$(instring$,8,4) Label 1(1). caption=MID$(instring$,12,4) Label 1(2). caption=MID$(instring$,16,4) Label 1(3). caption=MID$(instring$,20,4) From1. MSComm 1. Port Open=Faise End Sub Function fcs(O$) Dim B％，I％，Ⅱ％，FF$ B％=0 Ⅱ％=Len(O$) For I％= I TO Ⅱ％ B％=B％×or Asc(Mid(O$，I％，1)) Next I％ FF$二He×$(B％) 1f Len(FF$)=1 Then FF$="0"+FF$ End If Fcs=FF$+"*" End Function enjoy this